[INFO] cloning repository https://github.com/webern/rs_book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/webern/rs_book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1d8d67014f7b2bb78519c3a71c142f73e5f22d5
[INFO] testing webern/rs_book against nightly-2025-01-18 for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/webern/rs_book on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/webern/rs_book
[INFO] finished tweaking git repo https://github.com/webern/rs_book
[INFO] tweaked toml for git repo https://github.com/webern/rs_book written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/webern/rs_book already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_spanned v0.6.4
[INFO] [stderr]   Downloaded indicatif v0.17.7
[INFO] [stderr]   Downloaded clap v4.4.8
[INFO] [stderr]   Downloaded predicates v3.0.4
[INFO] [stderr]   Downloaded clap_builder v4.4.8
[INFO] [stderr]   Downloaded assert_cmd v2.0.12
[INFO] [stderr]   Downloaded bstr v1.8.0
[INFO] [stderr]   Downloaded rustix v0.38.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87f36c741c6f132696bd4918186394a8c481fbc4985cb88b084d4ba4cfb0ea90
[INFO] running `Command { std: "docker" "start" "-a" "87f36c741c6f132696bd4918186394a8c481fbc4985cb88b084d4ba4cfb0ea90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87f36c741c6f132696bd4918186394a8c481fbc4985cb88b084d4ba4cfb0ea90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f36c741c6f132696bd4918186394a8c481fbc4985cb88b084d4ba4cfb0ea90", kill_on_drop: false }`
[INFO] [stdout] 87f36c741c6f132696bd4918186394a8c481fbc4985cb88b084d4ba4cfb0ea90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf81615382d8e93a223c549bbf24dd675b5bcdf4f7c91f0708744837c7635218
[INFO] running `Command { std: "docker" "start" "-a" "cf81615382d8e93a223c549bbf24dd675b5bcdf4f7c91f0708744837c7635218", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling fastrand v2.0.1
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling hashbrown v0.14.2
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.2
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling anstream v0.6.4
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling clap_builder v4.4.8
[INFO] [stderr]    Compiling tempfile v3.8.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12)
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling filetime v0.2.22
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling indicatif v0.17.7
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling eyre v0.6.9
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling home v0.5.5
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling c_multiple_crates v0.1.0 (/opt/rustwide/workdir/chapter-7/c_multiple_crates)
[INFO] [stderr]    Compiling d_custom_crate_files v0.1.0 (/opt/rustwide/workdir/chapter-7/d_custom_crate_files)
[INFO] [stderr]    Compiling chapter-10-traits-lib v0.1.0 (/opt/rustwide/workdir/chapter-10-traits-lib)
[INFO] [stderr]    Compiling chapter-10b-traits v0.1.0 (/opt/rustwide/workdir/chapter-10b-traits)
[INFO] [stderr]    Compiling serde_derive v1.0.192
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling chapter-3 v0.1.0 (/opt/rustwide/workdir/chapter-3)
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> chapter-12/src/bin/listing_16.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> chapter-12/src/bin/listing_16.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-11 v0.1.0 (/opt/rustwide/workdir/chapter-11)
[INFO] [stderr]    Compiling chapter-18 v0.1.0 (/opt/rustwide/workdir/chapter-18)
[INFO] [stderr]    Compiling chapter-8 v0.1.0 (/opt/rustwide/workdir/chapter-8)
[INFO] [stdout] warning: value assigned to `setting_value` is never read
[INFO] [stdout]    --> chapter-18/src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             setting_value = new_setting_value;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `x:` in this pattern is redundant
[INFO] [stdout]   --> chapter-18/src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Point { x: x, y: y } => {
[INFO] [stdout]    |                 ^^^^ help: use shorthand field pattern: `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `y:` in this pattern is redundant
[INFO] [stdout]   --> chapter-18/src/main.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Point { x: x, y: y } => {
[INFO] [stdout]    |                       ^^^^ help: use shorthand field pattern: `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-17 v0.1.0 (/opt/rustwide/workdir/chapter-17)
[INFO] [stderr]    Compiling chapter-15 v0.1.0 (/opt/rustwide/workdir/chapter-15)
[INFO] [stderr]    Compiling chapter-13 v0.1.0 (/opt/rustwide/workdir/chapter-13)
[INFO] [stderr]    Compiling chapter-16 v0.1.0 (/opt/rustwide/workdir/chapter-16)
[INFO] [stderr]    Compiling chapter-14 v0.1.0 (/opt/rustwide/workdir/chapter-14)
[INFO] [stderr]    Compiling chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6)
[INFO] [stderr]    Compiling chapter-10c-lifetimes v0.1.0 (/opt/rustwide/workdir/chapter-10c-lifetimes)
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]    --> chapter-10c-lifetimes/src/main.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(does_not_compile)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]    --> chapter-10c-lifetimes/src/main.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[cfg(does_not_compile)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling e_pub_vs_private v0.1.0 (/opt/rustwide/workdir/chapter-7/e_pub_vs_private)
[INFO] [stderr]    Compiling b_standard_library v0.1.0 (/opt/rustwide/workdir/chapter-7/b_normal_library)
[INFO] [stderr]    Compiling chapter-10a v0.1.0 (/opt/rustwide/workdir/chapter-10a-generics)
[INFO] [stderr]    Compiling chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4)
[INFO] [stderr]    Compiling a_standard_binary v0.1.0 (/opt/rustwide/workdir/chapter-7/a_normal_binary)
[INFO] [stderr]    Compiling chapter-5 v0.1.0 (/opt/rustwide/workdir/chapter-5)
[INFO] [stderr]    Compiling clap v4.4.8
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling snafu v0.7.5
[INFO] [stderr]    Compiling chapter-9 v0.1.0 (/opt/rustwide/workdir/chapter-9)
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling toml v0.7.8
[INFO] [stderr]    Compiling rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "cf81615382d8e93a223c549bbf24dd675b5bcdf4f7c91f0708744837c7635218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf81615382d8e93a223c549bbf24dd675b5bcdf4f7c91f0708744837c7635218", kill_on_drop: false }`
[INFO] [stdout] cf81615382d8e93a223c549bbf24dd675b5bcdf4f7c91f0708744837c7635218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96c2089b2e6d0d7f956031cbd2f57e36b504a33e9fcd6ef88aab73e22080cbdd
[INFO] running `Command { std: "docker" "start" "-a" "96c2089b2e6d0d7f956031cbd2f57e36b504a33e9fcd6ef88aab73e22080cbdd", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling predicates-core v1.0.6
[INFO] [stderr]    Compiling termtree v0.4.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling d_custom_crate_files v0.1.0 (/opt/rustwide/workdir/chapter-7/d_custom_crate_files)
[INFO] [stderr]    Compiling predicates-tree v1.0.9
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling chapter-10b-traits v0.1.0 (/opt/rustwide/workdir/chapter-10b-traits)
[INFO] [stderr]    Compiling c_multiple_crates v0.1.0 (/opt/rustwide/workdir/chapter-7/c_multiple_crates)
[INFO] [stderr]    Compiling chapter-9 v0.1.0 (/opt/rustwide/workdir/chapter-9)
[INFO] [stderr]    Compiling chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12)
[INFO] [stdout] warning: unused variable: `query`
[INFO] [stdout]   --> chapter-12/src/bin/listing_16.rs:54:19
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]   --> chapter-12/src/bin/listing_16.rs:54:32
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stdout]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-3 v0.1.0 (/opt/rustwide/workdir/chapter-3)
[INFO] [stderr]    Compiling chapter-11 v0.1.0 (/opt/rustwide/workdir/chapter-11)
[INFO] [stderr]    Compiling chapter-15 v0.1.0 (/opt/rustwide/workdir/chapter-15)
[INFO] [stderr]    Compiling chapter-13 v0.1.0 (/opt/rustwide/workdir/chapter-13)
[INFO] [stderr]    Compiling chapter-8 v0.1.0 (/opt/rustwide/workdir/chapter-8)
[INFO] [stderr]    Compiling chapter-17 v0.1.0 (/opt/rustwide/workdir/chapter-17)
[INFO] [stderr]    Compiling chapter-16 v0.1.0 (/opt/rustwide/workdir/chapter-16)
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling chapter-14 v0.1.0 (/opt/rustwide/workdir/chapter-14)
[INFO] [stderr]    Compiling chapter-18 v0.1.0 (/opt/rustwide/workdir/chapter-18)
[INFO] [stderr]    Compiling a_standard_binary v0.1.0 (/opt/rustwide/workdir/chapter-7/a_normal_binary)
[INFO] [stdout] warning: value assigned to `setting_value` is never read
[INFO] [stdout]    --> chapter-18/src/main.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |             setting_value = new_setting_value;
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `x:` in this pattern is redundant
[INFO] [stdout]   --> chapter-18/src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Point { x: x, y: y } => {
[INFO] [stdout]    |                 ^^^^ help: use shorthand field pattern: `x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the `y:` in this pattern is redundant
[INFO] [stdout]   --> chapter-18/src/main.rs:62:23
[INFO] [stdout]    |
[INFO] [stdout] 62 |         Point { x: x, y: y } => {
[INFO] [stdout]    |                       ^^^^ help: use shorthand field pattern: `y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-10c-lifetimes v0.1.0 (/opt/rustwide/workdir/chapter-10c-lifetimes)
[INFO] [stderr]    Compiling chapter-10-traits-lib v0.1.0 (/opt/rustwide/workdir/chapter-10-traits-lib)
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:13:7
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling e_pub_vs_private v0.1.0 (/opt/rustwide/workdir/chapter-7/e_pub_vs_private)
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]   --> chapter-10c-lifetimes/src/main.rs:87:7
[INFO] [stdout]    |
[INFO] [stdout] 87 | #[cfg(does_not_compile)]
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]    --> chapter-10c-lifetimes/src/main.rs:134:7
[INFO] [stdout]     |
[INFO] [stdout] 134 | #[cfg(does_not_compile)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stdout]    --> chapter-10c-lifetimes/src/main.rs:148:7
[INFO] [stdout]     |
[INFO] [stdout] 148 | #[cfg(does_not_compile)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4)
[INFO] [stderr]    Compiling chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6)
[INFO] [stderr]    Compiling chapter-10a v0.1.0 (/opt/rustwide/workdir/chapter-10a-generics)
[INFO] [stderr]    Compiling chapter-5 v0.1.0 (/opt/rustwide/workdir/chapter-5)
[INFO] [stderr]    Compiling b_standard_library v0.1.0 (/opt/rustwide/workdir/chapter-7/b_normal_library)
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling bstr v1.8.0
[INFO] [stderr]    Compiling predicates v3.0.4
[INFO] [stderr]    Compiling assert_cmd v2.0.12
[INFO] [stderr]    Compiling rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)
[INFO] [stderr]    Compiling rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 42.11s
[INFO] running `Command { std: "docker" "inspect" "96c2089b2e6d0d7f956031cbd2f57e36b504a33e9fcd6ef88aab73e22080cbdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96c2089b2e6d0d7f956031cbd2f57e36b504a33e9fcd6ef88aab73e22080cbdd", kill_on_drop: false }`
[INFO] [stdout] 96c2089b2e6d0d7f956031cbd2f57e36b504a33e9fcd6ef88aab73e22080cbdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aebfa7a9404164a3bf035fc54975a4f6f473cda46ee41703283fc3f2bcc75453
[INFO] running `Command { std: "docker" "start" "-a" "aebfa7a9404164a3bf035fc54975a4f6f473cda46ee41703283fc3f2bcc75453", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-15 v5.6.1 (/opt/rustwide/workdir/chapter-15/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `rustlings` in package `rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)` has the same output filename as the bin target `rustlings` in package `rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/debug/rustlings.dwp
[INFO] [stderr] The targets should have unique names.
[INFO] [stderr] Consider changing their names to be unique or compiling them separately.
[INFO] [stderr] This may become a hard error in the future; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] warning: unused variable: `query`
[INFO] [stderr]   --> chapter-12/src/bin/listing_16.rs:54:19
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_query`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]   --> chapter-12/src/bin/listing_16.rs:54:32
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub fn search<'a>(query: &str, contents: &'a str) -> Vec<&'a str> {
[INFO] [stderr]    |                                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-12` (bin "listing_16" test) generated 2 warnings
[INFO] [stderr] warning: value assigned to `setting_value` is never read
[INFO] [stderr]    --> chapter-18/src/main.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |             setting_value = new_setting_value;
[INFO] [stderr]     |             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `x:` in this pattern is redundant
[INFO] [stderr]   --> chapter-18/src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Point { x: x, y: y } => {
[INFO] [stderr]    |                 ^^^^ help: use shorthand field pattern: `x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_shorthand_field_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the `y:` in this pattern is redundant
[INFO] [stderr]   --> chapter-18/src/main.rs:62:23
[INFO] [stderr]    |
[INFO] [stderr] 62 |         Point { x: x, y: y } => {
[INFO] [stderr]    |                       ^^^^ help: use shorthand field pattern: `y`
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-18` (bin "chapter-18" test) generated 3 warnings (run `cargo fix --bin "chapter-18" --tests` to apply 2 suggestions)
[INFO] [stderr] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stderr]   --> chapter-10c-lifetimes/src/main.rs:13:7
[INFO] [stderr]    |
[INFO] [stderr] 13 | #[cfg(does_not_compile)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: expected names are: `clippy`, `debug_assertions`, `doc`, `docsrs`, `doctest`, `feature`, `fmt_debug`, `miri`, `overflow_checks`, `panic`, `proc_macro`, `relocation_model`, `rustfmt`, `sanitize`, `sanitizer_cfi_generalize_pointers`, `sanitizer_cfi_normalize_integers`, `target_abi`, `target_arch`, `target_endian`, `target_env`, `target_family`, `target_feature`, `target_has_atomic`, `target_has_atomic_equal_alignment`, `target_has_atomic_load_store`, `target_os`, `target_pointer_width`, `target_thread_local`, `target_vendor`, `test`, `ub_checks`, `unix`, and `windows`
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stderr]   --> chapter-10c-lifetimes/src/main.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[cfg(does_not_compile)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stderr]   --> chapter-10c-lifetimes/src/main.rs:87:7
[INFO] [stderr]    |
[INFO] [stderr] 87 | #[cfg(does_not_compile)]
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider using a Cargo feature instead
[INFO] [stderr]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]             [lints.rust]
[INFO] [stderr]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stderr]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stderr]    --> chapter-10c-lifetimes/src/main.rs:134:7
[INFO] [stderr]     |
[INFO] [stderr] 134 | #[cfg(does_not_compile)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `does_not_compile`
[INFO] [stderr]    --> chapter-10c-lifetimes/src/main.rs:148:7
[INFO] [stderr]     |
[INFO] [stderr] 148 | #[cfg(does_not_compile)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(does_not_compile)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(does_not_compile)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter-10c-lifetimes` (bin "chapter-10c-lifetimes" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/a_standard_binary-e36ab905c1de7477)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/b_standard_library-d62250dbf56beb03)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c_multiple_crates-a7b4af5af1215a9b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/goodbye_world.rs (/opt/rustwide/target/debug/deps/goodbye_world-9092b3de59db48a2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/hello_world.rs (/opt/rustwide/target/debug/deps/hello_world-affc685770f4b0a6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chapter_10_traits_lib-30b6c07e8bef216b)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter_10a-1d6ed1b70eb94971)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter_10b_traits-4367af42de054172)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter_10c_lifetimes-558c70659f9034ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chapter_11-7b8d10d5a6dec434)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test compile_guarded::a_test ... ok
[INFO] [stdout] test output::example ... ok
[INFO] [stdout] test integ_discussion::unit_test ... ok
[INFO] [stdout] test rant_about_loops::trim_test_1_leading_space ... ok
[INFO] [stdout] test rant_about_loops::trim_test_2_trailing_space ... ok
[INFO] [stdout] test rant_about_loops::i_hate_this ... ok
[INFO] [stdout] test rant_about_loops::trim_test_3_leading_and_trailing ... ok
[INFO] [stdout] test isolated::bad_test_2 ... ok
[INFO] [stdout] test isolated::good_test ... ok
[INFO] [stdout] test isolated::bad_test_1 ... ok
[INFO] [stdout] test be_assertive::a_some_assertions ... FAILED
[INFO] [stdout] test everybody_panic::panic_is_ok - should panic ... ok
[INFO] [stdout] test should_panic_tests::unreliable_test - should panic ... ok
[INFO] [stdout] test should_panic_tests::reliable_test - should panic ... FAILED
[INFO] [stdout] test tests_returning_results::returns_a_result ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- be_assertive::a_some_assertions stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'be_assertive::a_some_assertions' panicked at chapter-11/src/lib.rs:216:9:
[INFO] [stdout] assertion `left == right` failed: 'double(3)' should return '6'
[INFO] [stdout]   left: 7
[INFO] [stdout]  right: 6
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558c856703aa - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x558c856703aa - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558c856703aa - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x558c856703aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x558c856985e3 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x558c856985e3 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x558c8566ca83 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x558c856701f2 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x558c856717cf - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x558c856715e8 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x558c8562efb3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x558c8562efb3 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x558c856722c3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x558c856722c3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x558c85671f7a - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:704:13
[INFO] [stdout]   15:     0x558c856708a9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x558c85671c0d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x558c85696ff0 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x558c856973b2 - core::panicking::assert_failed_inner::h538bec7c1374cd9c
[INFO] [stdout]   19:     0x558c8564decc - core::panicking::assert_failed::hd02c0d569d89af5b
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:364:5
[INFO] [stdout]   20:     0x558c855ec05d - chapter_11::be_assertive::a_some_assertions::hd18283f3c12b935b
[INFO] [stdout]                                at /opt/rustwide/workdir/chapter-11/src/lib.rs:216:9
[INFO] [stdout]   21:     0x558c855ebeb7 - chapter_11::be_assertive::a_some_assertions::{{closure}}::he240bbc6fcb3df9e
[INFO] [stdout]                                at /opt/rustwide/workdir/chapter-11/src/lib.rs:206:27
[INFO] [stdout]   22:     0x558c855e85f6 - core::ops::function::FnOnce::call_once::h15913318c6750675
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x558c8563470b - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x558c8563470b - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x558c85633643 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x558c85633643 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x558c85633643 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x558c85633643 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x558c85633643 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x558c85633643 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x558c85633643 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x558c855f6725 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x558c855f6725 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x558c855fa00a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x558c855fa00a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x558c855fa00a - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x558c855fa00a - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x558c855fa00a - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x558c855fa00a - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x558c855fa00a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x558c85676c0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x558c85676c0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x558c85676c0b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x77a6a055dac3 - <unknown>
[INFO] [stdout]   45:     0x77a6a05eea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- should_panic_tests::reliable_test stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'should_panic_tests::reliable_test' panicked at chapter-11/src/lib.rs:225:22:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x558c856703aa - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x558c856703aa - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x558c856703aa - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x558c856703aa - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x558c856985e3 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x558c856985e3 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x558c8566ca83 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x558c856701f2 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x558c856717cf - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x558c856715e8 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x558c8562efb3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x558c8562efb3 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x558c856722c3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x558c856722c3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x558c85671f46 - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:697:13
[INFO] [stdout]   15:     0x558c856708a9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x558c85671c0d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x558c85696ff0 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x558c8569d317 - core::panicking::panic_const::panic_const_sub_overflow::hc936e676af9fcd5b
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:178:21
[INFO] [stdout]   19:     0x558c855eb24d - chapter_11::should_panic_tests::gimme_a_value_greater_than_10::h8eefd6b15b2f9433
[INFO] [stdout]                                at /opt/rustwide/workdir/chapter-11/src/lib.rs:225:22
[INFO] [stdout]   20:     0x558c855ec0e8 - chapter_11::should_panic_tests::reliable_test::hde0733572acb2016
[INFO] [stdout]                                at /opt/rustwide/workdir/chapter-11/src/lib.rs:246:17
[INFO] [stdout]   21:     0x558c855ec0c7 - chapter_11::should_panic_tests::reliable_test::{{closure}}::hf020249634afb39d
[INFO] [stdout]                                at /opt/rustwide/workdir/chapter-11/src/lib.rs:245:23
[INFO] [stdout]   22:     0x558c855e8736 - core::ops::function::FnOnce::call_once::h6118513ab77e89cd
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x558c8563470b - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x558c8563470b - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   25:     0x558c85633643 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   26:     0x558c85633643 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x558c85633643 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   28:     0x558c85633643 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   29:     0x558c85633643 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x558c85633643 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   31:     0x558c85633643 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   32:     0x558c855f6725 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   33:     0x558c855f6725 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   34:     0x558c855fa00a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   35:     0x558c855fa00a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x558c855fa00a - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   37:     0x558c855fa00a - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   38:     0x558c855fa00a - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x558c855fa00a - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   40:     0x558c855fa00a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x558c85676c0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   42:     0x558c85676c0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   43:     0x558c85676c0b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   44:     0x77a6a055dac3 - <unknown>
[INFO] [stdout]   45:     0x77a6a05eea04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] note: panic did not contain expected string
[INFO] [stdout]       panic message: `"attempt to subtract with overflow"`,
[INFO] [stdout]  expected substring: `"too high"`
[INFO] [stdout] ---- tests_returning_results::returns_a_result stdout ----
[INFO] [stdout] Error: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: anyhow::error::<impl core::convert::From<E> for anyhow::Error>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.75/src/backtrace.rs:27:14
[INFO] [stdout]    1: <core::result::Result<T,F> as core::ops::try_trait::FromResidual<core::result::Result<core::convert::Infallible,E>>>::from_residual
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/result.rs:2014:27
[INFO] [stdout]    2: chapter_11::tests_returning_results::returns_a_result
[INFO] [stdout]              at ./src/lib.rs:261:17
[INFO] [stdout]    3: chapter_11::tests_returning_results::returns_a_result::{{closure}}
[INFO] [stdout]              at ./src/lib.rs:260:30
[INFO] [stdout]    4: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    5: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    6: test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]    7: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]    8: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]    9: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   10: std::panicking::try
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   11: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   12: test::run_test_in_process
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   13: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   14: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   15: std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   16: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   17: <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   18: std::panicking::try::do_call
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   19: std::panicking::try
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   20: std::panic::catch_unwind
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   21: std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   22: core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   24: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   25: std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   26: <unknown>
[INFO] [stdout]   27: clone
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     be_assertive::a_some_assertions
[INFO] [stdout]     should_panic_tests::reliable_test
[INFO] [stdout]     tests_returning_results::returns_a_result
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `-p chapter-11 --lib`
[INFO] running `Command { std: "docker" "inspect" "aebfa7a9404164a3bf035fc54975a4f6f473cda46ee41703283fc3f2bcc75453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebfa7a9404164a3bf035fc54975a4f6f473cda46ee41703283fc3f2bcc75453", kill_on_drop: false }`
[INFO] [stdout] aebfa7a9404164a3bf035fc54975a4f6f473cda46ee41703283fc3f2bcc75453
