[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 master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [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-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/webern/rs_book on toolchain b03b3a7ec92682be2917540b679478d41c95a30c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+b03b3a7ec92682be2917540b679478d41c95a30c" "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 eyre v0.6.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b4a39fdda528bf5ef10d7d1cb1103bb1611a3ece54d703dd80032b03afb5266 [INFO] running `Command { std: "docker" "start" "-a" "4b4a39fdda528bf5ef10d7d1cb1103bb1611a3ece54d703dd80032b03afb5266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b4a39fdda528bf5ef10d7d1cb1103bb1611a3ece54d703dd80032b03afb5266", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b4a39fdda528bf5ef10d7d1cb1103bb1611a3ece54d703dd80032b03afb5266", kill_on_drop: false }` [INFO] [stdout] 4b4a39fdda528bf5ef10d7d1cb1103bb1611a3ece54d703dd80032b03afb5266 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 79628f437e90c9a77c42ba705a09d8c84b37761d5bdbccfbc4ab488d15822bb5 [INFO] running `Command { std: "docker" "start" "-a" "79628f437e90c9a77c42ba705a09d8c84b37761d5bdbccfbc4ab488d15822bb5", 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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [INFO] [stderr] Compiling anyhow v1.0.75 [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Compiling linux-raw-sys v0.4.10 [INFO] [stderr] Compiling bitflags v2.4.1 [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 utf8parse v0.2.1 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling anstyle-query v1.0.0 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling anstyle v1.0.4 [INFO] [stderr] Compiling portable-atomic v1.5.1 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling anstyle-parse v0.2.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling hashbrown v0.14.2 [INFO] [stderr] Compiling colorchoice v1.0.0 [INFO] [stderr] Compiling clap_lex v0.6.0 [INFO] [stderr] Compiling winnow v0.5.19 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling anstream v0.6.4 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling walkdir v2.4.0 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling ryu v1.0.15 [INFO] [stderr] Compiling indexmap v2.1.0 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Compiling clap_builder v4.4.8 [INFO] [stderr] Compiling itoa v1.0.9 [INFO] [stderr] Compiling eyre v0.6.9 [INFO] [stderr] Compiling glob v0.3.1 [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 quote v1.0.33 [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 aho-corasick v1.1.2 [INFO] [stderr] Compiling net2 v0.2.39 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling console v0.15.7 [INFO] [stderr] Compiling filetime v0.2.22 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling syn v2.0.39 [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] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling chapter-15 v0.1.0 (/opt/rustwide/workdir/chapter-15) [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-13 v0.1.0 (/opt/rustwide/workdir/chapter-13) [INFO] [stderr] Compiling chapter-17 v0.1.0 (/opt/rustwide/workdir/chapter-17) [INFO] [stderr] Compiling tempfile v3.8.1 [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 e_pub_vs_private v0.1.0 (/opt/rustwide/workdir/chapter-7/e_pub_vs_private) [INFO] [stderr] Compiling chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4) [INFO] [stderr] Compiling indicatif v0.17.7 [INFO] [stderr] Compiling chapter-10c-lifetimes v0.1.0 (/opt/rustwide/workdir/chapter-10c-lifetimes) [INFO] [stderr] Compiling chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12) [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: `docsrs`, `feature`, and `test` and 31 more [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 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 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 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 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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chapter-11 v0.1.0 (/opt/rustwide/workdir/chapter-11) [INFO] [stderr] Compiling chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6) [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 chapter-10a v0.1.0 (/opt/rustwide/workdir/chapter-10a-generics) [INFO] [stderr] Compiling b_standard_library v0.1.0 (/opt/rustwide/workdir/chapter-7/b_normal_library) [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 mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling snafu-derive v0.7.5 [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 snafu v0.7.5 [INFO] [stderr] Compiling chapter-9 v0.1.0 (/opt/rustwide/workdir/chapter-9) [INFO] [stderr] Compiling clap v4.4.8 [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-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings) [INFO] [stderr] Compiling rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/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-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/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] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-8/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-16/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-13/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-6/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-10a-generics/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-7/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-15/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.31s [INFO] running `Command { std: "docker" "inspect" "79628f437e90c9a77c42ba705a09d8c84b37761d5bdbccfbc4ab488d15822bb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "79628f437e90c9a77c42ba705a09d8c84b37761d5bdbccfbc4ab488d15822bb5", kill_on_drop: false }` [INFO] [stdout] 79628f437e90c9a77c42ba705a09d8c84b37761d5bdbccfbc4ab488d15822bb5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0123de7eb3331eab429f5e8cc4fb28b5872dc54e5d9f66bbeff1aa6ae618dc6f [INFO] running `Command { std: "docker" "start" "-a" "0123de7eb3331eab429f5e8cc4fb28b5872dc54e5d9f66bbeff1aa6ae618dc6f", 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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 . [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 difflib v0.4.0 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [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 chapter-9 v0.1.0 (/opt/rustwide/workdir/chapter-9) [INFO] [stderr] Compiling c_multiple_crates v0.1.0 (/opt/rustwide/workdir/chapter-7/c_multiple_crates) [INFO] [stderr] Compiling chapter-10b-traits v0.1.0 (/opt/rustwide/workdir/chapter-10b-traits) [INFO] [stderr] Compiling chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12) [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling predicates-tree v1.0.9 [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-14 v0.1.0 (/opt/rustwide/workdir/chapter-14) [INFO] [stderr] Compiling chapter-15 v0.1.0 (/opt/rustwide/workdir/chapter-15) [INFO] [stderr] Compiling chapter-8 v0.1.0 (/opt/rustwide/workdir/chapter-8) [INFO] [stderr] Compiling chapter-18 v0.1.0 (/opt/rustwide/workdir/chapter-18) [INFO] [stderr] Compiling chapter-17 v0.1.0 (/opt/rustwide/workdir/chapter-17) [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-5 v0.1.0 (/opt/rustwide/workdir/chapter-5) [INFO] [stderr] Compiling chapter-10-traits-lib v0.1.0 (/opt/rustwide/workdir/chapter-10-traits-lib) [INFO] [stderr] Compiling chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4) [INFO] [stderr] Compiling e_pub_vs_private v0.1.0 (/opt/rustwide/workdir/chapter-7/e_pub_vs_private) [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-10a v0.1.0 (/opt/rustwide/workdir/chapter-10a-generics) [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: `docsrs`, `feature`, and `test` and 31 more [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 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 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 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 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 for more information about checking conditional configuration [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling a_standard_binary v0.1.0 (/opt/rustwide/workdir/chapter-7/a_normal_binary) [INFO] [stderr] Compiling b_standard_library v0.1.0 (/opt/rustwide/workdir/chapter-7/b_normal_library) [INFO] [stderr] Compiling chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6) [INFO] [stderr] Compiling float-cmp v0.9.0 [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-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] 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-17 v5.6.1 (/opt/rustwide/workdir/chapter-16/rustlings) [INFO] [stderr] Compiling rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings) [INFO] [stderr] Compiling rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-13/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-8/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-7/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-15/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-16/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-10a-generics/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-6/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-7/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-13/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-6/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-10a-generics/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-16/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-8/rustlings/src/exercise.rs:111:20 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> chapter-15/rustlings/src/exercise.rs:110:20 [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result { [INFO] [stdout] | ^^^^^ ---------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 110 | pub fn compile(&self) -> Result, ExerciseOutput> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcPK8rZA/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtoml-ae4feaf57a207e71.rlib,libtoml_edit-9f80bf83d563a482.rlib,libserde_spanned-85e58d0a3eb92b0d.rlib,libindexmap-6a179801d8b7b78e.rlib,libequivalent-fdc46004df91ad08.rlib,libhashbrown-3ccae0582f0820c7.rlib,libwinnow-9afa05f88780dfd0.rlib,libtoml_datetime-5f11ece2132c72f1.rlib,libserde_json-e2e8cfc0a96ba6d6.rlib,libryu-e33a6160528a52dc.rlib,libitoa-fae1464d0bb8aa60.rlib,libindicatif-c4ba4bd12b5ea1a9.rlib,libportable_atomic-10ad1866f3e8b82c.rlib,libnumber_prefix-8479f39d71e80d3e.rlib,libglob-eeb045b280f2e028.rlib,libserde-d57db8540f134ca7.rlib,libregex-66dd23948a273c08.rlib,libregex_automata-ba3add4797249a95.rlib,libaho_corasick-e637373e1e042801.rlib,libmemchr-5ca7148678800e70.rlib,libregex_syntax-03701eaa5490ec0b.rlib,libnotify-0b19de7e682297bb.rlib,libwalkdir-6e24de5acb5124aa.rlib,libsame_file-1ceb7b6153588b15.rlib,libinotify-1224130ca627620b.rlib,libinotify_sys-25fb0b1452d9c032.rlib,libmio_extras-62d7ed7e6ae253f5.rlib,liblazycell-0fc01752428421b1.rlib,libmio-d3d3946d718740ae.rlib,liblog-062448fef1760a61.rlib,libslab-3aac7a0b49faaf4a.rlib,libiovec-9224c680c4b86052.rlib,libnet2-f1bba68412e110c2.rlib,libcfg_if-7e9efee4241be1ca.rlib,libfiletime-9c9242949818e097.rlib,libcfg_if-33ef6c02a07f9fec.rlib,libbitflags-e2b4db6c651223da.rlib,libconsole-00a2a86d24889f17.rlib,liblibc-1016f049a8846868.rlib,libunicode_width-ff8848b4c91bc42d.rlib,liblazy_static-2bb390fee0230a38.rlib,libclap-26d10bfaa3368d07.rlib,libclap_builder-0ba34ec3517652b9.rlib,libstrsim-d620f0ade87b0f1f.rlib,libanstream-b8a4eb57ccf10052.rlib,libanstyle_query-294da531cac097e0.rlib,libcolorchoice-bfe75a9d19074058.rlib,libanstyle_parse-6e0fae2a7a89fec9.rlib,libutf8parse-e98db3169219ea11.rlib,libclap_lex-628d2097fa6ffef1.rlib,libanstyle-668789c6154fae2f.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcPK8rZA/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rustlings-28c1727e55135fcb" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 9 [Killed] [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustlings-chapter-7` (bin "rustlings") due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/tmp/rustcQTxKKn/symbols.o" "<17 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{libtoml-ae4feaf57a207e71.rlib,libtoml_edit-9f80bf83d563a482.rlib,libserde_spanned-85e58d0a3eb92b0d.rlib,libindexmap-6a179801d8b7b78e.rlib,libequivalent-fdc46004df91ad08.rlib,libhashbrown-3ccae0582f0820c7.rlib,libwinnow-9afa05f88780dfd0.rlib,libtoml_datetime-5f11ece2132c72f1.rlib,libserde_json-e2e8cfc0a96ba6d6.rlib,libryu-e33a6160528a52dc.rlib,libitoa-fae1464d0bb8aa60.rlib,libindicatif-c4ba4bd12b5ea1a9.rlib,libportable_atomic-10ad1866f3e8b82c.rlib,libnumber_prefix-8479f39d71e80d3e.rlib,libglob-eeb045b280f2e028.rlib,libserde-d57db8540f134ca7.rlib,libregex-66dd23948a273c08.rlib,libregex_automata-ba3add4797249a95.rlib,libaho_corasick-e637373e1e042801.rlib,libmemchr-5ca7148678800e70.rlib,libregex_syntax-03701eaa5490ec0b.rlib,libnotify-0b19de7e682297bb.rlib,libwalkdir-6e24de5acb5124aa.rlib,libsame_file-1ceb7b6153588b15.rlib,libinotify-1224130ca627620b.rlib,libinotify_sys-25fb0b1452d9c032.rlib,libmio_extras-62d7ed7e6ae253f5.rlib,liblazycell-0fc01752428421b1.rlib,libmio-d3d3946d718740ae.rlib,liblog-062448fef1760a61.rlib,libslab-3aac7a0b49faaf4a.rlib,libiovec-9224c680c4b86052.rlib,libnet2-f1bba68412e110c2.rlib,libcfg_if-7e9efee4241be1ca.rlib,libfiletime-9c9242949818e097.rlib,libcfg_if-33ef6c02a07f9fec.rlib,libbitflags-e2b4db6c651223da.rlib,libconsole-00a2a86d24889f17.rlib,liblibc-1016f049a8846868.rlib,libunicode_width-ff8848b4c91bc42d.rlib,liblazy_static-2bb390fee0230a38.rlib,libclap-26d10bfaa3368d07.rlib,libclap_builder-0ba34ec3517652b9.rlib,libstrsim-d620f0ade87b0f1f.rlib,libanstream-b8a4eb57ccf10052.rlib,libanstyle_query-294da531cac097e0.rlib,libcolorchoice-bfe75a9d19074058.rlib,libanstyle_parse-6e0fae2a7a89fec9.rlib,libutf8parse-e98db3169219ea11.rlib,libclap_lex-628d2097fa6ffef1.rlib,libanstyle-668789c6154fae2f.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,libcfg_if-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/tmp/rustcQTxKKn/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,-znostart-stop-gc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rustlings-906b24d9d56b6d0e" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 9 [Killed] [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rustlings-chapter-13` (bin "rustlings") due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "0123de7eb3331eab429f5e8cc4fb28b5872dc54e5d9f66bbeff1aa6ae618dc6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0123de7eb3331eab429f5e8cc4fb28b5872dc54e5d9f66bbeff1aa6ae618dc6f", kill_on_drop: false }` [INFO] [stdout] 0123de7eb3331eab429f5e8cc4fb28b5872dc54e5d9f66bbeff1aa6ae618dc6f