[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] 143ebf8caed0205c9b60a79b88e0b8b8346eeea8
[INFO] checking webern/rs_book against nightly-2024-02-05 for check-cfg-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwebern%2Frs_book" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/webern/rs_book on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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-1-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-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded snafu v0.7.5
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded snafu-derive v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 019c0a858ab0d9c14c632f99fe37ddc6e33248652409f6934327d5b8c57dab4a
[INFO] running `Command { std: "docker" "start" "-a" "019c0a858ab0d9c14c632f99fe37ddc6e33248652409f6934327d5b8c57dab4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "019c0a858ab0d9c14c632f99fe37ddc6e33248652409f6934327d5b8c57dab4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "019c0a858ab0d9c14c632f99fe37ddc6e33248652409f6934327d5b8c57dab4a", kill_on_drop: false }`
[INFO] [stdout] 019c0a858ab0d9c14c632f99fe37ddc6e33248652409f6934327d5b8c57dab4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13167fa114cf7948552deb4ef0d6e2109cb7535e4a57874876dd0c070a8f1a92
[INFO] running `Command { std: "docker" "start" "-a" "13167fa114cf7948552deb4ef0d6e2109cb7535e4a57874876dd0c070a8f1a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.21
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling serde v1.0.192
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling portable-atomic v1.5.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling eyre v0.6.9
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking c_multiple_crates v0.1.0 (/opt/rustwide/workdir/chapter-7/c_multiple_crates)
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking chapter-10-traits-lib v0.1.0 (/opt/rustwide/workdir/chapter-10-traits-lib)
[INFO] [stderr]     Checking d_custom_crate_files v0.1.0 (/opt/rustwide/workdir/chapter-7/d_custom_crate_files)
[INFO] [stderr]     Checking chapter-10b-traits v0.1.0 (/opt/rustwide/workdir/chapter-10b-traits)
[INFO] [stderr]     Checking chapter-8 v0.1.0 (/opt/rustwide/workdir/chapter-8)
[INFO] [stderr]     Checking chapter-13 v0.1.0 (/opt/rustwide/workdir/chapter-13)
[INFO] [stderr]     Checking clap_builder v4.4.8
[INFO] [stderr]     Checking chapter-10a v0.1.0 (/opt/rustwide/workdir/chapter-10a-generics)
[INFO] [stderr]     Checking chapter-10c-lifetimes v0.1.0 (/opt/rustwide/workdir/chapter-10c-lifetimes)
[INFO] [stderr]     Checking chapter-5 v0.1.0 (/opt/rustwide/workdir/chapter-5)
[INFO] [stderr]     Checking chapter-4 v0.1.0 (/opt/rustwide/workdir/chapter-4)
[INFO] [stderr]     Checking e_pub_vs_private v0.1.0 (/opt/rustwide/workdir/chapter-7/e_pub_vs_private)
[INFO] [stderr]     Checking chapter-6 v0.1.0 (/opt/rustwide/workdir/chapter-6)
[INFO] [stderr]     Checking a_standard_binary v0.1.0 (/opt/rustwide/workdir/chapter-7/a_normal_binary)
[INFO] [stderr]     Checking b_standard_library v0.1.0 (/opt/rustwide/workdir/chapter-7/b_normal_library)
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking indicatif v0.17.7
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking chapter-12 v0.1.0 (/opt/rustwide/workdir/chapter-12)
[INFO] [stderr]     Checking chapter-3 v0.1.0 (/opt/rustwide/workdir/chapter-3)
[INFO] [stderr]     Checking chapter-11 v0.1.0 (/opt/rustwide/workdir/chapter-11)
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking predicates v3.0.4
[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] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]     Checking assert_cmd v2.0.12
[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]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking chapter-9 v0.1.0 (/opt/rustwide/workdir/chapter-9)
[INFO] [stderr]     Checking clap v4.4.8
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking rustlings-chapter-6 v5.6.1 (/opt/rustwide/workdir/chapter-6/rustlings)
[INFO] [stderr]     Checking rustlings-chapter-7 v5.6.1 (/opt/rustwide/workdir/chapter-7/rustlings)
[INFO] [stderr]     Checking rustlings-chapter-10a-generics v5.6.1 (/opt/rustwide/workdir/chapter-10a-generics/rustlings)
[INFO] [stderr]     Checking rustlings-chapter-13 v5.6.1 (/opt/rustwide/workdir/chapter-13/rustlings)
[INFO] [stderr]     Checking rustlings-chapter-8 v5.6.1 (/opt/rustwide/workdir/chapter-8/rustlings)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.17s
[INFO] running `Command { std: "docker" "inspect" "13167fa114cf7948552deb4ef0d6e2109cb7535e4a57874876dd0c070a8f1a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13167fa114cf7948552deb4ef0d6e2109cb7535e4a57874876dd0c070a8f1a92", kill_on_drop: false }`
[INFO] [stdout] 13167fa114cf7948552deb4ef0d6e2109cb7535e4a57874876dd0c070a8f1a92
