[INFO] cloning repository https://github.com/lukisko/rust_chap_10 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukisko/rust_chap_10" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukisko%2Frust_chap_10", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukisko%2Frust_chap_10'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1ee5ad9df771130415b0f2f6e26debc981a04485 [INFO] testing lukisko/rust_chap_10 against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukisko%2Frust_chap_10" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lukisko/rust_chap_10 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lukisko/rust_chap_10 [INFO] finished tweaking git repo https://github.com/lukisko/rust_chap_10 [INFO] tweaked toml for git repo https://github.com/lukisko/rust_chap_10 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/lukisko/rust_chap_10 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00b2f47a8c577501ac8a5a52bfea160c208d9e3c4a7e91fa3436059f9d793221 [INFO] running `Command { std: "docker" "start" "-a" "00b2f47a8c577501ac8a5a52bfea160c208d9e3c4a7e91fa3436059f9d793221", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00b2f47a8c577501ac8a5a52bfea160c208d9e3c4a7e91fa3436059f9d793221", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00b2f47a8c577501ac8a5a52bfea160c208d9e3c4a7e91fa3436059f9d793221", kill_on_drop: false }` [INFO] [stdout] 00b2f47a8c577501ac8a5a52bfea160c208d9e3c4a7e91fa3436059f9d793221 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b92ef0f90e3083b82badd20e1ec53a3291788038fa43a5d18f0c9f286aac582 [INFO] running `Command { std: "docker" "start" "-a" "0b92ef0f90e3083b82badd20e1ec53a3291788038fa43a5d18f0c9f286aac582", kill_on_drop: false }` [INFO] [stderr] Compiling chap10 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn largest(list: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "0b92ef0f90e3083b82badd20e1ec53a3291788038fa43a5d18f0c9f286aac582", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b92ef0f90e3083b82badd20e1ec53a3291788038fa43a5d18f0c9f286aac582", kill_on_drop: false }` [INFO] [stdout] 0b92ef0f90e3083b82badd20e1ec53a3291788038fa43a5d18f0c9f286aac582 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8de2f5774a60b8ac7633d0f7809dd9f2c65049a51cf492737e48a7264197da56 [INFO] running `Command { std: "docker" "start" "-a" "8de2f5774a60b8ac7633d0f7809dd9f2c65049a51cf492737e48a7264197da56", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chap10 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `largest` [INFO] [stdout] --> src/main.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn largest(list: &[i32]) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest` [INFO] [stdout] --> src/main.rs:90:4 [INFO] [stdout] | [INFO] [stdout] 90 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.33s [INFO] running `Command { std: "docker" "inspect" "8de2f5774a60b8ac7633d0f7809dd9f2c65049a51cf492737e48a7264197da56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8de2f5774a60b8ac7633d0f7809dd9f2c65049a51cf492737e48a7264197da56", kill_on_drop: false }` [INFO] [stdout] 8de2f5774a60b8ac7633d0f7809dd9f2c65049a51cf492737e48a7264197da56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] a96f3f21e567a78e9bade6d1732f3ec0bf8a103b6b8cce340db413f3e1b4ed7d [INFO] running `Command { std: "docker" "start" "-a" "a96f3f21e567a78e9bade6d1732f3ec0bf8a103b6b8cce340db413f3e1b4ed7d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: function is never used: `largest` [INFO] [stderr] --> src/main.rs:10:4 [INFO] [stderr] | [INFO] [stderr] 10 | fn largest(list: &[i32]) -> i32 { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest` [INFO] [stderr] --> src/main.rs:90:4 [INFO] [stderr] | [INFO] [stderr] 90 | fn longest<'a>(x: &'a str, y: &'a str) -> &'a str { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `chap10` (bin "chap10" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.75s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/chap10-4dee964ca1173ab7) [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] running `Command { std: "docker" "inspect" "a96f3f21e567a78e9bade6d1732f3ec0bf8a103b6b8cce340db413f3e1b4ed7d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a96f3f21e567a78e9bade6d1732f3ec0bf8a103b6b8cce340db413f3e1b4ed7d", kill_on_drop: false }` [INFO] [stdout] a96f3f21e567a78e9bade6d1732f3ec0bf8a103b6b8cce340db413f3e1b4ed7d