[INFO] cloning repository https://github.com/brainsik/rustbook-ch13-cacher [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brainsik/rustbook-ch13-cacher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrainsik%2Frustbook-ch13-cacher", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrainsik%2Frustbook-ch13-cacher'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 45a6073f7624e06885d6a0eb0f6568a0c40845da [INFO] testing brainsik/rustbook-ch13-cacher against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrainsik%2Frustbook-ch13-cacher" "/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/brainsik/rustbook-ch13-cacher on toolchain ff2c56344c764af598ad33027e9c7a48881808ef [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brainsik/rustbook-ch13-cacher [INFO] finished tweaking git repo https://github.com/brainsik/rustbook-ch13-cacher [INFO] tweaked toml for git repo https://github.com/brainsik/rustbook-ch13-cacher written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/brainsik/rustbook-ch13-cacher 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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] testing brainsik/rustbook-ch13-cacher against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrainsik%2Frustbook-ch13-cacher" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/brainsik/rustbook-ch13-cacher on toolchain 5e4273472e1b2f223618a9b3def795f6224f241d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/brainsik/rustbook-ch13-cacher [INFO] finished tweaking git repo https://github.com/brainsik/rustbook-ch13-cacher [INFO] tweaked toml for git repo https://github.com/brainsik/rustbook-ch13-cacher written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/brainsik/rustbook-ch13-cacher 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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 110e9e68a8d7cbe9f99c31901ab8fc0ac3aed5a86dadc56b1a54c2e8a4493314 [INFO] running `Command { std: "docker" "start" "-a" "110e9e68a8d7cbe9f99c31901ab8fc0ac3aed5a86dadc56b1a54c2e8a4493314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "110e9e68a8d7cbe9f99c31901ab8fc0ac3aed5a86dadc56b1a54c2e8a4493314", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "110e9e68a8d7cbe9f99c31901ab8fc0ac3aed5a86dadc56b1a54c2e8a4493314", kill_on_drop: false }` [INFO] [stdout] 110e9e68a8d7cbe9f99c31901ab8fc0ac3aed5a86dadc56b1a54c2e8a4493314 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1b398c274e354135d4692c52139c5cdf4ce39283de42fd2e1917bf4e2f501a3d [INFO] running `Command { std: "docker" "start" "-a" "1b398c274e354135d4692c52139c5cdf4ce39283de42fd2e1917bf4e2f501a3d", kill_on_drop: false }` [INFO] [stderr] Compiling rustbook-ch13-cacher v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 11 | / impl Cacher [INFO] [stdout] 12 | | where [INFO] [stdout] 13 | | T: Fn(U) -> V, [INFO] [stdout] 14 | | U: std::hash::Hash + Eq + Copy, [INFO] [stdout] 15 | | V: Copy, [INFO] [stdout] | |____________- associated items in this implementation [INFO] [stdout] 16 | { [INFO] [stdout] 17 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn value(&mut self, arg: U) -> V { [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 0.04s [INFO] running `Command { std: "docker" "inspect" "1b398c274e354135d4692c52139c5cdf4ce39283de42fd2e1917bf4e2f501a3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b398c274e354135d4692c52139c5cdf4ce39283de42fd2e1917bf4e2f501a3d", kill_on_drop: false }` [INFO] [stdout] 1b398c274e354135d4692c52139c5cdf4ce39283de42fd2e1917bf4e2f501a3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 382fa1f7fa2e1c68a7a68ada2cc06e37ea2c9b8ad1e0edec422221303b9c30de [INFO] running `Command { std: "docker" "start" "-a" "382fa1f7fa2e1c68a7a68ada2cc06e37ea2c9b8ad1e0edec422221303b9c30de", kill_on_drop: false }` [INFO] [stdout] warning: struct `Cacher` is never constructed [INFO] [stdout] --> src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Cacher [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `value` are never used [INFO] [stdout] --> src/lib.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 11 | / impl Cacher [INFO] [stdout] 12 | | where [INFO] [stdout] 13 | | T: Fn(U) -> V, [INFO] [stdout] 14 | | U: std::hash::Hash + Eq + Copy, [INFO] [stdout] 15 | | V: Copy, [INFO] [stdout] | |____________- associated items in this implementation [INFO] [stdout] 16 | { [INFO] [stdout] 17 | fn new(calculation: T) -> Cacher { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | fn value(&mut self, arg: U) -> V { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustbook-ch13-cacher v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "382fa1f7fa2e1c68a7a68ada2cc06e37ea2c9b8ad1e0edec422221303b9c30de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "382fa1f7fa2e1c68a7a68ada2cc06e37ea2c9b8ad1e0edec422221303b9c30de", kill_on_drop: false }` [INFO] [stdout] 382fa1f7fa2e1c68a7a68ada2cc06e37ea2c9b8ad1e0edec422221303b9c30de [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+5e4273472e1b2f223618a9b3def795f6224f241d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6983b23715c204910353d9e021d479bfe617b3fea15c4479e5243ccb9989b56 [INFO] running `Command { std: "docker" "start" "-a" "b6983b23715c204910353d9e021d479bfe617b3fea15c4479e5243ccb9989b56", kill_on_drop: false }` [INFO] [stderr] warning: struct `Cacher` is never constructed [INFO] [stderr] --> src/lib.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Cacher [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated items `new` and `value` are never used [INFO] [stderr] --> src/lib.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 11 | / impl Cacher [INFO] [stderr] 12 | | where [INFO] [stderr] 13 | | T: Fn(U) -> V, [INFO] [stderr] 14 | | U: std::hash::Hash + Eq + Copy, [INFO] [stderr] 15 | | V: Copy, [INFO] [stderr] | |____________- associated items in this implementation [INFO] [stderr] 16 | { [INFO] [stderr] 17 | fn new(calculation: T) -> Cacher { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 24 | fn value(&mut self, arg: U) -> V { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rustbook-ch13-cacher` (lib) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustbook_ch13_cacher-567e204d52eacdef) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::call_with_different_types ... ok [INFO] [stdout] test tests::call_with_different_values ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rustbook-ch13-cacher [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" "b6983b23715c204910353d9e021d479bfe617b3fea15c4479e5243ccb9989b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6983b23715c204910353d9e021d479bfe617b3fea15c4479e5243ccb9989b56", kill_on_drop: false }` [INFO] [stdout] b6983b23715c204910353d9e021d479bfe617b3fea15c4479e5243ccb9989b56