[INFO] cloning repository https://github.com/gabucito/rust-closure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabucito/rust-closure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Frust-closure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Frust-closure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a43a4e5d1fdb72df56d5f943104605523c979d24 [INFO] testing gabucito/rust-closure against master#ff2c56344c764af598ad33027e9c7a48881808ef for pr-118825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Frust-closure" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabucito/rust-closure 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/gabucito/rust-closure [INFO] finished tweaking git repo https://github.com/gabucito/rust-closure [INFO] tweaked toml for git repo https://github.com/gabucito/rust-closure written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gabucito/rust-closure 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e0706f2d39951d900f1f0214b94d8e8c8064afbd9a78c9de295c55058fc07ee [INFO] running `Command { std: "docker" "start" "-a" "2e0706f2d39951d900f1f0214b94d8e8c8064afbd9a78c9de295c55058fc07ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e0706f2d39951d900f1f0214b94d8e8c8064afbd9a78c9de295c55058fc07ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e0706f2d39951d900f1f0214b94d8e8c8064afbd9a78c9de295c55058fc07ee", kill_on_drop: false }` [INFO] [stdout] 2e0706f2d39951d900f1f0214b94d8e8c8064afbd9a78c9de295c55058fc07ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a2a7e5cc508acc43592f56dc6722a3b22e61761470e67b512be42bd660a17dda [INFO] running `Command { std: "docker" "start" "-a" "a2a7e5cc508acc43592f56dc6722a3b22e61761470e67b512be42bd660a17dda", kill_on_drop: false }` [INFO] [stderr] Compiling excercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 14 | / impl Cacher [INFO] [stdout] 15 | | where [INFO] [stdout] 16 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | fn value(&mut self, arg: u32) -> u32 { [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 0.24s [INFO] running `Command { std: "docker" "inspect" "a2a7e5cc508acc43592f56dc6722a3b22e61761470e67b512be42bd660a17dda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2a7e5cc508acc43592f56dc6722a3b22e61761470e67b512be42bd660a17dda", kill_on_drop: false }` [INFO] [stdout] a2a7e5cc508acc43592f56dc6722a3b22e61761470e67b512be42bd660a17dda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb72b17da3fe52631cbfb361794358df7bc1b664fc0b7bc3c629337c18f35b86 [INFO] running `Command { std: "docker" "start" "-a" "cb72b17da3fe52631cbfb361794358df7bc1b664fc0b7bc3c629337c18f35b86", kill_on_drop: false }` [INFO] [stderr] Compiling excercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let v1 = c.hash(1); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 14 | / impl Cacher [INFO] [stdout] 15 | | where [INFO] [stdout] 16 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.26s [INFO] running `Command { std: "docker" "inspect" "cb72b17da3fe52631cbfb361794358df7bc1b664fc0b7bc3c629337c18f35b86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb72b17da3fe52631cbfb361794358df7bc1b664fc0b7bc3c629337c18f35b86", kill_on_drop: false }` [INFO] [stdout] cb72b17da3fe52631cbfb361794358df7bc1b664fc0b7bc3c629337c18f35b86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ff2c56344c764af598ad33027e9c7a48881808ef" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 05b8f03cb7df1a262d2aac3458dbf79e588eb035d2dc51f61ee6da5332f1b514 [INFO] running `Command { std: "docker" "start" "-a" "05b8f03cb7df1a262d2aac3458dbf79e588eb035d2dc51f61ee6da5332f1b514", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `v1` [INFO] [stderr] --> src/main.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | let v1 = c.hash(1); [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `value` is never read [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 5 | struct Cacher [INFO] [stderr] | ------ field in this struct [INFO] [stderr] ... [INFO] [stderr] 10 | value: Option, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method `value` is never used [INFO] [stderr] --> src/main.rs:31:8 [INFO] [stderr] | [INFO] [stderr] 14 | / impl Cacher [INFO] [stderr] 15 | | where [INFO] [stderr] 16 | | T: Fn(u32) -> u32, [INFO] [stderr] | |______________________- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 31 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `excercise` (bin "excercise" test) generated 3 warnings (run `cargo fix --bin "excercise" --tests` to apply 1 suggestion) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::call_with_different_values ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "05b8f03cb7df1a262d2aac3458dbf79e588eb035d2dc51f61ee6da5332f1b514", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05b8f03cb7df1a262d2aac3458dbf79e588eb035d2dc51f61ee6da5332f1b514", kill_on_drop: false }` [INFO] [stdout] 05b8f03cb7df1a262d2aac3458dbf79e588eb035d2dc51f61ee6da5332f1b514 [INFO] testing gabucito/rust-closure against try#5e4273472e1b2f223618a9b3def795f6224f241d for pr-118825 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabucito%2Frust-closure" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabucito/rust-closure 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/gabucito/rust-closure [INFO] finished tweaking git repo https://github.com/gabucito/rust-closure [INFO] tweaked toml for git repo https://github.com/gabucito/rust-closure written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gabucito/rust-closure 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 169e2f1941dbda436dc34cf13b91975487728cb754139bb4be026b25415e1b64 [INFO] running `Command { std: "docker" "start" "-a" "169e2f1941dbda436dc34cf13b91975487728cb754139bb4be026b25415e1b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "169e2f1941dbda436dc34cf13b91975487728cb754139bb4be026b25415e1b64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "169e2f1941dbda436dc34cf13b91975487728cb754139bb4be026b25415e1b64", kill_on_drop: false }` [INFO] [stdout] 169e2f1941dbda436dc34cf13b91975487728cb754139bb4be026b25415e1b64 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cbf856e1cee62aabbb73338c8a1c4e4c1a21b04d4f499475992b4b816caa9a92 [INFO] running `Command { std: "docker" "start" "-a" "cbf856e1cee62aabbb73338c8a1c4e4c1a21b04d4f499475992b4b816caa9a92", kill_on_drop: false }` [INFO] [stderr] Compiling excercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 14 | / impl Cacher [INFO] [stdout] 15 | | where [INFO] [stdout] 16 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | fn value(&mut self, arg: u32) -> u32 { [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 0.23s [INFO] running `Command { std: "docker" "inspect" "cbf856e1cee62aabbb73338c8a1c4e4c1a21b04d4f499475992b4b816caa9a92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbf856e1cee62aabbb73338c8a1c4e4c1a21b04d4f499475992b4b816caa9a92", kill_on_drop: false }` [INFO] [stdout] cbf856e1cee62aabbb73338c8a1c4e4c1a21b04d4f499475992b4b816caa9a92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6396c2a0ef35ef6de7a8f06d88fa9675aa971d3e59750e4066af5d8e5cbe97e0 [INFO] running `Command { std: "docker" "start" "-a" "6396c2a0ef35ef6de7a8f06d88fa9675aa971d3e59750e4066af5d8e5cbe97e0", kill_on_drop: false }` [INFO] [stderr] Compiling excercise v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:91:13 [INFO] [stdout] | [INFO] [stdout] 91 | let v1 = c.hash(1); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> src/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Cacher [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 10 | value: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `value` is never used [INFO] [stdout] --> src/main.rs:31:8 [INFO] [stdout] | [INFO] [stdout] 14 | / impl Cacher [INFO] [stdout] 15 | | where [INFO] [stdout] 16 | | T: Fn(u32) -> u32, [INFO] [stdout] | |______________________- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 31 | fn value(&mut self, arg: u32) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc95tLeQ/symbols.o" "/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77.excercise.2f9eb85d1e7ae81c-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77.excercise.2f9eb85d1e7ae81c-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77.excercise.2f9eb85d1e7ae81c-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77.45nnrqrv53db2jme.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-589db8c3d6f2bfaf.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-c66b835e79ac4e5c.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-e6563fad5fde6625.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_std-ecc9b0542ac56b55.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ac8c01c554941eda.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8658b562b4bc9014.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3f17a82d6f357d02.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-b18e95f01f68fe15.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-f13c9e14ea01d467.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-5f665d37f127e827.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-36e065ac22f29782.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-2d131236edb9f3b1.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-84ab31faa4fd82ed.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f1266d0fa705ff20.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-4a0ab320ded9b408.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-aea37e6b802c4566.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06ef5b9b64386eaa.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a099cfdcf5ac5c57.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-5f8c8143cdb8d04b.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3bf59988464e229a.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9686387289eaa322.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8ebeba8f78436673.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/5e4273472e1b2f223618a9b3def795f6224f241d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/excercise-46ebd28614f06c77" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: final link failed: No space left on device [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `excercise` (bin "excercise" test) due to 1 previous error; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6396c2a0ef35ef6de7a8f06d88fa9675aa971d3e59750e4066af5d8e5cbe97e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6396c2a0ef35ef6de7a8f06d88fa9675aa971d3e59750e4066af5d8e5cbe97e0", kill_on_drop: false }` [INFO] [stdout] 6396c2a0ef35ef6de7a8f06d88fa9675aa971d3e59750e4066af5d8e5cbe97e0