[INFO] cloning repository https://github.com/GZ315200/rust_learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GZ315200/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGZ315200%2Frust_learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGZ315200%2Frust_learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 51a88f685fe7bd9e3fc6f3898513846c10726d41 [INFO] testing GZ315200/rust_learning against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGZ315200%2Frust_learning" "/workspace/builds/worker-26/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GZ315200/rust_learning on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GZ315200/rust_learning [INFO] finished tweaking git repo https://github.com/GZ315200/rust_learning [INFO] tweaked toml for git repo https://github.com/GZ315200/rust_learning written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate git repo https://github.com/GZ315200/rust_learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b250da83b7f8454bd2ee97e3d15d485852a26440483237f7853591b74f9b497 [INFO] running `Command { std: "docker" "start" "-a" "0b250da83b7f8454bd2ee97e3d15d485852a26440483237f7853591b74f9b497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b250da83b7f8454bd2ee97e3d15d485852a26440483237f7853591b74f9b497", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b250da83b7f8454bd2ee97e3d15d485852a26440483237f7853591b74f9b497", kill_on_drop: false }` [INFO] [stdout] 0b250da83b7f8454bd2ee97e3d15d485852a26440483237f7853591b74f9b497 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0a7b00d14535ee298dfb9fdc527352f92052bfa8420c5c71c92791eb7b8b2477 [INFO] running `Command { std: "docker" "start" "-a" "0a7b00d14535ee298dfb9fdc527352f92052bfa8420c5c71c92791eb7b8b2477", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:65:10 [INFO] [stdout] | [INFO] [stdout] 65 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> variables/src/main.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.10s [INFO] running `Command { std: "docker" "inspect" "0a7b00d14535ee298dfb9fdc527352f92052bfa8420c5c71c92791eb7b8b2477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a7b00d14535ee298dfb9fdc527352f92052bfa8420c5c71c92791eb7b8b2477", kill_on_drop: false }` [INFO] [stdout] 0a7b00d14535ee298dfb9fdc527352f92052bfa8420c5c71c92791eb7b8b2477 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6b575bcc1770cd6e868624845e6aa915284c43e2d9cdf334650ffbbc3d211ca [INFO] running `Command { std: "docker" "start" "-a" "a6b575bcc1770cd6e868624845e6aa915284c43e2d9cdf334650ffbbc3d211ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> variables/src/main.rs:65:10 [INFO] [stdout] | [INFO] [stdout] 65 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `z` [INFO] [stdout] --> variables/src/main.rs:65:16 [INFO] [stdout] | [INFO] [stdout] 65 | let (x, y, z) = tup; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.43s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-c09f5b8694b5550a) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-18d3c794f925a00b) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-24b883fc99760ec0) [INFO] running `Command { std: "docker" "inspect" "a6b575bcc1770cd6e868624845e6aa915284c43e2d9cdf334650ffbbc3d211ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6b575bcc1770cd6e868624845e6aa915284c43e2d9cdf334650ffbbc3d211ca", kill_on_drop: false }` [INFO] [stdout] a6b575bcc1770cd6e868624845e6aa915284c43e2d9cdf334650ffbbc3d211ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1716b006df446cfd774a057c766a82613d8309c3bc87b174f76f6d46011eefc0 [INFO] running `Command { std: "docker" "start" "-a" "1716b006df446cfd774a057c766a82613d8309c3bc87b174f76f6d46011eefc0", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> variables/src/main.rs:65:10 [INFO] [stderr] | [INFO] [stderr] 65 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `z` [INFO] [stderr] --> variables/src/main.rs:65:16 [INFO] [stderr] | [INFO] [stderr] 65 | let (x, y, z) = tup; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_z` [INFO] [stderr] [INFO] [stderr] warning: `variables` (bin "variables" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-c09f5b8694b5550a) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-18d3c794f925a00b) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-24b883fc99760ec0) [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" "1716b006df446cfd774a057c766a82613d8309c3bc87b174f76f6d46011eefc0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1716b006df446cfd774a057c766a82613d8309c3bc87b174f76f6d46011eefc0", kill_on_drop: false }` [INFO] [stdout] 1716b006df446cfd774a057c766a82613d8309c3bc87b174f76f6d46011eefc0