[INFO] cloning repository https://github.com/Yacheen/learningchapter13rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yacheen/learningchapter13rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYacheen%2Flearningchapter13rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYacheen%2Flearningchapter13rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0e1148e5bb67b630b81eba13f2ac45c3aad87d1
[INFO] testing Yacheen/learningchapter13rust 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%2FYacheen%2Flearningchapter13rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yacheen/learningchapter13rust 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/Yacheen/learningchapter13rust
[INFO] finished tweaking git repo https://github.com/Yacheen/learningchapter13rust
[INFO] tweaked toml for git repo https://github.com/Yacheen/learningchapter13rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Yacheen/learningchapter13rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 0bd0ea2fbb728a0a5d22b0f7f494e3db509139d043c4b462db692467ed14a4d8
[INFO] running `Command { std: "docker" "start" "-a" "0bd0ea2fbb728a0a5d22b0f7f494e3db509139d043c4b462db692467ed14a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bd0ea2fbb728a0a5d22b0f7f494e3db509139d043c4b462db692467ed14a4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd0ea2fbb728a0a5d22b0f7f494e3db509139d043c4b462db692467ed14a4d8", kill_on_drop: false }`
[INFO] [stdout] 0bd0ea2fbb728a0a5d22b0f7f494e3db509139d043c4b462db692467ed14a4d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 222ad808a3f7fd61affc7564fb38e5358491ead946e0df23043dd6df2f39f00a
[INFO] running `Command { std: "docker" "start" "-a" "222ad808a3f7fd61affc7564fb38e5358491ead946e0df23043dd6df2f39f00a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chapt13closuresiteratorsetc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/iterators.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new() -> Counter {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `shoes_in_size`
[INFO] [stdout]   --> src/iterators.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub fn shoes_in_size(shoes: Vec<Shoe>, shoe_size: u32) -> Vec<Shoe> {
[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 13.48s
[INFO] running `Command { std: "docker" "inspect" "222ad808a3f7fd61affc7564fb38e5358491ead946e0df23043dd6df2f39f00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222ad808a3f7fd61affc7564fb38e5358491ead946e0df23043dd6df2f39f00a", kill_on_drop: false }`
[INFO] [stdout] 222ad808a3f7fd61affc7564fb38e5358491ead946e0df23043dd6df2f39f00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 2302a8f82d4d2c3d459192962db3a7c0367f089c525d8d263e8ed9d0c6c49467
[INFO] running `Command { std: "docker" "start" "-a" "2302a8f82d4d2c3d459192962db3a7c0367f089c525d8d263e8ed9d0c6c49467", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapt13closuresiteratorsetc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapt13closuresiteratorsetc-f125d55007a5a4ea)
[INFO] running `Command { std: "docker" "inspect" "2302a8f82d4d2c3d459192962db3a7c0367f089c525d8d263e8ed9d0c6c49467", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2302a8f82d4d2c3d459192962db3a7c0367f089c525d8d263e8ed9d0c6c49467", kill_on_drop: false }`
[INFO] [stdout] 2302a8f82d4d2c3d459192962db3a7c0367f089c525d8d263e8ed9d0c6c49467
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] ee408ce618090d47ccc3be46196724244fbb7fbdf86cb73d7574ff8b34d4b561
[INFO] running `Command { std: "docker" "start" "-a" "ee408ce618090d47ccc3be46196724244fbb7fbdf86cb73d7574ff8b34d4b561", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapt13closuresiteratorsetc-f125d55007a5a4ea)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test iterators::tests::trying_other_iter_trait_methods ... ok
[INFO] [stdout] test iterators::tests::filters_by_size ... 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] running `Command { std: "docker" "inspect" "ee408ce618090d47ccc3be46196724244fbb7fbdf86cb73d7574ff8b34d4b561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee408ce618090d47ccc3be46196724244fbb7fbdf86cb73d7574ff8b34d4b561", kill_on_drop: false }`
[INFO] [stdout] ee408ce618090d47ccc3be46196724244fbb7fbdf86cb73d7574ff8b34d4b561