[INFO] cloning repository https://github.com/zeroyukiy/learning-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zeroyukiy/learning-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroyukiy%2Flearning-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroyukiy%2Flearning-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e30a33e9781fb61f061ad3d311c8bc3dfb375df
[INFO] testing zeroyukiy/learning-rs against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzeroyukiy%2Flearning-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zeroyukiy/learning-rs on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zeroyukiy/learning-rs
[INFO] finished tweaking git repo https://github.com/zeroyukiy/learning-rs
[INFO] tweaked toml for git repo https://github.com/zeroyukiy/learning-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/zeroyukiy/learning-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73e2d305a9b76b10de92bf91f289e2d361aea1f86b86e0226a6e510766b45e67
[INFO] running `Command { std: "docker" "start" "-a" "73e2d305a9b76b10de92bf91f289e2d361aea1f86b86e0226a6e510766b45e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73e2d305a9b76b10de92bf91f289e2d361aea1f86b86e0226a6e510766b45e67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e2d305a9b76b10de92bf91f289e2d361aea1f86b86e0226a6e510766b45e67", kill_on_drop: false }`
[INFO] [stdout] 73e2d305a9b76b10de92bf91f289e2d361aea1f86b86e0226a6e510766b45e67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d5c9c9b7e84d230768243915fa1051f72570b74d0bda784ccf990aa6829bc9
[INFO] running `Command { std: "docker" "start" "-a" "b2d5c9c9b7e84d230768243915fa1051f72570b74d0bda784ccf990aa6829bc9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/collections.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "b2d5c9c9b7e84d230768243915fa1051f72570b74d0bda784ccf990aa6829bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d5c9c9b7e84d230768243915fa1051f72570b74d0bda784ccf990aa6829bc9", kill_on_drop: false }`
[INFO] [stdout] b2d5c9c9b7e84d230768243915fa1051f72570b74d0bda784ccf990aa6829bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5d063b4b7a559265ab376c4a800e0a94fc73d6a5cfa9a4bdac5bf1c2c60cf31
[INFO] running `Command { std: "docker" "start" "-a" "b5d063b4b7a559265ab376c4a800e0a94fc73d6a5cfa9a4bdac5bf1c2c60cf31", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/collections.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "b5d063b4b7a559265ab376c4a800e0a94fc73d6a5cfa9a4bdac5bf1c2c60cf31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5d063b4b7a559265ab376c4a800e0a94fc73d6a5cfa9a4bdac5bf1c2c60cf31", kill_on_drop: false }`
[INFO] [stdout] b5d063b4b7a559265ab376c4a800e0a94fc73d6a5cfa9a4bdac5bf1c2c60cf31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5284fb8837c6b1f3dc086e72a131dde02cf99b8009b61005cfbd42cc7e83a94
[INFO] running `Command { std: "docker" "start" "-a" "e5284fb8837c6b1f3dc086e72a131dde02cf99b8009b61005cfbd42cc7e83a94", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/collections.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 |         };
[INFO] [stderr]    |          ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `learning-rs` (bin "learning-rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning_rs-23c52bc5809d12cc)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test iterators::filters_by_size ... ok
[INFO] [stdout] test iterators::test_our_iterator ... ok
[INFO] [stdout] test iterators::using_other_iterator_trait_methods ... ok
[INFO] [stdout] test tests::greeting_contains_name ... ignored
[INFO] [stdout] test tests::it_adds_two ... ok
[INFO] [stdout] test tests::it_not_adds_two ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::larger_can_hold_smaller ... ok
[INFO] [stdout] test tests::greater_than_100 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5284fb8837c6b1f3dc086e72a131dde02cf99b8009b61005cfbd42cc7e83a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5284fb8837c6b1f3dc086e72a131dde02cf99b8009b61005cfbd42cc7e83a94", kill_on_drop: false }`
[INFO] [stdout] e5284fb8837c6b1f3dc086e72a131dde02cf99b8009b61005cfbd42cc7e83a94