[INFO] fetching crate iter_utils 0.1.0...
[INFO] testing iter_utils-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate iter_utils 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate iter_utils 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iter_utils 0.1.0
[INFO] finished tweaking crates.io crate iter_utils 0.1.0
[INFO] tweaked toml for crates.io crate iter_utils 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 199d561966d077cd3ba3267f1978d6428a0c129468aece7e4c586de6ed252cea
[INFO] running `Command { std: "docker" "start" "-a" "199d561966d077cd3ba3267f1978d6428a0c129468aece7e4c586de6ed252cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "199d561966d077cd3ba3267f1978d6428a0c129468aece7e4c586de6ed252cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199d561966d077cd3ba3267f1978d6428a0c129468aece7e4c586de6ed252cea", kill_on_drop: false }`
[INFO] [stdout] 199d561966d077cd3ba3267f1978d6428a0c129468aece7e4c586de6ed252cea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef6fcd0fbf7c6f787b2920697d1feb421bc725d7dd7a14fb4e1ea5923a5b482a
[INFO] running `Command { std: "docker" "start" "-a" "ef6fcd0fbf7c6f787b2920697d1feb421bc725d7dd7a14fb4e1ea5923a5b482a", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ef6fcd0fbf7c6f787b2920697d1feb421bc725d7dd7a14fb4e1ea5923a5b482a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6fcd0fbf7c6f787b2920697d1feb421bc725d7dd7a14fb4e1ea5923a5b482a", kill_on_drop: false }`
[INFO] [stdout] ef6fcd0fbf7c6f787b2920697d1feb421bc725d7dd7a14fb4e1ea5923a5b482a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c5e1ba643b8bba7206af91814a03eaf7755ca6e45bfb56f56985048b4bf0b64
[INFO] running `Command { std: "docker" "start" "-a" "1c5e1ba643b8bba7206af91814a03eaf7755ca6e45bfb56f56985048b4bf0b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "1c5e1ba643b8bba7206af91814a03eaf7755ca6e45bfb56f56985048b4bf0b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c5e1ba643b8bba7206af91814a03eaf7755ca6e45bfb56f56985048b4bf0b64", kill_on_drop: false }`
[INFO] [stdout] 1c5e1ba643b8bba7206af91814a03eaf7755ca6e45bfb56f56985048b4bf0b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 897ed850512bbdf1ab01ba2f509cb7ad84d07e8027a7a0cfa62becb12b6fe3e9
[INFO] running `Command { std: "docker" "start" "-a" "897ed850512bbdf1ab01ba2f509cb7ad84d07e8027a7a0cfa62becb12b6fe3e9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_utils-765791cb41bc5a98)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_argmax ... 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] [stderr]    Doc-tests iter_utils
[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" "897ed850512bbdf1ab01ba2f509cb7ad84d07e8027a7a0cfa62becb12b6fe3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897ed850512bbdf1ab01ba2f509cb7ad84d07e8027a7a0cfa62becb12b6fe3e9", kill_on_drop: false }`
[INFO] [stdout] 897ed850512bbdf1ab01ba2f509cb7ad84d07e8027a7a0cfa62becb12b6fe3e9