[INFO] fetching crate iter_utils 0.1.0...
[INFO] testing iter_utils-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate iter_utils 0.1.0 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate iter_utils 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34a9714c741f72124924ada5386e94f2ff3dbbb719e13b9b0d19e205187b7750
[INFO] running `Command { std: "docker" "start" "-a" "34a9714c741f72124924ada5386e94f2ff3dbbb719e13b9b0d19e205187b7750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34a9714c741f72124924ada5386e94f2ff3dbbb719e13b9b0d19e205187b7750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a9714c741f72124924ada5386e94f2ff3dbbb719e13b9b0d19e205187b7750", kill_on_drop: false }`
[INFO] [stdout] 34a9714c741f72124924ada5386e94f2ff3dbbb719e13b9b0d19e205187b7750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c9791c7fe4eb92f3d4517eb2365699ad6513c82b1bf8a8cd99cc4d474be04c5
[INFO] running `Command { std: "docker" "start" "-a" "0c9791c7fe4eb92f3d4517eb2365699ad6513c82b1bf8a8cd99cc4d474be04c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "0c9791c7fe4eb92f3d4517eb2365699ad6513c82b1bf8a8cd99cc4d474be04c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9791c7fe4eb92f3d4517eb2365699ad6513c82b1bf8a8cd99cc4d474be04c5", kill_on_drop: false }`
[INFO] [stdout] 0c9791c7fe4eb92f3d4517eb2365699ad6513c82b1bf8a8cd99cc4d474be04c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d80cb32615a646e4787a3ca0afd066480eaa02dd93854481be24643abf865fbe
[INFO] running `Command { std: "docker" "start" "-a" "d80cb32615a646e4787a3ca0afd066480eaa02dd93854481be24643abf865fbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "d80cb32615a646e4787a3ca0afd066480eaa02dd93854481be24643abf865fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d80cb32615a646e4787a3ca0afd066480eaa02dd93854481be24643abf865fbe", kill_on_drop: false }`
[INFO] [stdout] d80cb32615a646e4787a3ca0afd066480eaa02dd93854481be24643abf865fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7e77c1572dca553e6bd3217fb5b8e9ef1df389b5c31950555d433932809f1579
[INFO] running `Command { std: "docker" "start" "-a" "7e77c1572dca553e6bd3217fb5b8e9ef1df389b5c31950555d433932809f1579", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iter_utils-945e05ad407a3325)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_argmax ... ok
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_utils
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "7e77c1572dca553e6bd3217fb5b8e9ef1df389b5c31950555d433932809f1579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e77c1572dca553e6bd3217fb5b8e9ef1df389b5c31950555d433932809f1579", kill_on_drop: false }`
[INFO] [stdout] 7e77c1572dca553e6bd3217fb5b8e9ef1df389b5c31950555d433932809f1579