[INFO] fetching crate irust 1.24.0...
[INFO] testing irust-1.24.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate irust 1.24.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate irust 1.24.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irust 1.24.0
[INFO] finished tweaking crates.io crate irust 1.24.0
[INFO] tweaked toml for crates.io crate irust 1.24.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate irust 1.24.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6400c4d6bbf89a391ee1a2a651712f6f809276a4cc033e40ce8775d13ff01d5e
[INFO] running `Command { std: "docker" "start" "-a" "6400c4d6bbf89a391ee1a2a651712f6f809276a4cc033e40ce8775d13ff01d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6400c4d6bbf89a391ee1a2a651712f6f809276a4cc033e40ce8775d13ff01d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6400c4d6bbf89a391ee1a2a651712f6f809276a4cc033e40ce8775d13ff01d5e", kill_on_drop: false }`
[INFO] [stdout] 6400c4d6bbf89a391ee1a2a651712f6f809276a4cc033e40ce8775d13ff01d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f62333de112bedfb76e530eb6654c99c7f53e6c8b69a662ac0ab8f146f41905
[INFO] running `Command { std: "docker" "start" "-a" "9f62333de112bedfb76e530eb6654c99c7f53e6c8b69a662ac0ab8f146f41905", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.22.0
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling signal-hook-mio v0.2.1
[INFO] [stderr]    Compiling crossterm v0.20.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling irust_repl v0.7.1
[INFO] [stderr]    Compiling rscript v0.10.0
[INFO] [stderr]    Compiling printer v0.2.11
[INFO] [stderr]    Compiling irust_api v0.19.0
[INFO] [stderr]    Compiling irust v1.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.26s
[INFO] running `Command { std: "docker" "inspect" "9f62333de112bedfb76e530eb6654c99c7f53e6c8b69a662ac0ab8f146f41905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f62333de112bedfb76e530eb6654c99c7f53e6c8b69a662ac0ab8f146f41905", kill_on_drop: false }`
[INFO] [stdout] 9f62333de112bedfb76e530eb6654c99c7f53e6c8b69a662ac0ab8f146f41905
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcabfb6e4379db400cd246db1781c02c3ba6663bb22404642169b8f012c28ce
[INFO] running `Command { std: "docker" "start" "-a" "9bcabfb6e4379db400cd246db1781c02c3ba6663bb22404642169b8f012c28ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling irust v1.24.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "9bcabfb6e4379db400cd246db1781c02c3ba6663bb22404642169b8f012c28ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcabfb6e4379db400cd246db1781c02c3ba6663bb22404642169b8f012c28ce", kill_on_drop: false }`
[INFO] [stdout] 9bcabfb6e4379db400cd246db1781c02c3ba6663bb22404642169b8f012c28ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdd5e696d14ba298dc540ead2962c6b64934a83eaaaac6798e4b2d8c86c5f106
[INFO] running `Command { std: "docker" "start" "-a" "fdd5e696d14ba298dc540ead2962c6b64934a83eaaaac6798e4b2d8c86c5f106", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irust-cd6f0ea9b4fa8778)
[INFO] [stdout] running 1 test
[INFO] [stdout] test utils::split_args_test ... 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] running `Command { std: "docker" "inspect" "fdd5e696d14ba298dc540ead2962c6b64934a83eaaaac6798e4b2d8c86c5f106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd5e696d14ba298dc540ead2962c6b64934a83eaaaac6798e4b2d8c86c5f106", kill_on_drop: false }`
[INFO] [stdout] fdd5e696d14ba298dc540ead2962c6b64934a83eaaaac6798e4b2d8c86c5f106