[INFO] fetching crate argst 0.1.1...
[INFO] testing argst-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate argst 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate argst 0.1.1 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 crates.io crate argst 0.1.1
[INFO] finished tweaking crates.io crate argst 0.1.1
[INFO] tweaked toml for crates.io crate argst 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0c0a59227a0bd1204f2d0988d7b6dcdbacc913d76c97db845e68e26ef77eb38d
[INFO] running `Command { std: "docker" "start" "-a" "0c0a59227a0bd1204f2d0988d7b6dcdbacc913d76c97db845e68e26ef77eb38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c0a59227a0bd1204f2d0988d7b6dcdbacc913d76c97db845e68e26ef77eb38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c0a59227a0bd1204f2d0988d7b6dcdbacc913d76c97db845e68e26ef77eb38d", kill_on_drop: false }`
[INFO] [stdout] 0c0a59227a0bd1204f2d0988d7b6dcdbacc913d76c97db845e68e26ef77eb38d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2dba3e97eac8fb1bb9796e95dc31d686e023ab6ffd5cb382d32a899068d643d1
[INFO] running `Command { std: "docker" "start" "-a" "2dba3e97eac8fb1bb9796e95dc31d686e023ab6ffd5cb382d32a899068d643d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling argst v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.07s
[INFO] running `Command { std: "docker" "inspect" "2dba3e97eac8fb1bb9796e95dc31d686e023ab6ffd5cb382d32a899068d643d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dba3e97eac8fb1bb9796e95dc31d686e023ab6ffd5cb382d32a899068d643d1", kill_on_drop: false }`
[INFO] [stdout] 2dba3e97eac8fb1bb9796e95dc31d686e023ab6ffd5cb382d32a899068d643d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 27e9343ed3064b178a7a3320dd83f752f53031807821f9c18a279d938d41fe05
[INFO] running `Command { std: "docker" "start" "-a" "27e9343ed3064b178a7a3320dd83f752f53031807821f9c18a279d938d41fe05", kill_on_drop: false }`
[INFO] [stderr]    Compiling argst v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "27e9343ed3064b178a7a3320dd83f752f53031807821f9c18a279d938d41fe05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e9343ed3064b178a7a3320dd83f752f53031807821f9c18a279d938d41fe05", kill_on_drop: false }`
[INFO] [stdout] 27e9343ed3064b178a7a3320dd83f752f53031807821f9c18a279d938d41fe05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 272b73cfff0ced30776f02702285eecb54feb76f2cdc19de0d39917d6ffb8393
[INFO] running `Command { std: "docker" "start" "-a" "272b73cfff0ced30776f02702285eecb54feb76f2cdc19de0d39917d6ffb8393", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argst-c7903597878b9f8b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests argst
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - __unstable__ (line 27) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "272b73cfff0ced30776f02702285eecb54feb76f2cdc19de0d39917d6ffb8393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272b73cfff0ced30776f02702285eecb54feb76f2cdc19de0d39917d6ffb8393", kill_on_drop: false }`
[INFO] [stdout] 272b73cfff0ced30776f02702285eecb54feb76f2cdc19de0d39917d6ffb8393