[INFO] fetching crate snafu-upgrade-assistant 1.0.0...
[INFO] testing snafu-upgrade-assistant-1.0.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate snafu-upgrade-assistant 1.0.0 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate snafu-upgrade-assistant 1.0.0 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] removed /workspace/builds/worker-16/source/rust-toolchain
[INFO] started tweaking crates.io crate snafu-upgrade-assistant 1.0.0
[INFO] finished tweaking crates.io crate snafu-upgrade-assistant 1.0.0
[INFO] tweaked toml for crates.io crate snafu-upgrade-assistant 1.0.0 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate snafu-upgrade-assistant 1.0.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded argh_shared v0.1.6
[INFO] [stderr]   Downloaded argh_derive v0.1.6
[INFO] [stderr]   Downloaded argh v0.1.6
[INFO] [stderr]   Downloaded serde_json v1.0.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] bbf11c676259e23df98bbc808b70c60955154484f8b3802eb2359ecd192c2845
[INFO] running `Command { std: "docker" "start" "-a" "bbf11c676259e23df98bbc808b70c60955154484f8b3802eb2359ecd192c2845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbf11c676259e23df98bbc808b70c60955154484f8b3802eb2359ecd192c2845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbf11c676259e23df98bbc808b70c60955154484f8b3802eb2359ecd192c2845", kill_on_drop: false }`
[INFO] [stdout] bbf11c676259e23df98bbc808b70c60955154484f8b3802eb2359ecd192c2845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 193263ecfcd7b67537ef8bb25617ca2311cad1554e2b46e3e2dc9835880548d6
[INFO] running `Command { std: "docker" "start" "-a" "193263ecfcd7b67537ef8bb25617ca2311cad1554e2b46e3e2dc9835880548d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling argh v0.1.6
[INFO] [stderr]    Compiling snafu-upgrade-assistant v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.74s
[INFO] running `Command { std: "docker" "inspect" "193263ecfcd7b67537ef8bb25617ca2311cad1554e2b46e3e2dc9835880548d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193263ecfcd7b67537ef8bb25617ca2311cad1554e2b46e3e2dc9835880548d6", kill_on_drop: false }`
[INFO] [stdout] 193263ecfcd7b67537ef8bb25617ca2311cad1554e2b46e3e2dc9835880548d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 76a4a917c98f190836a7047b3340294d2ee4293353c8858ce393cb44f2bc5ea2
[INFO] running `Command { std: "docker" "start" "-a" "76a4a917c98f190836a7047b3340294d2ee4293353c8858ce393cb44f2bc5ea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling snafu-upgrade-assistant v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "76a4a917c98f190836a7047b3340294d2ee4293353c8858ce393cb44f2bc5ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a4a917c98f190836a7047b3340294d2ee4293353c8858ce393cb44f2bc5ea2", kill_on_drop: false }`
[INFO] [stdout] 76a4a917c98f190836a7047b3340294d2ee4293353c8858ce393cb44f2bc5ea2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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] 181a4d93fb252b75375d9e238d2722a0afe31a0f823a5c85b1cd981c40e96faa
[INFO] running `Command { std: "docker" "start" "-a" "181a4d93fb252b75375d9e238d2722a0afe31a0f823a5c85b1cd981c40e96faa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snafu_upgrade_assistant-5a211d3d018a6237)
[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" "181a4d93fb252b75375d9e238d2722a0afe31a0f823a5c85b1cd981c40e96faa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "181a4d93fb252b75375d9e238d2722a0afe31a0f823a5c85b1cd981c40e96faa", kill_on_drop: false }`
[INFO] [stdout] 181a4d93fb252b75375d9e238d2722a0afe31a0f823a5c85b1cd981c40e96faa