[INFO] fetching crate skipfield 0.1.0-alpha...
[INFO] testing skipfield-0.1.0-alpha against 1.91.0 for beta-1.92-2
[INFO] extracting crate skipfield 0.1.0-alpha into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate skipfield 0.1.0-alpha
[INFO] finished tweaking crates.io crate skipfield 0.1.0-alpha
[INFO] tweaked toml for crates.io crate skipfield 0.1.0-alpha written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate skipfield 0.1.0-alpha on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc007ce255995d5746cde68777f1fe14134c6e27535063c31feb83a083c90a69
[INFO] running `Command { std: "docker" "start" "-a" "dc007ce255995d5746cde68777f1fe14134c6e27535063c31feb83a083c90a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc007ce255995d5746cde68777f1fe14134c6e27535063c31feb83a083c90a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc007ce255995d5746cde68777f1fe14134c6e27535063c31feb83a083c90a69", kill_on_drop: false }`
[INFO] [stdout] dc007ce255995d5746cde68777f1fe14134c6e27535063c31feb83a083c90a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82cdf64fc94ecd9843f3c958437d708f6d0a0301a09d13d2dcb4d6dd27d3fd1f
[INFO] running `Command { std: "docker" "start" "-a" "82cdf64fc94ecd9843f3c958437d708f6d0a0301a09d13d2dcb4d6dd27d3fd1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling skipfield v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "82cdf64fc94ecd9843f3c958437d708f6d0a0301a09d13d2dcb4d6dd27d3fd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82cdf64fc94ecd9843f3c958437d708f6d0a0301a09d13d2dcb4d6dd27d3fd1f", kill_on_drop: false }`
[INFO] [stdout] 82cdf64fc94ecd9843f3c958437d708f6d0a0301a09d13d2dcb4d6dd27d3fd1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef390f6671ea1897dddf74701a015aac128635cfd32ce61f424a2a15b69d04d
[INFO] running `Command { std: "docker" "start" "-a" "aef390f6671ea1897dddf74701a015aac128635cfd32ce61f424a2a15b69d04d", kill_on_drop: false }`
[INFO] [stderr]    Compiling skipfield v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "aef390f6671ea1897dddf74701a015aac128635cfd32ce61f424a2a15b69d04d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef390f6671ea1897dddf74701a015aac128635cfd32ce61f424a2a15b69d04d", kill_on_drop: false }`
[INFO] [stdout] aef390f6671ea1897dddf74701a015aac128635cfd32ce61f424a2a15b69d04d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a3025b6fa537d4dce8299567c620137025313c715c902521e3c2a34ac5599bca
[INFO] running `Command { std: "docker" "start" "-a" "a3025b6fa537d4dce8299567c620137025313c715c902521e3c2a34ac5599bca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skipfield-1610edc2afcd9c68)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests skipfield
[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 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" "a3025b6fa537d4dce8299567c620137025313c715c902521e3c2a34ac5599bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3025b6fa537d4dce8299567c620137025313c715c902521e3c2a34ac5599bca", kill_on_drop: false }`
[INFO] [stdout] a3025b6fa537d4dce8299567c620137025313c715c902521e3c2a34ac5599bca