[INFO] fetching crate stem-cell 0.0.8...
[INFO] testing stem-cell-0.0.8 against 1.91.0 for beta-1.92-2
[INFO] extracting crate stem-cell 0.0.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate stem-cell 0.0.8
[INFO] finished tweaking crates.io crate stem-cell 0.0.8
[INFO] tweaked toml for crates.io crate stem-cell 0.0.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stem-cell 0.0.8 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] crate crates.io crate stem-cell 0.0.8 already has a lockfile, it will not be regenerated
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 39510fc0e6acf518f1e322dd152d9cccd022490a5382bc058a1cecc46bf59ca3
[INFO] running `Command { std: "docker" "start" "-a" "39510fc0e6acf518f1e322dd152d9cccd022490a5382bc058a1cecc46bf59ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39510fc0e6acf518f1e322dd152d9cccd022490a5382bc058a1cecc46bf59ca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39510fc0e6acf518f1e322dd152d9cccd022490a5382bc058a1cecc46bf59ca3", kill_on_drop: false }`
[INFO] [stdout] 39510fc0e6acf518f1e322dd152d9cccd022490a5382bc058a1cecc46bf59ca3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 49478ae3f1bb4fed33b784a2632732ba376d9b6e1f57a09014232aea318bde03
[INFO] running `Command { std: "docker" "start" "-a" "49478ae3f1bb4fed33b784a2632732ba376d9b6e1f57a09014232aea318bde03", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling stem-cell v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.01s
[INFO] running `Command { std: "docker" "inspect" "49478ae3f1bb4fed33b784a2632732ba376d9b6e1f57a09014232aea318bde03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49478ae3f1bb4fed33b784a2632732ba376d9b6e1f57a09014232aea318bde03", kill_on_drop: false }`
[INFO] [stdout] 49478ae3f1bb4fed33b784a2632732ba376d9b6e1f57a09014232aea318bde03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 348c55d9d9724d713bb687f28fcf7d274a2ea5f192c6e53313113f6ebdf00044
[INFO] running `Command { std: "docker" "start" "-a" "348c55d9d9724d713bb687f28fcf7d274a2ea5f192c6e53313113f6ebdf00044", kill_on_drop: false }`
[INFO] [stderr]    Compiling stem-cell v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "348c55d9d9724d713bb687f28fcf7d274a2ea5f192c6e53313113f6ebdf00044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "348c55d9d9724d713bb687f28fcf7d274a2ea5f192c6e53313113f6ebdf00044", kill_on_drop: false }`
[INFO] [stdout] 348c55d9d9724d713bb687f28fcf7d274a2ea5f192c6e53313113f6ebdf00044
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 229f18ce9110c29b4b7febf9d685733d4b1ef74a689557ab4a9c43b9177e96cb
[INFO] running `Command { std: "docker" "start" "-a" "229f18ce9110c29b4b7febf9d685733d4b1ef74a689557ab4a9c43b9177e96cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stem_cell-68caac5a39bc8800)
[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" "229f18ce9110c29b4b7febf9d685733d4b1ef74a689557ab4a9c43b9177e96cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229f18ce9110c29b4b7febf9d685733d4b1ef74a689557ab4a9c43b9177e96cb", kill_on_drop: false }`
[INFO] [stdout] 229f18ce9110c29b4b7febf9d685733d4b1ef74a689557ab4a9c43b9177e96cb