[INFO] fetching crate stem-cell 0.0.2...
[INFO] testing stem-cell-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate stem-cell 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate stem-cell 0.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stem-cell 0.0.2
[INFO] finished tweaking crates.io crate stem-cell 0.0.2
[INFO] tweaked toml for crates.io crate stem-cell 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate stem-cell 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 714dafdd68f6f51c1e2c68a5328d6050af7640412640e11733ae945ca79e95e5
[INFO] running `Command { std: "docker" "start" "-a" "714dafdd68f6f51c1e2c68a5328d6050af7640412640e11733ae945ca79e95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "714dafdd68f6f51c1e2c68a5328d6050af7640412640e11733ae945ca79e95e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "714dafdd68f6f51c1e2c68a5328d6050af7640412640e11733ae945ca79e95e5", kill_on_drop: false }`
[INFO] [stdout] 714dafdd68f6f51c1e2c68a5328d6050af7640412640e11733ae945ca79e95e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f960590381a5dc1da14ad8b2f71cf331cddb0db20d4489be2f2b8e7c81cf5d16
[INFO] running `Command { std: "docker" "start" "-a" "f960590381a5dc1da14ad8b2f71cf331cddb0db20d4489be2f2b8e7c81cf5d16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.72s
[INFO] running `Command { std: "docker" "inspect" "f960590381a5dc1da14ad8b2f71cf331cddb0db20d4489be2f2b8e7c81cf5d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f960590381a5dc1da14ad8b2f71cf331cddb0db20d4489be2f2b8e7c81cf5d16", kill_on_drop: false }`
[INFO] [stdout] f960590381a5dc1da14ad8b2f71cf331cddb0db20d4489be2f2b8e7c81cf5d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70384222934ba5735e1ee435c1841c5f0f34d4b6c233312a47142d2cd9405e9e
[INFO] running `Command { std: "docker" "start" "-a" "70384222934ba5735e1ee435c1841c5f0f34d4b6c233312a47142d2cd9405e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling stem-cell v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "70384222934ba5735e1ee435c1841c5f0f34d4b6c233312a47142d2cd9405e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70384222934ba5735e1ee435c1841c5f0f34d4b6c233312a47142d2cd9405e9e", kill_on_drop: false }`
[INFO] [stdout] 70384222934ba5735e1ee435c1841c5f0f34d4b6c233312a47142d2cd9405e9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 94eae09bcd5242ba07bc5d1f525f28b7720b2f640dc9e4945ca847ad1dc822d4
[INFO] running `Command { std: "docker" "start" "-a" "94eae09bcd5242ba07bc5d1f525f28b7720b2f640dc9e4945ca847ad1dc822d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stem_cell-3956b35e0bf50443)
[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" "94eae09bcd5242ba07bc5d1f525f28b7720b2f640dc9e4945ca847ad1dc822d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94eae09bcd5242ba07bc5d1f525f28b7720b2f640dc9e4945ca847ad1dc822d4", kill_on_drop: false }`
[INFO] [stdout] 94eae09bcd5242ba07bc5d1f525f28b7720b2f640dc9e4945ca847ad1dc822d4