[INFO] fetching crate scratch 1.0.0...
[INFO] testing scratch-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate scratch 1.0.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate scratch 1.0.0 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 scratch 1.0.0
[INFO] finished tweaking crates.io crate scratch 1.0.0
[INFO] tweaked toml for crates.io crate scratch 1.0.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 39ba3757d2b46b92a9fe607ddb138a0b05c5cfb764555ab5c1b23c93775f1fa4
[INFO] running `Command { std: "docker" "start" "-a" "39ba3757d2b46b92a9fe607ddb138a0b05c5cfb764555ab5c1b23c93775f1fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ba3757d2b46b92a9fe607ddb138a0b05c5cfb764555ab5c1b23c93775f1fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ba3757d2b46b92a9fe607ddb138a0b05c5cfb764555ab5c1b23c93775f1fa4", kill_on_drop: false }`
[INFO] [stdout] 39ba3757d2b46b92a9fe607ddb138a0b05c5cfb764555ab5c1b23c93775f1fa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 3338f54fc7b40579d381498711452088183d8c7021a161a0a4572542450483fa
[INFO] running `Command { std: "docker" "start" "-a" "3338f54fc7b40579d381498711452088183d8c7021a161a0a4572542450483fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling scratch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3338f54fc7b40579d381498711452088183d8c7021a161a0a4572542450483fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3338f54fc7b40579d381498711452088183d8c7021a161a0a4572542450483fa", kill_on_drop: false }`
[INFO] [stdout] 3338f54fc7b40579d381498711452088183d8c7021a161a0a4572542450483fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 65702e5f2b5cf965accfad847e909202f7f17fe8873007c059d61df3b638adce
[INFO] running `Command { std: "docker" "start" "-a" "65702e5f2b5cf965accfad847e909202f7f17fe8873007c059d61df3b638adce", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling scratch v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "65702e5f2b5cf965accfad847e909202f7f17fe8873007c059d61df3b638adce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65702e5f2b5cf965accfad847e909202f7f17fe8873007c059d61df3b638adce", kill_on_drop: false }`
[INFO] [stdout] 65702e5f2b5cf965accfad847e909202f7f17fe8873007c059d61df3b638adce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] beb2d59bd6da396b3b325ec9bb7ba1d9ef94fab716f2908489c4af853fd67bf5
[INFO] running `Command { std: "docker" "start" "-a" "beb2d59bd6da396b3b325ec9bb7ba1d9ef94fab716f2908489c4af853fd67bf5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scratch-07fcf0d3fbadc22c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scratch
[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 3 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.57s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "beb2d59bd6da396b3b325ec9bb7ba1d9ef94fab716f2908489c4af853fd67bf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb2d59bd6da396b3b325ec9bb7ba1d9ef94fab716f2908489c4af853fd67bf5", kill_on_drop: false }`
[INFO] [stdout] beb2d59bd6da396b3b325ec9bb7ba1d9ef94fab716f2908489c4af853fd67bf5