[INFO] fetching crate rustc-std-workspace-std 1.0.1...
[INFO] testing rustc-std-workspace-std-1.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rustc-std-workspace-std 1.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rustc-std-workspace-std 1.0.1 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 rustc-std-workspace-std 1.0.1
[INFO] finished tweaking crates.io crate rustc-std-workspace-std 1.0.1
[INFO] tweaked toml for crates.io crate rustc-std-workspace-std 1.0.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d8db3b1376d2eebadce3ae4ff0739eb04da7a933bfcbdc3c54c620d69881b711
[INFO] running `Command { std: "docker" "start" "-a" "d8db3b1376d2eebadce3ae4ff0739eb04da7a933bfcbdc3c54c620d69881b711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8db3b1376d2eebadce3ae4ff0739eb04da7a933bfcbdc3c54c620d69881b711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8db3b1376d2eebadce3ae4ff0739eb04da7a933bfcbdc3c54c620d69881b711", kill_on_drop: false }`
[INFO] [stdout] d8db3b1376d2eebadce3ae4ff0739eb04da7a933bfcbdc3c54c620d69881b711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0ba3fd19ea57421ec57b4387e1c47600529834b8cd0b8507612328923bd5dd33
[INFO] running `Command { std: "docker" "start" "-a" "0ba3fd19ea57421ec57b4387e1c47600529834b8cd0b8507612328923bd5dd33", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-std-workspace-std v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0ba3fd19ea57421ec57b4387e1c47600529834b8cd0b8507612328923bd5dd33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba3fd19ea57421ec57b4387e1c47600529834b8cd0b8507612328923bd5dd33", kill_on_drop: false }`
[INFO] [stdout] 0ba3fd19ea57421ec57b4387e1c47600529834b8cd0b8507612328923bd5dd33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f4ff78e6f7e77fd79835bf1c5eced3eee0fb26c1d1cff492d2edf213508bea75
[INFO] running `Command { std: "docker" "start" "-a" "f4ff78e6f7e77fd79835bf1c5eced3eee0fb26c1d1cff492d2edf213508bea75", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-std-workspace-std v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "f4ff78e6f7e77fd79835bf1c5eced3eee0fb26c1d1cff492d2edf213508bea75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ff78e6f7e77fd79835bf1c5eced3eee0fb26c1d1cff492d2edf213508bea75", kill_on_drop: false }`
[INFO] [stdout] f4ff78e6f7e77fd79835bf1c5eced3eee0fb26c1d1cff492d2edf213508bea75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] bc9efbc40b652f46c3b6615736b9629efdf7fb54d135c18e549d859b4f346ed9
[INFO] running `Command { std: "docker" "start" "-a" "bc9efbc40b652f46c3b6615736b9629efdf7fb54d135c18e549d859b4f346ed9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/std-90568b4c6ef3d40d)
[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] [stderr]    Doc-tests std
[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" "bc9efbc40b652f46c3b6615736b9629efdf7fb54d135c18e549d859b4f346ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9efbc40b652f46c3b6615736b9629efdf7fb54d135c18e549d859b4f346ed9", kill_on_drop: false }`
[INFO] [stdout] bc9efbc40b652f46c3b6615736b9629efdf7fb54d135c18e549d859b4f346ed9