[INFO] fetching crate testfile 0.0.4...
[INFO] testing testfile-0.0.4 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate testfile 0.0.4 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate testfile 0.0.4 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 testfile 0.0.4
[INFO] finished tweaking crates.io crate testfile 0.0.4
[INFO] tweaked toml for crates.io crate testfile 0.0.4 written to /workspace/builds/worker-40/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 9d23a520f1a91c48f62689a12787d4b0d387bdcd9ba7ec76c827984489f90566
[INFO] running `Command { std: "docker" "start" "-a" "9d23a520f1a91c48f62689a12787d4b0d387bdcd9ba7ec76c827984489f90566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d23a520f1a91c48f62689a12787d4b0d387bdcd9ba7ec76c827984489f90566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d23a520f1a91c48f62689a12787d4b0d387bdcd9ba7ec76c827984489f90566", kill_on_drop: false }`
[INFO] [stdout] 9d23a520f1a91c48f62689a12787d4b0d387bdcd9ba7ec76c827984489f90566
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] af3f529db84f8192977c4d091bda7cdc6adc7dc794faea707172880ab6fbfdf4
[INFO] running `Command { std: "docker" "start" "-a" "af3f529db84f8192977c4d091bda7cdc6adc7dc794faea707172880ab6fbfdf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling testfile v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.79s
[INFO] running `Command { std: "docker" "inspect" "af3f529db84f8192977c4d091bda7cdc6adc7dc794faea707172880ab6fbfdf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af3f529db84f8192977c4d091bda7cdc6adc7dc794faea707172880ab6fbfdf4", kill_on_drop: false }`
[INFO] [stdout] af3f529db84f8192977c4d091bda7cdc6adc7dc794faea707172880ab6fbfdf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] c4976c8ebb840cc97bd1fcc8577aa802b83d83f6d619fa20bdc0efa48e670823
[INFO] running `Command { std: "docker" "start" "-a" "c4976c8ebb840cc97bd1fcc8577aa802b83d83f6d619fa20bdc0efa48e670823", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling testfile v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 16.33s
[INFO] running `Command { std: "docker" "inspect" "c4976c8ebb840cc97bd1fcc8577aa802b83d83f6d619fa20bdc0efa48e670823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4976c8ebb840cc97bd1fcc8577aa802b83d83f6d619fa20bdc0efa48e670823", kill_on_drop: false }`
[INFO] [stdout] c4976c8ebb840cc97bd1fcc8577aa802b83d83f6d619fa20bdc0efa48e670823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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] 75b62dcac141543b1f9e81edb5fbf41ab22872946cb0f81ee5cbfcdacb7d72e1
[INFO] running `Command { std: "docker" "start" "-a" "75b62dcac141543b1f9e81edb5fbf41ab22872946cb0f81ee5cbfcdacb7d72e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/testfile-77cd508ef2ef75af)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::deref::canBeDereferencedAsWritableFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsFile ... ok
[INFO] [stdout] test tests::deref::canBeDereferencedAsFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsMutableTestFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsPath ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsRead ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsPathBuf ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsWritableFile ... ok
[INFO] [stdout] test tests::deref::canBeReferencedAsWrite ... ok
[INFO] [stdout] test tests::flushTest ... ok
[INFO] [stdout] test tests::testFileCleanup ... ok
[INFO] [stdout] test tests::flushTestWithInnerBuffer ... ok
[INFO] [stdout] test tests::testEmptyFile ... ok
[INFO] [stdout] test tests::testFromFile ... ok
[INFO] [stdout] test tests::testFromStr ... ok
[INFO] [stdout] test tests::testGenerateName ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests testfile
[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" "75b62dcac141543b1f9e81edb5fbf41ab22872946cb0f81ee5cbfcdacb7d72e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b62dcac141543b1f9e81edb5fbf41ab22872946cb0f81ee5cbfcdacb7d72e1", kill_on_drop: false }`
[INFO] [stdout] 75b62dcac141543b1f9e81edb5fbf41ab22872946cb0f81ee5cbfcdacb7d72e1