[INFO] fetching crate file-guard 0.2.0...
[INFO] testing file-guard-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate file-guard 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate file-guard 0.2.0
[INFO] finished tweaking crates.io crate file-guard 0.2.0
[INFO] tweaked toml for crates.io crate file-guard 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate file-guard 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate file-guard 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vmap v0.6.2
[INFO] [stderr]   Downloaded system_error v0.2.0
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efbdac4b14c948c42f98eea41ff6ac79c95d1a056d319c4284e1331523f8d635
[INFO] running `Command { std: "docker" "start" "-a" "efbdac4b14c948c42f98eea41ff6ac79c95d1a056d319c4284e1331523f8d635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbdac4b14c948c42f98eea41ff6ac79c95d1a056d319c4284e1331523f8d635", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbdac4b14c948c42f98eea41ff6ac79c95d1a056d319c4284e1331523f8d635", kill_on_drop: false }`
[INFO] [stdout] efbdac4b14c948c42f98eea41ff6ac79c95d1a056d319c4284e1331523f8d635
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14987fe990c1b20f403727d3463993d4d4c5a7675830c4cee1ae5d9c91e5895b
[INFO] running `Command { std: "docker" "start" "-a" "14987fe990c1b20f403727d3463993d4d4c5a7675830c4cee1ae5d9c91e5895b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling file-guard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "14987fe990c1b20f403727d3463993d4d4c5a7675830c4cee1ae5d9c91e5895b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14987fe990c1b20f403727d3463993d4d4c5a7675830c4cee1ae5d9c91e5895b", kill_on_drop: false }`
[INFO] [stdout] 14987fe990c1b20f403727d3463993d4d4c5a7675830c4cee1ae5d9c91e5895b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 935a46a109aeaeaca454c4db6d43a6bb4e114d1020deb714e1659ffff6be4edb
[INFO] running `Command { std: "docker" "start" "-a" "935a46a109aeaeaca454c4db6d43a6bb4e114d1020deb714e1659ffff6be4edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_error v0.2.0
[INFO] [stderr]    Compiling vmap v0.6.2
[INFO] [stderr]    Compiling file-guard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "935a46a109aeaeaca454c4db6d43a6bb4e114d1020deb714e1659ffff6be4edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935a46a109aeaeaca454c4db6d43a6bb4e114d1020deb714e1659ffff6be4edb", kill_on_drop: false }`
[INFO] [stdout] 935a46a109aeaeaca454c4db6d43a6bb4e114d1020deb714e1659ffff6be4edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1a8601e9961defc4ba8a9570ea7dc26e51b72b9065477d5032cf3ba7b6990ca
[INFO] running `Command { std: "docker" "start" "-a" "b1a8601e9961defc4ba8a9570ea7dc26e51b72b9065477d5032cf3ba7b6990ca", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/file_guard-d94f4e123d48c88c)
[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]      Running tests/lock.rs (/opt/rustwide/target/debug/deps/lock-6f59f17d7ebc364c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_lock_any ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_lock_any stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     test_lock_any
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lock`
[INFO] running `Command { std: "docker" "inspect" "b1a8601e9961defc4ba8a9570ea7dc26e51b72b9065477d5032cf3ba7b6990ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a8601e9961defc4ba8a9570ea7dc26e51b72b9065477d5032cf3ba7b6990ca", kill_on_drop: false }`
[INFO] [stdout] b1a8601e9961defc4ba8a9570ea7dc26e51b72b9065477d5032cf3ba7b6990ca