[INFO] fetching crate file-guard 0.2.0...
[INFO] testing file-guard-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate file-guard 0.2.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate file-guard 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vmap v0.6.2
[INFO] [stderr]   Downloaded system_error v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12d92a863837fcd331ed00f5dd1c2eabf388e17d4d70ccbe2db6a22395c514fa
[INFO] running `Command { std: "docker" "start" "-a" "12d92a863837fcd331ed00f5dd1c2eabf388e17d4d70ccbe2db6a22395c514fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12d92a863837fcd331ed00f5dd1c2eabf388e17d4d70ccbe2db6a22395c514fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12d92a863837fcd331ed00f5dd1c2eabf388e17d4d70ccbe2db6a22395c514fa", kill_on_drop: false }`
[INFO] [stdout] 12d92a863837fcd331ed00f5dd1c2eabf388e17d4d70ccbe2db6a22395c514fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ada323fc9beffaf6955e460de2bdc2be8f700cdae6075eca559bc1c4df8b13fb
[INFO] running `Command { std: "docker" "start" "-a" "ada323fc9beffaf6955e460de2bdc2be8f700cdae6075eca559bc1c4df8b13fb", 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 1.29s
[INFO] running `Command { std: "docker" "inspect" "ada323fc9beffaf6955e460de2bdc2be8f700cdae6075eca559bc1c4df8b13fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada323fc9beffaf6955e460de2bdc2be8f700cdae6075eca559bc1c4df8b13fb", kill_on_drop: false }`
[INFO] [stdout] ada323fc9beffaf6955e460de2bdc2be8f700cdae6075eca559bc1c4df8b13fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0c7e5465bdd7f0abab69f909d2eba1563f204ffd975f73c97c837f5ea827f3b
[INFO] running `Command { std: "docker" "start" "-a" "d0c7e5465bdd7f0abab69f909d2eba1563f204ffd975f73c97c837f5ea827f3b", 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 1.46s
[INFO] running `Command { std: "docker" "inspect" "d0c7e5465bdd7f0abab69f909d2eba1563f204ffd975f73c97c837f5ea827f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0c7e5465bdd7f0abab69f909d2eba1563f204ffd975f73c97c837f5ea827f3b", kill_on_drop: false }`
[INFO] [stdout] d0c7e5465bdd7f0abab69f909d2eba1563f204ffd975f73c97c837f5ea827f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbe6927a0d5342dcc3c57bf99af70299d39a2ee1c86e85fdfd94e951017a4dcb
[INFO] running `Command { std: "docker" "start" "-a" "cbe6927a0d5342dcc3c57bf99af70299d39a2ee1c86e85fdfd94e951017a4dcb", 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-107d4c75e625b5bc)
[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-9ef42b1a89fec0f9)
[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" "cbe6927a0d5342dcc3c57bf99af70299d39a2ee1c86e85fdfd94e951017a4dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe6927a0d5342dcc3c57bf99af70299d39a2ee1c86e85fdfd94e951017a4dcb", kill_on_drop: false }`
[INFO] [stdout] cbe6927a0d5342dcc3c57bf99af70299d39a2ee1c86e85fdfd94e951017a4dcb