[INFO] fetching crate fslock 0.1.6...
[INFO] testing fslock-0.1.6 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fslock 0.1.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fslock 0.1.6 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fslock 0.1.6
[INFO] finished tweaking crates.io crate fslock 0.1.6
[INFO] tweaked toml for crates.io crate fslock 0.1.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11a9cfeb61d5de54d03b34a80168e0bf70b73df0254c6fc615fcf5eacdc10c5a
[INFO] running `Command { std: "docker" "start" "-a" "11a9cfeb61d5de54d03b34a80168e0bf70b73df0254c6fc615fcf5eacdc10c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11a9cfeb61d5de54d03b34a80168e0bf70b73df0254c6fc615fcf5eacdc10c5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11a9cfeb61d5de54d03b34a80168e0bf70b73df0254c6fc615fcf5eacdc10c5a", kill_on_drop: false }`
[INFO] [stdout] 11a9cfeb61d5de54d03b34a80168e0bf70b73df0254c6fc615fcf5eacdc10c5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9954657ff4a4096b32bd8ff276dd50b49b5158ac80fda0086b7a3bee3175875c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9954657ff4a4096b32bd8ff276dd50b49b5158ac80fda0086b7a3bee3175875c", kill_on_drop: false }`
[INFO] [stderr]    Compiling fslock v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "9954657ff4a4096b32bd8ff276dd50b49b5158ac80fda0086b7a3bee3175875c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9954657ff4a4096b32bd8ff276dd50b49b5158ac80fda0086b7a3bee3175875c", kill_on_drop: false }`
[INFO] [stdout] 9954657ff4a4096b32bd8ff276dd50b49b5158ac80fda0086b7a3bee3175875c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64806c8c87b5df7ef3b0fe91dde06ea373e0877e93669c27020ff064c83075a7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "64806c8c87b5df7ef3b0fe91dde06ea373e0877e93669c27020ff064c83075a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling fslock v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "64806c8c87b5df7ef3b0fe91dde06ea373e0877e93669c27020ff064c83075a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64806c8c87b5df7ef3b0fe91dde06ea373e0877e93669c27020ff064c83075a7", kill_on_drop: false }`
[INFO] [stdout] 64806c8c87b5df7ef3b0fe91dde06ea373e0877e93669c27020ff064c83075a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 964b916dc015043c7e5e016f583824b5b0c396dffa5c27cd7d44fccf20008865
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "964b916dc015043c7e5e016f583824b5b0c396dffa5c27cd7d44fccf20008865", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fslock-032819d7fddda83a)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fslock
[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 11 tests
[INFO] [stdout] test src/lib.rs - LockFile::lock (line 323) ... ok
[INFO] [stdout] test src/lib.rs - LockFile (line 237) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::unlock (line 448) ... ok
[INFO] [stdout] test src/lib.rs - LockFile::lock (line 305) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::open (line 278) ... ok
[INFO] [stdout] test src/lib.rs - LockFile::try_lock (line 372) ... ok
[INFO] [stdout] test src/lib.rs - LockFile::open (line 266) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::unlock (line 430) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::try_lock (line 353) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::owns_lock (line 397) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile (line 237) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile::lock (line 305) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile::open (line 266) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile::unlock (line 430) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile::try_lock (line 353) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - LockFile::owns_lock (line 397) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout]     src/lib.rs - LockFile (line 237)
[INFO] [stdout]     src/lib.rs - LockFile::lock (line 305)
[INFO] [stdout]     src/lib.rs - LockFile::open (line 266)
[INFO] [stdout]     src/lib.rs - LockFile::owns_lock (line 397)
[INFO] [stdout]     src/lib.rs - LockFile::try_lock (line 353)
[INFO] [stdout]     src/lib.rs - LockFile::unlock (line 430)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 4 passed; 7 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.44s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "964b916dc015043c7e5e016f583824b5b0c396dffa5c27cd7d44fccf20008865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964b916dc015043c7e5e016f583824b5b0c396dffa5c27cd7d44fccf20008865", kill_on_drop: false }`
[INFO] [stdout] 964b916dc015043c7e5e016f583824b5b0c396dffa5c27cd7d44fccf20008865