[INFO] crate fslock 0.1.6 is already in cache
[INFO] testing fslock-0.1.6 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate fslock 0.1.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fslock 0.1.6 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 4329922d317e40ad56330c80370fa4e6c5cb3f8ab04dddf5c66d6af9561e634e
[INFO] running `Command { std: "docker" "start" "-a" "4329922d317e40ad56330c80370fa4e6c5cb3f8ab04dddf5c66d6af9561e634e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4329922d317e40ad56330c80370fa4e6c5cb3f8ab04dddf5c66d6af9561e634e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4329922d317e40ad56330c80370fa4e6c5cb3f8ab04dddf5c66d6af9561e634e", kill_on_drop: false }`
[INFO] [stdout] 4329922d317e40ad56330c80370fa4e6c5cb3f8ab04dddf5c66d6af9561e634e
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", 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] 1d8251217ea93fb16a991ff360b6c9645a00bc4f3dba5306f62d3b05c9f539c0
[INFO] running `Command { std: "docker" "start" "-a" "1d8251217ea93fb16a991ff360b6c9645a00bc4f3dba5306f62d3b05c9f539c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling fslock v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1d8251217ea93fb16a991ff360b6c9645a00bc4f3dba5306f62d3b05c9f539c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8251217ea93fb16a991ff360b6c9645a00bc4f3dba5306f62d3b05c9f539c0", kill_on_drop: false }`
[INFO] [stdout] 1d8251217ea93fb16a991ff360b6c9645a00bc4f3dba5306f62d3b05c9f539c0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59b0445baffa762afad1e4d9713394ea0296d2a045f6af7e5fa2067306dc853a
[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" "59b0445baffa762afad1e4d9713394ea0296d2a045f6af7e5fa2067306dc853a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fslock v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "59b0445baffa762afad1e4d9713394ea0296d2a045f6af7e5fa2067306dc853a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59b0445baffa762afad1e4d9713394ea0296d2a045f6af7e5fa2067306dc853a", kill_on_drop: false }`
[INFO] [stdout] 59b0445baffa762afad1e4d9713394ea0296d2a045f6af7e5fa2067306dc853a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7a243e1c477493242d53c4a5e82df561407251e61b1f1822f27d4ed2df11ba0
[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" "c7a243e1c477493242d53c4a5e82df561407251e61b1f1822f27d4ed2df11ba0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fslock-ab5cd22a5bb4d7b5
[INFO] [stderr]    Doc-tests fslock
[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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - LockFile::unlock (line 448) ... ok
[INFO] [stdout] test src/lib.rs - LockFile::open (line 266) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::unlock (line 430) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::owns_lock (line 397) ... 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::lock (line 305) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::try_lock (line 353) ... FAILED
[INFO] [stdout] test src/lib.rs - LockFile::lock (line 323) ... ok
[INFO] [stdout] test src/lib.rs - LockFile (line 237) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[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: Other, 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: Other, 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: Other, 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: Other, 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: Other, 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: Other, message: "Read-only file system" }
[INFO] [stdout] 
[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: Other, 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
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "c7a243e1c477493242d53c4a5e82df561407251e61b1f1822f27d4ed2df11ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a243e1c477493242d53c4a5e82df561407251e61b1f1822f27d4ed2df11ba0", kill_on_drop: false }`
[INFO] [stdout] c7a243e1c477493242d53c4a5e82df561407251e61b1f1822f27d4ed2df11ba0