[INFO] fetching crate simplelock 0.4.1...
[INFO] testing simplelock-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simplelock 0.4.1 into /workspace/builds/worker-32/source
[INFO] validating manifest of crates.io crate simplelock 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simplelock 0.4.1
[INFO] finished tweaking crates.io crate simplelock 0.4.1
[INFO] tweaked toml for crates.io crate simplelock 0.4.1 written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate crates.io crate simplelock 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74e3ba311897693877dff6ec1ea8b45f6571a12e4ccbfc49af8c2f4c0af2578a
[INFO] running `Command { std: "docker" "start" "-a" "74e3ba311897693877dff6ec1ea8b45f6571a12e4ccbfc49af8c2f4c0af2578a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74e3ba311897693877dff6ec1ea8b45f6571a12e4ccbfc49af8c2f4c0af2578a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e3ba311897693877dff6ec1ea8b45f6571a12e4ccbfc49af8c2f4c0af2578a", kill_on_drop: false }`
[INFO] [stdout] 74e3ba311897693877dff6ec1ea8b45f6571a12e4ccbfc49af8c2f4c0af2578a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8acfdf8b49668d83d2c4d7ea6b22cd193ff9dad62d256b882f530334d631ef12
[INFO] running `Command { std: "docker" "start" "-a" "8acfdf8b49668d83d2c4d7ea6b22cd193ff9dad62d256b882f530334d631ef12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling thiserror v1.0.22
[INFO] [stderr]    Compiling simplelock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.05s
[INFO] running `Command { std: "docker" "inspect" "8acfdf8b49668d83d2c4d7ea6b22cd193ff9dad62d256b882f530334d631ef12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8acfdf8b49668d83d2c4d7ea6b22cd193ff9dad62d256b882f530334d631ef12", kill_on_drop: false }`
[INFO] [stdout] 8acfdf8b49668d83d2c4d7ea6b22cd193ff9dad62d256b882f530334d631ef12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50cca7ad6bc21d015aa2441f4a770ec1bac2febf6a38b10acf845a794d68b789
[INFO] running `Command { std: "docker" "start" "-a" "50cca7ad6bc21d015aa2441f4a770ec1bac2febf6a38b10acf845a794d68b789", 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] [stderr]    Compiling simplelock v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "50cca7ad6bc21d015aa2441f4a770ec1bac2febf6a38b10acf845a794d68b789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50cca7ad6bc21d015aa2441f4a770ec1bac2febf6a38b10acf845a794d68b789", kill_on_drop: false }`
[INFO] [stdout] 50cca7ad6bc21d015aa2441f4a770ec1bac2febf6a38b10acf845a794d68b789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4caea2eaf97ab1c1dc0dfbcc1aa8b4adf50621b7a4cb0216e1c9175596d8d59b
[INFO] running `Command { std: "docker" "start" "-a" "4caea2eaf97ab1c1dc0dfbcc1aa8b4adf50621b7a4cb0216e1c9175596d8d59b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simplelock-e067c62e6527a6c4)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simplelock
[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 3 tests
[INFO] [stdout] test src/util.rs - util::default_lock (line 81) ... FAILED
[INFO] [stdout] test src/util.rs - util::lock_until_finished (line 13) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 35) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/util.rs - util::default_lock (line 81) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NoLockEnabled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/util.rs - util::lock_until_finished (line 13) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NoLockEnabled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 35) stdout ----
[INFO] [stdout] Test executable failed (exit code 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: NoLockEnabled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 35)
[INFO] [stdout]     src/util.rs - util::default_lock (line 81)
[INFO] [stdout]     src/util.rs - util::lock_until_finished (line 13)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "4caea2eaf97ab1c1dc0dfbcc1aa8b4adf50621b7a4cb0216e1c9175596d8d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4caea2eaf97ab1c1dc0dfbcc1aa8b4adf50621b7a4cb0216e1c9175596d8d59b", kill_on_drop: false }`
[INFO] [stdout] 4caea2eaf97ab1c1dc0dfbcc1aa8b4adf50621b7a4cb0216e1c9175596d8d59b