[INFO] fetching crate intermittent 0.0.1...
[INFO] testing intermittent-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate intermittent 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate intermittent 0.0.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate intermittent 0.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate intermittent 0.0.1
[INFO] tweaked toml for crates.io crate intermittent 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be1b6762dbd35b3aa48a9324a22c97159da2226623be15b2a79755fe9af8e100
[INFO] running `Command { std: "docker" "start" "-a" "be1b6762dbd35b3aa48a9324a22c97159da2226623be15b2a79755fe9af8e100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be1b6762dbd35b3aa48a9324a22c97159da2226623be15b2a79755fe9af8e100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1b6762dbd35b3aa48a9324a22c97159da2226623be15b2a79755fe9af8e100", kill_on_drop: false }`
[INFO] [stdout] be1b6762dbd35b3aa48a9324a22c97159da2226623be15b2a79755fe9af8e100
[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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9d39d0d9804fd5c540633f47a0036891922f5e513c1dc85a623d1db773d6df
[INFO] running `Command { std: "docker" "start" "-a" "bc9d39d0d9804fd5c540633f47a0036891922f5e513c1dc85a623d1db773d6df", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling intermittent v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.47s
[INFO] running `Command { std: "docker" "inspect" "bc9d39d0d9804fd5c540633f47a0036891922f5e513c1dc85a623d1db773d6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9d39d0d9804fd5c540633f47a0036891922f5e513c1dc85a623d1db773d6df", kill_on_drop: false }`
[INFO] [stdout] bc9d39d0d9804fd5c540633f47a0036891922f5e513c1dc85a623d1db773d6df
[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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b6a08044ba35de4053a44710eb565b90cc5627c4a9320e0c517adfc072308a2
[INFO] running `Command { std: "docker" "start" "-a" "3b6a08044ba35de4053a44710eb565b90cc5627c4a9320e0c517adfc072308a2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling trybuild v1.0.56
[INFO] [stderr]    Compiling dissimilar v1.0.3
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling intermittent v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.49s
[INFO] running `Command { std: "docker" "inspect" "3b6a08044ba35de4053a44710eb565b90cc5627c4a9320e0c517adfc072308a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b6a08044ba35de4053a44710eb565b90cc5627c4a9320e0c517adfc072308a2", kill_on_drop: false }`
[INFO] [stdout] 3b6a08044ba35de4053a44710eb565b90cc5627c4a9320e0c517adfc072308a2
[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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bd0e20e2ce93e34f3bc282ea541c72ec8baa380573987e25e70c8116c5f324e
[INFO] running `Command { std: "docker" "start" "-a" "1bd0e20e2ce93e34f3bc282ea541c72ec8baa380573987e25e70c8116c5f324e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/intermittent-35fe66b7a1ba2fd5)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/progress.rs (/opt/rustwide/target/debug/deps/tests-e2a7ee3785bbddb3)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests intermittent
[INFO] [stdout] 
[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] [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] running `Command { std: "docker" "inspect" "1bd0e20e2ce93e34f3bc282ea541c72ec8baa380573987e25e70c8116c5f324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd0e20e2ce93e34f3bc282ea541c72ec8baa380573987e25e70c8116c5f324e", kill_on_drop: false }`
[INFO] [stdout] 1bd0e20e2ce93e34f3bc282ea541c72ec8baa380573987e25e70c8116c5f324e