[INFO] fetching crate formal_spec 0.0.1...
[INFO] testing formal_spec-0.0.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate formal_spec 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate formal_spec 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 formal_spec 0.0.1
[INFO] finished tweaking crates.io crate formal_spec 0.0.1
[INFO] tweaked toml for crates.io crate formal_spec 0.0.1 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed3b2669a7db482cfa72a1e16f8ae798de9173784746093477875ef87669d6a0
[INFO] running `Command { std: "docker" "start" "-a" "ed3b2669a7db482cfa72a1e16f8ae798de9173784746093477875ef87669d6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed3b2669a7db482cfa72a1e16f8ae798de9173784746093477875ef87669d6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed3b2669a7db482cfa72a1e16f8ae798de9173784746093477875ef87669d6a0", kill_on_drop: false }`
[INFO] [stdout] ed3b2669a7db482cfa72a1e16f8ae798de9173784746093477875ef87669d6a0
[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=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] 74076b6dd1cfaa2ec59b4a40fb5d838c973605c1966d8af2e072dd155acd87b8
[INFO] running `Command { std: "docker" "start" "-a" "74076b6dd1cfaa2ec59b4a40fb5d838c973605c1966d8af2e072dd155acd87b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling formal_spec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.36s
[INFO] running `Command { std: "docker" "inspect" "74076b6dd1cfaa2ec59b4a40fb5d838c973605c1966d8af2e072dd155acd87b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74076b6dd1cfaa2ec59b4a40fb5d838c973605c1966d8af2e072dd155acd87b8", kill_on_drop: false }`
[INFO] [stdout] 74076b6dd1cfaa2ec59b4a40fb5d838c973605c1966d8af2e072dd155acd87b8
[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=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] 52c47eacf0625a259877d9d330b976c6cba01d6fafa206943ddeef9e54006b71
[INFO] running `Command { std: "docker" "start" "-a" "52c47eacf0625a259877d9d330b976c6cba01d6fafa206943ddeef9e54006b71", kill_on_drop: false }`
[INFO] [stderr]    Compiling formal_spec v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "52c47eacf0625a259877d9d330b976c6cba01d6fafa206943ddeef9e54006b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52c47eacf0625a259877d9d330b976c6cba01d6fafa206943ddeef9e54006b71", kill_on_drop: false }`
[INFO] [stdout] 52c47eacf0625a259877d9d330b976c6cba01d6fafa206943ddeef9e54006b71
[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=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] b773d3d3e361b6f3eef8bdd76a582fdf6ff3ec52dc8302728fc84d9c0467598a
[INFO] running `Command { std: "docker" "start" "-a" "b773d3d3e361b6f3eef8bdd76a582fdf6ff3ec52dc8302728fc84d9c0467598a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/formal_spec-ba1d147987c5fbce)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests formal_spec
[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" "b773d3d3e361b6f3eef8bdd76a582fdf6ff3ec52dc8302728fc84d9c0467598a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b773d3d3e361b6f3eef8bdd76a582fdf6ff3ec52dc8302728fc84d9c0467598a", kill_on_drop: false }`
[INFO] [stdout] b773d3d3e361b6f3eef8bdd76a582fdf6ff3ec52dc8302728fc84d9c0467598a