[INFO] fetching crate vertreap 0.1.0-pre.0...
[INFO] testing vertreap-0.1.0-pre.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate vertreap 0.1.0-pre.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate vertreap 0.1.0-pre.0 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 vertreap 0.1.0-pre.0
[INFO] finished tweaking crates.io crate vertreap 0.1.0-pre.0
[INFO] tweaked toml for crates.io crate vertreap 0.1.0-pre.0 written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 4ae427c0d8e3f8a553cb2dbb0bb0cdc93ed96e86c2b9c8832adac0ebb21fbb5d
[INFO] running `Command { std: "docker" "start" "-a" "4ae427c0d8e3f8a553cb2dbb0bb0cdc93ed96e86c2b9c8832adac0ebb21fbb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ae427c0d8e3f8a553cb2dbb0bb0cdc93ed96e86c2b9c8832adac0ebb21fbb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ae427c0d8e3f8a553cb2dbb0bb0cdc93ed96e86c2b9c8832adac0ebb21fbb5d", kill_on_drop: false }`
[INFO] [stdout] 4ae427c0d8e3f8a553cb2dbb0bb0cdc93ed96e86c2b9c8832adac0ebb21fbb5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 132a75155e8ea1c76822da42e40f1c6d9cf902821a474fca90db6815b4b78713
[INFO] running `Command { std: "docker" "start" "-a" "132a75155e8ea1c76822da42e40f1c6d9cf902821a474fca90db6815b4b78713", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling vertreap v0.1.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "132a75155e8ea1c76822da42e40f1c6d9cf902821a474fca90db6815b4b78713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132a75155e8ea1c76822da42e40f1c6d9cf902821a474fca90db6815b4b78713", kill_on_drop: false }`
[INFO] [stdout] 132a75155e8ea1c76822da42e40f1c6d9cf902821a474fca90db6815b4b78713
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] a3a06ceee7a8b9aeb9ed5faaec6202ff4038c53220b20bfd06fdd7beeeac368b
[INFO] running `Command { std: "docker" "start" "-a" "a3a06ceee7a8b9aeb9ed5faaec6202ff4038c53220b20bfd06fdd7beeeac368b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vertreap v0.1.0-pre.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "a3a06ceee7a8b9aeb9ed5faaec6202ff4038c53220b20bfd06fdd7beeeac368b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3a06ceee7a8b9aeb9ed5faaec6202ff4038c53220b20bfd06fdd7beeeac368b", kill_on_drop: false }`
[INFO] [stdout] a3a06ceee7a8b9aeb9ed5faaec6202ff4038c53220b20bfd06fdd7beeeac368b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 9077d507c0548317a58cd1afb6f6fa39f2ec36d361235f9c15cf8819fa320b35
[INFO] running `Command { std: "docker" "start" "-a" "9077d507c0548317a58cd1afb6f6fa39f2ec36d361235f9c15cf8819fa320b35", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vertreap-cc340964f1d28e73)
[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] [stderr]    Doc-tests vertreap
[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" "9077d507c0548317a58cd1afb6f6fa39f2ec36d361235f9c15cf8819fa320b35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9077d507c0548317a58cd1afb6f6fa39f2ec36d361235f9c15cf8819fa320b35", kill_on_drop: false }`
[INFO] [stdout] 9077d507c0548317a58cd1afb6f6fa39f2ec36d361235f9c15cf8819fa320b35