[INFO] fetching crate fractal 0.7.1...
[INFO] checking fractal-0.7.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate fractal 0.7.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fractal 0.7.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fractal 0.7.1
[INFO] finished tweaking crates.io crate fractal 0.7.1
[INFO] tweaked toml for crates.io crate fractal 0.7.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded special v0.8.1
[INFO] [stderr]   Downloaded dwt v0.5.2
[INFO] [stderr]   Downloaded statistics v0.4.1
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded assert v0.7.4
[INFO] [stderr]   Downloaded probability v0.17.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e99fa1c40bd5ea6e0220857f3903642589147b9d6f6aa35262abdf74eff325dc
[INFO] running `Command { std: "docker" "start" "-a" "e99fa1c40bd5ea6e0220857f3903642589147b9d6f6aa35262abdf74eff325dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e99fa1c40bd5ea6e0220857f3903642589147b9d6f6aa35262abdf74eff325dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99fa1c40bd5ea6e0220857f3903642589147b9d6f6aa35262abdf74eff325dc", kill_on_drop: false }`
[INFO] [stdout] e99fa1c40bd5ea6e0220857f3903642589147b9d6f6aa35262abdf74eff325dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc782381491d951607318f2767bb190d9daa2cdb9f8ea540dc618f631aed98df
[INFO] running `Command { std: "docker" "start" "-a" "fc782381491d951607318f2767bb190d9daa2cdb9f8ea540dc618f631aed98df", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking statistics v0.4.1
[INFO] [stderr]     Checking assert v0.7.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking special v0.8.1
[INFO] [stderr]     Checking probability v0.17.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking dwt v0.5.2
[INFO] [stderr]     Checking fractal v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "fc782381491d951607318f2767bb190d9daa2cdb9f8ea540dc618f631aed98df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc782381491d951607318f2767bb190d9daa2cdb9f8ea540dc618f631aed98df", kill_on_drop: false }`
[INFO] [stdout] fc782381491d951607318f2767bb190d9daa2cdb9f8ea540dc618f631aed98df