[INFO] fetching crate fractal 0.7.1...
[INFO] testing fractal-0.7.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate fractal 0.7.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate fractal 0.7.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df16321ef9efa055502bf17442b6e0755cc905d12f83d4ab6482acf4ad5b6f6
[INFO] running `Command { std: "docker" "start" "-a" "8df16321ef9efa055502bf17442b6e0755cc905d12f83d4ab6482acf4ad5b6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df16321ef9efa055502bf17442b6e0755cc905d12f83d4ab6482acf4ad5b6f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df16321ef9efa055502bf17442b6e0755cc905d12f83d4ab6482acf4ad5b6f6", kill_on_drop: false }`
[INFO] [stdout] 8df16321ef9efa055502bf17442b6e0755cc905d12f83d4ab6482acf4ad5b6f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c1693d6e91fc25e929c3752158647be613d7280a5e0eb29ffca75c4f6d5a0e6
[INFO] running `Command { std: "docker" "start" "-a" "1c1693d6e91fc25e929c3752158647be613d7280a5e0eb29ffca75c4f6d5a0e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling statistics v0.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling special v0.8.1
[INFO] [stderr]    Compiling probability v0.17.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling dwt v0.5.2
[INFO] [stderr]    Compiling fractal v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "1c1693d6e91fc25e929c3752158647be613d7280a5e0eb29ffca75c4f6d5a0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c1693d6e91fc25e929c3752158647be613d7280a5e0eb29ffca75c4f6d5a0e6", kill_on_drop: false }`
[INFO] [stdout] 1c1693d6e91fc25e929c3752158647be613d7280a5e0eb29ffca75c4f6d5a0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40107e54cfafbd9bb314a8b8127f2917d5cbcb7b3096a6a51dbad2abd93710ea
[INFO] running `Command { std: "docker" "start" "-a" "40107e54cfafbd9bb314a8b8127f2917d5cbcb7b3096a6a51dbad2abd93710ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling assert v0.7.4
[INFO] [stderr]    Compiling fractal v0.7.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "40107e54cfafbd9bb314a8b8127f2917d5cbcb7b3096a6a51dbad2abd93710ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40107e54cfafbd9bb314a8b8127f2917d5cbcb7b3096a6a51dbad2abd93710ea", kill_on_drop: false }`
[INFO] [stdout] 40107e54cfafbd9bb314a8b8127f2917d5cbcb7b3096a6a51dbad2abd93710ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f991c205eacb45e631a871dbcd784ff7918d66d2af0014da40203b7b4a2fa514
[INFO] running `Command { std: "docker" "start" "-a" "f991c205eacb45e631a871dbcd784ff7918d66d2af0014da40203b7b4a2fa514", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fractal-e6062baf0b62daca)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::sample ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fractal
[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" "f991c205eacb45e631a871dbcd784ff7918d66d2af0014da40203b7b4a2fa514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f991c205eacb45e631a871dbcd784ff7918d66d2af0014da40203b7b4a2fa514", kill_on_drop: false }`
[INFO] [stdout] f991c205eacb45e631a871dbcd784ff7918d66d2af0014da40203b7b4a2fa514