[INFO] fetching crate cuckoo 0.8.0...
[INFO] testing cuckoo-0.8.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate cuckoo 0.8.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cuckoo 0.8.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuckoo 0.8.0
[INFO] finished tweaking crates.io crate cuckoo 0.8.0
[INFO] tweaked toml for crates.io crate cuckoo 0.8.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f99b2f6bb7a704973d14a8f8bc5e4b0d317392abc7d0b242db47001b9646b888
[INFO] running `Command { std: "docker" "start" "-a" "f99b2f6bb7a704973d14a8f8bc5e4b0d317392abc7d0b242db47001b9646b888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99b2f6bb7a704973d14a8f8bc5e4b0d317392abc7d0b242db47001b9646b888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99b2f6bb7a704973d14a8f8bc5e4b0d317392abc7d0b242db47001b9646b888", kill_on_drop: false }`
[INFO] [stdout] f99b2f6bb7a704973d14a8f8bc5e4b0d317392abc7d0b242db47001b9646b888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c7fb6132fae9f6301d899e38f0a47d2c21a5f4fb4e90fbcb08fb5f2228404f8
[INFO] running `Command { std: "docker" "start" "-a" "6c7fb6132fae9f6301d899e38f0a47d2c21a5f4fb4e90fbcb08fb5f2228404f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.80s
[INFO] running `Command { std: "docker" "inspect" "6c7fb6132fae9f6301d899e38f0a47d2c21a5f4fb4e90fbcb08fb5f2228404f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7fb6132fae9f6301d899e38f0a47d2c21a5f4fb4e90fbcb08fb5f2228404f8", kill_on_drop: false }`
[INFO] [stdout] 6c7fb6132fae9f6301d899e38f0a47d2c21a5f4fb4e90fbcb08fb5f2228404f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1289a5ae73d200216dca3868948e72075a38f7a92dc83cd7aa6cfc5741d9182d
[INFO] running `Command { std: "docker" "start" "-a" "1289a5ae73d200216dca3868948e72075a38f7a92dc83cd7aa6cfc5741d9182d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling cuckoo v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "1289a5ae73d200216dca3868948e72075a38f7a92dc83cd7aa6cfc5741d9182d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1289a5ae73d200216dca3868948e72075a38f7a92dc83cd7aa6cfc5741d9182d", kill_on_drop: false }`
[INFO] [stdout] 1289a5ae73d200216dca3868948e72075a38f7a92dc83cd7aa6cfc5741d9182d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cf8efda9557228867652606f6c4e66390519b0f078f5b925e834f0ef2baacb79
[INFO] running `Command { std: "docker" "start" "-a" "cf8efda9557228867652606f6c4e66390519b0f078f5b925e834f0ef2baacb79", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cuckoo-4d129edbe37de306)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test tests::sort_algorithm ... ok
[INFO] [stdout] test tests::test_get_best_nest ... ok
[INFO] [stdout] test tests::test_empty_nests ... ok
[INFO] [stdout] test tests::test_get_cuckoos ... ok
[INFO] [stdout] test tests::test_get_pa ... ok
[INFO] [stdout] test tests::test_get_random_parameter ... ok
[INFO] [stdout] test tests::test_get_levy_flight ... ok
[INFO] [stdout] test tests::test_get_levy ... ok
[INFO] [stdout] test tests::simple_fn_optim ... ok
[INFO] [stdout] test tests::test_rosenbrok_function ... ok
[INFO] [stdout] test tests::test_u_2_function ... ok
[INFO] [stderr]    Doc-tests cuckoo
[INFO] [stdout] test tests::test_rastigrin_function ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.72s
[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" "cf8efda9557228867652606f6c4e66390519b0f078f5b925e834f0ef2baacb79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf8efda9557228867652606f6c4e66390519b0f078f5b925e834f0ef2baacb79", kill_on_drop: false }`
[INFO] [stdout] cf8efda9557228867652606f6c4e66390519b0f078f5b925e834f0ef2baacb79