[INFO] fetching crate bolero 0.6.0...
[INFO] testing bolero-0.6.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate bolero 0.6.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bolero 0.6.0 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 bolero 0.6.0
[INFO] finished tweaking crates.io crate bolero 0.6.0
[INFO] tweaked toml for crates.io crate bolero 0.6.0 written to /workspace/builds/worker-8/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] e92fc8c65078638b13e3f91c5d9e3d077a90e1f594f9746ece2f3b4785e34ddf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e92fc8c65078638b13e3f91c5d9e3d077a90e1f594f9746ece2f3b4785e34ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e92fc8c65078638b13e3f91c5d9e3d077a90e1f594f9746ece2f3b4785e34ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92fc8c65078638b13e3f91c5d9e3d077a90e1f594f9746ece2f3b4785e34ddf", kill_on_drop: false }`
[INFO] [stdout] e92fc8c65078638b13e3f91c5d9e3d077a90e1f594f9746ece2f3b4785e34ddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 675fe0082e2470c91c5bcb0397b46f54426f6d2062f58ce54f33e854fcf56936
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "675fe0082e2470c91c5bcb0397b46f54426f6d2062f58ce54f33e854fcf56936", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.1
[INFO] [stderr]    Compiling bolero-generator v0.6.0
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling libtest-mimic v0.2.0
[INFO] [stderr]    Compiling bolero-engine v0.6.0
[INFO] [stderr]    Compiling bolero v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.11s
[INFO] running `Command { std: "docker" "inspect" "675fe0082e2470c91c5bcb0397b46f54426f6d2062f58ce54f33e854fcf56936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675fe0082e2470c91c5bcb0397b46f54426f6d2062f58ce54f33e854fcf56936", kill_on_drop: false }`
[INFO] [stdout] 675fe0082e2470c91c5bcb0397b46f54426f6d2062f58ce54f33e854fcf56936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 55323f1d102c0ab2a8c3277f80896cd47e02e9dbd264899b152d3aae010402c6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "55323f1d102c0ab2a8c3277f80896cd47e02e9dbd264899b152d3aae010402c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling bolero v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "55323f1d102c0ab2a8c3277f80896cd47e02e9dbd264899b152d3aae010402c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55323f1d102c0ab2a8c3277f80896cd47e02e9dbd264899b152d3aae010402c6", kill_on_drop: false }`
[INFO] [stdout] 55323f1d102c0ab2a8c3277f80896cd47e02e9dbd264899b152d3aae010402c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 16c726ecc42c872831cb876a239ec6f2d9794afd9db0bd1bc1034d401682da16
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "16c726ecc42c872831cb876a239ec6f2d9794afd9db0bd1bc1034d401682da16", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bolero-f04ddb270b07d9b5)
[INFO] [stdout] test type_generator_test ... ok
[INFO] [stdout] test type_generator_cloned_test ... ok
[INFO] [stdout] test slice_generator_test ... ok
[INFO] [stdout] test tests::nested_test ... ok
[INFO] [stdout] test range_generator_cloned_test ... ok
[INFO] [stdout] test range_generator_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bolero
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - check (line 85) ... ok
[INFO] [stdout] test src/lib.rs - check (line 47) ... ok
[INFO] [stdout] test src/lib.rs - check (line 64) ... ok
[INFO] [stdout] test src/lib.rs - check (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "16c726ecc42c872831cb876a239ec6f2d9794afd9db0bd1bc1034d401682da16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c726ecc42c872831cb876a239ec6f2d9794afd9db0bd1bc1034d401682da16", kill_on_drop: false }`
[INFO] [stdout] 16c726ecc42c872831cb876a239ec6f2d9794afd9db0bd1bc1034d401682da16