[INFO] fetching crate bolero 0.6.2...
[INFO] testing bolero-0.6.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate bolero 0.6.2 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate bolero 0.6.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero 0.6.2
[INFO] finished tweaking crates.io crate bolero 0.6.2
[INFO] tweaked toml for crates.io crate bolero 0.6.2 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19eb9f446fe011690698a43eff14b4ff39ac805409f62d93a1cde0b541f1c15b
[INFO] running `Command { std: "docker" "start" "-a" "19eb9f446fe011690698a43eff14b4ff39ac805409f62d93a1cde0b541f1c15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19eb9f446fe011690698a43eff14b4ff39ac805409f62d93a1cde0b541f1c15b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19eb9f446fe011690698a43eff14b4ff39ac805409f62d93a1cde0b541f1c15b", kill_on_drop: false }`
[INFO] [stdout] 19eb9f446fe011690698a43eff14b4ff39ac805409f62d93a1cde0b541f1c15b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764a9f3b197b989a19e4d75c14eef682f7640969d82b6ab3bc80cf502fbad641
[INFO] running `Command { std: "docker" "start" "-a" "764a9f3b197b989a19e4d75c14eef682f7640969d82b6ab3bc80cf502fbad641", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling bolero-generator v0.6.2
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling libtest-mimic v0.3.0
[INFO] [stderr]    Compiling bolero-engine v0.6.2
[INFO] [stderr]    Compiling bolero v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.28s
[INFO] running `Command { std: "docker" "inspect" "764a9f3b197b989a19e4d75c14eef682f7640969d82b6ab3bc80cf502fbad641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764a9f3b197b989a19e4d75c14eef682f7640969d82b6ab3bc80cf502fbad641", kill_on_drop: false }`
[INFO] [stdout] 764a9f3b197b989a19e4d75c14eef682f7640969d82b6ab3bc80cf502fbad641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8f0c7008bece3e8f080c1497b06bcba3bfcf5caad47d7efeb24ac514962f6a
[INFO] running `Command { std: "docker" "start" "-a" "fb8f0c7008bece3e8f080c1497b06bcba3bfcf5caad47d7efeb24ac514962f6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bolero v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "fb8f0c7008bece3e8f080c1497b06bcba3bfcf5caad47d7efeb24ac514962f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8f0c7008bece3e8f080c1497b06bcba3bfcf5caad47d7efeb24ac514962f6a", kill_on_drop: false }`
[INFO] [stdout] fb8f0c7008bece3e8f080c1497b06bcba3bfcf5caad47d7efeb24ac514962f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 103049c1ed293c6abe2ac1f4398394f639f6d4e130f55bf619a7552a19ad4d53
[INFO] running `Command { std: "docker" "start" "-a" "103049c1ed293c6abe2ac1f4398394f639f6d4e130f55bf619a7552a19ad4d53", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bolero-06a06cccf7a31ff2)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test type_generator_test - should panic ... ok
[INFO] [stdout] test type_generator_cloned_test - should panic ... ok
[INFO] [stdout] test slice_generator_test - should panic ... ok
[INFO] [stdout] test range_generator_test ... ok
[INFO] [stderr]    Doc-tests bolero
[INFO] [stdout] test range_generator_cloned_test ... ok
[INFO] [stdout] test tests::nested_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - check (line 99) ... ok
[INFO] [stdout] test src/lib.rs - check (line 81) ... ok
[INFO] [stdout] test src/lib.rs - check (line 47) ... ok
[INFO] [stdout] test src/lib.rs - check (line 62) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 4.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "103049c1ed293c6abe2ac1f4398394f639f6d4e130f55bf619a7552a19ad4d53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "103049c1ed293c6abe2ac1f4398394f639f6d4e130f55bf619a7552a19ad4d53", kill_on_drop: false }`
[INFO] [stdout] 103049c1ed293c6abe2ac1f4398394f639f6d4e130f55bf619a7552a19ad4d53