[INFO] fetching crate bolero-engine 0.6.2...
[INFO] testing bolero-engine-0.6.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate bolero-engine 0.6.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate bolero-engine 0.6.2 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-engine 0.6.2
[INFO] finished tweaking crates.io crate bolero-engine 0.6.2
[INFO] tweaked toml for crates.io crate bolero-engine 0.6.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fb2a24a4b551339c92c1ed176da1e263db648a1ab7fbbe26419d9e46623199c
[INFO] running `Command { std: "docker" "start" "-a" "0fb2a24a4b551339c92c1ed176da1e263db648a1ab7fbbe26419d9e46623199c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fb2a24a4b551339c92c1ed176da1e263db648a1ab7fbbe26419d9e46623199c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb2a24a4b551339c92c1ed176da1e263db648a1ab7fbbe26419d9e46623199c", kill_on_drop: false }`
[INFO] [stdout] 0fb2a24a4b551339c92c1ed176da1e263db648a1ab7fbbe26419d9e46623199c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fef14b83504f53ec76fc2cf1c0dcff6f8198bddf2dd9420871408dc4d260ff5
[INFO] running `Command { std: "docker" "start" "-a" "7fef14b83504f53ec76fc2cf1c0dcff6f8198bddf2dd9420871408dc4d260ff5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling bolero-generator-derive v0.6.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling bolero-generator v0.6.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bolero-engine v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.21s
[INFO] running `Command { std: "docker" "inspect" "7fef14b83504f53ec76fc2cf1c0dcff6f8198bddf2dd9420871408dc4d260ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fef14b83504f53ec76fc2cf1c0dcff6f8198bddf2dd9420871408dc4d260ff5", kill_on_drop: false }`
[INFO] [stdout] 7fef14b83504f53ec76fc2cf1c0dcff6f8198bddf2dd9420871408dc4d260ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e1e77655991d4c43a2f4ce22fbfe490a0a88692c3be163343db20cd1c56ae19
[INFO] running `Command { std: "docker" "start" "-a" "4e1e77655991d4c43a2f4ce22fbfe490a0a88692c3be163343db20cd1c56ae19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bolero-engine v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/bolero_engine-1a608a74eca1b6f8)
[INFO] running `Command { std: "docker" "inspect" "4e1e77655991d4c43a2f4ce22fbfe490a0a88692c3be163343db20cd1c56ae19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1e77655991d4c43a2f4ce22fbfe490a0a88692c3be163343db20cd1c56ae19", kill_on_drop: false }`
[INFO] [stdout] 4e1e77655991d4c43a2f4ce22fbfe490a0a88692c3be163343db20cd1c56ae19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e6c67f169d66a606fd70c098edaf302112ecb17418dbca9935ca34f510161a8
[INFO] running `Command { std: "docker" "start" "-a" "2e6c67f169d66a606fd70c098edaf302112ecb17418dbca9935ca34f510161a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/bolero_engine-1a608a74eca1b6f8)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test target_location::item_path_test ... ok
[INFO] [stdout] test target_location::format_symbol_name_test ... ok
[INFO] [stdout] test shrink::u32_shrink_test ... ok
[INFO] [stdout] test shrink::u16_shrink_test ... ok
[INFO] [stdout] test shrink::vec_shrink_test ... ok
[INFO] [stdout] test shrink::non_start_vec_shrink_test ... ok
[INFO] [stdout] test shrink::middle_vec_shrink_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.85s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bolero-engine
[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 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2e6c67f169d66a606fd70c098edaf302112ecb17418dbca9935ca34f510161a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6c67f169d66a606fd70c098edaf302112ecb17418dbca9935ca34f510161a8", kill_on_drop: false }`
[INFO] [stdout] 2e6c67f169d66a606fd70c098edaf302112ecb17418dbca9935ca34f510161a8