[INFO] fetching crate libfuzzer-sys 0.4.10...
[INFO] testing libfuzzer-sys-0.4.10 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate libfuzzer-sys 0.4.10 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate libfuzzer-sys 0.4.10
[INFO] finished tweaking crates.io crate libfuzzer-sys 0.4.10
[INFO] tweaked toml for crates.io crate libfuzzer-sys 0.4.10 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libfuzzer-sys 0.4.10 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libfuzzer-sys 0.4.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.0.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e8e4444e1a8e37309cd24506b897331f4a5de07a3d7f4ddf530bce2ef867632
[INFO] running `Command { std: "docker" "start" "-a" "2e8e4444e1a8e37309cd24506b897331f4a5de07a3d7f4ddf530bce2ef867632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8e4444e1a8e37309cd24506b897331f4a5de07a3d7f4ddf530bce2ef867632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8e4444e1a8e37309cd24506b897331f4a5de07a3d7f4ddf530bce2ef867632", kill_on_drop: false }`
[INFO] [stdout] 2e8e4444e1a8e37309cd24506b897331f4a5de07a3d7f4ddf530bce2ef867632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddafd7fbd61b2933117c257453f9470041a72fe5bd9da14a0cc332c51875ccf4
[INFO] running `Command { std: "docker" "start" "-a" "ddafd7fbd61b2933117c257453f9470041a72fe5bd9da14a0cc332c51875ccf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling arbitrary v1.0.0
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.04s
[INFO] running `Command { std: "docker" "inspect" "ddafd7fbd61b2933117c257453f9470041a72fe5bd9da14a0cc332c51875ccf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddafd7fbd61b2933117c257453f9470041a72fe5bd9da14a0cc332c51875ccf4", kill_on_drop: false }`
[INFO] [stdout] ddafd7fbd61b2933117c257453f9470041a72fe5bd9da14a0cc332c51875ccf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c2d438ead1215011e11ffe1e66e2052fcc34bff22ab10ca72a2f7ac86e6c053
[INFO] running `Command { std: "docker" "start" "-a" "3c2d438ead1215011e11ffe1e66e2052fcc34bff22ab10ca72a2f7ac86e6c053", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling cc v1.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.30s
[INFO] running `Command { std: "docker" "inspect" "3c2d438ead1215011e11ffe1e66e2052fcc34bff22ab10ca72a2f7ac86e6c053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c2d438ead1215011e11ffe1e66e2052fcc34bff22ab10ca72a2f7ac86e6c053", kill_on_drop: false }`
[INFO] [stdout] 3c2d438ead1215011e11ffe1e66e2052fcc34bff22ab10ca72a2f7ac86e6c053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f374137d3639abd3cf19bb0abb2c40857cca478b9d13c0eedb895931be53dde4
[INFO] running `Command { std: "docker" "start" "-a" "f374137d3639abd3cf19bb0abb2c40857cca478b9d13c0eedb895931be53dde4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libfuzzer_sys-456b9a865b7c43dc)
[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] [stderr]    Doc-tests libfuzzer_sys
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - fuzz_mutator (line 409) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_crossover (line 631) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_mutator (line 442) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 132) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzzer_mutate (line 583) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 161) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 204) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 106) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f374137d3639abd3cf19bb0abb2c40857cca478b9d13c0eedb895931be53dde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f374137d3639abd3cf19bb0abb2c40857cca478b9d13c0eedb895931be53dde4", kill_on_drop: false }`
[INFO] [stdout] f374137d3639abd3cf19bb0abb2c40857cca478b9d13c0eedb895931be53dde4