[INFO] fetching crate libfuzzer-sys 0.4.12...
[INFO] testing libfuzzer-sys-0.4.12 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate libfuzzer-sys 0.4.12 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate libfuzzer-sys 0.4.12
[INFO] finished tweaking crates.io crate libfuzzer-sys 0.4.12
[INFO] tweaked toml for crates.io crate libfuzzer-sys 0.4.12 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libfuzzer-sys 0.4.12 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libfuzzer-sys 0.4.12 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c989f1e48aafbe1981c0e2ee6f783eddbaa49007654244650014310f8b80600
[INFO] running `Command { std: "docker" "start" "-a" "4c989f1e48aafbe1981c0e2ee6f783eddbaa49007654244650014310f8b80600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c989f1e48aafbe1981c0e2ee6f783eddbaa49007654244650014310f8b80600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c989f1e48aafbe1981c0e2ee6f783eddbaa49007654244650014310f8b80600", kill_on_drop: false }`
[INFO] [stdout] 4c989f1e48aafbe1981c0e2ee6f783eddbaa49007654244650014310f8b80600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78ff9529a4000e3bcbe0e3fcd9cb0f9e500ed123f64aec5f9a4412782c7b20f0
[INFO] running `Command { std: "docker" "start" "-a" "78ff9529a4000e3bcbe0e3fcd9cb0f9e500ed123f64aec5f9a4412782c7b20f0", 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 v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "78ff9529a4000e3bcbe0e3fcd9cb0f9e500ed123f64aec5f9a4412782c7b20f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78ff9529a4000e3bcbe0e3fcd9cb0f9e500ed123f64aec5f9a4412782c7b20f0", kill_on_drop: false }`
[INFO] [stdout] 78ff9529a4000e3bcbe0e3fcd9cb0f9e500ed123f64aec5f9a4412782c7b20f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38b0289b2e48df3307ef94f067328050f446d9fa955d03d7384c5d4d631d2785
[INFO] running `Command { std: "docker" "start" "-a" "38b0289b2e48df3307ef94f067328050f446d9fa955d03d7384c5d4d631d2785", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling libfuzzer-sys v0.4.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "38b0289b2e48df3307ef94f067328050f446d9fa955d03d7384c5d4d631d2785", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38b0289b2e48df3307ef94f067328050f446d9fa955d03d7384c5d4d631d2785", kill_on_drop: false }`
[INFO] [stdout] 38b0289b2e48df3307ef94f067328050f446d9fa955d03d7384c5d4d631d2785
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3631b73b0349e0aa9bf28bcaa3c0833f8cbed827a4f322f5c79a0fa421ca63ed
[INFO] running `Command { std: "docker" "start" "-a" "3631b73b0349e0aa9bf28bcaa3c0833f8cbed827a4f322f5c79a0fa421ca63ed", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libfuzzer_sys-c9097a758d6d6f9c)
[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_target (line 106) - 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_crossover (line 631) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 204) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_target (line 161) - compile ... ok
[INFO] [stdout] test src/lib.rs - fuzz_mutator (line 442) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3631b73b0349e0aa9bf28bcaa3c0833f8cbed827a4f322f5c79a0fa421ca63ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3631b73b0349e0aa9bf28bcaa3c0833f8cbed827a4f322f5c79a0fa421ca63ed", kill_on_drop: false }`
[INFO] [stdout] 3631b73b0349e0aa9bf28bcaa3c0833f8cbed827a4f322f5c79a0fa421ca63ed
