[INFO] fetching crate test-fuzz-runtime 0.1.0...
[INFO] testing test-fuzz-runtime-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate test-fuzz-runtime 0.1.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate test-fuzz-runtime 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test-fuzz-runtime 0.1.0
[INFO] finished tweaking crates.io crate test-fuzz-runtime 0.1.0
[INFO] tweaked toml for crates.io crate test-fuzz-runtime 0.1.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded subprocess v0.2.7
[INFO] [stderr]   Downloaded if_chain v1.0.2
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded cargo_metadata v0.14.0
[INFO] [stderr]   Downloaded strum_macros v0.21.1
[INFO] [stderr]   Downloaded retry v1.3.0
[INFO] [stderr]   Downloaded test-fuzz-internal v0.1.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bfe90cbeb9c2eac3aa1fc2a4428de18216c406a7fdff1767bb2809381d8776f
[INFO] running `Command { std: "docker" "start" "-a" "6bfe90cbeb9c2eac3aa1fc2a4428de18216c406a7fdff1767bb2809381d8776f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bfe90cbeb9c2eac3aa1fc2a4428de18216c406a7fdff1767bb2809381d8776f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bfe90cbeb9c2eac3aa1fc2a4428de18216c406a7fdff1767bb2809381d8776f", kill_on_drop: false }`
[INFO] [stdout] 6bfe90cbeb9c2eac3aa1fc2a4428de18216c406a7fdff1767bb2809381d8776f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bfd84f6482260596fb34c36be89287822beca6a8931aa38266132b1116b3796
[INFO] running `Command { std: "docker" "start" "-a" "0bfd84f6482260596fb34c36be89287822beca6a8931aa38266132b1116b3796", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling camino v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling if_chain v1.0.2
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling subprocess v0.2.7
[INFO] [stderr]    Compiling predicates-tree v1.0.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling predicates v2.0.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling retry v1.3.0
[INFO] [stderr]    Compiling assert_cmd v2.0.1
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling cargo_metadata v0.14.0
[INFO] [stderr]    Compiling test-fuzz-internal v0.1.0
[INFO] [stderr]    Compiling test-fuzz-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.81s
[INFO] running `Command { std: "docker" "inspect" "0bfd84f6482260596fb34c36be89287822beca6a8931aa38266132b1116b3796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfd84f6482260596fb34c36be89287822beca6a8931aa38266132b1116b3796", kill_on_drop: false }`
[INFO] [stdout] 0bfd84f6482260596fb34c36be89287822beca6a8931aa38266132b1116b3796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d5019191e00a5380b3e3746bd826eb797d51774f6fd4755446898f802c34d9c
[INFO] running `Command { std: "docker" "start" "-a" "5d5019191e00a5380b3e3746bd826eb797d51774f6fd4755446898f802c34d9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-fuzz-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "5d5019191e00a5380b3e3746bd826eb797d51774f6fd4755446898f802c34d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d5019191e00a5380b3e3746bd826eb797d51774f6fd4755446898f802c34d9c", kill_on_drop: false }`
[INFO] [stdout] 5d5019191e00a5380b3e3746bd826eb797d51774f6fd4755446898f802c34d9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e8b5345544013ede95baa3f1e24187f05e1a846186b713d7673919e96b12aed
[INFO] running `Command { std: "docker" "start" "-a" "4e8b5345544013ede95baa3f1e24187f05e1a846186b713d7673919e96b12aed", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test_fuzz_runtime-5dff7c1d1bb4ad2f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test-fuzz-runtime
[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] [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] running `Command { std: "docker" "inspect" "4e8b5345544013ede95baa3f1e24187f05e1a846186b713d7673919e96b12aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8b5345544013ede95baa3f1e24187f05e1a846186b713d7673919e96b12aed", kill_on_drop: false }`
[INFO] [stdout] 4e8b5345544013ede95baa3f1e24187f05e1a846186b713d7673919e96b12aed