[INFO] cloning repository https://github.com/rust-fuzz/cargo-fuzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-fuzz/cargo-fuzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-fuzz%2Fcargo-fuzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-fuzz%2Fcargo-fuzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78965346c161a3800166c41304f61717e9d7e85c
[INFO] checking rust-fuzz/cargo-fuzz against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-fuzz%2Fcargo-fuzz" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-fuzz/cargo-fuzz on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] finished tweaking git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] tweaked toml for git repo https://github.com/rust-fuzz/cargo-fuzz written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-fuzz/cargo-fuzz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02a5bd0b025c5ebaa997d9dc2d3ca5e04d3db98ef8aee02d9b5bae9b428e494a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02a5bd0b025c5ebaa997d9dc2d3ca5e04d3db98ef8aee02d9b5bae9b428e494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02a5bd0b025c5ebaa997d9dc2d3ca5e04d3db98ef8aee02d9b5bae9b428e494a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a5bd0b025c5ebaa997d9dc2d3ca5e04d3db98ef8aee02d9b5bae9b428e494a", kill_on_drop: false }`
[INFO] [stdout] 02a5bd0b025c5ebaa997d9dc2d3ca5e04d3db98ef8aee02d9b5bae9b428e494a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d724d23111e18ffd53915ecd2ef532a3e4d838b59cfc49bff75a3f47cfccaaf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d724d23111e18ffd53915ecd2ef532a3e4d838b59cfc49bff75a3f47cfccaaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]    Compiling libc v0.2.87
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling escargot v0.5.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cargo-fuzz v0.10.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking cargo_metadata v0.11.4
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Checking cargo-binutils v0.3.3
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/main.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |   const RUN_AFTER_HELP: &str = "\
[INFO] [stdout]    |  _______________________________^
[INFO] [stdout] 50 | |
[INFO] [stdout] 51 | | A full list of libFuzzer options can be found at
[INFO] [stdout]    | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]   --> src/main.rs:49:31
[INFO] [stdout]    |
[INFO] [stdout] 49 |   const RUN_AFTER_HELP: &str = "\
[INFO] [stdout]    |  _______________________________^
[INFO] [stdout] 50 | |
[INFO] [stdout] 51 | | A full list of libFuzzer options can be found at
[INFO] [stdout]    | |_ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.61s
[INFO] running `Command { std: "docker" "inspect" "7d724d23111e18ffd53915ecd2ef532a3e4d838b59cfc49bff75a3f47cfccaaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d724d23111e18ffd53915ecd2ef532a3e4d838b59cfc49bff75a3f47cfccaaf", kill_on_drop: false }`
[INFO] [stdout] 7d724d23111e18ffd53915ecd2ef532a3e4d838b59cfc49bff75a3f47cfccaaf