[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] 799bf534b889859b090b76f2ca1cffdca4ee7455
[INFO] checking rust-fuzz/cargo-fuzz against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-fuzz%2Fcargo-fuzz" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-fuzz/cargo-fuzz on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-fuzz/cargo-fuzz
[INFO] removed workspace from 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-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.7
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded proc-macro-error v1.0.2
[INFO] [stderr]   Downloaded structopt v0.3.14
[INFO] [stderr]   Downloaded serde_json v1.0.54
[INFO] [stderr]   Downloaded assert_cmd v0.12.2
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded serde_derive v1.0.111
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] [stderr]   Downloaded serde v1.0.111
[INFO] [stderr]   Downloaded predicates v1.0.4
[INFO] [stderr]   Downloaded escargot v0.5.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b65a69f24b2acbd68019c2fe0c8b304a0ab6f53e520f947377a49f0e180f5766
[INFO] running `Command { std: "docker" "start" "-a" "b65a69f24b2acbd68019c2fe0c8b304a0ab6f53e520f947377a49f0e180f5766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b65a69f24b2acbd68019c2fe0c8b304a0ab6f53e520f947377a49f0e180f5766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b65a69f24b2acbd68019c2fe0c8b304a0ab6f53e520f947377a49f0e180f5766", kill_on_drop: false }`
[INFO] [stdout] b65a69f24b2acbd68019c2fe0c8b304a0ab6f53e520f947377a49f0e180f5766
[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=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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f4869f6f1c3ee2f9fc95a9b9b961b1fa9323a3696ed9bbeff9fb10f249afde1
[INFO] running `Command { std: "docker" "start" "-a" "9f4869f6f1c3ee2f9fc95a9b9b961b1fa9323a3696ed9bbeff9fb10f249afde1", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking serde_json v1.0.54
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-fuzz v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.44s
[INFO] running `Command { std: "docker" "inspect" "9f4869f6f1c3ee2f9fc95a9b9b961b1fa9323a3696ed9bbeff9fb10f249afde1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4869f6f1c3ee2f9fc95a9b9b961b1fa9323a3696ed9bbeff9fb10f249afde1", kill_on_drop: false }`
[INFO] [stdout] 9f4869f6f1c3ee2f9fc95a9b9b961b1fa9323a3696ed9bbeff9fb10f249afde1