[INFO] fetching crate cargo-fuzzcheck 0.13.0...
[INFO] checking cargo-fuzzcheck-0.13.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate cargo-fuzzcheck 0.13.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate cargo-fuzzcheck 0.13.0
[INFO] finished tweaking crates.io crate cargo-fuzzcheck 0.13.0
[INFO] tweaked toml for crates.io crate cargo-fuzzcheck 0.13.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-fuzzcheck 0.13.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-fuzzcheck 0.13.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded fuzzcheck_common v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ed4b44ef73671228b74470f888d6084553bd097762e34265e573c87836d316e
[INFO] running `Command { std: "docker" "start" "-a" "0ed4b44ef73671228b74470f888d6084553bd097762e34265e573c87836d316e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ed4b44ef73671228b74470f888d6084553bd097762e34265e573c87836d316e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed4b44ef73671228b74470f888d6084553bd097762e34265e573c87836d316e", kill_on_drop: false }`
[INFO] [stdout] 0ed4b44ef73671228b74470f888d6084553bd097762e34265e573c87836d316e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04feaf39ee8ec1f18e078b72d459f8f4ad9567e29b77fdd52ffa84a3f0592df7
[INFO] running `Command { std: "docker" "start" "-a" "04feaf39ee8ec1f18e078b72d459f8f4ad9567e29b77fdd52ffa84a3f0592df7", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling cargo-fuzzcheck v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking fuzzcheck_common v0.13.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "04feaf39ee8ec1f18e078b72d459f8f4ad9567e29b77fdd52ffa84a3f0592df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04feaf39ee8ec1f18e078b72d459f8f4ad9567e29b77fdd52ffa84a3f0592df7", kill_on_drop: false }`
[INFO] [stdout] 04feaf39ee8ec1f18e078b72d459f8f4ad9567e29b77fdd52ffa84a3f0592df7