[INFO] fetching crate slower 0.1.0...
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] crate slower 0.1.0 is already in cache
[INFO] checking slower-0.1.0 against try#ff47dd48ed0d02534055e0033cf766ce528f8ebc for pr-99447
[INFO] extracting crate slower 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate slower 0.1.0 on toolchain ff47dd48ed0d02534055e0033cf766ce528f8ebc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slower 0.1.0
[INFO] finished tweaking crates.io crate slower 0.1.0
[INFO] tweaked toml for crates.io crate slower 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate slower 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66ff3c0652953292b3a0759c84e7ae820c58b5f838837c0a6b1d4ab08814ba8b
[INFO] running `Command { std: "docker" "start" "-a" "66ff3c0652953292b3a0759c84e7ae820c58b5f838837c0a6b1d4ab08814ba8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66ff3c0652953292b3a0759c84e7ae820c58b5f838837c0a6b1d4ab08814ba8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66ff3c0652953292b3a0759c84e7ae820c58b5f838837c0a6b1d4ab08814ba8b", kill_on_drop: false }`
[INFO] [stdout] 66ff3c0652953292b3a0759c84e7ae820c58b5f838837c0a6b1d4ab08814ba8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+ff47dd48ed0d02534055e0033cf766ce528f8ebc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba77bbc1ff6f45d6c6af3c6794d64446e08f240e7982d7ce01b483db7d74efc
[INFO] running `Command { std: "docker" "start" "-a" "dba77bbc1ff6f45d6c6af3c6794d64446e08f240e7982d7ce01b483db7d74efc", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking slower v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "dba77bbc1ff6f45d6c6af3c6794d64446e08f240e7982d7ce01b483db7d74efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba77bbc1ff6f45d6c6af3c6794d64446e08f240e7982d7ce01b483db7d74efc", kill_on_drop: false }`
[INFO] [stdout] dba77bbc1ff6f45d6c6af3c6794d64446e08f240e7982d7ce01b483db7d74efc