[INFO] fetching crate mainline 3.0.0...
[INFO] checking mainline-3.0.0 against try#65132f36b923285d5da381c2fbafee6ce899e841 for pr-132712-1
[INFO] extracting crate mainline 3.0.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate mainline 3.0.0 on toolchain 65132f36b923285d5da381c2fbafee6ce899e841
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65132f36b923285d5da381c2fbafee6ce899e841" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mainline 3.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mainline 3.0.0
[INFO] tweaked toml for crates.io crate mainline 3.0.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate mainline 3.0.0 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" "+65132f36b923285d5da381c2fbafee6ce899e841" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+65132f36b923285d5da381c2fbafee6ce899e841" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71fc6975a9892e07ec2173dea0f00b2d863a4ec1dea89d003549208ccc1e5873
[INFO] running `Command { std: "docker" "start" "-a" "71fc6975a9892e07ec2173dea0f00b2d863a4ec1dea89d003549208ccc1e5873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71fc6975a9892e07ec2173dea0f00b2d863a4ec1dea89d003549208ccc1e5873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fc6975a9892e07ec2173dea0f00b2d863a4ec1dea89d003549208ccc1e5873", kill_on_drop: false }`
[INFO] [stdout] 71fc6975a9892e07ec2173dea0f00b2d863a4ec1dea89d003549208ccc1e5873
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+65132f36b923285d5da381c2fbafee6ce899e841" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5dbf4e7718e697f340d0e0805396c78fd43471c4fa66cea4cbb40f6b664f16c
[INFO] running `Command { std: "docker" "start" "-a" "c5dbf4e7718e697f340d0e0805396c78fd43471c4fa66cea4cbb40f6b664f16c", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "c5dbf4e7718e697f340d0e0805396c78fd43471c4fa66cea4cbb40f6b664f16c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5dbf4e7718e697f340d0e0805396c78fd43471c4fa66cea4cbb40f6b664f16c", kill_on_drop: false }`
[INFO] [stdout] c5dbf4e7718e697f340d0e0805396c78fd43471c4fa66cea4cbb40f6b664f16c