[INFO] fetching crate gaps 0.2.1...
[INFO] checking gaps-0.2.1 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] extracting crate gaps 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate gaps 0.2.1 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gaps 0.2.1
[INFO] finished tweaking crates.io crate gaps 0.2.1
[INFO] tweaked toml for crates.io crate gaps 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e81b53a7ba3a31c95f72e629be9f4c900c4a96880312246bf8abb678d1884917
[INFO] running `Command { std: "docker" "start" "-a" "e81b53a7ba3a31c95f72e629be9f4c900c4a96880312246bf8abb678d1884917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e81b53a7ba3a31c95f72e629be9f4c900c4a96880312246bf8abb678d1884917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e81b53a7ba3a31c95f72e629be9f4c900c4a96880312246bf8abb678d1884917", kill_on_drop: false }`
[INFO] [stdout] e81b53a7ba3a31c95f72e629be9f4c900c4a96880312246bf8abb678d1884917
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aa0860f449574353e6ac2c8cc037d4dcc574d42860cb721dc3a3035cef2c3bb
[INFO] running `Command { std: "docker" "start" "-a" "0aa0860f449574353e6ac2c8cc037d4dcc574d42860cb721dc3a3035cef2c3bb", kill_on_drop: false }`
[INFO] [stderr]     Checking gaps v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "0aa0860f449574353e6ac2c8cc037d4dcc574d42860cb721dc3a3035cef2c3bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa0860f449574353e6ac2c8cc037d4dcc574d42860cb721dc3a3035cef2c3bb", kill_on_drop: false }`
[INFO] [stdout] 0aa0860f449574353e6ac2c8cc037d4dcc574d42860cb721dc3a3035cef2c3bb