[INFO] fetching crate imap-proto 0.14.3...
[INFO] checking imap-proto-0.14.3 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate imap-proto 0.14.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate imap-proto 0.14.3 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imap-proto 0.14.3
[INFO] finished tweaking crates.io crate imap-proto 0.14.3
[INFO] tweaked toml for crates.io crate imap-proto 0.14.3 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate imap-proto 0.14.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 616d28785fa9945ae9ca5c8c3fb83c0bec8fa256e1538549805883364f6d4acb
[INFO] running `Command { std: "docker" "start" "-a" "616d28785fa9945ae9ca5c8c3fb83c0bec8fa256e1538549805883364f6d4acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616d28785fa9945ae9ca5c8c3fb83c0bec8fa256e1538549805883364f6d4acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616d28785fa9945ae9ca5c8c3fb83c0bec8fa256e1538549805883364f6d4acb", kill_on_drop: false }`
[INFO] [stdout] 616d28785fa9945ae9ca5c8c3fb83c0bec8fa256e1538549805883364f6d4acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b3acf708e5b37bddad88db48a034dde2080aed3e535e5c40c4cac7ac8100b07
[INFO] running `Command { std: "docker" "start" "-a" "1b3acf708e5b37bddad88db48a034dde2080aed3e535e5c40c4cac7ac8100b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking imap-proto v0.14.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "1b3acf708e5b37bddad88db48a034dde2080aed3e535e5c40c4cac7ac8100b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3acf708e5b37bddad88db48a034dde2080aed3e535e5c40c4cac7ac8100b07", kill_on_drop: false }`
[INFO] [stdout] 1b3acf708e5b37bddad88db48a034dde2080aed3e535e5c40c4cac7ac8100b07