[INFO] fetching crate rmuxinator 4.1.0...
[INFO] checking rmuxinator-4.1.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate rmuxinator 4.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rmuxinator 4.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate rmuxinator 4.1.0
[INFO] tweaked toml for crates.io crate rmuxinator 4.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmuxinator 4.1.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rmuxinator 4.1.0 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded downcast v0.11.0
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded fragile v2.0.0
[INFO] [stderr]   Downloaded either v1.8.0
[INFO] [stderr]   Downloaded anstyle v1.0.11
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded fastrand v1.8.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded predicates v3.1.3
[INFO] [stderr]   Downloaded mockall v0.13.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded assert_cmd v1.0.8
[INFO] [stderr]   Downloaded unicode-ident v1.0.4
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded proc-macro2 v1.0.79
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] [stderr]   Downloaded mockall_derive v0.13.1
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded clap v2.34.0
[INFO] [stderr]   Downloaded syn v1.0.100
[INFO] [stderr]   Downloaded regex v1.10.4
[INFO] [stderr]   Downloaded syn v2.0.58
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded libc v0.2.133
[INFO] [stderr]   Downloaded regex-automata v0.4.6
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ccfffbe2ce5a1e9061665f29d8a4b39bd6fce3f9ea9b1fb2a5d40b5efb4abf3
[INFO] running `Command { std: "docker" "start" "-a" "2ccfffbe2ce5a1e9061665f29d8a4b39bd6fce3f9ea9b1fb2a5d40b5efb4abf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ccfffbe2ce5a1e9061665f29d8a4b39bd6fce3f9ea9b1fb2a5d40b5efb4abf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ccfffbe2ce5a1e9061665f29d8a4b39bd6fce3f9ea9b1fb2a5d40b5efb4abf3", kill_on_drop: false }`
[INFO] [stdout] 2ccfffbe2ce5a1e9061665f29d8a4b39bd6fce3f9ea9b1fb2a5d40b5efb4abf3
[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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd3d83f077637fe3232369659448113748be17b7b56f2ab30d0c33dbd55e00f
[INFO] running `Command { std: "docker" "start" "-a" "4bd3d83f077637fe3232369659448113748be17b7b56f2ab30d0c33dbd55e00f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling syn v1.0.100
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling mockall_derive v0.13.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking predicates v3.1.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking rmuxinator v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mockall v0.13.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `Command { std: "docker" "inspect" "4bd3d83f077637fe3232369659448113748be17b7b56f2ab30d0c33dbd55e00f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd3d83f077637fe3232369659448113748be17b7b56f2ab30d0c33dbd55e00f", kill_on_drop: false }`
[INFO] [stdout] 4bd3d83f077637fe3232369659448113748be17b7b56f2ab30d0c33dbd55e00f