[INFO] fetching crate hostfile 0.2.0...
[INFO] checking hostfile-0.2.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate hostfile 0.2.0 into /workspace/builds/worker-74/source
[INFO] validating manifest of crates.io crate hostfile 0.2.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hostfile 0.2.0
[INFO] finished tweaking crates.io crate hostfile 0.2.0
[INFO] tweaked toml for crates.io crate hostfile 0.2.0 written to /workspace/builds/worker-74/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94b0c4507413068c3b45181d5c3b2d53c8965066a409905567a9c703996f728e
[INFO] running `Command { std: "docker" "start" "-a" "94b0c4507413068c3b45181d5c3b2d53c8965066a409905567a9c703996f728e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94b0c4507413068c3b45181d5c3b2d53c8965066a409905567a9c703996f728e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b0c4507413068c3b45181d5c3b2d53c8965066a409905567a9c703996f728e", kill_on_drop: false }`
[INFO] [stdout] 94b0c4507413068c3b45181d5c3b2d53c8965066a409905567a9c703996f728e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-74/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77561b73d953b964e5eec0525d8d610f727b65716d2a5e50e00f1ca38d1420c4
[INFO] running `Command { std: "docker" "start" "-a" "77561b73d953b964e5eec0525d8d610f727b65716d2a5e50e00f1ca38d1420c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking hostfile v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:263:40
[INFO] [stdout]     |
[INFO] [stdout] 263 |               255.255.255.255 broadcast\n\
[INFO] [stdout]     |  ________________________________________^
[INFO] [stdout] 264 | |
[INFO] [stdout] 265 | |             # Comments can really be anywhere\n\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stdout] warning: multiple lines skipped by escaped newline
[INFO] [stdout]    --> src/lib.rs:263:40
[INFO] [stdout]     |
[INFO] [stdout] 263 |               255.255.255.255 broadcast\n\
[INFO] [stdout]     |  ________________________________________^
[INFO] [stdout] 264 | |
[INFO] [stdout] 265 | |             # Comments can really be anywhere\n\
[INFO] [stdout]     | |____________^ skipping everything up to and including this point
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "77561b73d953b964e5eec0525d8d610f727b65716d2a5e50e00f1ca38d1420c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77561b73d953b964e5eec0525d8d610f727b65716d2a5e50e00f1ca38d1420c4", kill_on_drop: false }`
[INFO] [stdout] 77561b73d953b964e5eec0525d8d610f727b65716d2a5e50e00f1ca38d1420c4