[INFO] fetching crate pipe-channel 1.3.0...
[INFO] checking pipe-channel-1.3.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate pipe-channel 1.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pipe-channel 1.3.0 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 pipe-channel 1.3.0
[INFO] finished tweaking crates.io crate pipe-channel 1.3.0
[INFO] tweaked toml for crates.io crate pipe-channel 1.3.0 written to /workspace/builds/worker-8/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] bb31ec450a7dc32cf437929a5160e48c2cebd6a2969fda43dab2f6dd7cf97eea
[INFO] running `Command { std: "docker" "start" "-a" "bb31ec450a7dc32cf437929a5160e48c2cebd6a2969fda43dab2f6dd7cf97eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb31ec450a7dc32cf437929a5160e48c2cebd6a2969fda43dab2f6dd7cf97eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb31ec450a7dc32cf437929a5160e48c2cebd6a2969fda43dab2f6dd7cf97eea", kill_on_drop: false }`
[INFO] [stdout] bb31ec450a7dc32cf437929a5160e48c2cebd6a2969fda43dab2f6dd7cf97eea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 83e324f6685ce5d962dd7ef6e5f427d5cef3fae13cc3e55569347f53187f6bad
[INFO] running `Command { std: "docker" "start" "-a" "83e324f6685ce5d962dd7ef6e5f427d5cef3fae13cc3e55569347f53187f6bad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking pipe-channel v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib.rs:522:38
[INFO] [stdout]     |
[INFO] [stdout] 522 |         unsafe impl Send for Large {};
[INFO] [stdout]     |                                      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `Command { std: "docker" "inspect" "83e324f6685ce5d962dd7ef6e5f427d5cef3fae13cc3e55569347f53187f6bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e324f6685ce5d962dd7ef6e5f427d5cef3fae13cc3e55569347f53187f6bad", kill_on_drop: false }`
[INFO] [stdout] 83e324f6685ce5d962dd7ef6e5f427d5cef3fae13cc3e55569347f53187f6bad