[INFO] fetching crate linguist-rs 1.1.0...
[INFO] checking linguist-rs-1.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate linguist-rs 1.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate linguist-rs 1.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linguist-rs 1.1.0
[INFO] finished tweaking crates.io crate linguist-rs 1.1.0
[INFO] tweaked toml for crates.io crate linguist-rs 1.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f809233e1c5edd0279a2fb58adf8814a9e97a12d553ce4aea29f6afe3e42976
[INFO] running `Command { std: "docker" "start" "-a" "5f809233e1c5edd0279a2fb58adf8814a9e97a12d553ce4aea29f6afe3e42976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f809233e1c5edd0279a2fb58adf8814a9e97a12d553ce4aea29f6afe3e42976", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f809233e1c5edd0279a2fb58adf8814a9e97a12d553ce4aea29f6afe3e42976", kill_on_drop: false }`
[INFO] [stdout] 5f809233e1c5edd0279a2fb58adf8814a9e97a12d553ce4aea29f6afe3e42976
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a28fc7e93bf3a19d76f6babcd74bed033d1ae49d29e055836596e9b7722dc224
[INFO] running `Command { std: "docker" "start" "-a" "a28fc7e93bf3a19d76f6babcd74bed033d1ae49d29e055836596e9b7722dc224", kill_on_drop: false }`
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking serde_yaml v0.9.34+deprecated
[INFO] [stderr]     Checking linguist-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stdout]    --> src/utils.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_unsupported_regex_syntax` is never used
[INFO] [stdout]    --> src/utils.rs:137:15
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub(crate) fn is_unsupported_regex_syntax(input: &str) -> bool {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "a28fc7e93bf3a19d76f6babcd74bed033d1ae49d29e055836596e9b7722dc224", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28fc7e93bf3a19d76f6babcd74bed033d1ae49d29e055836596e9b7722dc224", kill_on_drop: false }`
[INFO] [stdout] a28fc7e93bf3a19d76f6babcd74bed033d1ae49d29e055836596e9b7722dc224