[INFO] fetching crate pecho 2.0.1...
[INFO] checking pecho-2.0.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate pecho 2.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pecho 2.0.1
[INFO] finished tweaking crates.io crate pecho 2.0.1
[INFO] tweaked toml for crates.io crate pecho 2.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pecho 2.0.1 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 pecho 2.0.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 67426f1cfb148c4970ef9a3b40dc618a384d46ebb0267a9cf3c0fa9424652205
[INFO] running `Command { std: "docker" "start" "-a" "67426f1cfb148c4970ef9a3b40dc618a384d46ebb0267a9cf3c0fa9424652205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67426f1cfb148c4970ef9a3b40dc618a384d46ebb0267a9cf3c0fa9424652205", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67426f1cfb148c4970ef9a3b40dc618a384d46ebb0267a9cf3c0fa9424652205", kill_on_drop: false }`
[INFO] [stdout] 67426f1cfb148c4970ef9a3b40dc618a384d46ebb0267a9cf3c0fa9424652205
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9ac742d217f931dd5dbde6066decd5a3ac04aec35c88a76c5f61cd3dae93354f
[INFO] running `Command { std: "docker" "start" "-a" "9ac742d217f931dd5dbde6066decd5a3ac04aec35c88a76c5f61cd3dae93354f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking pecho v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `NoMatch` is never constructed
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum PechoErr {
[INFO] [stdout]   |      -------- variant in this enum
[INFO] [stdout] 8 |     NoMatch,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_color` is never used
[INFO] [stdout]   --> src/utils.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_color(s: &str) -> Result<Color, PechoErr>{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NoMatch` is never constructed
[INFO] [stdout]  --> src/utils.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum PechoErr {
[INFO] [stdout]   |      -------- variant in this enum
[INFO] [stdout] 8 |     NoMatch,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_color` is never used
[INFO] [stdout]   --> src/utils.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn parse_color(s: &str) -> Result<Color, PechoErr>{
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.19s
[INFO] running `Command { std: "docker" "inspect" "9ac742d217f931dd5dbde6066decd5a3ac04aec35c88a76c5f61cd3dae93354f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac742d217f931dd5dbde6066decd5a3ac04aec35c88a76c5f61cd3dae93354f", kill_on_drop: false }`
[INFO] [stdout] 9ac742d217f931dd5dbde6066decd5a3ac04aec35c88a76c5f61cd3dae93354f