[INFO] fetching crate grep-cli 0.1.10...
[INFO] checking grep-cli-0.1.10 against master#35936c4839dd272646394779d151e060d0f6b3ac for pr-122960-1
[INFO] extracting crate grep-cli 0.1.10 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate grep-cli 0.1.10 on toolchain 35936c4839dd272646394779d151e060d0f6b3ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grep-cli 0.1.10
[INFO] finished tweaking crates.io crate grep-cli 0.1.10
[INFO] tweaked toml for crates.io crate grep-cli 0.1.10 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termcolor v1.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.197
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8db6668659efb21a21d29a2b243071b6c2e3de9f858f6e69171cef3588efa0ba
[INFO] running `Command { std: "docker" "start" "-a" "8db6668659efb21a21d29a2b243071b6c2e3de9f858f6e69171cef3588efa0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8db6668659efb21a21d29a2b243071b6c2e3de9f858f6e69171cef3588efa0ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db6668659efb21a21d29a2b243071b6c2e3de9f858f6e69171cef3588efa0ba", kill_on_drop: false }`
[INFO] [stdout] 8db6668659efb21a21d29a2b243071b6c2e3de9f858f6e69171cef3588efa0ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+35936c4839dd272646394779d151e060d0f6b3ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcdbc38bc56ab8bd7f6ed9c38eee7382373499802d224bdc88ad00d2e40779c8
[INFO] running `Command { std: "docker" "start" "-a" "fcdbc38bc56ab8bd7f6ed9c38eee7382373499802d224bdc88ad00d2e40779c8", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking grep-cli v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/wtr.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor::{self, HyperlinkSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `termcolor` is imported redundantly
[INFO] [stdout]  --> src/wtr.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use termcolor::{self, HyperlinkSpec};
[INFO] [stdout]   |                 ^^^^ the item `termcolor` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 5.80s
[INFO] running `Command { std: "docker" "inspect" "fcdbc38bc56ab8bd7f6ed9c38eee7382373499802d224bdc88ad00d2e40779c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdbc38bc56ab8bd7f6ed9c38eee7382373499802d224bdc88ad00d2e40779c8", kill_on_drop: false }`
[INFO] [stdout] fcdbc38bc56ab8bd7f6ed9c38eee7382373499802d224bdc88ad00d2e40779c8