[INFO] fetching crate minigrep-wcj 0.1.0...
[INFO] building minigrep-wcj-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate minigrep-wcj 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate minigrep-wcj 0.1.0
[INFO] finished tweaking crates.io crate minigrep-wcj 0.1.0
[INFO] tweaked toml for crates.io crate minigrep-wcj 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep-wcj 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep-wcj 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81a6b7f7c04437b72a00391bf6b6d531b6e46eaa8ec5fa9f81375f49d7127281
[INFO] running `Command { std: "docker" "start" "-a" "81a6b7f7c04437b72a00391bf6b6d531b6e46eaa8ec5fa9f81375f49d7127281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81a6b7f7c04437b72a00391bf6b6d531b6e46eaa8ec5fa9f81375f49d7127281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81a6b7f7c04437b72a00391bf6b6d531b6e46eaa8ec5fa9f81375f49d7127281", kill_on_drop: false }`
[INFO] [stdout] 81a6b7f7c04437b72a00391bf6b6d531b6e46eaa8ec5fa9f81375f49d7127281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50f3310815b527e989ec5b828dd8145efc73d91b75e462e82e1f17370c57434e
[INFO] running `Command { std: "docker" "start" "-a" "50f3310815b527e989ec5b828dd8145efc73d91b75e462e82e1f17370c57434e", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-wcj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[INFO] [stdout]   |               ^^         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `case_sensitive` is never read
[INFO] [stdout]   --> src/minigrep.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct Config {
[INFO] [stdout]    |              ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub case_sensitive:bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "50f3310815b527e989ec5b828dd8145efc73d91b75e462e82e1f17370c57434e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f3310815b527e989ec5b828dd8145efc73d91b75e462e82e1f17370c57434e", kill_on_drop: false }`
[INFO] [stdout] 50f3310815b527e989ec5b828dd8145efc73d91b75e462e82e1f17370c57434e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c81a5bcaa12388e094b082f36840e8864a2809b1139cfee0e1373f22e019c5
[INFO] running `Command { std: "docker" "start" "-a" "04c81a5bcaa12388e094b082f36840e8864a2809b1139cfee0e1373f22e019c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep-wcj v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fs`
[INFO] [stdout]  --> src/main.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env,fs,process,error::Error};
[INFO] [stdout]   |               ^^         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `case_sensitive` is never read
[INFO] [stdout]   --> src/minigrep.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |   pub struct Config {
[INFO] [stdout]    |              ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub case_sensitive:bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "04c81a5bcaa12388e094b082f36840e8864a2809b1139cfee0e1373f22e019c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c81a5bcaa12388e094b082f36840e8864a2809b1139cfee0e1373f22e019c5", kill_on_drop: false }`
[INFO] [stdout] 04c81a5bcaa12388e094b082f36840e8864a2809b1139cfee0e1373f22e019c5