[INFO] fetching crate liqiqi-minigrep 0.1.0...
[INFO] testing liqiqi-minigrep-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate liqiqi-minigrep 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate liqiqi-minigrep 0.1.0
[INFO] finished tweaking crates.io crate liqiqi-minigrep 0.1.0
[INFO] tweaked toml for crates.io crate liqiqi-minigrep 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liqiqi-minigrep 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate liqiqi-minigrep 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f16d5033e79a4f54e8a97d92cf57b8adf283fcfb8f3afd90a3714b2a4e72655
[INFO] running `Command { std: "docker" "start" "-a" "7f16d5033e79a4f54e8a97d92cf57b8adf283fcfb8f3afd90a3714b2a4e72655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f16d5033e79a4f54e8a97d92cf57b8adf283fcfb8f3afd90a3714b2a4e72655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f16d5033e79a4f54e8a97d92cf57b8adf283fcfb8f3afd90a3714b2a4e72655", kill_on_drop: false }`
[INFO] [stdout] 7f16d5033e79a4f54e8a97d92cf57b8adf283fcfb8f3afd90a3714b2a4e72655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2de1926e6b7c683c8b19f4c1f5d23e3b61f9365e3cdf98dcb522e2fe71693cd
[INFO] running `Command { std: "docker" "start" "-a" "f2de1926e6b7c683c8b19f4c1f5d23e3b61f9365e3cdf98dcb522e2fe71693cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling liqiqi-minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "f2de1926e6b7c683c8b19f4c1f5d23e3b61f9365e3cdf98dcb522e2fe71693cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2de1926e6b7c683c8b19f4c1f5d23e3b61f9365e3cdf98dcb522e2fe71693cd", kill_on_drop: false }`
[INFO] [stdout] f2de1926e6b7c683c8b19f4c1f5d23e3b61f9365e3cdf98dcb522e2fe71693cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd5a76c769745ace43a876e684fd7b3c743bdb93b5cea2d2df1d0e860311218
[INFO] running `Command { std: "docker" "start" "-a" "ddd5a76c769745ace43a876e684fd7b3c743bdb93b5cea2d2df1d0e860311218", kill_on_drop: false }`
[INFO] [stderr]    Compiling liqiqi-minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/main.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env, fs};
[INFO] [stdout]   |                ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "ddd5a76c769745ace43a876e684fd7b3c743bdb93b5cea2d2df1d0e860311218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd5a76c769745ace43a876e684fd7b3c743bdb93b5cea2d2df1d0e860311218", kill_on_drop: false }`
[INFO] [stdout] ddd5a76c769745ace43a876e684fd7b3c743bdb93b5cea2d2df1d0e860311218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34ae35b9edee56470b79f91969d04cb6696fd103d9fd93427beb4ac5090c1489
[INFO] running `Command { std: "docker" "start" "-a" "34ae35b9edee56470b79f91969d04cb6696fd103d9fd93427beb4ac5090c1489", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:1:16
[INFO] [stdout] running 1 test
[INFO] [stderr]   |
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stderr] 1 | use std::{env, fs};
[INFO] [stdout] 
[INFO] [stderr]   |                ^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `liqiqi-minigrep` (bin "liqiqi-minigrep" test) generated 2 warnings (run `cargo fix --bin "liqiqi-minigrep" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liqiqi_minigrep-f63b373f70b45909)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/liqiqi_minigrep-1ffee78d541320a0)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests liqiqi_minigrep
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "34ae35b9edee56470b79f91969d04cb6696fd103d9fd93427beb4ac5090c1489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ae35b9edee56470b79f91969d04cb6696fd103d9fd93427beb4ac5090c1489", kill_on_drop: false }`
[INFO] [stdout] 34ae35b9edee56470b79f91969d04cb6696fd103d9fd93427beb4ac5090c1489