[INFO] fetching crate liqiqi-minigrep 0.1.0...
[INFO] testing liqiqi-minigrep-0.1.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate liqiqi-minigrep 0.1.0 into /workspace/builds/worker-7-tc1/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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate liqiqi-minigrep 0.1.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61e02db49832d18e0dc7352678c2aeb7fcb0b7e58299469dd7c6521db9fce0d3
[INFO] running `Command { std: "docker" "start" "-a" "61e02db49832d18e0dc7352678c2aeb7fcb0b7e58299469dd7c6521db9fce0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61e02db49832d18e0dc7352678c2aeb7fcb0b7e58299469dd7c6521db9fce0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e02db49832d18e0dc7352678c2aeb7fcb0b7e58299469dd7c6521db9fce0d3", kill_on_drop: false }`
[INFO] [stdout] 61e02db49832d18e0dc7352678c2aeb7fcb0b7e58299469dd7c6521db9fce0d3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2371ee697304da1c14e01bd6432ef09fd8267ae39d6a8f5a4d694b092014bf0e
[INFO] running `Command { std: "docker" "start" "-a" "2371ee697304da1c14e01bd6432ef09fd8267ae39d6a8f5a4d694b092014bf0e", 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)]` 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "2371ee697304da1c14e01bd6432ef09fd8267ae39d6a8f5a4d694b092014bf0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2371ee697304da1c14e01bd6432ef09fd8267ae39d6a8f5a4d694b092014bf0e", kill_on_drop: false }`
[INFO] [stdout] 2371ee697304da1c14e01bd6432ef09fd8267ae39d6a8f5a4d694b092014bf0e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f965d2bcd8c43806b5760261eb88be0924889098b09bbcacea42f3e7daa60926
[INFO] running `Command { std: "docker" "start" "-a" "f965d2bcd8c43806b5760261eb88be0924889098b09bbcacea42f3e7daa60926", 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)]` 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 0.72s
[INFO] running `Command { std: "docker" "inspect" "f965d2bcd8c43806b5760261eb88be0924889098b09bbcacea42f3e7daa60926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f965d2bcd8c43806b5760261eb88be0924889098b09bbcacea42f3e7daa60926", kill_on_drop: false }`
[INFO] [stdout] f965d2bcd8c43806b5760261eb88be0924889098b09bbcacea42f3e7daa60926
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78b44d5ecd941081285d4ff461e1cfb07276fb897855f634d859f741c2a1c910
[INFO] running `Command { std: "docker" "start" "-a" "78b44d5ecd941081285d4ff461e1cfb07276fb897855f634d859f741c2a1c910", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/main.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{env, fs};
[INFO] [stderr]   |                ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liqiqi_minigrep-f63b373f70b45909)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests liqiqi_minigrep
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "78b44d5ecd941081285d4ff461e1cfb07276fb897855f634d859f741c2a1c910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b44d5ecd941081285d4ff461e1cfb07276fb897855f634d859f741c2a1c910", kill_on_drop: false }`
[INFO] [stdout] 78b44d5ecd941081285d4ff461e1cfb07276fb897855f634d859f741c2a1c910