[INFO] fetching crate rust_mini_grep 0.1.0...
[INFO] testing rust_mini_grep-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate rust_mini_grep 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rust_mini_grep 0.1.0
[INFO] finished tweaking crates.io crate rust_mini_grep 0.1.0
[INFO] tweaked toml for crates.io crate rust_mini_grep 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust_mini_grep 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust_mini_grep 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fed1572477a36c221f5448aef9561548982c38b3012859f384d35747a9c8849f
[INFO] running `Command { std: "docker" "start" "-a" "fed1572477a36c221f5448aef9561548982c38b3012859f384d35747a9c8849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fed1572477a36c221f5448aef9561548982c38b3012859f384d35747a9c8849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fed1572477a36c221f5448aef9561548982c38b3012859f384d35747a9c8849f", kill_on_drop: false }`
[INFO] [stdout] fed1572477a36c221f5448aef9561548982c38b3012859f384d35747a9c8849f
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc4c7516bff1f0e2f7595831486110c9455e83c1df2517433ab2354c26a7ebd4
[INFO] running `Command { std: "docker" "start" "-a" "dc4c7516bff1f0e2f7595831486110c9455e83c1df2517433ab2354c26a7ebd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_mini_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "dc4c7516bff1f0e2f7595831486110c9455e83c1df2517433ab2354c26a7ebd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc4c7516bff1f0e2f7595831486110c9455e83c1df2517433ab2354c26a7ebd4", kill_on_drop: false }`
[INFO] [stdout] dc4c7516bff1f0e2f7595831486110c9455e83c1df2517433ab2354c26a7ebd4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0db4f46cb4d3b2d6967a38a11e02c338e74d0d2c81f2f81ddb998020d1e8d9d
[INFO] running `Command { std: "docker" "start" "-a" "c0db4f46cb4d3b2d6967a38a11e02c338e74d0d2c81f2f81ddb998020d1e8d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_mini_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c0db4f46cb4d3b2d6967a38a11e02c338e74d0d2c81f2f81ddb998020d1e8d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0db4f46cb4d3b2d6967a38a11e02c338e74d0d2c81f2f81ddb998020d1e8d9d", kill_on_drop: false }`
[INFO] [stdout] c0db4f46cb4d3b2d6967a38a11e02c338e74d0d2c81f2f81ddb998020d1e8d9d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1eb596542efeedb5357eb1608b79f69afaeca248531209d8f3e9052f8d095be6
[INFO] running `Command { std: "docker" "start" "-a" "1eb596542efeedb5357eb1608b79f69afaeca248531209d8f3e9052f8d095be6", kill_on_drop: false }`
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stdout] running 2 tests
[INFO] [stderr]   |
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr] 5 | mod lib;
[INFO] [stdout] test tests::one_result ... ok
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout] 
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_mini_grep` (bin "rust_mini_grep" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_mini_grep-c3711af6dd9c5de6)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_mini_grep-a12f5a9dbdbb3db8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests rust_mini_grep
[INFO] [stdout] test lib::tests::one_result ... ok
[INFO] [stdout] test lib::tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 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" "1eb596542efeedb5357eb1608b79f69afaeca248531209d8f3e9052f8d095be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb596542efeedb5357eb1608b79f69afaeca248531209d8f3e9052f8d095be6", kill_on_drop: false }`
[INFO] [stdout] 1eb596542efeedb5357eb1608b79f69afaeca248531209d8f3e9052f8d095be6