[INFO] fetching crate minigrep_lucky 0.1.0...
[INFO] testing minigrep_lucky-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate minigrep_lucky 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate minigrep_lucky 0.1.0
[INFO] finished tweaking crates.io crate minigrep_lucky 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_lucky 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep_lucky 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep_lucky 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5de1cb115017a3ca22746854a19725ddaf7d1e8d833167fa497100ae8db97e
[INFO] running `Command { std: "docker" "start" "-a" "2b5de1cb115017a3ca22746854a19725ddaf7d1e8d833167fa497100ae8db97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5de1cb115017a3ca22746854a19725ddaf7d1e8d833167fa497100ae8db97e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5de1cb115017a3ca22746854a19725ddaf7d1e8d833167fa497100ae8db97e", kill_on_drop: false }`
[INFO] [stdout] 2b5de1cb115017a3ca22746854a19725ddaf7d1e8d833167fa497100ae8db97e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3af9bb67513add8a35e18fffea501794b8f3f8abc1b5150618c3e39e068e46b0
[INFO] running `Command { std: "docker" "start" "-a" "3af9bb67513add8a35e18fffea501794b8f3f8abc1b5150618c3e39e068e46b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_lucky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, error::Error, fs, process};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "3af9bb67513add8a35e18fffea501794b8f3f8abc1b5150618c3e39e068e46b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af9bb67513add8a35e18fffea501794b8f3f8abc1b5150618c3e39e068e46b0", kill_on_drop: false }`
[INFO] [stdout] 3af9bb67513add8a35e18fffea501794b8f3f8abc1b5150618c3e39e068e46b0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4fdd8878648867d15dd6d03cd7ba88f862e5c9e73685a8879f4fe86653b2dd1
[INFO] running `Command { std: "docker" "start" "-a" "d4fdd8878648867d15dd6d03cd7ba88f862e5c9e73685a8879f4fe86653b2dd1", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, error::Error, fs, process};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling minigrep_lucky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process`
[INFO] [stdout]  --> src/lib.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{env, error::Error, fs, process};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "d4fdd8878648867d15dd6d03cd7ba88f862e5c9e73685a8879f4fe86653b2dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4fdd8878648867d15dd6d03cd7ba88f862e5c9e73685a8879f4fe86653b2dd1", kill_on_drop: false }`
[INFO] [stdout] d4fdd8878648867d15dd6d03cd7ba88f862e5c9e73685a8879f4fe86653b2dd1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e4cb15b36c3a0c1c50f201c8ef07092eeb122879a1e19dee20447e3b98960c6
[INFO] running `Command { std: "docker" "start" "-a" "2e4cb15b36c3a0c1c50f201c8ef07092eeb122879a1e19dee20447e3b98960c6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `process`
[INFO] [stderr]  --> src/lib.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{env, error::Error, fs, process};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep_lucky` (lib) generated 1 warning (run `cargo fix --lib -p minigrep_lucky` to apply 1 suggestion)
[INFO] [stderr] warning: `minigrep_lucky` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minigrep_lucky-da6226e5432605ee)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigrep_lucky-7874bd7503731730)
[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 minigrep_lucky
[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" "2e4cb15b36c3a0c1c50f201c8ef07092eeb122879a1e19dee20447e3b98960c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4cb15b36c3a0c1c50f201c8ef07092eeb122879a1e19dee20447e3b98960c6", kill_on_drop: false }`
[INFO] [stdout] 2e4cb15b36c3a0c1c50f201c8ef07092eeb122879a1e19dee20447e3b98960c6