[INFO] cloning repository https://github.com/JWindy92/RustGrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JWindy92/RustGrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJWindy92%2FRustGrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJWindy92%2FRustGrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5028addb6c778b387d70b18d93f576c4a24eb3c2
[INFO] testing JWindy92/RustGrep against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJWindy92%2FRustGrep" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JWindy92/RustGrep on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JWindy92/RustGrep
[INFO] finished tweaking git repo https://github.com/JWindy92/RustGrep
[INFO] tweaked toml for git repo https://github.com/JWindy92/RustGrep written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/JWindy92/RustGrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e3bcd39cf3b28309e945ca3e4442b04dcc9f4238146f9f64ad622b3d00af5bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e3bcd39cf3b28309e945ca3e4442b04dcc9f4238146f9f64ad622b3d00af5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e3bcd39cf3b28309e945ca3e4442b04dcc9f4238146f9f64ad622b3d00af5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e3bcd39cf3b28309e945ca3e4442b04dcc9f4238146f9f64ad622b3d00af5bf", kill_on_drop: false }`
[INFO] [stdout] 5e3bcd39cf3b28309e945ca3e4442b04dcc9f4238146f9f64ad622b3d00af5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d61f0677ee79dc24badc4be50af2d27c41264a992c1160bcde0a0b6a23c4b7b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5d61f0677ee79dc24badc4be50af2d27c41264a992c1160bcde0a0b6a23c4b7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "5d61f0677ee79dc24badc4be50af2d27c41264a992c1160bcde0a0b6a23c4b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d61f0677ee79dc24badc4be50af2d27c41264a992c1160bcde0a0b6a23c4b7b", kill_on_drop: false }`
[INFO] [stdout] 5d61f0677ee79dc24badc4be50af2d27c41264a992c1160bcde0a0b6a23c4b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3373e2ea7d7606758e495c431b601a881e15e819a25e952f5329cf70ef1ead5
[INFO] running `Command { std: "docker" "start" "-a" "e3373e2ea7d7606758e495c431b601a881e15e819a25e952f5329cf70ef1ead5", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/lib.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let config = Config::new(&args).expect("Not enough args");
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "e3373e2ea7d7606758e495c431b601a881e15e819a25e952f5329cf70ef1ead5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3373e2ea7d7606758e495c431b601a881e15e819a25e952f5329cf70ef1ead5", kill_on_drop: false }`
[INFO] [stdout] e3373e2ea7d7606758e495c431b601a881e15e819a25e952f5329cf70ef1ead5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4291536b420835202a61b79491b740d8a73a30827491b086bd34833a19c4e2e3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4291536b420835202a61b79491b740d8a73a30827491b086bd34833a19c4e2e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/lib.rs:120:13
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stderr]     |
[INFO] [stdout] test tests::new_config_test ... ok
[INFO] [stderr] 120 |         let config = Config::new(&args).expect("Not enough args");
[INFO] [stdout] test tests::case_sensitive ... ok
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `minigrep` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-31e90dc7da3c1f37)
[INFO] [stdout] test tests::run_err_check - should panic ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep-cc33cb830df6f7c5)
[INFO] [stdout] test tests::check_num_args - should panic ... ok
[INFO] [stderr]    Doc-tests minigrep
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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] [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" "4291536b420835202a61b79491b740d8a73a30827491b086bd34833a19c4e2e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4291536b420835202a61b79491b740d8a73a30827491b086bd34833a19c4e2e3", kill_on_drop: false }`
[INFO] [stdout] 4291536b420835202a61b79491b740d8a73a30827491b086bd34833a19c4e2e3