[INFO] cloning repository https://github.com/huntercas315/fgrep_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/huntercas315/fgrep_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntercas315%2Ffgrep_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntercas315%2Ffgrep_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e76b86ae7cbd699bbf5f0006bc1db00187684339
[INFO] testing huntercas315/fgrep_rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuntercas315%2Ffgrep_rs" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/huntercas315/fgrep_rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/huntercas315/fgrep_rs
[INFO] finished tweaking git repo https://github.com/huntercas315/fgrep_rs
[INFO] tweaked toml for git repo https://github.com/huntercas315/fgrep_rs written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/huntercas315/fgrep_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53d0d7d89b18c45db1cee180e15ee80f2ebb4e4f5abc9eea95b4bda3c5c37d0d
[INFO] running `Command { std: "docker" "start" "-a" "53d0d7d89b18c45db1cee180e15ee80f2ebb4e4f5abc9eea95b4bda3c5c37d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53d0d7d89b18c45db1cee180e15ee80f2ebb4e4f5abc9eea95b4bda3c5c37d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d0d7d89b18c45db1cee180e15ee80f2ebb4e4f5abc9eea95b4bda3c5c37d0d", kill_on_drop: false }`
[INFO] [stdout] 53d0d7d89b18c45db1cee180e15ee80f2ebb4e4f5abc9eea95b4bda3c5c37d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb5c92a9702bc62a8aa08801ae8f7f006989f6d29cdac3eba1cda19fd02f573
[INFO] running `Command { std: "docker" "start" "-a" "0bb5c92a9702bc62a8aa08801ae8f7f006989f6d29cdac3eba1cda19fd02f573", kill_on_drop: false }`
[INFO] [stderr]    Compiling fgrep_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `line_temp` is never read
[INFO] [stdout]   --> src/search.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut line_temp = line.clone();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "0bb5c92a9702bc62a8aa08801ae8f7f006989f6d29cdac3eba1cda19fd02f573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb5c92a9702bc62a8aa08801ae8f7f006989f6d29cdac3eba1cda19fd02f573", kill_on_drop: false }`
[INFO] [stdout] 0bb5c92a9702bc62a8aa08801ae8f7f006989f6d29cdac3eba1cda19fd02f573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbc09056e6a563dbf4462cd3279afd7ded84813a7548704c12befdea22482334
[INFO] running `Command { std: "docker" "start" "-a" "bbc09056e6a563dbf4462cd3279afd7ded84813a7548704c12befdea22482334", kill_on_drop: false }`
[INFO] [stderr]    Compiling fgrep_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `line_temp` is never read
[INFO] [stdout]   --> src/search.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut line_temp = line.clone();
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/fgrep_rs-9340469430d1e53f)
[INFO] running `Command { std: "docker" "inspect" "bbc09056e6a563dbf4462cd3279afd7ded84813a7548704c12befdea22482334", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbc09056e6a563dbf4462cd3279afd7ded84813a7548704c12befdea22482334", kill_on_drop: false }`
[INFO] [stdout] bbc09056e6a563dbf4462cd3279afd7ded84813a7548704c12befdea22482334
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 278841fed0bd3a73b0af61bd6d0773575794cbb0aa400a2b886f0fccef6e1bd1
[INFO] running `Command { std: "docker" "start" "-a" "278841fed0bd3a73b0af61bd6d0773575794cbb0aa400a2b886f0fccef6e1bd1", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `line_temp` is never read
[INFO] [stderr]   --> src/search.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut line_temp = line.clone();
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `fgrep_rs` (bin "fgrep_rs" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fgrep_rs-9340469430d1e53f)
[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" "278841fed0bd3a73b0af61bd6d0773575794cbb0aa400a2b886f0fccef6e1bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278841fed0bd3a73b0af61bd6d0773575794cbb0aa400a2b886f0fccef6e1bd1", kill_on_drop: false }`
[INFO] [stdout] 278841fed0bd3a73b0af61bd6d0773575794cbb0aa400a2b886f0fccef6e1bd1