[INFO] fetching crate rust_grep 0.1.0...
[INFO] testing rust_grep-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rust_grep 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate rust_grep 0.1.0 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 crates.io crate rust_grep 0.1.0
[INFO] finished tweaking crates.io crate rust_grep 0.1.0
[INFO] tweaked toml for crates.io crate rust_grep 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate rust_grep 0.1.0 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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b1b1bb39e9c7df4c458029fe04e5ad1509b8827c9a5a0247d140bd854e4f27e8
[INFO] running `Command { std: "docker" "start" "-a" "b1b1bb39e9c7df4c458029fe04e5ad1509b8827c9a5a0247d140bd854e4f27e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b1bb39e9c7df4c458029fe04e5ad1509b8827c9a5a0247d140bd854e4f27e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b1bb39e9c7df4c458029fe04e5ad1509b8827c9a5a0247d140bd854e4f27e8", kill_on_drop: false }`
[INFO] [stdout] b1b1bb39e9c7df4c458029fe04e5ad1509b8827c9a5a0247d140bd854e4f27e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6f69fe62cb64fa0ee1800d261a1cdb3f506c10a3e9677cbc1b869c61080a2456
[INFO] running `Command { std: "docker" "start" "-a" "6f69fe62cb64fa0ee1800d261a1cdb3f506c10a3e9677cbc1b869c61080a2456", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "6f69fe62cb64fa0ee1800d261a1cdb3f506c10a3e9677cbc1b869c61080a2456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f69fe62cb64fa0ee1800d261a1cdb3f506c10a3e9677cbc1b869c61080a2456", kill_on_drop: false }`
[INFO] [stdout] 6f69fe62cb64fa0ee1800d261a1cdb3f506c10a3e9677cbc1b869c61080a2456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4961f75b819440f7931034d6f90133202dee119ddf3db116f7ca7b267ea69f0f
[INFO] running `Command { std: "docker" "start" "-a" "4961f75b819440f7931034d6f90133202dee119ddf3db116f7ca7b267ea69f0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_grep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_grep-0ce4ace8c2bb0172)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_grep-786377da349086e7)
[INFO] running `Command { std: "docker" "inspect" "4961f75b819440f7931034d6f90133202dee119ddf3db116f7ca7b267ea69f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4961f75b819440f7931034d6f90133202dee119ddf3db116f7ca7b267ea69f0f", kill_on_drop: false }`
[INFO] [stdout] 4961f75b819440f7931034d6f90133202dee119ddf3db116f7ca7b267ea69f0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 4009bfdfbbb5d7399cad4ed07cb7814974d971757c703d3981e02ec5faa2584c
[INFO] running `Command { std: "docker" "start" "-a" "4009bfdfbbb5d7399cad4ed07cb7814974d971757c703d3981e02ec5faa2584c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_grep-0ce4ace8c2bb0172)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::one_result ... 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 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_grep-786377da349086e7)
[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 rust_grep
[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" "4009bfdfbbb5d7399cad4ed07cb7814974d971757c703d3981e02ec5faa2584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4009bfdfbbb5d7399cad4ed07cb7814974d971757c703d3981e02ec5faa2584c", kill_on_drop: false }`
[INFO] [stdout] 4009bfdfbbb5d7399cad4ed07cb7814974d971757c703d3981e02ec5faa2584c