[INFO] fetching crate minigrep_tutorial 0.1.0...
[INFO] testing minigrep_tutorial-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate minigrep_tutorial 0.1.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate minigrep_tutorial 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minigrep_tutorial 0.1.0
[INFO] finished tweaking crates.io crate minigrep_tutorial 0.1.0
[INFO] tweaked toml for crates.io crate minigrep_tutorial 0.1.0 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 402c790d0ecdd0fae0d202a20c8016d0d262139ecbe64bfcd564dcade98b13f4
[INFO] running `Command { std: "docker" "start" "-a" "402c790d0ecdd0fae0d202a20c8016d0d262139ecbe64bfcd564dcade98b13f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "402c790d0ecdd0fae0d202a20c8016d0d262139ecbe64bfcd564dcade98b13f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402c790d0ecdd0fae0d202a20c8016d0d262139ecbe64bfcd564dcade98b13f4", kill_on_drop: false }`
[INFO] [stdout] 402c790d0ecdd0fae0d202a20c8016d0d262139ecbe64bfcd564dcade98b13f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e745a0bd778dae308e2c19691b7bc35258f1e079e040bb157f15b61018c5182
[INFO] running `Command { std: "docker" "start" "-a" "3e745a0bd778dae308e2c19691b7bc35258f1e079e040bb157f15b61018c5182", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "3e745a0bd778dae308e2c19691b7bc35258f1e079e040bb157f15b61018c5182", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e745a0bd778dae308e2c19691b7bc35258f1e079e040bb157f15b61018c5182", kill_on_drop: false }`
[INFO] [stdout] 3e745a0bd778dae308e2c19691b7bc35258f1e079e040bb157f15b61018c5182
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b551bfa154700da1dc7e019f4b5c5f0e9da78b98e5662158babd0a65be3ad321
[INFO] running `Command { std: "docker" "start" "-a" "b551bfa154700da1dc7e019f4b5c5f0e9da78b98e5662158babd0a65be3ad321", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep_tutorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b551bfa154700da1dc7e019f4b5c5f0e9da78b98e5662158babd0a65be3ad321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b551bfa154700da1dc7e019f4b5c5f0e9da78b98e5662158babd0a65be3ad321", kill_on_drop: false }`
[INFO] [stdout] b551bfa154700da1dc7e019f4b5c5f0e9da78b98e5662158babd0a65be3ad321
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 79c7974c4877af311dbb9c8b254aac0637f069f3853843f7ee5e8ba1f87ada46
[INFO] running `Command { std: "docker" "start" "-a" "79c7974c4877af311dbb9c8b254aac0637f069f3853843f7ee5e8ba1f87ada46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/minigrep_tutorial-630fa2035df50647)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::case_insensitive ... ok
[INFO] [stdout] test tests::case_sensitive ... 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 (/opt/rustwide/target/debug/deps/minigrep_tutorial-f3d3047a02e6abb7)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minigrep_tutorial
[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 1 test
[INFO] [stdout] test src/lib.rs - utilities::search (line 63) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79c7974c4877af311dbb9c8b254aac0637f069f3853843f7ee5e8ba1f87ada46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79c7974c4877af311dbb9c8b254aac0637f069f3853843f7ee5e8ba1f87ada46", kill_on_drop: false }`
[INFO] [stdout] 79c7974c4877af311dbb9c8b254aac0637f069f3853843f7ee5e8ba1f87ada46