[INFO] cloning repository https://github.com/PatrickMcLennan/rust_word_search
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PatrickMcLennan/rust_word_search" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_word_search", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_word_search'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 065b311569b2b4458f2b6a11ba454ea3fa82a975
[INFO] testing PatrickMcLennan/rust_word_search against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPatrickMcLennan%2Frust_word_search" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PatrickMcLennan/rust_word_search 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 git repo https://github.com/PatrickMcLennan/rust_word_search
[INFO] finished tweaking git repo https://github.com/PatrickMcLennan/rust_word_search
[INFO] tweaked toml for git repo https://github.com/PatrickMcLennan/rust_word_search written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/PatrickMcLennan/rust_word_search already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 30ff7e8fd58b23d0835363b686372533273401c1c8435e5488a079fb22019828
[INFO] running `Command { std: "docker" "start" "-a" "30ff7e8fd58b23d0835363b686372533273401c1c8435e5488a079fb22019828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ff7e8fd58b23d0835363b686372533273401c1c8435e5488a079fb22019828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff7e8fd58b23d0835363b686372533273401c1c8435e5488a079fb22019828", kill_on_drop: false }`
[INFO] [stdout] 30ff7e8fd58b23d0835363b686372533273401c1c8435e5488a079fb22019828
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 63990a9bf59a94330b47548828b2b573089c8641a48858d47930832ee78e3768
[INFO] running `Command { std: "docker" "start" "-a" "63990a9bf59a94330b47548828b2b573089c8641a48858d47930832ee78e3768", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_word_finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "63990a9bf59a94330b47548828b2b573089c8641a48858d47930832ee78e3768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63990a9bf59a94330b47548828b2b573089c8641a48858d47930832ee78e3768", kill_on_drop: false }`
[INFO] [stdout] 63990a9bf59a94330b47548828b2b573089c8641a48858d47930832ee78e3768
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 89d0abd350afcac79b92559d1c470bbd5b2a9202622316778afb4fbcb39fc8cb
[INFO] running `Command { std: "docker" "start" "-a" "89d0abd350afcac79b92559d1c470bbd5b2a9202622316778afb4fbcb39fc8cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_word_finder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "89d0abd350afcac79b92559d1c470bbd5b2a9202622316778afb4fbcb39fc8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d0abd350afcac79b92559d1c470bbd5b2a9202622316778afb4fbcb39fc8cb", kill_on_drop: false }`
[INFO] [stdout] 89d0abd350afcac79b92559d1c470bbd5b2a9202622316778afb4fbcb39fc8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 41fe77157027b32b1e485a70f33a3dc2fc100ceb43b633d19ed15317f7dd7e69
[INFO] running `Command { std: "docker" "start" "-a" "41fe77157027b32b1e485a70f33a3dc2fc100ceb43b633d19ed15317f7dd7e69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_word_finder-06092629a824953a)
[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" "41fe77157027b32b1e485a70f33a3dc2fc100ceb43b633d19ed15317f7dd7e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fe77157027b32b1e485a70f33a3dc2fc100ceb43b633d19ed15317f7dd7e69", kill_on_drop: false }`
[INFO] [stdout] 41fe77157027b32b1e485a70f33a3dc2fc100ceb43b633d19ed15317f7dd7e69