[INFO] cloning repository https://github.com/o-tsaruk/search_difference_algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/o-tsaruk/search_difference_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-tsaruk%2Fsearch_difference_algorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-tsaruk%2Fsearch_difference_algorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e504e570acfc6a74e0babbc9ab8c428596a9ce3
[INFO] testing o-tsaruk/search_difference_algorithm against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-tsaruk%2Fsearch_difference_algorithm" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/o-tsaruk/search_difference_algorithm on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/o-tsaruk/search_difference_algorithm
[INFO] finished tweaking git repo https://github.com/o-tsaruk/search_difference_algorithm
[INFO] tweaked toml for git repo https://github.com/o-tsaruk/search_difference_algorithm written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate git repo https://github.com/o-tsaruk/search_difference_algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2d2569918acbd569479f03d61f0a7414feaaceac86f2ff86e35cb729354edaa
[INFO] running `Command { std: "docker" "start" "-a" "b2d2569918acbd569479f03d61f0a7414feaaceac86f2ff86e35cb729354edaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2d2569918acbd569479f03d61f0a7414feaaceac86f2ff86e35cb729354edaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d2569918acbd569479f03d61f0a7414feaaceac86f2ff86e35cb729354edaa", kill_on_drop: false }`
[INFO] [stdout] b2d2569918acbd569479f03d61f0a7414feaaceac86f2ff86e35cb729354edaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48809b794069ff290a87d738d7940d1d0e65061e2376aa856ba9a2be2ef5d849
[INFO] running `Command { std: "docker" "start" "-a" "48809b794069ff290a87d738d7940d1d0e65061e2376aa856ba9a2be2ef5d849", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling search_difference_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.15s
[INFO] running `Command { std: "docker" "inspect" "48809b794069ff290a87d738d7940d1d0e65061e2376aa856ba9a2be2ef5d849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48809b794069ff290a87d738d7940d1d0e65061e2376aa856ba9a2be2ef5d849", kill_on_drop: false }`
[INFO] [stdout] 48809b794069ff290a87d738d7940d1d0e65061e2376aa856ba9a2be2ef5d849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e40814e682817600cfa5de59b2c73c310ae9caef45662ebd7f787a6269e4abb
[INFO] running `Command { std: "docker" "start" "-a" "2e40814e682817600cfa5de59b2c73c310ae9caef45662ebd7f787a6269e4abb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling search_difference_algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "2e40814e682817600cfa5de59b2c73c310ae9caef45662ebd7f787a6269e4abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e40814e682817600cfa5de59b2c73c310ae9caef45662ebd7f787a6269e4abb", kill_on_drop: false }`
[INFO] [stdout] 2e40814e682817600cfa5de59b2c73c310ae9caef45662ebd7f787a6269e4abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93df69c64d9f5bdababd10b33d226a84e674eb28e8c265ffefa041c313c37dd5
[INFO] running `Command { std: "docker" "start" "-a" "93df69c64d9f5bdababd10b33d226a84e674eb28e8c265ffefa041c313c37dd5", 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 20.08s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/search_difference_algorithm-cf9d0fea6483ede4)
[INFO] [stdout] test tests::test_search_max_difference ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93df69c64d9f5bdababd10b33d226a84e674eb28e8c265ffefa041c313c37dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93df69c64d9f5bdababd10b33d226a84e674eb28e8c265ffefa041c313c37dd5", kill_on_drop: false }`
[INFO] [stdout] 93df69c64d9f5bdababd10b33d226a84e674eb28e8c265ffefa041c313c37dd5