[INFO] cloning repository https://github.com/kevinmcfarlane/rust-digit-recognizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinmcfarlane/rust-digit-recognizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmcfarlane%2Frust-digit-recognizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmcfarlane%2Frust-digit-recognizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73aa03ef77d8039ef9dbfddf43f7930abac9ce5f
[INFO] testing kevinmcfarlane/rust-digit-recognizer against master#b03b3a7ec92682be2917540b679478d41c95a30c for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinmcfarlane%2Frust-digit-recognizer" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevinmcfarlane/rust-digit-recognizer
[INFO] finished tweaking git repo https://github.com/kevinmcfarlane/rust-digit-recognizer
[INFO] tweaked toml for git repo https://github.com/kevinmcfarlane/rust-digit-recognizer written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinmcfarlane/rust-digit-recognizer on toolchain b03b3a7ec92682be2917540b679478d41c95a30c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevinmcfarlane/rust-digit-recognizer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simple-stopwatch v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9ccf842bcdb807dbfd4180b43748f2bbd557d6a1f3b25661fcd3d7994ec23b5
[INFO] running `Command { std: "docker" "start" "-a" "e9ccf842bcdb807dbfd4180b43748f2bbd557d6a1f3b25661fcd3d7994ec23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9ccf842bcdb807dbfd4180b43748f2bbd557d6a1f3b25661fcd3d7994ec23b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9ccf842bcdb807dbfd4180b43748f2bbd557d6a1f3b25661fcd3d7994ec23b5", kill_on_drop: false }`
[INFO] [stdout] e9ccf842bcdb807dbfd4180b43748f2bbd557d6a1f3b25661fcd3d7994ec23b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7049f8886cba8580147499b7de9496ec92fd17110fa64fea47567228ada1326e
[INFO] running `Command { std: "docker" "start" "-a" "7049f8886cba8580147499b7de9496ec92fd17110fa64fea47567228ada1326e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling pretty_assertions v1.4.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling simple-stopwatch v0.1.4
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling rust-digit-recognizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.72s
[INFO] running `Command { std: "docker" "inspect" "7049f8886cba8580147499b7de9496ec92fd17110fa64fea47567228ada1326e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7049f8886cba8580147499b7de9496ec92fd17110fa64fea47567228ada1326e", kill_on_drop: false }`
[INFO] [stdout] 7049f8886cba8580147499b7de9496ec92fd17110fa64fea47567228ada1326e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ad9a19004e94859a449450b47892b27b6ef8d8f80f6c48ae1d4ff936581a21b
[INFO] running `Command { std: "docker" "start" "-a" "7ad9a19004e94859a449450b47892b27b6ef8d8f80f6c48ae1d4ff936581a21b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-digit-recognizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "7ad9a19004e94859a449450b47892b27b6ef8d8f80f6c48ae1d4ff936581a21b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ad9a19004e94859a449450b47892b27b6ef8d8f80f6c48ae1d4ff936581a21b", kill_on_drop: false }`
[INFO] [stdout] 7ad9a19004e94859a449450b47892b27b6ef8d8f80f6c48ae1d4ff936581a21b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+b03b3a7ec92682be2917540b679478d41c95a30c" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91e80d164e107a7ea3ecc4d246147a62122b1983326b11fcd54abf96c9644937
[INFO] running `Command { std: "docker" "start" "-a" "91e80d164e107a7ea3ecc4d246147a62122b1983326b11fcd54abf96c9644937", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_digit_recognizer-7a26e5e24fcb3b7d)
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_basic_classifier_predict ... ok
[INFO] [stdout] test tests::test_basic_classifier_train ... ok
[INFO] [stdout] test tests::test_euclidean_distance_between ... ok
[INFO] [stdout] test tests::test_evaluator_score ... ok
[INFO] [stdout] test tests::test_observation_new ... ok
[INFO] [stdout] test tests::test_evaluator_percent_correct ... ok
[INFO] [stdout] test tests::test_manhattan_distance_between ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_digit_recognizer-8bf3f861d0bb5502)
[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_digit_recognizer
[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" "91e80d164e107a7ea3ecc4d246147a62122b1983326b11fcd54abf96c9644937", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e80d164e107a7ea3ecc4d246147a62122b1983326b11fcd54abf96c9644937", kill_on_drop: false }`
[INFO] [stdout] 91e80d164e107a7ea3ecc4d246147a62122b1983326b11fcd54abf96c9644937