[INFO] updating cached repository https://github.com/kitagry/rust-deep-learning
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e37fb00e07d650cd8fdfc6ed8771d2a0f6527fd
[INFO] testing kitagry/rust-deep-learning against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkitagry%2Frust-deep-learning" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kitagry/rust-deep-learning on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kitagry/rust-deep-learning
[INFO] finished tweaking git repo https://github.com/kitagry/rust-deep-learning
[INFO] tweaked toml for git repo https://github.com/kitagry/rust-deep-learning written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/kitagry/rust-deep-learning already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 42be5fbabcd96b7fdd8c7aca71a8857e18dd3000cc0f366858d6fa9ad23fcf5b
[INFO] running `"docker" "start" "-a" "42be5fbabcd96b7fdd8c7aca71a8857e18dd3000cc0f366858d6fa9ad23fcf5b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling color_quant v1.0.1
[INFO] [stderr]    Compiling ndarray v0.13.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling mnist v0.4.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.3
[INFO] [stderr]    Compiling rust-deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_img`
[INFO] [stderr]   --> src/main.rs:68:7
[INFO] [stderr]    |
[INFO] [stderr] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.03s
[INFO] running `"docker" "inspect" "42be5fbabcd96b7fdd8c7aca71a8857e18dd3000cc0f366858d6fa9ad23fcf5b"`
[INFO] running `"docker" "rm" "-f" "42be5fbabcd96b7fdd8c7aca71a8857e18dd3000cc0f366858d6fa9ad23fcf5b"`
[INFO] [stdout] 42be5fbabcd96b7fdd8c7aca71a8857e18dd3000cc0f366858d6fa9ad23fcf5b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ade9046e4bf9e2ee345f20411bfe52f2dfa10c83cdf85656f0d26e3305316a4a
[INFO] running `"docker" "start" "-a" "ade9046e4bf9e2ee345f20411bfe52f2dfa10c83cdf85656f0d26e3305316a4a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-deep-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_img`
[INFO] [stderr]   --> src/main.rs:68:7
[INFO] [stderr]    |
[INFO] [stderr] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `"docker" "inspect" "ade9046e4bf9e2ee345f20411bfe52f2dfa10c83cdf85656f0d26e3305316a4a"`
[INFO] running `"docker" "rm" "-f" "ade9046e4bf9e2ee345f20411bfe52f2dfa10c83cdf85656f0d26e3305316a4a"`
[INFO] [stdout] ade9046e4bf9e2ee345f20411bfe52f2dfa10c83cdf85656f0d26e3305316a4a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7db4faab1763038afbffe9282190d7b8a26c7b57b7e5dc78ba26c00269c915b4
[INFO] running `"docker" "start" "-a" "7db4faab1763038afbffe9282190d7b8a26c7b57b7e5dc78ba26c00269c915b4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused variable: `trn_lbl`
[INFO] [stderr]   --> src/main.rs:67:7
[INFO] [stderr]    |
[INFO] [stderr] 67 |   let trn_lbl = rcarr1(&trn_lbl).reshape((trn_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_trn_lbl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_img`
[INFO] [stderr]   --> src/main.rs:68:7
[INFO] [stderr]    |
[INFO] [stderr] 68 |   let tst_img = rcarr1(&tst_img).reshape((tst_size, rows * cols));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_img`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tst_lbl`
[INFO] [stderr]   --> src/main.rs:69:7
[INFO] [stderr]    |
[INFO] [stderr] 69 |   let tst_lbl = rcarr1(&tst_lbl).reshape((tst_size, 10));
[INFO] [stderr]    |       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tst_lbl`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_deep_learning-6c24a386a5caeeac
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "7db4faab1763038afbffe9282190d7b8a26c7b57b7e5dc78ba26c00269c915b4"`
[INFO] running `"docker" "rm" "-f" "7db4faab1763038afbffe9282190d7b8a26c7b57b7e5dc78ba26c00269c915b4"`
[INFO] [stdout] 7db4faab1763038afbffe9282190d7b8a26c7b57b7e5dc78ba26c00269c915b4