[INFO] cloning repository https://github.com/TsaoLun/ml-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TsaoLun/ml-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTsaoLun%2Fml-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTsaoLun%2Fml-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2bb407ab86489144631d3c3f325f74a5dadde15
[INFO] testing TsaoLun/ml-rs against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTsaoLun%2Fml-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TsaoLun/ml-rs on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TsaoLun/ml-rs
[INFO] finished tweaking git repo https://github.com/TsaoLun/ml-rs
[INFO] tweaked toml for git repo https://github.com/TsaoLun/ml-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/TsaoLun/ml-rs 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd7e4afbdea8f1bb8b7ef396712ad674e6920949c2df4d551418b37983e9803a
[INFO] running `Command { std: "docker" "start" "-a" "cd7e4afbdea8f1bb8b7ef396712ad674e6920949c2df4d551418b37983e9803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd7e4afbdea8f1bb8b7ef396712ad674e6920949c2df4d551418b37983e9803a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd7e4afbdea8f1bb8b7ef396712ad674e6920949c2df4d551418b37983e9803a", kill_on_drop: false }`
[INFO] [stdout] cd7e4afbdea8f1bb8b7ef396712ad674e6920949c2df4d551418b37983e9803a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0ae1f547426c1c2073b7c1ff35ab3da69381552962947d25c49b634a2004591
[INFO] running `Command { std: "docker" "start" "-a" "a0ae1f547426c1c2073b7c1ff35ab3da69381552962947d25c49b634a2004591", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling mnist v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-complex v0.4.3
[INFO] [stderr]    Compiling ndarray v0.15.6
[INFO] [stderr]    Compiling ml-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::learn_data::LearnData`
[INFO] [stdout]  --> src/ch3_nlp.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::learn_data::LearnData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `Command { std: "docker" "inspect" "a0ae1f547426c1c2073b7c1ff35ab3da69381552962947d25c49b634a2004591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ae1f547426c1c2073b7c1ff35ab3da69381552962947d25c49b634a2004591", kill_on_drop: false }`
[INFO] [stdout] a0ae1f547426c1c2073b7c1ff35ab3da69381552962947d25c49b634a2004591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a0b4cadf739af27b5b48b17ae12658bd4d4a04d22a936fb5cf6a086a82e0c32
[INFO] running `Command { std: "docker" "start" "-a" "4a0b4cadf739af27b5b48b17ae12658bd4d4a04d22a936fb5cf6a086a82e0c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling ml-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `acc`
[INFO] [stdout]    --> src/ch3_nlp.rs:186:13
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut acc = 0;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/ch3_nlp.rs:188:13
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let p = predict(network.clone(), test[i].image_parts.map(|e| *e as f64));
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ch3_nlp.rs:186:9
[INFO] [stdout]     |
[INFO] [stdout] 186 |     let mut acc = 0;
[INFO] [stdout]     |         ----^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "4a0b4cadf739af27b5b48b17ae12658bd4d4a04d22a936fb5cf6a086a82e0c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a0b4cadf739af27b5b48b17ae12658bd4d4a04d22a936fb5cf6a086a82e0c32", kill_on_drop: false }`
[INFO] [stdout] 4a0b4cadf739af27b5b48b17ae12658bd4d4a04d22a936fb5cf6a086a82e0c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9a761767b90da70ed076f22aaaf7b08bf1558f1e92ecd0f8e3e29e3c2f21f7c8
[INFO] running `Command { std: "docker" "start" "-a" "9a761767b90da70ed076f22aaaf7b08bf1558f1e92ecd0f8e3e29e3c2f21f7c8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `acc`
[INFO] [stderr]    --> src/ch3_nlp.rs:186:13
[INFO] [stderr]     |
[INFO] [stderr] 186 |     let mut acc = 0;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_acc`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/ch3_nlp.rs:188:13
[INFO] [stderr]     |
[INFO] [stderr] 188 |         let p = predict(network.clone(), test[i].image_parts.map(|e| *e as f64));
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ch3_nlp.rs:186:9
[INFO] [stderr]     |
[INFO] [stderr] 186 |     let mut acc = 0;
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ml-rs` (bin "ml-rs" test) generated 3 warnings (run `cargo fix --bin "ml-rs" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ml_rs-74e1b9e8b31e6660)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test ch2_perceptron::_nand ... ok
[INFO] [stdout] test ch2_perceptron::_and ... ok
[INFO] [stdout] test ch2_perceptron::_xor ... ok
[INFO] [stdout] test ch3_nlp::_matrix ... ok
[INFO] [stdout] test ch2_perceptron::_or ... ok
[INFO] [stdout] test ch3_nlp::_test_sigmod ... ok
[INFO] [stdout] test ch3_nlp::test_exp ... ok
[INFO] [stdout] test ch3_nlp::test_softmax ... ok
[INFO] [stdout] test ch3_nlp::test_forward ... ok
[INFO] [stdout] test ch3_nlp::_matrix_err - should panic ... ok
[INFO] [stdout] test ch3_nlp::accuracy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a761767b90da70ed076f22aaaf7b08bf1558f1e92ecd0f8e3e29e3c2f21f7c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a761767b90da70ed076f22aaaf7b08bf1558f1e92ecd0f8e3e29e3c2f21f7c8", kill_on_drop: false }`
[INFO] [stdout] 9a761767b90da70ed076f22aaaf7b08bf1558f1e92ecd0f8e3e29e3c2f21f7c8