[INFO] cloning repository https://github.com/gldanoob/nn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gldanoob/nn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgldanoob%2Fnn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgldanoob%2Fnn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 184efdeb21e4bf68fb9f51d58549ef0d33bde331
[INFO] testing gldanoob/nn-rust against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgldanoob%2Fnn-rust" "/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/gldanoob/nn-rust
[INFO] finished tweaking git repo https://github.com/gldanoob/nn-rust
[INFO] tweaked toml for git repo https://github.com/gldanoob/nn-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gldanoob/nn-rust on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gldanoob/nn-rust 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.159
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8207da0d5bb7f0621bec36ccc39f10e70cf52df82e0da37653fe3d471f9cac6f
[INFO] running `Command { std: "docker" "start" "-a" "8207da0d5bb7f0621bec36ccc39f10e70cf52df82e0da37653fe3d471f9cac6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8207da0d5bb7f0621bec36ccc39f10e70cf52df82e0da37653fe3d471f9cac6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8207da0d5bb7f0621bec36ccc39f10e70cf52df82e0da37653fe3d471f9cac6f", kill_on_drop: false }`
[INFO] [stdout] 8207da0d5bb7f0621bec36ccc39f10e70cf52df82e0da37653fe3d471f9cac6f
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7d832fa29e9845aef22bfe1221c94afd6591eb4dd6a1d508c8b95eaf15c8f33b
[INFO] running `Command { std: "docker" "start" "-a" "7d832fa29e9845aef22bfe1221c94afd6591eb4dd6a1d508c8b95eaf15c8f33b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling csv v1.2.1
[INFO] [stderr]    Compiling nn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::Output`
[INFO] [stdout]  --> src/linalg.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::*, process::Output};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice_x` is never used
[INFO] [stdout]    --> src/linalg.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 167 |     pub fn slice_x(&self, range: std::ops::Range<usize>) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "7d832fa29e9845aef22bfe1221c94afd6591eb4dd6a1d508c8b95eaf15c8f33b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d832fa29e9845aef22bfe1221c94afd6591eb4dd6a1d508c8b95eaf15c8f33b", kill_on_drop: false }`
[INFO] [stdout] 7d832fa29e9845aef22bfe1221c94afd6591eb4dd6a1d508c8b95eaf15c8f33b
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] e9a256e0b628cf6ca66b348c340edcc4666ac609241547cb368754dec513f77c
[INFO] running `Command { std: "docker" "start" "-a" "e9a256e0b628cf6ca66b348c340edcc4666ac609241547cb368754dec513f77c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `process::Output`
[INFO] [stdout]  --> src/linalg.rs:1:19
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ops::*, process::Output};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `slice_x` is never used
[INFO] [stdout]    --> src/linalg.rs:167:12
[INFO] [stdout]     |
[INFO] [stdout] 12  | impl Matrix {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 167 |     pub fn slice_x(&self, range: std::ops::Range<usize>) -> Matrix {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "e9a256e0b628cf6ca66b348c340edcc4666ac609241547cb368754dec513f77c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a256e0b628cf6ca66b348c340edcc4666ac609241547cb368754dec513f77c", kill_on_drop: false }`
[INFO] [stdout] e9a256e0b628cf6ca66b348c340edcc4666ac609241547cb368754dec513f77c
[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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 2bb76d1e68e946dab028bf79f4825d0ca33ff37be645122ce40de4a1214742df
[INFO] running `Command { std: "docker" "start" "-a" "2bb76d1e68e946dab028bf79f4825d0ca33ff37be645122ce40de4a1214742df", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `process::Output`
[INFO] [stderr]  --> src/linalg.rs:1:19
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ops::*, process::Output};
[INFO] [stderr]   |                   ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `slice_x` is never used
[INFO] [stderr]    --> src/linalg.rs:167:12
[INFO] [stderr]     |
[INFO] [stderr] 12  | impl Matrix {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 167 |     pub fn slice_x(&self, range: std::ops::Range<usize>) -> Matrix {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nn-rust` (bin "nn-rust" test) generated 2 warnings (run `cargo fix --bin "nn-rust" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/nn_rust-a54940a78fd94d22)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_matrix ... ok
[INFO] [stdout] test tests::test_nn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2bb76d1e68e946dab028bf79f4825d0ca33ff37be645122ce40de4a1214742df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb76d1e68e946dab028bf79f4825d0ca33ff37be645122ce40de4a1214742df", kill_on_drop: false }`
[INFO] [stdout] 2bb76d1e68e946dab028bf79f4825d0ca33ff37be645122ce40de4a1214742df