[INFO] cloning repository https://github.com/kntt32/SurarueN
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kntt32/SurarueN" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkntt32%2FSurarueN", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkntt32%2FSurarueN'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c385ff8dca1bf82644a42317fa2699e748f54769
[INFO] testing kntt32/SurarueN against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkntt32%2FSurarueN" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kntt32/SurarueN on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kntt32/SurarueN
[INFO] finished tweaking git repo https://github.com/kntt32/SurarueN
[INFO] tweaked toml for git repo https://github.com/kntt32/SurarueN written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kntt32/SurarueN 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b094ca0973fee5b907c6799ed12c7b7904876fbb99513f2be855c1077244fbb0
[INFO] running `Command { std: "docker" "start" "-a" "b094ca0973fee5b907c6799ed12c7b7904876fbb99513f2be855c1077244fbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b094ca0973fee5b907c6799ed12c7b7904876fbb99513f2be855c1077244fbb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b094ca0973fee5b907c6799ed12c7b7904876fbb99513f2be855c1077244fbb0", kill_on_drop: false }`
[INFO] [stdout] b094ca0973fee5b907c6799ed12c7b7904876fbb99513f2be855c1077244fbb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87d0ed30cbcff8df0d32135f22d660a36fb04595bb578c1631dbfd3c44d0505b
[INFO] running `Command { std: "docker" "start" "-a" "87d0ed30cbcff8df0d32135f22d660a36fb04595bb578c1631dbfd3c44d0505b", kill_on_drop: false }`
[INFO] [stderr]    Compiling main v0.1.0 (/opt/rustwide/workdir/main)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> main/src/rand.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let swap_index = (((rand() & 0xffff_ffff) as usize) % i);
[INFO] [stdout]    |                          ^                                     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 27 -         let swap_index = (((rand() & 0xffff_ffff) as usize) % i);
[INFO] [stdout] 27 +         let swap_index = ((rand() & 0xffff_ffff) as usize) % i;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `map` is never used
[INFO] [stdout]   --> main/src/matrix.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Matrix {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub fn map<T: Fn(&mut f64)>(&mut self, clsr: T) -> &mut Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `relu` and `relu_diff` are never used
[INFO] [stdout]    --> main/src/neuron.rs:275:12
[INFO] [stdout]     |
[INFO] [stdout] 274 | impl Neuron {
[INFO] [stdout]     | ----------- associated functions in this implementation
[INFO] [stdout] 275 |     pub fn relu(y: &mut Matrix, u: &Matrix) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 281 |     pub fn relu_diff(y: &mut Matrix, u: &Matrix) {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `max` should have an upper case name
[INFO] [stdout]   --> main/src/main.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 |     const max: usize = 10;
[INFO] [stdout]    |           ^^^ help: convert the identifier to upper case: `MAX`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "87d0ed30cbcff8df0d32135f22d660a36fb04595bb578c1631dbfd3c44d0505b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d0ed30cbcff8df0d32135f22d660a36fb04595bb578c1631dbfd3c44d0505b", kill_on_drop: false }`
[INFO] [stdout] 87d0ed30cbcff8df0d32135f22d660a36fb04595bb578c1631dbfd3c44d0505b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/1337e8d0d30f66713a63a847abef4ac752298cb7b52507c336e8c1ed17dc303d/.tmp-config.v2.json1921644726: no space left on device