[INFO] cloning repository https://github.com/PNZeml/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PNZeml/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68a4525fc9b0c79f4fdf75ad5554bd677933a9c3
[INFO] checking PNZeml/rust_playground against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PNZeml/rust_playground on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PNZeml/rust_playground
[INFO] finished tweaking git repo https://github.com/PNZeml/rust_playground
[INFO] tweaked toml for git repo https://github.com/PNZeml/rust_playground written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/PNZeml/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e2de02cff43c2857dffd23edc0a07e40bb8cdbbb810028c042cd2c0ae3fb5ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2e2de02cff43c2857dffd23edc0a07e40bb8cdbbb810028c042cd2c0ae3fb5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e2de02cff43c2857dffd23edc0a07e40bb8cdbbb810028c042cd2c0ae3fb5ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2de02cff43c2857dffd23edc0a07e40bb8cdbbb810028c042cd2c0ae3fb5ce", kill_on_drop: false }`
[INFO] [stdout] 2e2de02cff43c2857dffd23edc0a07e40bb8cdbbb810028c042cd2c0ae3fb5ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbfbd68244746231ad01b947561692e2d1a4c67c651816f12ddb46309054ba45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fbfbd68244746231ad01b947561692e2d1a4c67c651816f12ddb46309054ba45", kill_on_drop: false }`
[INFO] [stderr] Checking colored v1.6.1
[INFO] [stderr] Checking num_cpus v1.9.0
[INFO] [stderr] Compiling syn v0.15.23
[INFO] [stderr] Checking rand v0.6.1
[INFO] [stderr] Checking rayon-core v1.4.1
[INFO] [stderr] Checking rayon v1.0.3
[INFO] [stderr] Checking jpeg-decoder v0.1.15
[INFO] [stderr] Compiling num-derive v0.2.3
[INFO] [stderr] Checking tiff v0.2.1
[INFO] [stderr] Checking image v0.20.1
[INFO] [stderr] Checking simple_hebbian_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:91:21
[INFO] [stdout] |
[INFO] [stdout] 91 | let mut n = rng.gen_range(0, DATA_SETS);
[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] [stdout] warning: associated function is never used: `new`
[INFO] [stdout] --> src/model/input.rs:18:12
[INFO] [stdout] |
[INFO] [stdout] 18 | pub fn new(name: &str, signals: &[i128], class: ImageClass) -> Option {
[INFO] [stdout] | ^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout] --> src/model/weight.rs:70:12
[INFO] [stdout] |
[INFO] [stdout] 70 | pub fn print(self) {
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `One`
[INFO] [stdout] --> src/model/image_class.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 7 | One,
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `Two`
[INFO] [stdout] --> src/model/image_class.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | Two,
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout] --> src/model/image_class.rs:9:5
[INFO] [stdout] |
[INFO] [stdout] 9 | Three,
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout] --> src/main.rs:91:21
[INFO] [stdout] |
[INFO] [stdout] 91 | let mut n = rng.gen_range(0, DATA_SETS);
[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] [stdout] warning: associated function is never used: `new`
[INFO] [stdout] --> src/model/input.rs:18:12
[INFO] [stdout] |
[INFO] [stdout] 18 | pub fn new(name: &str, signals: &[i128], class: ImageClass) -> Option {
[INFO] [stdout] | ^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function is never used: `print`
[INFO] [stdout] --> src/model/weight.rs:70:12
[INFO] [stdout] |
[INFO] [stdout] 70 | pub fn print(self) {
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `One`
[INFO] [stdout] --> src/model/image_class.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 7 | One,
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `Two`
[INFO] [stdout] --> src/model/image_class.rs:8:5
[INFO] [stdout] |
[INFO] [stdout] 8 | Two,
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variant is never constructed: `Three`
[INFO] [stdout] --> src/model/image_class.rs:9:5
[INFO] [stdout] |
[INFO] [stdout] 9 | Three,
[INFO] [stdout] | ^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/main.rs:56:9
[INFO] [stdout] |
[INFO] [stdout] 56 | create_directory(&new_folder_path);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/main.rs:104:13
[INFO] [stdout] |
[INFO] [stdout] 104 | weights[i].to_file(&path_to_weight);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/main.rs:56:9
[INFO] [stdout] |
[INFO] [stdout] 56 | create_directory(&new_folder_path);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout] --> src/main.rs:104:13
[INFO] [stdout] |
[INFO] [stdout] 104 | weights[i].to_file(&path_to_weight);
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.02s
[INFO] running `Command { std: "docker" "inspect" "fbfbd68244746231ad01b947561692e2d1a4c67c651816f12ddb46309054ba45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfbd68244746231ad01b947561692e2d1a4c67c651816f12ddb46309054ba45", kill_on_drop: false }`
[INFO] [stdout] fbfbd68244746231ad01b947561692e2d1a4c67c651816f12ddb46309054ba45