[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#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPNZeml%2Frust_playground" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/PNZeml/rust_playground on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 801e0c3c3f4769c8ccb8047d1975a83be6584c7363909b42cc5b311372922547 [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" "801e0c3c3f4769c8ccb8047d1975a83be6584c7363909b42cc5b311372922547", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "801e0c3c3f4769c8ccb8047d1975a83be6584c7363909b42cc5b311372922547", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "801e0c3c3f4769c8ccb8047d1975a83be6584c7363909b42cc5b311372922547", kill_on_drop: false }` [INFO] [stdout] 801e0c3c3f4769c8ccb8047d1975a83be6584c7363909b42cc5b311372922547 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c43393613aff393e7f403473325c91dda8b9d357d8d295b4db753f18af062ae6 [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" "c43393613aff393e7f403473325c91dda8b9d357d8d295b4db753f18af062ae6", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking inflate v0.4.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking colored v1.6.1 [INFO] [stderr] Checking gif v0.10.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Compiling rand_chacha v0.1.0 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand v0.6.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking png v0.12.0 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [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 `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 `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: unused `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 `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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 23.67s [INFO] running `Command { std: "docker" "inspect" "c43393613aff393e7f403473325c91dda8b9d357d8d295b4db753f18af062ae6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c43393613aff393e7f403473325c91dda8b9d357d8d295b4db753f18af062ae6", kill_on_drop: false }` [INFO] [stdout] c43393613aff393e7f403473325c91dda8b9d357d8d295b4db753f18af062ae6