[INFO] cloning repository https://github.com/emilio/nn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emilio/nn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fnn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fnn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8cda885b450db2983bd4b503ff00a19cba5dce0 [INFO] testing emilio/nn against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femilio%2Fnn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/emilio/nn on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/emilio/nn [INFO] finished tweaking git repo https://github.com/emilio/nn [INFO] tweaked toml for git repo https://github.com/emilio/nn written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/emilio/nn 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b7952d8ecb50063ef5d3505e4994aeb05283e9555f569cb0b8ee55d2f33171da [INFO] running `Command { std: "docker" "start" "-a" "b7952d8ecb50063ef5d3505e4994aeb05283e9555f569cb0b8ee55d2f33171da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b7952d8ecb50063ef5d3505e4994aeb05283e9555f569cb0b8ee55d2f33171da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b7952d8ecb50063ef5d3505e4994aeb05283e9555f569cb0b8ee55d2f33171da", kill_on_drop: false }` [INFO] [stdout] b7952d8ecb50063ef5d3505e4994aeb05283e9555f569cb0b8ee55d2f33171da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47386af2272a49af8dea4e2142db861f6cffb6b0ae517aab69af20c0186add3b [INFO] running `Command { std: "docker" "start" "-a" "47386af2272a49af8dea4e2142db861f6cffb6b0ae517aab69af20c0186add3b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling gcc v0.3.49 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling unicode-width v0.1.4 [INFO] [stderr] Compiling ansi_term v0.9.0 [INFO] [stderr] Compiling unicode-segmentation v1.2.0 [INFO] [stderr] Compiling vec_map v0.8.0 [INFO] [stderr] Compiling bitflags v0.8.2 [INFO] [stderr] Compiling cmake v0.1.24 [INFO] [stderr] Compiling term_size v0.3.0 [INFO] [stderr] Compiling atty v0.2.2 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling clap v2.24.2 [INFO] [stderr] Compiling neural-networks-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:215:21 [INFO] [stdout] | [INFO] [stdout] 215 | let (l, mut r) = self.layers.split_at_mut(i); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 226 | let mut output_layer = self.layers.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | let mut this_layer = match iter.next() { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:259:24 [INFO] [stdout] | [INFO] [stdout] 259 | while let Some(mut previous_layer) = next { [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | let mut this_layer = match iter.next() { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `label`, `rows`, and `columns` are never read [INFO] [stdout] --> src/main.rs:414:5 [INFO] [stdout] | [INFO] [stdout] 411 | struct MNISTLabeledImage { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 414 | label: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 415 | rows: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 416 | columns: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MNISTLabeledImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.42s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "47386af2272a49af8dea4e2142db861f6cffb6b0ae517aab69af20c0186add3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47386af2272a49af8dea4e2142db861f6cffb6b0ae517aab69af20c0186add3b", kill_on_drop: false }` [INFO] [stdout] 47386af2272a49af8dea4e2142db861f6cffb6b0ae517aab69af20c0186add3b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0cdce352008109b4839d01d3b71b421180ea9f5a60d918d71dfd47251e204d70 [INFO] running `Command { std: "docker" "start" "-a" "0cdce352008109b4839d01d3b71b421180ea9f5a60d918d71dfd47251e204d70", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling neural-networks-practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:215:21 [INFO] [stdout] | [INFO] [stdout] 215 | let (l, mut r) = self.layers.split_at_mut(i); [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:226:17 [INFO] [stdout] | [INFO] [stdout] 226 | let mut output_layer = self.layers.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:238:21 [INFO] [stdout] | [INFO] [stdout] 238 | let mut this_layer = match iter.next() { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:259:24 [INFO] [stdout] | [INFO] [stdout] 259 | while let Some(mut previous_layer) = next { [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:260:17 [INFO] [stdout] | [INFO] [stdout] 260 | let mut this_layer = match iter.next() { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `label`, `rows`, and `columns` are never read [INFO] [stdout] --> src/main.rs:414:5 [INFO] [stdout] | [INFO] [stdout] 411 | struct MNISTLabeledImage { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 414 | label: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 415 | rows: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] 416 | columns: usize, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MNISTLabeledImage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bitflags v0.8.2 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "0cdce352008109b4839d01d3b71b421180ea9f5a60d918d71dfd47251e204d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cdce352008109b4839d01d3b71b421180ea9f5a60d918d71dfd47251e204d70", kill_on_drop: false }` [INFO] [stdout] 0cdce352008109b4839d01d3b71b421180ea9f5a60d918d71dfd47251e204d70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e75e13b33d5a83b873793de3cc06310563a0cae2b629ccb1cee9f237303a3b1c [INFO] running `Command { std: "docker" "start" "-a" "e75e13b33d5a83b873793de3cc06310563a0cae2b629ccb1cee9f237303a3b1c", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target" to rootfs at "/opt/rustwide/target": mkdir /var/lib/docker/overlay2/4a4b20036fab1034a5b27b50c62aac42a7cc0160899b6673c8c6f2905dbd2646/merged/opt/rustwide/target: no space left on device: unknown [INFO] running `Command { std: "docker" "inspect" "e75e13b33d5a83b873793de3cc06310563a0cae2b629ccb1cee9f237303a3b1c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e75e13b33d5a83b873793de3cc06310563a0cae2b629ccb1cee9f237303a3b1c", kill_on_drop: false }` [INFO] [stdout] e75e13b33d5a83b873793de3cc06310563a0cae2b629ccb1cee9f237303a3b1c