[INFO] cloning repository https://github.com/gabrielfonte/rust-course [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gabrielfonte/rust-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielfonte%2Frust-course", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielfonte%2Frust-course'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab4fe98366b05101aad66acabb103b42c5e75648 [INFO] checking gabrielfonte/rust-course against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielfonte%2Frust-course" "/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/gabrielfonte/rust-course on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gabrielfonte/rust-course [INFO] finished tweaking git repo https://github.com/gabrielfonte/rust-course [INFO] tweaked toml for git repo https://github.com/gabrielfonte/rust-course written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gabrielfonte/rust-course 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded zerocopy-derive v0.8.0-alpha.5 [INFO] [stderr] Downloaded rand_chacha v0.9.0-alpha.0 [INFO] [stderr] Downloaded zerocopy v0.8.0-alpha.5 [INFO] [stderr] Downloaded rand_core v0.9.0-alpha.0 [INFO] [stderr] Downloaded rand v0.9.0-alpha.0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] Error response from daemon: symlink ../65e952e61e57a1ef48f8e2be5b33f78ce0106997cbc9d449140fc778eeadfb7f/diff /var/lib/docker/overlay2/l/B3IRF4BI3G7Z7CLCXYUMESAF3T: no space left on device [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 1 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking gabrielfonte/rust-course against try#7ee76453dd3eae6de6c1351f26482bed63b01beb for pr-121545 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgabrielfonte%2Frust-course" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gabrielfonte/rust-course on toolchain 7ee76453dd3eae6de6c1351f26482bed63b01beb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gabrielfonte/rust-course [INFO] finished tweaking git repo https://github.com/gabrielfonte/rust-course [INFO] tweaked toml for git repo https://github.com/gabrielfonte/rust-course written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/gabrielfonte/rust-course 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" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 537facdf4a8cc086e52a0abd2a5b81ee2b4e8e2e66cbd5b4750e9b1544a7d3cf [INFO] running `Command { std: "docker" "start" "-a" "537facdf4a8cc086e52a0abd2a5b81ee2b4e8e2e66cbd5b4750e9b1544a7d3cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "537facdf4a8cc086e52a0abd2a5b81ee2b4e8e2e66cbd5b4750e9b1544a7d3cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "537facdf4a8cc086e52a0abd2a5b81ee2b4e8e2e66cbd5b4750e9b1544a7d3cf", kill_on_drop: false }` [INFO] [stdout] 537facdf4a8cc086e52a0abd2a5b81ee2b4e8e2e66cbd5b4750e9b1544a7d3cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+7ee76453dd3eae6de6c1351f26482bed63b01beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b9271d291d3e4e6c7c1fb684ad371ece76105df349b17cc0195181fc642b870c [INFO] running `Command { std: "docker" "start" "-a" "b9271d291d3e4e6c7c1fb684ad371ece76105df349b17cc0195181fc642b870c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling zerocopy v0.8.0-alpha.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.9.0-alpha.0 [INFO] [stderr] Checking rand_chacha v0.9.0-alpha.0 [INFO] [stderr] Checking rand v0.9.0-alpha.0 [INFO] [stderr] Checking rust_course v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem::size_of` [INFO] [stdout] --> src/module3_types.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::size_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::size_of` [INFO] [stdout] --> src/module3_types.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem::size_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/module3_types.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/module3_types.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chip_proportion` [INFO] [stdout] --> src/module4_logic.rs:195:30 [INFO] [stdout] | [INFO] [stdout] 195 | Meal::FishAndChips { chip_proportion } => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: try ignoring the field: `chip_proportion: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `chip_proportion` [INFO] [stdout] --> src/module4_logic.rs:195:30 [INFO] [stdout] | [INFO] [stdout] 195 | Meal::FishAndChips { chip_proportion } => { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: try ignoring the field: `chip_proportion: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/module4_logic.rs:316:9 [INFO] [stdout] | [INFO] [stdout] 316 | let x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/module4_logic.rs:319:9 [INFO] [stdout] | [INFO] [stdout] 319 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/module4_logic.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | let y = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `x` is assigned to, but never used [INFO] [stdout] --> src/module4_logic.rs:316:9 [INFO] [stdout] | [INFO] [stdout] 316 | let x; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_x` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> src/module4_logic.rs:319:9 [INFO] [stdout] | [INFO] [stdout] 319 | x = 3; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/module4_logic.rs:323:9 [INFO] [stdout] | [INFO] [stdout] 323 | let y = { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `North`, `South`, and `West` are never constructed [INFO] [stdout] --> src/module3_types.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 77 | enum CardinalDirection { [INFO] [stdout] | ----------------- variants in this enum [INFO] [stdout] 78 | North, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 79 | East, [INFO] [stdout] 80 | South, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 81 | West, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CardinalDirection` 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] [stdout] warning: variants `Square` and `Circle` are never constructed [INFO] [stdout] --> src/module3_types.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 87 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 88 | Square { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | Circle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `likes_brownies` is never read [INFO] [stdout] --> src/module4_logic.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct Person { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | likes_brownies: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u32_add_alternative` is never used [INFO] [stdout] --> src/module4_logic.rs:353:8 [INFO] [stdout] | [INFO] [stdout] 353 | fn u32_add_alternative(a: u32, b: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `North`, `South`, and `West` are never constructed [INFO] [stdout] --> src/module3_types.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 77 | enum CardinalDirection { [INFO] [stdout] | ----------------- variants in this enum [INFO] [stdout] 78 | North, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 79 | East, [INFO] [stdout] 80 | South, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 81 | West, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CardinalDirection` 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] [stdout] warning: variants `Square` and `Circle` are never constructed [INFO] [stdout] --> src/module3_types.rs:88:9 [INFO] [stdout] | [INFO] [stdout] 87 | enum Shape { [INFO] [stdout] | ----- variants in this enum [INFO] [stdout] 88 | Square { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | Circle { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `likes_brownies` is never read [INFO] [stdout] --> src/module4_logic.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | struct Person { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | likes_brownies: bool, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u32_add_alternative` is never used [INFO] [stdout] --> src/module4_logic.rs:353:8 [INFO] [stdout] | [INFO] [stdout] 353 | fn u32_add_alternative(a: u32, b: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `Command { std: "docker" "inspect" "b9271d291d3e4e6c7c1fb684ad371ece76105df349b17cc0195181fc642b870c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9271d291d3e4e6c7c1fb684ad371ece76105df349b17cc0195181fc642b870c", kill_on_drop: false }` [INFO] [stdout] b9271d291d3e4e6c7c1fb684ad371ece76105df349b17cc0195181fc642b870c