[INFO] cloning repository https://github.com/suguni/maze-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suguni/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 133b9c4e2bba62a48ea5a0f583861ed96b223a5a [INFO] checking suguni/maze-rs against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuguni%2Fmaze-rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/suguni/maze-rs [INFO] finished tweaking git repo https://github.com/suguni/maze-rs [INFO] tweaked toml for git repo https://github.com/suguni/maze-rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/suguni/maze-rs on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/suguni/maze-rs 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded svg v0.10.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12752a5e05db0236f95f5c6949270961a543a2db8f4d4464d23431a4b72ed861 [INFO] running `Command { std: "docker" "start" "-a" "12752a5e05db0236f95f5c6949270961a543a2db8f4d4464d23431a4b72ed861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12752a5e05db0236f95f5c6949270961a543a2db8f4d4464d23431a4b72ed861", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12752a5e05db0236f95f5c6949270961a543a2db8f4d4464d23431a4b72ed861", kill_on_drop: false }` [INFO] [stdout] 12752a5e05db0236f95f5c6949270961a543a2db8f4d4464d23431a4b72ed861 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c53d0df63acb15a68125941c120b03163ddd212927061a85b2b5bc0cef256b1d [INFO] running `Command { std: "docker" "start" "-a" "c53d0df63acb15a68125941c120b03163ddd212927061a85b2b5bc0cef256b1d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.104 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.14 [INFO] [stderr] Checking radix_fmt v1.0.0 [INFO] [stderr] Checking svg v0.10.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking maze-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `svg` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use svg; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `line` is never used [INFO] [stdout] --> src/export_svg.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn line(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_svg` is never used [INFO] [stdout] --> src/export_svg.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `links` and `neighbor` are never used [INFO] [stdout] --> src/grid.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl GridCell { [INFO] [stdout] | ------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn links(&self) -> std::slice::Iter<'_, Weak>> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn neighbor(&self, dir: Dir) -> &Option>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | pub fn rows(&self) -> Chunks>> { [INFO] [stdout] | ^^^^^ ----------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 162 | pub fn rows(&self) -> Chunks<'_, Rc>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `svg` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use svg; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `line` is never used [INFO] [stdout] --> src/export_svg.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn line(x1: U, y1: U, x2: U, y2: U, style: &str) -> Line [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `to_svg` is never used [INFO] [stdout] --> src/export_svg.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn to_svg(grid: Grid, cell_size: usize) -> Document { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `neighbor` is never used [INFO] [stdout] --> src/grid.rs:58:12 [INFO] [stdout] | [INFO] [stdout] 30 | impl GridCell { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 58 | pub fn neighbor(&self, dir: Dir) -> &Option>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/grid.rs:162:17 [INFO] [stdout] | [INFO] [stdout] 162 | pub fn rows(&self) -> Chunks>> { [INFO] [stdout] | ^^^^^ ----------------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 162 | pub fn rows(&self) -> Chunks<'_, Rc>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0 [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" "c53d0df63acb15a68125941c120b03163ddd212927061a85b2b5bc0cef256b1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c53d0df63acb15a68125941c120b03163ddd212927061a85b2b5bc0cef256b1d", kill_on_drop: false }` [INFO] [stdout] c53d0df63acb15a68125941c120b03163ddd212927061a85b2b5bc0cef256b1d