[INFO] cloning repository https://github.com/tiziano88/xyz [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiziano88/xyz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fxyz", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fxyz'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2dc1aac59585230bfb1752ed0b1c3475b252911d [INFO] checking tiziano88/xyz against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiziano88%2Fxyz" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tiziano88/xyz on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tiziano88/xyz [INFO] finished tweaking git repo https://github.com/tiziano88/xyz [INFO] tweaked toml for git repo https://github.com/tiziano88/xyz written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/tiziano88/xyz already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ddffd822237b12ed2d759e8f141ee6d6140d414daab0f592f589cc0669ddefc [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" "4ddffd822237b12ed2d759e8f141ee6d6140d414daab0f592f589cc0669ddefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ddffd822237b12ed2d759e8f141ee6d6140d414daab0f592f589cc0669ddefc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ddffd822237b12ed2d759e8f141ee6d6140d414daab0f592f589cc0669ddefc", kill_on_drop: false }` [INFO] [stdout] 4ddffd822237b12ed2d759e8f141ee6d6140d414daab0f592f589cc0669ddefc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 319a2ae1965e4759265643c94a8cc1590fd34e9c6bade5b7b52c8e43074d6b5e [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" "319a2ae1965e4759265643c94a8cc1590fd34e9c6bade5b7b52c8e43074d6b5e", kill_on_drop: false }` [INFO] [stderr] Checking termion v1.1.4 [INFO] [stderr] Checking xyz v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | let colors: Vec<&termion::color::Color> = vec![blue, green, yellow, red]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:96:22 [INFO] [stdout] | [INFO] [stdout] 96 | let colors: Vec<&termion::color::Color> = vec![blue, green, yellow, red]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rng = thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut s = "".to_string(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rng` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rng = thread_rng(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/main.rs:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut s = "".to_string(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `v` is assigned to, but never used [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | let mut v = self.grid[x][y]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_v` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `v` is assigned to, but never used [INFO] [stdout] --> src/main.rs:61:21 [INFO] [stdout] | [INFO] [stdout] 61 | let mut v = self.grid[x][y]; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_v` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut g = Grid::default(); [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:45:13 [INFO] [stdout] | [INFO] [stdout] 45 | let mut g = Grid::default(); [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:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rng = thread_rng(); [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:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut s = "".to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> src/main.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const max: u32 = 128; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let mut rng = thread_rng(); [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:115:13 [INFO] [stdout] | [INFO] [stdout] 115 | let mut s = "".to_string(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `max` should have an upper case name [INFO] [stdout] --> src/main.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const max: u32 = 128; [INFO] [stdout] | ^^^ help: convert the identifier to upper case: `MAX` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.42s [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "319a2ae1965e4759265643c94a8cc1590fd34e9c6bade5b7b52c8e43074d6b5e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "319a2ae1965e4759265643c94a8cc1590fd34e9c6bade5b7b52c8e43074d6b5e", kill_on_drop: false }` [INFO] [stdout] 319a2ae1965e4759265643c94a8cc1590fd34e9c6bade5b7b52c8e43074d6b5e