[INFO] cloning repository https://github.com/technolapin/grid [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/technolapin/grid" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnolapin%2Fgrid"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnolapin%2Fgrid'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] f3ae4838abad4769dfb2244a46a14765c1bd90d5 [INFO] checking technolapin/grid against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnolapin%2Fgrid" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/technolapin/grid on toolchain b61e69433951e31f7bd746e22f516a48ad41623b [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/technolapin/grid [INFO] finished tweaking git repo https://github.com/technolapin/grid [INFO] tweaked toml for git repo https://github.com/technolapin/grid written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/technolapin/grid already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 92ddc1e02f799249142fafea3a0138680cc3f063036013b855acad4dcd13a4b6 [INFO] running `"docker" "start" "-a" "92ddc1e02f799249142fafea3a0138680cc3f063036013b855acad4dcd13a4b6"` [INFO] [stderr] Checking grid v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/main.rs:180:13 [INFO] [stderr] | [INFO] [stderr] 180 | let mut tmp = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/main.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | let mut s = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let mut tab = [[1 as u64,2,3],[4,5,6],[7,8,9]]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_cell_tuple` [INFO] [stderr] --> src/main.rs:52:13 [INFO] [stderr] | [INFO] [stderr] 52 | fn get_cell_tuple(&self, (x, y): (isize, isize)) -> $t [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 104 | gen_grid_struct!(32, 32, u64); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `set_cells` [INFO] [stderr] --> src/main.rs:71:13 [INFO] [stderr] | [INFO] [stderr] 71 | / fn set_cells( [INFO] [stderr] 72 | | &mut self, [INFO] [stderr] 73 | | (x0, y0):(isize, isize), [INFO] [stderr] 74 | | pattern: Vec<(isize, isize)>, [INFO] [stderr] ... | [INFO] [stderr] 90 | | } [INFO] [stderr] 91 | | } [INFO] [stderr] | |_____________^ [INFO] [stderr] ... [INFO] [stderr] 104 | gen_grid_struct!(32, 32, u64); [INFO] [stderr] | ------------------------------ in this macro invocation [INFO] [stderr] [INFO] [stderr] warning: value assigned to `tmp` is never read [INFO] [stderr] --> src/main.rs:180:13 [INFO] [stderr] | [INFO] [stderr] 180 | let mut tmp = 0; [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s` is never read [INFO] [stderr] --> src/main.rs:181:13 [INFO] [stderr] | [INFO] [stderr] 181 | let mut s = 0; [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let mut tab = [[1 as u64,2,3],[4,5,6],[7,8,9]]; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `"docker" "inspect" "92ddc1e02f799249142fafea3a0138680cc3f063036013b855acad4dcd13a4b6"` [INFO] running `"docker" "rm" "-f" "92ddc1e02f799249142fafea3a0138680cc3f063036013b855acad4dcd13a4b6"` [INFO] [stdout] 92ddc1e02f799249142fafea3a0138680cc3f063036013b855acad4dcd13a4b6