[INFO] updating cached repository AndyDSM/conwayprofile-rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/AndyDSM/conwayprofile-rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/AndyDSM/conwayprofile-rust" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AndyDSM/conwayprofile-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AndyDSM/conwayprofile-rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/AndyDSM/conwayprofile-rust" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AndyDSM/conwayprofile-rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AndyDSM/conwayprofile-rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 653d292cc65ba0da8b4c5902dc6713be36c7746c [INFO] sha for GitHub repo AndyDSM/conwayprofile-rust: 653d292cc65ba0da8b4c5902dc6713be36c7746c [INFO] validating manifest of AndyDSM/conwayprofile-rust on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of AndyDSM/conwayprofile-rust on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing AndyDSM/conwayprofile-rust [INFO] finished frobbing AndyDSM/conwayprofile-rust [INFO] frobbed toml for AndyDSM/conwayprofile-rust written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AndyDSM/conwayprofile-rust/Cargo.toml [INFO] started frobbing AndyDSM/conwayprofile-rust [INFO] finished frobbing AndyDSM/conwayprofile-rust [INFO] frobbed toml for AndyDSM/conwayprofile-rust written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/AndyDSM/conwayprofile-rust/Cargo.toml [INFO] crate AndyDSM/conwayprofile-rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking AndyDSM/conwayprofile-rust against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/AndyDSM/conwayprofile-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 820a3bfdf27eb820452ae057edf22c2236d0e99edfe81254263a27f47f5f40bc [INFO] running `"docker" "start" "-a" "820a3bfdf27eb820452ae057edf22c2236d0e99edfe81254263a27f47f5f40bc"` [INFO] [stderr] Checking conwayprofile v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `wrap` [INFO] [stderr] --> src/lib.rs:90:43 [INFO] [stderr] | [INFO] [stderr] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_wrap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | for i in 0..max { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut next_board = self.board_next(&r[last], true); [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: unused variable: `wrap` [INFO] [stderr] --> src/lib.rs:90:43 [INFO] [stderr] | [INFO] [stderr] 90 | fn board_next(&self, board: &Vec, wrap: bool) -> Vec { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_wrap` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/lib.rs:116:13 [INFO] [stderr] | [INFO] [stderr] 116 | for i in 0..max { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:119:17 [INFO] [stderr] | [INFO] [stderr] 119 | let mut next_board = self.board_next(&r[last], true); [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 1.65s [INFO] running `"docker" "inspect" "820a3bfdf27eb820452ae057edf22c2236d0e99edfe81254263a27f47f5f40bc"` [INFO] running `"docker" "rm" "-f" "820a3bfdf27eb820452ae057edf22c2236d0e99edfe81254263a27f47f5f40bc"` [INFO] [stdout] 820a3bfdf27eb820452ae057edf22c2236d0e99edfe81254263a27f47f5f40bc