[INFO] updating cached repository banditpig/AoC_2015_Rust [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/banditpig/AoC_2015_Rust [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/banditpig/AoC_2015_Rust" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/banditpig/AoC_2015_Rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/banditpig/AoC_2015_Rust'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/banditpig/AoC_2015_Rust" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/banditpig/AoC_2015_Rust"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/banditpig/AoC_2015_Rust'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c17ec8b7ed670bd99b4299a2c73fb4787a1c2604 [INFO] sha for GitHub repo banditpig/AoC_2015_Rust: c17ec8b7ed670bd99b4299a2c73fb4787a1c2604 [INFO] validating manifest of banditpig/AoC_2015_Rust on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of banditpig/AoC_2015_Rust on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing banditpig/AoC_2015_Rust [INFO] finished frobbing banditpig/AoC_2015_Rust [INFO] frobbed toml for banditpig/AoC_2015_Rust written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/banditpig/AoC_2015_Rust/Cargo.toml [INFO] started frobbing banditpig/AoC_2015_Rust [INFO] finished frobbing banditpig/AoC_2015_Rust [INFO] frobbed toml for banditpig/AoC_2015_Rust written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/banditpig/AoC_2015_Rust/Cargo.toml [INFO] crate banditpig/AoC_2015_Rust already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking banditpig/AoC_2015_Rust against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-4/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/banditpig/AoC_2015_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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 01b7d064e2799dcfbe8eca371e5053c91055de856b69488f20d96ea246e27b5c [INFO] running `"docker" "start" "-a" "01b7d064e2799dcfbe8eca371e5053c91055de856b69488f20d96ea246e27b5c"` [INFO] [stderr] Checking rust-crypto v0.2.36 [INFO] [stderr] Checking rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/day6.rs:129:53 [INFO] [stderr] | [INFO] [stderr] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/day6.rs:129:79 [INFO] [stderr] | [INFO] [stderr] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/day6.rs:129:53 [INFO] [stderr] | [INFO] [stderr] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/day6.rs:129:79 [INFO] [stderr] | [INFO] [stderr] 129 | fn run_ops_gen<'a, T>(ops: &AllOps, lights: &'a mut Switchable) -> &'a mut Switchable { [INFO] [stderr] | ^^^^^^^^^^^^^ help: use `dyn`: `dyn Switchable` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day6.rs:71:29 [INFO] [stderr] | [INFO] [stderr] 71 | let mut old = self[r][c]; [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: function is never used: `has_duplicates` [INFO] [stderr] --> src/utils.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn has_duplicates(v: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/day6.rs:71:29 [INFO] [stderr] | [INFO] [stderr] 71 | let mut old = self[r][c]; [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: function is never used: `has_duplicates` [INFO] [stderr] --> src/utils.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn has_duplicates(v: &Vec) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.27s [INFO] running `"docker" "inspect" "01b7d064e2799dcfbe8eca371e5053c91055de856b69488f20d96ea246e27b5c"` [INFO] running `"docker" "rm" "-f" "01b7d064e2799dcfbe8eca371e5053c91055de856b69488f20d96ea246e27b5c"` [INFO] [stdout] 01b7d064e2799dcfbe8eca371e5053c91055de856b69488f20d96ea246e27b5c