[INFO] updating cached repository udoprog/rust-advent-of-code-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/udoprog/rust-advent-of-code-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/udoprog/rust-advent-of-code-2018" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/udoprog/rust-advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/udoprog/rust-advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/udoprog/rust-advent-of-code-2018" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/udoprog/rust-advent-of-code-2018"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/udoprog/rust-advent-of-code-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ba21de0185ee65f3f0c4c41e6360b2348dcfabf7 [INFO] sha for GitHub repo udoprog/rust-advent-of-code-2018: ba21de0185ee65f3f0c4c41e6360b2348dcfabf7 [INFO] validating manifest of udoprog/rust-advent-of-code-2018 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 udoprog/rust-advent-of-code-2018 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 udoprog/rust-advent-of-code-2018 [INFO] finished frobbing udoprog/rust-advent-of-code-2018 [INFO] frobbed toml for udoprog/rust-advent-of-code-2018 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/udoprog/rust-advent-of-code-2018/Cargo.toml [INFO] started frobbing udoprog/rust-advent-of-code-2018 [INFO] finished frobbing udoprog/rust-advent-of-code-2018 [INFO] frobbed toml for udoprog/rust-advent-of-code-2018 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/udoprog/rust-advent-of-code-2018/Cargo.toml [INFO] crate udoprog/rust-advent-of-code-2018 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 udoprog/rust-advent-of-code-2018 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/udoprog/rust-advent-of-code-2018:/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] b43c1824a99ac692c72cc9a3e19fb49205e935a6df3a010f1c7cd66fd779f28c [INFO] running `"docker" "start" "-a" "b43c1824a99ac692c72cc9a3e19fb49205e935a6df3a010f1c7cd66fd779f28c"` [INFO] [stderr] Compiling cc v1.0.27 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Checking byteorder v1.2.7 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking approx v0.3.1 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking num-bigint v0.2.2 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking hashbrown v0.1.7 [INFO] [stderr] Checking num-rational v0.2.1 [INFO] [stderr] Checking alga v0.7.2 [INFO] [stderr] Compiling backtrace-sys v0.1.26 [INFO] [stderr] Compiling ncurses v5.97.0 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking backtrace v0.3.13 [INFO] [stderr] Checking failure v0.1.3 [INFO] [stderr] Checking nalgebra v0.16.12 [INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.12/src/base/cg.rs:291:44 [INFO] [stderr] | [INFO] [stderr] 291 | self[(j, i)] += shift[j] * self[(D::dim() - 1, i)]; [INFO] [stderr] | ---------------------------^^^^------------------- [INFO] [stderr] | | | [INFO] [stderr] | | immutable borrow occurs here [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | mutable borrow later used here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Checking aoc2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:212:1 [INFO] [stderr] | [INFO] [stderr] 212 | /// Decoded a pair of values. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 213 | tuple!(Pair, A, B); [INFO] [stderr] | ------------------- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:214:1 [INFO] [stderr] | [INFO] [stderr] 214 | /// Decodes a triple of values. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 215 | tuple!(Triple, A, B, C); [INFO] [stderr] | ------------------------ rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:212:1 [INFO] [stderr] | [INFO] [stderr] 212 | /// Decoded a pair of values. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 213 | tuple!(Pair, A, B); [INFO] [stderr] | ------------------- rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/lib.rs:214:1 [INFO] [stderr] | [INFO] [stderr] 214 | /// Decodes a triple of values. [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 215 | tuple!(Triple, A, B, C); [INFO] [stderr] | ------------------------ rustdoc does not generate documentation for macro expansions [INFO] [stderr] | [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/bin/day19.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let mut prev = None; [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: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/day20.rs:147:29 [INFO] [stderr] | [INFO] [stderr] 147 | fn parse_group(it: &mut Iterator) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `prev` is never read [INFO] [stderr] --> src/bin/day19.rs:278:13 [INFO] [stderr] | [INFO] [stderr] 278 | let mut prev = None; [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: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/bin/day20.rs:147:29 [INFO] [stderr] | [INFO] [stderr] 147 | fn parse_group(it: &mut Iterator) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/bin/day17.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(range_contains)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `range_contains` has been stable since 1.35.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/bin/day17.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(range_contains)] [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `"docker" "inspect" "b43c1824a99ac692c72cc9a3e19fb49205e935a6df3a010f1c7cd66fd779f28c"` [INFO] running `"docker" "rm" "-f" "b43c1824a99ac692c72cc9a3e19fb49205e935a6df3a010f1c7cd66fd779f28c"` [INFO] [stdout] b43c1824a99ac692c72cc9a3e19fb49205e935a6df3a010f1c7cd66fd779f28c