[INFO] updating cached repository troiganto/aoc-2018 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/troiganto/aoc-2018 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/troiganto/aoc-2018" "work/ex/beta-1.38-1/sources/1.37.0/gh/troiganto/aoc-2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/troiganto/aoc-2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/troiganto/aoc-2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troiganto/aoc-2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troiganto/aoc-2018'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b8682e88ef160f3fdef8c660ff27bebfd1254735 [INFO] sha for GitHub repo troiganto/aoc-2018: b8682e88ef160f3fdef8c660ff27bebfd1254735 [INFO] validating manifest of troiganto/aoc-2018 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of troiganto/aoc-2018 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing troiganto/aoc-2018 [INFO] finished frobbing troiganto/aoc-2018 [INFO] frobbed toml for troiganto/aoc-2018 written to work/ex/beta-1.38-1/sources/1.37.0/gh/troiganto/aoc-2018/Cargo.toml [INFO] started frobbing troiganto/aoc-2018 [INFO] finished frobbing troiganto/aoc-2018 [INFO] frobbed toml for troiganto/aoc-2018 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troiganto/aoc-2018/Cargo.toml [INFO] crate troiganto/aoc-2018 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing troiganto/aoc-2018 against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troiganto/aoc-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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] a814dc4b3249286f311f9b9699b285932b12112594c4eed2a8bd6c784a4fbbf8 [INFO] running `"docker" "start" "-a" "a814dc4b3249286f311f9b9699b285932b12112594c4eed2a8bd6c784a4fbbf8"` [INFO] [stderr] Compiling intrusive-collections v0.7.8 [INFO] [stderr] Compiling boolinator v2.4.0 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Compiling png v0.12.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling tiff v0.2.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.15 [INFO] [stderr] Compiling image v0.20.1 [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `BadGroup` [INFO] [stderr] --> src/bin/task47.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | BadGroup, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:224:5 [INFO] [stderr] | [INFO] [stderr] 224 | writeln!(&mut output, "Initial state:\n{}", map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | writeln!(&mut output, "After 1 minute:\n{}", map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:231:9 [INFO] [stderr] | [INFO] [stderr] 231 | writeln!(&mut output, "After {} minutes:\n{}", i, map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/bin/task33.rs:360:29 [INFO] [stderr] | [INFO] [stderr] 320 | while let Some(source) = stack.last() { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 360 | stack.push(Source::Head(foot.stepn(l, Left))); [INFO] [stderr] | ^^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/bin/task33.rs:363:29 [INFO] [stderr] | [INFO] [stderr] 320 | while let Some(source) = stack.last() { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 363 | stack.push(Source::Head(foot.stepn(r, Right))); [INFO] [stderr] | ^^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.73s [INFO] running `"docker" "inspect" "a814dc4b3249286f311f9b9699b285932b12112594c4eed2a8bd6c784a4fbbf8"` [INFO] running `"docker" "rm" "-f" "a814dc4b3249286f311f9b9699b285932b12112594c4eed2a8bd6c784a4fbbf8"` [INFO] [stdout] a814dc4b3249286f311f9b9699b285932b12112594c4eed2a8bd6c784a4fbbf8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/troiganto/aoc-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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 6b5a1553b030d1cf1fcfe43111767d07e9be55897765587039f72cfeb294bc4d [INFO] running `"docker" "start" "-a" "6b5a1553b030d1cf1fcfe43111767d07e9be55897765587039f72cfeb294bc4d"` [INFO] [stderr] Compiling aoc-2018 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variant is never constructed: `BadGroup` [INFO] [stderr] --> src/bin/task47.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | BadGroup, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/bin/task33.rs:360:29 [INFO] [stderr] | [INFO] [stderr] 320 | while let Some(source) = stack.last() { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 360 | stack.push(Source::Head(foot.stepn(l, Left))); [INFO] [stderr] | ^^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] warning: cannot borrow `stack` as mutable because it is also borrowed as immutable [INFO] [stderr] --> src/bin/task33.rs:363:29 [INFO] [stderr] | [INFO] [stderr] 320 | while let Some(source) = stack.last() { [INFO] [stderr] | ----- immutable borrow occurs here [INFO] [stderr] ... [INFO] [stderr] 363 | stack.push(Source::Head(foot.stepn(r, Right))); [INFO] [stderr] | ^^^^^ ---- immutable borrow later used here [INFO] [stderr] | | [INFO] [stderr] | mutable borrow occurs here [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stderr] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stderr] = note: for more information, see issue #59159 [INFO] [stderr] [INFO] [stderr] error[E0599]: no function or associated item named `new` found for type `Unit` in the current scope [INFO] [stderr] --> src/bin/task29.rs:590:38 [INFO] [stderr] | [INFO] [stderr] 167 | struct Unit { [INFO] [stderr] | ----------- function or associated item `new` not found for this [INFO] [stderr] ... [INFO] [stderr] 590 | let mut unit = Unit::new(team); [INFO] [stderr] | ^^^ function or associated item not found in `Unit` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0599`. [INFO] [stderr] error: Could not compile `aoc-2018`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:224:5 [INFO] [stderr] | [INFO] [stderr] 224 | writeln!(&mut output, "Initial state:\n{}", map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:227:9 [INFO] [stderr] | [INFO] [stderr] 227 | writeln!(&mut output, "After 1 minute:\n{}", map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/task35.rs:231:9 [INFO] [stderr] | [INFO] [stderr] 231 | writeln!(&mut output, "After {} minutes:\n{}", i, map); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "6b5a1553b030d1cf1fcfe43111767d07e9be55897765587039f72cfeb294bc4d"` [INFO] running `"docker" "rm" "-f" "6b5a1553b030d1cf1fcfe43111767d07e9be55897765587039f72cfeb294bc4d"` [INFO] [stdout] 6b5a1553b030d1cf1fcfe43111767d07e9be55897765587039f72cfeb294bc4d