Dec 12 22:53:29.675 INFO testing udoprog/rust-advent-of-code-2018 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 12 22:53:29.675 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 22:53:30.127 INFO [stdout] 4501a6acf6c4c479d3e92b3c7dd8c8ccf9787cbc2fb8fdaa580ca8e86bdbdd6a
Dec 12 22:53:30.128 INFO running `"docker" "start" "-a" "4501a6acf6c4c479d3e92b3c7dd8c8ccf9787cbc2fb8fdaa580ca8e86bdbdd6a"`
Dec 12 22:53:31.375 INFO [stderr] usermod: no changes
Dec 12 22:53:31.500 INFO [stderr]    Compiling num-traits v0.2.6
Dec 12 22:53:31.500 INFO [stderr]    Compiling num-bigint v0.2.1
Dec 12 22:53:31.507 INFO [stderr]    Compiling num-complex v0.2.1
Dec 12 22:53:31.511 INFO [stderr]    Compiling matrixmultiply v0.1.15
Dec 12 22:53:31.511 INFO [stderr]    Compiling num-rational v0.2.1
Dec 12 22:53:31.512 INFO [stderr]    Compiling num-iter v0.1.37
Dec 12 22:53:31.524 INFO [stderr]    Compiling libm v0.1.2
Dec 12 22:53:31.531 INFO [stderr]    Compiling hashbrown v0.1.7
Dec 12 22:53:34.047 INFO [stderr]    Compiling itertools v0.8.0
Dec 12 22:53:34.071 INFO [stderr]    Compiling rand v0.5.5
Dec 12 22:53:41.685 INFO [stderr]    Compiling num-integer v0.1.39
Dec 12 22:53:41.691 INFO [stderr]    Compiling approx v0.3.0
Dec 12 22:53:43.235 INFO [stderr]    Compiling chrono v0.4.6
Dec 12 22:53:44.865 INFO [stderr]    Compiling alga v0.7.2
Dec 12 22:53:52.879 INFO [stderr]    Compiling nalgebra v0.16.11
Dec 12 22:53:53.283 INFO [stderr]    Compiling num v0.2.0
Dec 12 22:54:27.742 INFO [stderr]    Compiling aoc2018 v0.1.0 (/source)
Dec 12 22:54:32.143 INFO [stderr] error[E0433]: failed to resolve: use of undeclared type or module `BTreeSet`
Dec 12 22:54:32.143 INFO [stderr]   --> src/bin/day2.rs:27:19
Dec 12 22:54:32.143 INFO [stderr]    |
Dec 12 22:54:32.143 INFO [stderr] 27 |     let mut set = BTreeSet::new();
Dec 12 22:54:32.143 INFO [stderr]    |                   ^^^^^^^^ use of undeclared type or module `BTreeSet`
Dec 12 22:54:32.159 INFO [stderr] 
Dec 12 22:54:32.159 INFO [stderr] error[E0412]: cannot find type `BTreeSet` in this scope
Dec 12 22:54:32.159 INFO [stderr]  --> src/bin/day2.rs:4:16
Dec 12 22:54:32.159 INFO [stderr]   |
Dec 12 22:54:32.159 INFO [stderr] 4 | fn part2(set: &BTreeSet<Vec<char>>) -> Option<String> {
Dec 12 22:54:32.159 INFO [stderr]   |                ^^^^^^^^ not found in this scope
Dec 12 22:54:32.159 INFO [stderr] help: possible candidates are found in other modules, you can import them into scope
Dec 12 22:54:32.159 INFO [stderr]   |
Dec 12 22:54:32.159 INFO [stderr] 1 | use std::collections::BTreeSet;
Dec 12 22:54:32.159 INFO [stderr]   |
Dec 12 22:54:32.159 INFO [stderr] 1 | use std::collections::btree_set::BTreeSet;
Dec 12 22:54:32.159 INFO [stderr]   |
Dec 12 22:54:32.159 INFO [stderr] 
Dec 12 22:54:32.311 INFO [stderr] error[E0412]: cannot find type `BTreeSet` in this scope
Dec 12 22:54:32.311 INFO [stderr]  --> src/bin/day7.rs:4:51
Dec 12 22:54:32.311 INFO [stderr]   |
Dec 12 22:54:32.311 INFO [stderr] 4 |     let mut left = deps.keys().cloned().collect::<BTreeSet<_>>();
Dec 12 22:54:32.311 INFO [stderr]   |                                                   ^^^^^^^^ not found in this scope
Dec 12 22:54:32.339 INFO [stderr] help: possible candidates are found in other modules, you can import them into scope
Dec 12 22:54:32.339 INFO [stderr]   |
Dec 12 22:54:32.339 INFO [stderr] 1 | use std::collections::BTreeSet;
Dec 12 22:54:32.339 INFO [stderr]   |
Dec 12 22:54:32.339 INFO [stderr] 1 | use std::collections::btree_set::BTreeSet;
Dec 12 22:54:32.339 INFO [stderr]   |
Dec 12 22:54:32.339 INFO [stderr] 
Dec 12 22:54:32.339 INFO [stderr] error[E0412]: cannot find type `BTreeSet` in this scope
Dec 12 22:54:32.339 INFO [stderr]   --> src/bin/day7.rs:28:51
Dec 12 22:54:32.339 INFO [stderr]    |
Dec 12 22:54:32.339 INFO [stderr] 28 |     let mut left = deps.keys().cloned().collect::<BTreeSet<_>>();
Dec 12 22:54:32.339 INFO [stderr]    |                                                   ^^^^^^^^ not found in this scope
Dec 12 22:54:32.339 INFO [stderr] help: possible candidates are found in other modules, you can import them into scope
Dec 12 22:54:32.339 INFO [stderr]    |
Dec 12 22:54:32.339 INFO [stderr] 1  | use std::collections::BTreeSet;
Dec 12 22:54:32.339 INFO [stderr]    |
Dec 12 22:54:32.339 INFO [stderr] 1  | use std::collections::btree_set::BTreeSet;
Dec 12 22:54:32.339 INFO [stderr]    |
Dec 12 22:54:32.339 INFO [stderr] 
Dec 12 22:54:32.719 INFO [stderr] error: aborting due to 2 previous errors
Dec 12 22:54:32.739 INFO [stderr] 
Dec 12 22:54:32.739 INFO [stderr] For more information about this error, try `rustc --explain E0412`.
Dec 12 22:54:32.763 INFO [stderr] error: Could not compile `aoc2018`.
Dec 12 22:54:32.763 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 22:54:33.179 INFO [stderr] error: aborting due to 2 previous errors
Dec 12 22:54:33.227 INFO [stderr] 
Dec 12 22:54:33.227 INFO [stderr] Some errors occurred: E0412, E0433.
Dec 12 22:54:33.227 INFO [stderr] For more information about an error, try `rustc --explain E0412`.
Dec 12 22:54:33.347 INFO [stderr] error: Could not compile `aoc2018`.
Dec 12 22:54:33.347 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 12 22:54:39.545 INFO [stderr] error: build failed
Dec 12 22:54:39.548 INFO [stderr] su: No module specific data is present
Dec 12 22:54:40.719 INFO running `"docker" "inspect" "4501a6acf6c4c479d3e92b3c7dd8c8ccf9787cbc2fb8fdaa580ca8e86bdbdd6a"`
Dec 12 22:54:40.964 INFO running `"docker" "rm" "-f" "4501a6acf6c4c479d3e92b3c7dd8c8ccf9787cbc2fb8fdaa580ca8e86bdbdd6a"`
Dec 12 22:54:41.279 INFO [stdout] 4501a6acf6c4c479d3e92b3c7dd8c8ccf9787cbc2fb8fdaa580ca8e86bdbdd6a