[INFO] updating cached repository https://github.com/lfn3/rs-advent
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0cd62ac239d19477eaffc88b660bb16a793f6cbf
[INFO] testing lfn3/rs-advent against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfn3%2Frs-advent" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfn3/rs-advent on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lfn3/rs-advent
[INFO] finished tweaking git repo https://github.com/lfn3/rs-advent
[INFO] tweaked toml for git repo https://github.com/lfn3/rs-advent written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/lfn3/rs-advent already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] a6838ef877a8022a4848bc34f297763c41bb78a301a4d954fe91e05c6a1ce2b0
[INFO] running `"docker" "start" "-a" "a6838ef877a8022a4848bc34f297763c41bb78a301a4d954fe91e05c6a1ce2b0"`
[INFO] [stderr]    Compiling rs-advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_metadata(data: &mut Iterator<Item = usize>) -> Vec<usize> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[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/eight.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn take_metadata(data: &mut Iterator<Item = usize>, count: usize) -> Vec<usize> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn read_header(data: &mut Iterator<Item = usize>) -> (usize, usize) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn reduce(i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:61:42
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn reduce_without(polymer: char, i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a6838ef877a8022a4848bc34f297763c41bb78a301a4d954fe91e05c6a1ce2b0"`
[INFO] running `"docker" "rm" "-f" "a6838ef877a8022a4848bc34f297763c41bb78a301a4d954fe91e05c6a1ce2b0"`
[INFO] [stdout] a6838ef877a8022a4848bc34f297763c41bb78a301a4d954fe91e05c6a1ce2b0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ca77ee94e12f727d9f90e4c779d465d44ba6f80794a36d65a647495ca77983f8
[INFO] running `"docker" "start" "-a" "ca77ee94e12f727d9f90e4c779d465d44ba6f80794a36d65a647495ca77983f8"`
[INFO] [stderr]    Compiling rs-advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:15:28
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn get_metadata(data: &mut Iterator<Item = usize>) -> Vec<usize> {
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[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/eight.rs:43:29
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn take_metadata(data: &mut Iterator<Item = usize>, count: usize) -> Vec<usize> {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/eight.rs:47:27
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn read_header(data: &mut Iterator<Item = usize>) -> (usize, usize) {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = usize>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:20:19
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn reduce(i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/five.rs:61:42
[INFO] [stderr]    |
[INFO] [stderr] 61 | fn reduce_without(polymer: char, i: &mut Iterator<Item = char>) -> String {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = char>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "ca77ee94e12f727d9f90e4c779d465d44ba6f80794a36d65a647495ca77983f8"`
[INFO] running `"docker" "rm" "-f" "ca77ee94e12f727d9f90e4c779d465d44ba6f80794a36d65a647495ca77983f8"`
[INFO] [stdout] ca77ee94e12f727d9f90e4c779d465d44ba6f80794a36d65a647495ca77983f8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] c345c3337b36003ba330ea444d58305967865a315c7afe7ccc50db387ac210db
[INFO] running `"docker" "start" "-a" "c345c3337b36003ba330ea444d58305967865a315c7afe7ccc50db387ac210db"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rs_advent-cd96604f0897135e
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test five::test_flip ... ok
[INFO] [stdout] test eight::test_solve_part_one ... ok
[INFO] [stdout] test one::should_solve_sample_input ... ok
[INFO] [stdout] test one::should_solve_part_one_sample_input ... ok
[INFO] [stdout] test two::test_has_n ... ok
[INFO] [stdout] test five::test_solve_part_one ... ok
[INFO] [stdout] test five::test_reduce_without ... ok
[INFO] [stdout] test two::test_testable_solve ... ok
[INFO] [stdout] test one::should_solve_part_two_sample_input ... ok
[INFO] [stdout] test five::test_reduce_without_all ... ok
[INFO] [stdout] test nine::test_solve_part_one ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c345c3337b36003ba330ea444d58305967865a315c7afe7ccc50db387ac210db"`
[INFO] running `"docker" "rm" "-f" "c345c3337b36003ba330ea444d58305967865a315c7afe7ccc50db387ac210db"`
[INFO] [stdout] c345c3337b36003ba330ea444d58305967865a315c7afe7ccc50db387ac210db