[INFO] updating cached repository https://github.com/gregcline/advent_of_code_2018
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 7e4d3e3259d2fe1a58af1ee64ba0b64c562abea9
[INFO] testing gregcline/advent_of_code_2018 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregcline%2Fadvent_of_code_2018" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregcline/advent_of_code_2018 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/gregcline/advent_of_code_2018
[INFO] finished tweaking git repo https://github.com/gregcline/advent_of_code_2018
[INFO] tweaked toml for git repo https://github.com/gregcline/advent_of_code_2018 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/gregcline/advent_of_code_2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ff1da0e153b4128435ac3b21e1b72b61d7104b3a09a2d0f746d14d5aae7a2338
[INFO] running `"docker" "start" "-a" "ff1da0e153b4128435ac3b21e1b72b61d7104b3a09a2d0f746d14d5aae7a2338"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling strum v0.8.0
[INFO] [stderr]    Compiling tap v0.3.0
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling spinner v0.4.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling spinners v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling structopt v0.2.13
[INFO] [stderr]    Compiling rust_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/day_3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tap::TapOps`
[INFO] [stderr]  --> src/day_3.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tap::TapOps;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/solver.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub solver: Box<Solver + 'static>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[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/solver.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(file: &str, solver: Box<Solver + 'static>) -> io::Result<Self> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `puzzle`
[INFO] [stderr]   --> src/day_3.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn part_2(&self, puzzle: &str) -> io::Result<Solution> {
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.08s
[INFO] running `"docker" "inspect" "ff1da0e153b4128435ac3b21e1b72b61d7104b3a09a2d0f746d14d5aae7a2338"`
[INFO] running `"docker" "rm" "-f" "ff1da0e153b4128435ac3b21e1b72b61d7104b3a09a2d0f746d14d5aae7a2338"`
[INFO] [stdout] ff1da0e153b4128435ac3b21e1b72b61d7104b3a09a2d0f746d14d5aae7a2338
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stdout] 38cc2a366646c179c22e9778ffb79b5eee4e74bbd63eccf208f4866b7782c52e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "38cc2a366646c179c22e9778ffb79b5eee4e74bbd63eccf208f4866b7782c52e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/day_3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tap::TapOps`
[INFO] [stderr]  --> src/day_3.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tap::TapOps;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/solver.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub solver: Box<Solver + 'static>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[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/solver.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(file: &str, solver: Box<Solver + 'static>) -> io::Result<Self> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `puzzle`
[INFO] [stderr]   --> src/day_3.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn part_2(&self, puzzle: &str) -> io::Result<Solution> {
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `"docker" "inspect" "38cc2a366646c179c22e9778ffb79b5eee4e74bbd63eccf208f4866b7782c52e"`
[INFO] running `"docker" "rm" "-f" "38cc2a366646c179c22e9778ffb79b5eee4e74bbd63eccf208f4866b7782c52e"`
[INFO] [stdout] 38cc2a366646c179c22e9778ffb79b5eee4e74bbd63eccf208f4866b7782c52e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b18d5625104b7755f7ba81270ecbecd83cdbd4d28d3ae88648e456f2366af882
[INFO] running `"docker" "start" "-a" "b18d5625104b7755f7ba81270ecbecd83cdbd4d28d3ae88648e456f2366af882"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/day_3.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `tap::TapOps`
[INFO] [stderr]  --> src/day_3.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use tap::TapOps;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/solver.rs:36:21
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub solver: Box<Solver + 'static>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[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/solver.rs:40:40
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn new(file: &str, solver: Box<Solver + 'static>) -> io::Result<Self> {
[INFO] [stderr]    |                                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Solver + 'static`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `puzzle`
[INFO] [stderr]   --> src/day_3.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn part_2(&self, puzzle: &str) -> io::Result<Solution> {
[INFO] [stderr]    |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_2018-a9d51ed884ee63e8
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b18d5625104b7755f7ba81270ecbecd83cdbd4d28d3ae88648e456f2366af882"`
[INFO] running `"docker" "rm" "-f" "b18d5625104b7755f7ba81270ecbecd83cdbd4d28d3ae88648e456f2366af882"`
[INFO] [stdout] b18d5625104b7755f7ba81270ecbecd83cdbd4d28d3ae88648e456f2366af882