[INFO] updating cached repository gregcline/advent_of_code_2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gregcline/advent_of_code_2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gregcline/advent_of_code_2018" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gregcline/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gregcline/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gregcline/advent_of_code_2018" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gregcline/advent_of_code_2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gregcline/advent_of_code_2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e4d3e3259d2fe1a58af1ee64ba0b64c562abea9
[INFO] sha for GitHub repo gregcline/advent_of_code_2018: 7e4d3e3259d2fe1a58af1ee64ba0b64c562abea9
[INFO] validating manifest of gregcline/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 gregcline/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 gregcline/advent_of_code_2018
[INFO] finished frobbing gregcline/advent_of_code_2018
[INFO] frobbed toml for gregcline/advent_of_code_2018 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/gregcline/advent_of_code_2018/Cargo.toml
[INFO] started frobbing gregcline/advent_of_code_2018
[INFO] finished frobbing gregcline/advent_of_code_2018
[INFO] frobbed toml for gregcline/advent_of_code_2018 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gregcline/advent_of_code_2018/Cargo.toml
[INFO] crate gregcline/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 gregcline/advent_of_code_2018 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/gregcline/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 737271c8d50dfac9f48d97fcf5325b67b981e046b32ff970fbbb6aa287d1dc86
[INFO] running `"docker" "start" "-a" "737271c8d50dfac9f48d97fcf5325b67b981e046b32ff970fbbb6aa287d1dc86"`
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking tap v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]     Checking spinner v0.4.0
[INFO] [stderr]     Checking spinners v1.0.0
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking rust_2018 v0.1.0 (/opt/crater/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 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: consider prefixing with an underscore: `_puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[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: consider prefixing with an underscore: `_puzzle`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.27s
[INFO] running `"docker" "inspect" "737271c8d50dfac9f48d97fcf5325b67b981e046b32ff970fbbb6aa287d1dc86"`
[INFO] running `"docker" "rm" "-f" "737271c8d50dfac9f48d97fcf5325b67b981e046b32ff970fbbb6aa287d1dc86"`
[INFO] [stdout] 737271c8d50dfac9f48d97fcf5325b67b981e046b32ff970fbbb6aa287d1dc86