[INFO] updating cached repository michaelfairley/adventofcode2016
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/michaelfairley/adventofcode2016
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelfairley/adventofcode2016" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/michaelfairley/adventofcode2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/michaelfairley/adventofcode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/michaelfairley/adventofcode2016" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelfairley/adventofcode2016"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelfairley/adventofcode2016'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 965b548a49b848ce4e60f3e53924a6910505411d
[INFO] sha for GitHub repo michaelfairley/adventofcode2016: 965b548a49b848ce4e60f3e53924a6910505411d
[INFO] validating manifest of michaelfairley/adventofcode2016 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of michaelfairley/adventofcode2016 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing michaelfairley/adventofcode2016
[INFO] finished frobbing michaelfairley/adventofcode2016
[INFO] frobbed toml for michaelfairley/adventofcode2016 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/michaelfairley/adventofcode2016/Cargo.toml
[INFO] started frobbing michaelfairley/adventofcode2016
[INFO] finished frobbing michaelfairley/adventofcode2016
[INFO] frobbed toml for michaelfairley/adventofcode2016 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelfairley/adventofcode2016/Cargo.toml
[INFO] crate michaelfairley/adventofcode2016 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking michaelfairley/adventofcode2016 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/michaelfairley/adventofcode2016:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0dec421f0cf5e4a966d5225129801495b98b2173e954a9ec372322d4e454758c
[INFO] running `"docker" "start" "-a" "0dec421f0cf5e4a966d5225129801495b98b2173e954a9ec372322d4e454758c"`
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking adventofcode2016 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]  --> src/bin/20.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{min,max};
[INFO] [stderr]   |                ^^^ ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `max`, `min`
[INFO] [stderr]  --> src/bin/20.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::cmp::{min,max};
[INFO] [stderr]   |                ^^^ ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0428]: the name `CIRCLE_SIZE` is defined multiple times
[INFO] [stderr]  --> src/bin/19b.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | const CIRCLE_SIZE: usize = 3001330;
[INFO] [stderr]   | ----------------------------------- previous definition of the value `CIRCLE_SIZE` here
[INFO] [stderr] 4 | const CIRCLE_SIZE: usize = 5;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `CIRCLE_SIZE` redefined here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `CIRCLE_SIZE` must be defined only once in the value namespace of this module
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0428`.
[INFO] [stderr] error: Could not compile `adventofcode2016`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "0dec421f0cf5e4a966d5225129801495b98b2173e954a9ec372322d4e454758c"`
[INFO] running `"docker" "rm" "-f" "0dec421f0cf5e4a966d5225129801495b98b2173e954a9ec372322d4e454758c"`
[INFO] [stdout] 0dec421f0cf5e4a966d5225129801495b98b2173e954a9ec372322d4e454758c