[INFO] updating cached repository samsartor/infloop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/samsartor/infloop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/samsartor/infloop" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/samsartor/infloop"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/samsartor/infloop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/samsartor/infloop" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/samsartor/infloop"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/samsartor/infloop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 999f89d287a80e32957861ce42d5a7c27db6579d
[INFO] sha for GitHub repo samsartor/infloop: 999f89d287a80e32957861ce42d5a7c27db6579d
[INFO] validating manifest of samsartor/infloop 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 samsartor/infloop 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 samsartor/infloop
[INFO] finished frobbing samsartor/infloop
[INFO] frobbed toml for samsartor/infloop written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/samsartor/infloop/Cargo.toml
[INFO] started frobbing samsartor/infloop
[INFO] finished frobbing samsartor/infloop
[INFO] frobbed toml for samsartor/infloop written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/samsartor/infloop/Cargo.toml
[INFO] crate samsartor/infloop 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 samsartor/infloop against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/samsartor/infloop:/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] ca4d5b6a15a8411c6a021753a04015d1d83e1cabc6def2fef16788a094b35bda
[INFO] running `"docker" "start" "-a" "ca4d5b6a15a8411c6a021753a04015d1d83e1cabc6def2fef16788a094b35bda"`
[INFO] [stderr]     Checking arrayref v0.3.2
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking infloop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::NumCast`
[INFO] [stderr]  --> src/solver.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::NumCast;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std`
[INFO] [stderr]  --> src/solver.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std;
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::NumCast`
[INFO] [stderr]  --> src/solver.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use num::NumCast;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InfLoopSolver`
[INFO] [stderr]  --> src/solver.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct InfLoopSolver {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]   --> src/solver.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Line`
[INFO] [stderr]   --> src/solver.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Line,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Corner`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Corner,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/solver.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cross`
[INFO] [stderr]   --> src/solver.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Cross
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `basic_shape`
[INFO] [stderr]   --> src/solver.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn basic_shape(&self) -> [bool; 4] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rot_shape`
[INFO] [stderr]   --> src/solver.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn rot_shape<T: CastInt<usize>>(&self, rot: T) -> [bool; 4] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InfLoopSolver`
[INFO] [stderr]  --> src/solver.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct InfLoopSolver {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Empty`
[INFO] [stderr]   --> src/solver.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Empty,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Line`
[INFO] [stderr]   --> src/solver.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Line,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Corner`
[INFO] [stderr]   --> src/solver.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Corner,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Three`
[INFO] [stderr]   --> src/solver.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Three,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Cross`
[INFO] [stderr]   --> src/solver.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Cross
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `basic_shape`
[INFO] [stderr]   --> src/solver.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn basic_shape(&self) -> [bool; 4] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rot_shape`
[INFO] [stderr]   --> src/solver.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 |     pub fn rot_shape<T: CastInt<usize>>(&self, rot: T) -> [bool; 4] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `"docker" "inspect" "ca4d5b6a15a8411c6a021753a04015d1d83e1cabc6def2fef16788a094b35bda"`
[INFO] running `"docker" "rm" "-f" "ca4d5b6a15a8411c6a021753a04015d1d83e1cabc6def2fef16788a094b35bda"`
[INFO] [stdout] ca4d5b6a15a8411c6a021753a04015d1d83e1cabc6def2fef16788a094b35bda