[INFO] cloning repository ymmtmdk/shadow_cost_rust
[INFO] running `"git" "clone" "--bare" "git://github.com/ymmtmdk/shadow_cost_rust.git" "work/cache/sources/gh/ymmtmdk/shadow_cost_rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ymmtmdk/shadow_cost_rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ymmtmdk/shadow_cost_rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ymmtmdk/shadow_cost_rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ymmtmdk/shadow_cost_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ymmtmdk/shadow_cost_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3503bcbde45271f3dd4010fb9d0d611e55c51a0a
[INFO] sha for GitHub repo ymmtmdk/shadow_cost_rust: 3503bcbde45271f3dd4010fb9d0d611e55c51a0a
[INFO] validating manifest of ymmtmdk/shadow_cost_rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ymmtmdk/shadow_cost_rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ymmtmdk/shadow_cost_rust
[INFO] finished frobbing ymmtmdk/shadow_cost_rust
[INFO] frobbed toml for ymmtmdk/shadow_cost_rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust/Cargo.toml
[INFO] started frobbing ymmtmdk/shadow_cost_rust
[INFO] finished frobbing ymmtmdk/shadow_cost_rust
[INFO] frobbed toml for ymmtmdk/shadow_cost_rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ymmtmdk/shadow_cost_rust/Cargo.toml
[INFO] crate ymmtmdk/shadow_cost_rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ymmtmdk/shadow_cost_rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 96a4a29dbfe885b9b1e0dade758f0ef3b2c46f2fce66854a19afde6100a337a8
[INFO] running `"docker" "start" "-a" "96a4a29dbfe885b9b1e0dade758f0ef3b2c46f2fce66854a19afde6100a337a8"`
[INFO] [stderr]    Compiling shadow_cost_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |             let mut t = self.cache.get_mut(key).unwrap();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `"docker" "inspect" "96a4a29dbfe885b9b1e0dade758f0ef3b2c46f2fce66854a19afde6100a337a8"`
[INFO] running `"docker" "rm" "-f" "96a4a29dbfe885b9b1e0dade758f0ef3b2c46f2fce66854a19afde6100a337a8"`
[INFO] [stdout] 96a4a29dbfe885b9b1e0dade758f0ef3b2c46f2fce66854a19afde6100a337a8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3ead05c8d03dd9d26b1522edafe4b55531a872ffda401e4db886a4d8c5f5ace7
[INFO] running `"docker" "start" "-a" "3ead05c8d03dd9d26b1522edafe4b55531a872ffda401e4db886a4d8c5f5ace7"`
[INFO] [stderr]    Compiling shadow_cost_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:294:17
[INFO] [stderr]     |
[INFO] [stderr] 294 |             let mut t = self.cache.get_mut(key).unwrap();
[INFO] [stderr]     |                 ----^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "3ead05c8d03dd9d26b1522edafe4b55531a872ffda401e4db886a4d8c5f5ace7"`
[INFO] running `"docker" "rm" "-f" "3ead05c8d03dd9d26b1522edafe4b55531a872ffda401e4db886a4d8c5f5ace7"`
[INFO] [stdout] 3ead05c8d03dd9d26b1522edafe4b55531a872ffda401e4db886a4d8c5f5ace7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-1/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ymmtmdk/shadow_cost_rust:/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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] b39f8ec297a15714839295e22c3d3cfb96a7933d982f3bc9b69d396a291027f6
[INFO] running `"docker" "start" "-a" "b39f8ec297a15714839295e22c3d3cfb96a7933d982f3bc9b69d396a291027f6"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shadow_cost_rust-4f81d9dc7d461088
[INFO] [stdout] test tests::less_than ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::draw ... ok
[INFO] [stdout] test tests::play ... ok
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::player ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::trial ... ok
[INFO] [stdout] test tests::size ... ok
[INFO] [stdout] test tests::cost_sim ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/shadow_cost_rust-d97b813a3a57d6eb
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shadow_cost_rust
[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] [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" "b39f8ec297a15714839295e22c3d3cfb96a7933d982f3bc9b69d396a291027f6"`
[INFO] running `"docker" "rm" "-f" "b39f8ec297a15714839295e22c3d3cfb96a7933d982f3bc9b69d396a291027f6"`
[INFO] [stdout] b39f8ec297a15714839295e22c3d3cfb96a7933d982f3bc9b69d396a291027f6