[INFO] crate mice 0.1.6 is already in cache
[INFO] extracting crate mice 0.1.6 into work/ex/beta-1.38-1/sources/1.37.0/reg/mice/0.1.6
[INFO] extracting crate mice 0.1.6 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mice/0.1.6
[INFO] validating manifest of mice-0.1.6 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mice-0.1.6 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mice-0.1.6
[INFO] finished frobbing mice-0.1.6
[INFO] frobbed toml for mice-0.1.6 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mice/0.1.6/Cargo.toml
[INFO] started frobbing mice-0.1.6
[INFO] finished frobbing mice-0.1.6
[INFO] frobbed toml for mice-0.1.6 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mice/0.1.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mice-0.1.6 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mice/0.1.6:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0039a32c12597d3102d14e79afe840116d7a95d9d6437fa69440d3497a03bdd9
[INFO] running `"docker" "start" "-a" "0039a32c12597d3102d14e79afe840116d7a95d9d6437fa69440d3497a03bdd9"`
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling mice v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `roll_vec_nice`
[INFO] [stderr]   --> src/util.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn roll_vec_nice(input: &Vec<ExprTuple>) -> Result<String, RollError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.22s
[INFO] running `"docker" "inspect" "0039a32c12597d3102d14e79afe840116d7a95d9d6437fa69440d3497a03bdd9"`
[INFO] running `"docker" "rm" "-f" "0039a32c12597d3102d14e79afe840116d7a95d9d6437fa69440d3497a03bdd9"`
[INFO] [stdout] 0039a32c12597d3102d14e79afe840116d7a95d9d6437fa69440d3497a03bdd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mice/0.1.6:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b3a5a92c218897974fb56bda07eecedba68fae1dd640474d1555e25396b1f80f
[INFO] running `"docker" "start" "-a" "b3a5a92c218897974fb56bda07eecedba68fae1dd640474d1555e25396b1f80f"`
[INFO] [stderr]    Compiling mice v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `roll_vec_nice`
[INFO] [stderr]   --> src/util.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub fn roll_vec_nice(input: &Vec<ExprTuple>) -> Result<String, RollError> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "b3a5a92c218897974fb56bda07eecedba68fae1dd640474d1555e25396b1f80f"`
[INFO] running `"docker" "rm" "-f" "b3a5a92c218897974fb56bda07eecedba68fae1dd640474d1555e25396b1f80f"`
[INFO] [stdout] b3a5a92c218897974fb56bda07eecedba68fae1dd640474d1555e25396b1f80f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/mice/0.1.6:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 54a00657ec6e785acf21fe194e4dfa13d02c8f5f27f25ae4e142415918e16974
[INFO] running `"docker" "start" "-a" "54a00657ec6e785acf21fe194e4dfa13d02c8f5f27f25ae4e142415918e16974"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mice-ace98d9bd62dd0db
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::arithmetic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - roll_dice (line 146) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "54a00657ec6e785acf21fe194e4dfa13d02c8f5f27f25ae4e142415918e16974"`
[INFO] running `"docker" "rm" "-f" "54a00657ec6e785acf21fe194e4dfa13d02c8f5f27f25ae4e142415918e16974"`
[INFO] [stdout] 54a00657ec6e785acf21fe194e4dfa13d02c8f5f27f25ae4e142415918e16974