[INFO] updating cached repository jD91mZM2/crappy-chess-minimax
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jD91mZM2/crappy-chess-minimax
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jD91mZM2/crappy-chess-minimax" "work/ex/beta-1.38-1/sources/1.37.0/gh/jD91mZM2/crappy-chess-minimax"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jD91mZM2/crappy-chess-minimax'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jD91mZM2/crappy-chess-minimax" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a12b29eaf0f0d40ef01c3e985f5610911b4ae0d4
[INFO] sha for GitHub repo jD91mZM2/crappy-chess-minimax: a12b29eaf0f0d40ef01c3e985f5610911b4ae0d4
[INFO] validating manifest of jD91mZM2/crappy-chess-minimax 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 jD91mZM2/crappy-chess-minimax 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 jD91mZM2/crappy-chess-minimax
[INFO] finished frobbing jD91mZM2/crappy-chess-minimax
[INFO] frobbed toml for jD91mZM2/crappy-chess-minimax written to work/ex/beta-1.38-1/sources/1.37.0/gh/jD91mZM2/crappy-chess-minimax/Cargo.toml
[INFO] started frobbing jD91mZM2/crappy-chess-minimax
[INFO] finished frobbing jD91mZM2/crappy-chess-minimax
[INFO] frobbed toml for jD91mZM2/crappy-chess-minimax written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax/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 jD91mZM2/crappy-chess-minimax against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] ed1e7bc14316d6aaf4ea6a523734a7940e5214d7cea5e13e17a3e2f5106a5ae0
[INFO] running `"docker" "start" "-a" "ed1e7bc14316d6aaf4ea6a523734a7940e5214d7cea5e13e17a3e2f5106a5ae0"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling chess-minimax v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PieceKind` is imported redundantly
[INFO] [stderr]   --> src/board.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 3  |     piece::{Piece, PieceKind},
[INFO] [stderr]    |                    --------- the item `PieceKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 61 |         use crate::piece::PieceKind::{self, *};
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `"docker" "inspect" "ed1e7bc14316d6aaf4ea6a523734a7940e5214d7cea5e13e17a3e2f5106a5ae0"`
[INFO] running `"docker" "rm" "-f" "ed1e7bc14316d6aaf4ea6a523734a7940e5214d7cea5e13e17a3e2f5106a5ae0"`
[INFO] [stdout] ed1e7bc14316d6aaf4ea6a523734a7940e5214d7cea5e13e17a3e2f5106a5ae0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 76fec4e85fe05aca11276b83055a6fdd1acf910d936398389130efc9b2065284
[INFO] running `"docker" "start" "-a" "76fec4e85fe05aca11276b83055a6fdd1acf910d936398389130efc9b2065284"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chess-minimax v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PieceKind` is imported redundantly
[INFO] [stderr]   --> src/board.rs:61:39
[INFO] [stderr]    |
[INFO] [stderr] 3  |     piece::{Piece, PieceKind},
[INFO] [stderr]    |                    --------- the item `PieceKind` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 61 |         use crate::piece::PieceKind::{self, *};
[INFO] [stderr]    |                                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "76fec4e85fe05aca11276b83055a6fdd1acf910d936398389130efc9b2065284"`
[INFO] running `"docker" "rm" "-f" "76fec4e85fe05aca11276b83055a6fdd1acf910d936398389130efc9b2065284"`
[INFO] [stdout] 76fec4e85fe05aca11276b83055a6fdd1acf910d936398389130efc9b2065284
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jD91mZM2/crappy-chess-minimax:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f013a90745f41c212237751939c5ece74c2e76234292b668e11625edcfdb007e
[INFO] running `"docker" "start" "-a" "f013a90745f41c212237751939c5ece74c2e76234292b668e11625edcfdb007e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chess_minimax-10d7aca6db9c7bda
[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] [stderr]    Doc-tests chess-minimax
[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" "f013a90745f41c212237751939c5ece74c2e76234292b668e11625edcfdb007e"`
[INFO] running `"docker" "rm" "-f" "f013a90745f41c212237751939c5ece74c2e76234292b668e11625edcfdb007e"`
[INFO] [stdout] f013a90745f41c212237751939c5ece74c2e76234292b668e11625edcfdb007e