[INFO] updating cached repository eferri/rustysnake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/eferri/rustysnake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/eferri/rustysnake" "work/ex/beta-1.38-1/sources/1.37.0/gh/eferri/rustysnake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/eferri/rustysnake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/eferri/rustysnake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eferri/rustysnake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eferri/rustysnake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e2046cc317a0ae2cd34addaf40fd28082f4b0090
[INFO] sha for GitHub repo eferri/rustysnake: e2046cc317a0ae2cd34addaf40fd28082f4b0090
[INFO] validating manifest of eferri/rustysnake 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 eferri/rustysnake 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 eferri/rustysnake
[INFO] finished frobbing eferri/rustysnake
[INFO] frobbed toml for eferri/rustysnake written to work/ex/beta-1.38-1/sources/1.37.0/gh/eferri/rustysnake/Cargo.toml
[INFO] started frobbing eferri/rustysnake
[INFO] finished frobbing eferri/rustysnake
[INFO] frobbed toml for eferri/rustysnake written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/eferri/rustysnake/Cargo.toml
[INFO] crate eferri/rustysnake already has a lockfile, it will not be regenerated
[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 eferri/rustysnake 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-5/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/eferri/rustysnake:/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] 8be12e893ceba2c4c49426f1234c1346c3b6f3891d6179aa338baaeab549a79b
[INFO] running `"docker" "start" "-a" "8be12e893ceba2c4c49426f1234c1346c3b6f3891d6179aa338baaeab549a79b"`
[INFO] [stderr]    Compiling ascii v0.8.7
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.1
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling gzip-header v0.2.0
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling tiny_http v0.6.2
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]    Compiling multipart v0.15.4
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling rouille v3.0.0
[INFO] [stderr]    Compiling rustysnake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread::*`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.96s
[INFO] running `"docker" "inspect" "8be12e893ceba2c4c49426f1234c1346c3b6f3891d6179aa338baaeab549a79b"`
[INFO] running `"docker" "rm" "-f" "8be12e893ceba2c4c49426f1234c1346c3b6f3891d6179aa338baaeab549a79b"`
[INFO] [stdout] 8be12e893ceba2c4c49426f1234c1346c3b6f3891d6179aa338baaeab549a79b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/eferri/rustysnake:/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] ac7395ac76b09863585aa174d2ad7fa1d46a0091e29ca31db7879f05441a9e53
[INFO] running `"docker" "start" "-a" "ac7395ac76b09863585aa174d2ad7fa1d46a0091e29ca31db7879f05441a9e53"`
[INFO] [stderr]    Compiling rustysnake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::thread::*`
[INFO] [stderr]  --> src/board.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::thread::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "ac7395ac76b09863585aa174d2ad7fa1d46a0091e29ca31db7879f05441a9e53"`
[INFO] running `"docker" "rm" "-f" "ac7395ac76b09863585aa174d2ad7fa1d46a0091e29ca31db7879f05441a9e53"`
[INFO] [stdout] ac7395ac76b09863585aa174d2ad7fa1d46a0091e29ca31db7879f05441a9e53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/eferri/rustysnake:/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] 3e951d00bf2ee1c1950a6c546c065fbae5e23b128ee40cc36f2eba33fd0342cf
[INFO] running `"docker" "start" "-a" "3e951d00bf2ee1c1950a6c546c065fbae5e23b128ee40cc36f2eba33fd0342cf"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustysnake-efd672433804d4ac
[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" "3e951d00bf2ee1c1950a6c546c065fbae5e23b128ee40cc36f2eba33fd0342cf"`
[INFO] running `"docker" "rm" "-f" "3e951d00bf2ee1c1950a6c546c065fbae5e23b128ee40cc36f2eba33fd0342cf"`
[INFO] [stdout] 3e951d00bf2ee1c1950a6c546c065fbae5e23b128ee40cc36f2eba33fd0342cf