[INFO] updating cached repository camccar/nqueens
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/camccar/nqueens
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/camccar/nqueens" "work/ex/beta-1.37-6/sources/1.36.0/gh/camccar/nqueens"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/camccar/nqueens'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/camccar/nqueens" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 00e85a502608fe6ee6ac2d5906ba55f321f4d6fb
[INFO] sha for GitHub repo camccar/nqueens: 00e85a502608fe6ee6ac2d5906ba55f321f4d6fb
[INFO] validating manifest of camccar/nqueens on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of camccar/nqueens on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing camccar/nqueens
[INFO] finished frobbing camccar/nqueens
[INFO] frobbed toml for camccar/nqueens written to work/ex/beta-1.37-6/sources/1.36.0/gh/camccar/nqueens/Cargo.toml
[INFO] started frobbing camccar/nqueens
[INFO] finished frobbing camccar/nqueens
[INFO] frobbed toml for camccar/nqueens written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens/Cargo.toml
[INFO] crate camccar/nqueens already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing camccar/nqueens against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 24ddcbc18a5004c29c11374aff65a1fdd235ef3504d22950d34fa5f3f4e7339e
[INFO] running `"docker" "start" "-a" "24ddcbc18a5004c29c11374aff65a1fdd235ef3504d22950d34fa5f3f4e7339e"`
[INFO] [stderr]    Compiling nqueens v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `printqueens`
[INFO] [stderr]   --> src/main.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn printqueens(input:&Vec<Vec<i32>>){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "24ddcbc18a5004c29c11374aff65a1fdd235ef3504d22950d34fa5f3f4e7339e"`
[INFO] running `"docker" "rm" "-f" "24ddcbc18a5004c29c11374aff65a1fdd235ef3504d22950d34fa5f3f4e7339e"`
[INFO] [stdout] 24ddcbc18a5004c29c11374aff65a1fdd235ef3504d22950d34fa5f3f4e7339e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5bee1c7ba8e582f14ef902f1e44fd08ff83e19183ed2faf17d20995dec5b346c
[INFO] running `"docker" "start" "-a" "5bee1c7ba8e582f14ef902f1e44fd08ff83e19183ed2faf17d20995dec5b346c"`
[INFO] [stderr]    Compiling nqueens v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `printqueens`
[INFO] [stderr]   --> src/main.rs:71:1
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn printqueens(input:&Vec<Vec<i32>>){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "5bee1c7ba8e582f14ef902f1e44fd08ff83e19183ed2faf17d20995dec5b346c"`
[INFO] running `"docker" "rm" "-f" "5bee1c7ba8e582f14ef902f1e44fd08ff83e19183ed2faf17d20995dec5b346c"`
[INFO] [stdout] 5bee1c7ba8e582f14ef902f1e44fd08ff83e19183ed2faf17d20995dec5b346c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/camccar/nqueens:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c763ece09f70cae341d3500d4cb27141a0806ae984a52230fa005bc807500556
[INFO] running `"docker" "start" "-a" "c763ece09f70cae341d3500d4cb27141a0806ae984a52230fa005bc807500556"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nqueens-669f231bf7f24bc7
[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" "c763ece09f70cae341d3500d4cb27141a0806ae984a52230fa005bc807500556"`
[INFO] running `"docker" "rm" "-f" "c763ece09f70cae341d3500d4cb27141a0806ae984a52230fa005bc807500556"`
[INFO] [stdout] c763ece09f70cae341d3500d4cb27141a0806ae984a52230fa005bc807500556