[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-1.38-1/sources/1.37.0/gh/camccar/nqueens"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/camccar/nqueens'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/camccar/nqueens" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/camccar/nqueens"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of camccar/nqueens 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 camccar/nqueens [INFO] finished frobbing camccar/nqueens [INFO] frobbed toml for camccar/nqueens written to work/ex/beta-1.38-1/sources/1.37.0/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-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing camccar/nqueens 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/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-2019-08-13" "build" "--frozen"` [INFO] [stdout] 180941588bfc28287608aa39511e407be7e3ed1faae91d2f49ef2683e1406fa5 [INFO] running `"docker" "start" "-a" "180941588bfc28287608aa39511e407be7e3ed1faae91d2f49ef2683e1406fa5"` [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>){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `"docker" "inspect" "180941588bfc28287608aa39511e407be7e3ed1faae91d2f49ef2683e1406fa5"` [INFO] running `"docker" "rm" "-f" "180941588bfc28287608aa39511e407be7e3ed1faae91d2f49ef2683e1406fa5"` [INFO] [stdout] 180941588bfc28287608aa39511e407be7e3ed1faae91d2f49ef2683e1406fa5 [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/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-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 105e3d468d43c3da8d7042689585ed817a9f2472e278efc076b22b74fe816fe1 [INFO] running `"docker" "start" "-a" "105e3d468d43c3da8d7042689585ed817a9f2472e278efc076b22b74fe816fe1"` [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>){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `"docker" "inspect" "105e3d468d43c3da8d7042689585ed817a9f2472e278efc076b22b74fe816fe1"` [INFO] running `"docker" "rm" "-f" "105e3d468d43c3da8d7042689585ed817a9f2472e278efc076b22b74fe816fe1"` [INFO] [stdout] 105e3d468d43c3da8d7042689585ed817a9f2472e278efc076b22b74fe816fe1 [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/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-2019-08-13" "test" "--frozen"` [INFO] [stdout] 2cb623bc352164e30f84226dc92035ce4c43e79718e4709b92180633b5c43aec [INFO] running `"docker" "start" "-a" "2cb623bc352164e30f84226dc92035ce4c43e79718e4709b92180633b5c43aec"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/nqueens-9f071d5b67645ff9 [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" "2cb623bc352164e30f84226dc92035ce4c43e79718e4709b92180633b5c43aec"` [INFO] running `"docker" "rm" "-f" "2cb623bc352164e30f84226dc92035ce4c43e79718e4709b92180633b5c43aec"` [INFO] [stdout] 2cb623bc352164e30f84226dc92035ce4c43e79718e4709b92180633b5c43aec