[INFO] crate pow 0.1.5 is already in cache
[INFO] extracting crate pow 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/pow/0.1.5
[INFO] extracting crate pow 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pow/0.1.5
[INFO] validating manifest of pow-0.1.5 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 pow-0.1.5 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 pow-0.1.5
[INFO] finished frobbing pow-0.1.5
[INFO] frobbed toml for pow-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/pow/0.1.5/Cargo.toml
[INFO] started frobbing pow-0.1.5
[INFO] finished frobbing pow-0.1.5
[INFO] frobbed toml for pow-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pow/0.1.5/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 pow-0.1.5 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-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pow/0.1.5:/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] ca0dd625c669460a42755fc868670aeb6f9ac6db67129374263af24689f21dd5
[INFO] running `"docker" "start" "-a" "ca0dd625c669460a42755fc868670aeb6f9ac6db67129374263af24689f21dd5"`
[INFO] [stderr]    Compiling pow v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `"docker" "inspect" "ca0dd625c669460a42755fc868670aeb6f9ac6db67129374263af24689f21dd5"`
[INFO] running `"docker" "rm" "-f" "ca0dd625c669460a42755fc868670aeb6f9ac6db67129374263af24689f21dd5"`
[INFO] [stdout] ca0dd625c669460a42755fc868670aeb6f9ac6db67129374263af24689f21dd5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pow/0.1.5:/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] 7515b29aa8718f1f44878e4826157c0f7298d265a50ca4ddc0148a6b332ec8fa
[INFO] running `"docker" "start" "-a" "7515b29aa8718f1f44878e4826157c0f7298d265a50ca4ddc0148a6b332ec8fa"`
[INFO] [stderr]    Compiling pow v0.1.5 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `"docker" "inspect" "7515b29aa8718f1f44878e4826157c0f7298d265a50ca4ddc0148a6b332ec8fa"`
[INFO] running `"docker" "rm" "-f" "7515b29aa8718f1f44878e4826157c0f7298d265a50ca4ddc0148a6b332ec8fa"`
[INFO] [stdout] 7515b29aa8718f1f44878e4826157c0f7298d265a50ca4ddc0148a6b332ec8fa
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/pow/0.1.5:/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] cc1361a46427d1587ce35078ff218655d80534125afe8c5ed2d5b89f2bc6cff6
[INFO] running `"docker" "start" "-a" "cc1361a46427d1587ce35078ff218655d80534125afe8c5ed2d5b89f2bc6cff6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pow-41621dd2bc8da74b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test proof_of_work::test::ser_de ... ok
[INFO] [stdout] test proof_of_work::test::base_functionality ... ok
[INFO] [stdout] test proof_of_work::test::double_pow ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pow
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs -  (line 89) ... ok
[INFO] [stdout] test src/lib.rs -  (line 100) ... ok
[INFO] [stdout] test src/lib.rs -  (line 39) ... ok
[INFO] [stdout] test src/lib.rs -  (line 59) ... ok
[INFO] [stdout] test src/lib.rs -  (line 22) ... ok
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cc1361a46427d1587ce35078ff218655d80534125afe8c5ed2d5b89f2bc6cff6"`
[INFO] running `"docker" "rm" "-f" "cc1361a46427d1587ce35078ff218655d80534125afe8c5ed2d5b89f2bc6cff6"`
[INFO] [stdout] cc1361a46427d1587ce35078ff218655d80534125afe8c5ed2d5b89f2bc6cff6