[INFO] crate iota-pow 0.2.0 is already in cache
[INFO] testing iota-pow-0.2.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate iota-pow 0.2.0 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate iota-pow 0.2.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iota-pow 0.2.0
[INFO] finished tweaking crates.io crate iota-pow 0.2.0
[INFO] tweaked toml for crates.io crate iota-pow 0.2.0 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 828f33b360079ffe9bd95a5f76dcdb4caf2ee68f20c379c0ca97295e6a5f94e0
[INFO] running `"docker" "start" "-a" "828f33b360079ffe9bd95a5f76dcdb4caf2ee68f20c379c0ca97295e6a5f94e0"`
[INFO] [stderr]    Compiling iota-constants v0.2.0
[INFO] [stderr]    Compiling iota-conversion v0.2.0
[INFO] [stderr]    Compiling iota-crypto v0.2.0
[INFO] [stderr]    Compiling iota-pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "828f33b360079ffe9bd95a5f76dcdb4caf2ee68f20c379c0ca97295e6a5f94e0"`
[INFO] running `"docker" "rm" "-f" "828f33b360079ffe9bd95a5f76dcdb4caf2ee68f20c379c0ca97295e6a5f94e0"`
[INFO] [stdout] 828f33b360079ffe9bd95a5f76dcdb4caf2ee68f20c379c0ca97295e6a5f94e0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 148d39926a6a574668eb24c32ddaa539866ab78ecad67612f69b1cb727b17c08
[INFO] running `"docker" "start" "-a" "148d39926a6a574668eb24c32ddaa539866ab78ecad67612f69b1cb727b17c08"`
[INFO] [stderr]    Compiling iota-pow v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "148d39926a6a574668eb24c32ddaa539866ab78ecad67612f69b1cb727b17c08"`
[INFO] running `"docker" "rm" "-f" "148d39926a6a574668eb24c32ddaa539866ab78ecad67612f69b1cb727b17c08"`
[INFO] [stdout] 148d39926a6a574668eb24c32ddaa539866ab78ecad67612f69b1cb727b17c08
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2760a6e1e6276c52cebe556074c33325d23a0d18e4c202c6429b9a61dca1f38f
[INFO] running `"docker" "start" "-a" "2760a6e1e6276c52cebe556074c33325d23a0d18e4c202c6429b9a61dca1f38f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iota_pow-a814d7f306cbf46d
[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 iota_pow
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lib.rs - PearlDiver::cancel (line 100) ... ok
[INFO] [stdout] test lib.rs - PearlDiver (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2760a6e1e6276c52cebe556074c33325d23a0d18e4c202c6429b9a61dca1f38f"`
[INFO] running `"docker" "rm" "-f" "2760a6e1e6276c52cebe556074c33325d23a0d18e4c202c6429b9a61dca1f38f"`
[INFO] [stdout] 2760a6e1e6276c52cebe556074c33325d23a0d18e4c202c6429b9a61dca1f38f