[INFO] crate nanopow-rs 0.3.3 is already in cache
[INFO] extracting crate nanopow-rs 0.3.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/nanopow-rs/0.3.3
[INFO] extracting crate nanopow-rs 0.3.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nanopow-rs/0.3.3
[INFO] validating manifest of nanopow-rs-0.3.3 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 nanopow-rs-0.3.3 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 nanopow-rs-0.3.3
[INFO] finished frobbing nanopow-rs-0.3.3
[INFO] frobbed toml for nanopow-rs-0.3.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/nanopow-rs/0.3.3/Cargo.toml
[INFO] started frobbing nanopow-rs-0.3.3
[INFO] finished frobbing nanopow-rs-0.3.3
[INFO] frobbed toml for nanopow-rs-0.3.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nanopow-rs/0.3.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 nanopow-rs-0.3.3 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-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nanopow-rs/0.3.3:/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] 4c08388dbe933876dba5e61e74205029b426c75f409656235ec3489dbc33941a
[INFO] running `"docker" "start" "-a" "4c08388dbe933876dba5e61e74205029b426c75f409656235ec3489dbc33941a"`
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling crossbeam-channel v0.1.3
[INFO] [stderr]    Compiling nanopow-rs v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |   errors {
[INFO] [stderr] 4  | |     /// Invalid character used in hex string
[INFO] [stderr] 5  | |     InvalidHexCharacterError(pos: usize) {
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |   }
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "4c08388dbe933876dba5e61e74205029b426c75f409656235ec3489dbc33941a"`
[INFO] running `"docker" "rm" "-f" "4c08388dbe933876dba5e61e74205029b426c75f409656235ec3489dbc33941a"`
[INFO] [stdout] 4c08388dbe933876dba5e61e74205029b426c75f409656235ec3489dbc33941a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nanopow-rs/0.3.3:/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] e02f10cd0b9e12620e825cd46a29e47bfffb983885fb3f6a75df527025c42a42
[INFO] running `"docker" "start" "-a" "e02f10cd0b9e12620e825cd46a29e47bfffb983885fb3f6a75df527025c42a42"`
[INFO] [stderr]    Compiling nanopow-rs v0.3.3 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |   errors {
[INFO] [stderr] 4  | |     /// Invalid character used in hex string
[INFO] [stderr] 5  | |     InvalidHexCharacterError(pos: usize) {
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |   }
[INFO] [stderr] 25 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `"docker" "inspect" "e02f10cd0b9e12620e825cd46a29e47bfffb983885fb3f6a75df527025c42a42"`
[INFO] running `"docker" "rm" "-f" "e02f10cd0b9e12620e825cd46a29e47bfffb983885fb3f6a75df527025c42a42"`
[INFO] [stdout] e02f10cd0b9e12620e825cd46a29e47bfffb983885fb3f6a75df527025c42a42
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/nanopow-rs/0.3.3:/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] a3bfb1f08efaf98a501d614abcfdc9787e616e5883c5d0fa32e806dfd56f3531
[INFO] running `"docker" "start" "-a" "a3bfb1f08efaf98a501d614abcfdc9787e616e5883c5d0fa32e806dfd56f3531"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nanopow_rs-515fb58980514991
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::creates_work_from_hex_and_bytes ... ok
[INFO] [stdout] test tests::creates_hex_string_from_work ... ok
[INFO] [stdout] test tests::creates_hex_string_from_input_hash ... ok
[INFO] [stdout] test tests::validates_good_work ... ok
[INFO] [stdout] test tests::does_not_validate_bad_work ... ok
[INFO] [stdout] test tests::creates_input_hash_from_hex_and_bytes ... ok
[INFO] [stdout] test tests::generates_valid_work ... test tests::generates_valid_work has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "a3bfb1f08efaf98a501d614abcfdc9787e616e5883c5d0fa32e806dfd56f3531"`
[INFO] running `"docker" "rm" "-f" "a3bfb1f08efaf98a501d614abcfdc9787e616e5883c5d0fa32e806dfd56f3531"`
[INFO] [stdout] a3bfb1f08efaf98a501d614abcfdc9787e616e5883c5d0fa32e806dfd56f3531