[INFO] updating cached repository jtdowney/b2sum-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jtdowney/b2sum-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jtdowney/b2sum-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jtdowney/b2sum-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jtdowney/b2sum-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jtdowney/b2sum-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c5f7dff35589b61c2bcb33bd6d3b5f5cd48f5cf4
[INFO] sha for GitHub repo jtdowney/b2sum-rs: c5f7dff35589b61c2bcb33bd6d3b5f5cd48f5cf4
[INFO] validating manifest of jtdowney/b2sum-rs 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 jtdowney/b2sum-rs 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 jtdowney/b2sum-rs
[INFO] finished frobbing jtdowney/b2sum-rs
[INFO] frobbed toml for jtdowney/b2sum-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs/Cargo.toml
[INFO] started frobbing jtdowney/b2sum-rs
[INFO] finished frobbing jtdowney/b2sum-rs
[INFO] frobbed toml for jtdowney/b2sum-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jtdowney/b2sum-rs/Cargo.toml
[INFO] crate jtdowney/b2sum-rs 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jtdowney/b2sum-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 66336ad6092da4ad72a5ea82421f8379277cc5932b6d7625999558b9f154646e
[INFO] running `"docker" "start" "-a" "66336ad6092da4ad72a5ea82421f8379277cc5932b6d7625999558b9f154646e"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.48
[INFO] [stderr]    Compiling constant_time_eq v0.1.2
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.1.0
[INFO] [stderr]    Compiling blake2-rfc v0.2.17
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling backtrace v0.3.2
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling b2sum v0.2.0 (/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/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     error_chain! {
[INFO] [stderr] 11 | |         foreign_links {
[INFO] [stderr] 12 | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 13 | |             Io(::std::io::Error);
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     error_chain! {
[INFO] [stderr] 11 | |         foreign_links {
[INFO] [stderr] 12 | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 13 | |             Io(::std::io::Error);
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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 30.27s
[INFO] running `"docker" "inspect" "66336ad6092da4ad72a5ea82421f8379277cc5932b6d7625999558b9f154646e"`
[INFO] running `"docker" "rm" "-f" "66336ad6092da4ad72a5ea82421f8379277cc5932b6d7625999558b9f154646e"`
[INFO] [stdout] 66336ad6092da4ad72a5ea82421f8379277cc5932b6d7625999558b9f154646e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0ebaa65d735842ea023a3c2e02a137fe7df526bd42b22559e5a2019e0742bfb2
[INFO] running `"docker" "start" "-a" "0ebaa65d735842ea023a3c2e02a137fe7df526bd42b22559e5a2019e0742bfb2"`
[INFO] [stderr]    Compiling b2sum v0.2.0 (/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/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     error_chain! {
[INFO] [stderr] 11 | |         foreign_links {
[INFO] [stderr] 12 | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 13 | |             Io(::std::io::Error);
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[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] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | /     error_chain! {
[INFO] [stderr] 11 | |         foreign_links {
[INFO] [stderr] 12 | |             Fmt(::std::fmt::Error);
[INFO] [stderr] 13 | |             Io(::std::io::Error);
[INFO] [stderr] 14 | |         }
[INFO] [stderr] 15 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[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 1.36s
[INFO] running `"docker" "inspect" "0ebaa65d735842ea023a3c2e02a137fe7df526bd42b22559e5a2019e0742bfb2"`
[INFO] running `"docker" "rm" "-f" "0ebaa65d735842ea023a3c2e02a137fe7df526bd42b22559e5a2019e0742bfb2"`
[INFO] [stdout] 0ebaa65d735842ea023a3c2e02a137fe7df526bd42b22559e5a2019e0742bfb2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jtdowney/b2sum-rs:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 73d243af56a3a13c585d3b357567eafe049c1ee64b94f1f6bb6ba3086316e059
[INFO] running `"docker" "start" "-a" "73d243af56a3a13c585d3b357567eafe049c1ee64b94f1f6bb6ba3086316e059"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/b2sum-898f19a047c12c89
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::split_check_line_with_valid_line ... ok
[INFO] [stdout] test tests::split_check_line_with_missing_filename ... ok
[INFO] [stdout] test tests::split_check_line_with_too_small_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_non_even_hash ... ok
[INFO] [stdout] test tests::split_check_line_with_truncated_line ... ok
[INFO] [stdout] test tests::split_check_line_with_too_long_hash ... 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" "73d243af56a3a13c585d3b357567eafe049c1ee64b94f1f6bb6ba3086316e059"`
[INFO] running `"docker" "rm" "-f" "73d243af56a3a13c585d3b357567eafe049c1ee64b94f1f6bb6ba3086316e059"`
[INFO] [stdout] 73d243af56a3a13c585d3b357567eafe049c1ee64b94f1f6bb6ba3086316e059