[INFO] crate libcantal 0.3.2 is already in cache
[INFO] extracting crate libcantal 0.3.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/libcantal/0.3.2
[INFO] extracting crate libcantal 0.3.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libcantal/0.3.2
[INFO] validating manifest of libcantal-0.3.2 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 libcantal-0.3.2 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 libcantal-0.3.2
[INFO] finished frobbing libcantal-0.3.2
[INFO] frobbed toml for libcantal-0.3.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/libcantal/0.3.2/Cargo.toml
[INFO] started frobbing libcantal-0.3.2
[INFO] finished frobbing libcantal-0.3.2
[INFO] frobbed toml for libcantal-0.3.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/libcantal/0.3.2/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 libcantal-0.3.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libcantal/0.3.2:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 5467e64928b6959b3f48951074a220784b5a397eba09b661941e6641e77b0fea
[INFO] running `"docker" "start" "-a" "5467e64928b6959b3f48951074a220784b5a397eba09b661941e6641e77b0fea"`
[INFO] [stderr]    Compiling atomic v0.3.4
[INFO] [stderr]    Compiling libcantal v0.3.2 (/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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / quick_error! {
[INFO] [stderr] 6  | |     /// Error of exporting metrics
[INFO] [stderr] 7  | |     ///
[INFO] [stderr] 8  | |     /// Can be triggered on ``cantal::start`` or ``cantal::start_by_reading``.
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[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 1.42s
[INFO] running `"docker" "inspect" "5467e64928b6959b3f48951074a220784b5a397eba09b661941e6641e77b0fea"`
[INFO] running `"docker" "rm" "-f" "5467e64928b6959b3f48951074a220784b5a397eba09b661941e6641e77b0fea"`
[INFO] [stdout] 5467e64928b6959b3f48951074a220784b5a397eba09b661941e6641e77b0fea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libcantal/0.3.2:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b98c5b4fbc1e7296e2fe09bf0841b4fe1a321fb66029f96b157dacd57fdcadf
[INFO] running `"docker" "start" "-a" "0b98c5b4fbc1e7296e2fe09bf0841b4fe1a321fb66029f96b157dacd57fdcadf"`
[INFO] [stderr]    Compiling libcantal v0.3.2 (/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:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / quick_error! {
[INFO] [stderr] 6  | |     /// Error of exporting metrics
[INFO] [stderr] 7  | |     ///
[INFO] [stderr] 8  | |     /// Can be triggered on ``cantal::start`` or ``cantal::start_by_reading``.
[INFO] [stderr] ...  |
[INFO] [stderr] 46 | |     }
[INFO] [stderr] 47 | | }
[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 3.65s
[INFO] running `"docker" "inspect" "0b98c5b4fbc1e7296e2fe09bf0841b4fe1a321fb66029f96b157dacd57fdcadf"`
[INFO] running `"docker" "rm" "-f" "0b98c5b4fbc1e7296e2fe09bf0841b4fe1a321fb66029f96b157dacd57fdcadf"`
[INFO] [stdout] 0b98c5b4fbc1e7296e2fe09bf0841b4fe1a321fb66029f96b157dacd57fdcadf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/libcantal/0.3.2:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 383cbb88c4ad1f908bb6e7bd429b7a51ae34023b13a65ae8f92cacd222a740de
[INFO] running `"docker" "start" "-a" "383cbb88c4ad1f908bb6e7bd429b7a51ae34023b13a65ae8f92cacd222a740de"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libcantal-edd86f6a9c05cf74
[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 libcantal
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "383cbb88c4ad1f908bb6e7bd429b7a51ae34023b13a65ae8f92cacd222a740de"`
[INFO] running `"docker" "rm" "-f" "383cbb88c4ad1f908bb6e7bd429b7a51ae34023b13a65ae8f92cacd222a740de"`
[INFO] [stdout] 383cbb88c4ad1f908bb6e7bd429b7a51ae34023b13a65ae8f92cacd222a740de