[INFO] crate criterion-plot 0.3.1 is already in cache
[INFO] extracting crate criterion-plot 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/criterion-plot/0.3.1
[INFO] extracting crate criterion-plot 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/criterion-plot/0.3.1
[INFO] validating manifest of criterion-plot-0.3.1 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 criterion-plot-0.3.1 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 criterion-plot-0.3.1
[INFO] finished frobbing criterion-plot-0.3.1
[INFO] frobbed toml for criterion-plot-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/criterion-plot/0.3.1/Cargo.toml
[INFO] started frobbing criterion-plot-0.3.1
[INFO] finished frobbing criterion-plot-0.3.1
[INFO] frobbed toml for criterion-plot-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/criterion-plot/0.3.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing criterion-plot-0.3.1 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-2/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/criterion-plot/0.3.1:/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] 400459f3f6677747f3f525b9ab44177d294f8d213e1b929e1d248b35c393be05
[INFO] running `"docker" "start" "-a" "400459f3f6677747f3f525b9ab44177d294f8d213e1b929e1d248b35c393be05"`
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:992:32
[INFO] [stderr]     |
[INFO] [stderr] 992 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `"docker" "inspect" "400459f3f6677747f3f525b9ab44177d294f8d213e1b929e1d248b35c393be05"`
[INFO] running `"docker" "rm" "-f" "400459f3f6677747f3f525b9ab44177d294f8d213e1b929e1d248b35c393be05"`
[INFO] [stdout] 400459f3f6677747f3f525b9ab44177d294f8d213e1b929e1d248b35c393be05
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/criterion-plot/0.3.1:/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] 85cf468d3c58ce8db93aca00e42c3441ffbf36ba87d110a0989f01652e1cb541
[INFO] running `"docker" "start" "-a" "85cf468d3c58ce8db93aca00e42c3441ffbf36ba87d110a0989f01652e1cb541"`
[INFO] [stderr]    Compiling itertools-num v0.1.3
[INFO] [stderr]    Compiling criterion-plot v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:992:32
[INFO] [stderr]     |
[INFO] [stderr] 992 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:392:9
[INFO] [stderr]     |
[INFO] [stderr] 392 | #![deny(warnings)]
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.92s
[INFO] running `"docker" "inspect" "85cf468d3c58ce8db93aca00e42c3441ffbf36ba87d110a0989f01652e1cb541"`
[INFO] running `"docker" "rm" "-f" "85cf468d3c58ce8db93aca00e42c3441ffbf36ba87d110a0989f01652e1cb541"`
[INFO] [stdout] 85cf468d3c58ce8db93aca00e42c3441ffbf36ba87d110a0989f01652e1cb541
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/criterion-plot/0.3.1:/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] d7f974b863f75f25695e6bf7d4c95cc0dfae3f9a187be5fa28c2121c721289da
[INFO] running `"docker" "start" "-a" "d7f974b863f75f25695e6bf7d4c95cc0dfae3f9a187be5fa28c2121c721289da"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/criterion_plot-4d3b62cc0a18916c
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_parse_gentoo_version ... ok
[INFO] [stdout] test test::test_parse_version_on_valid_string ... ok
[INFO] [stdout] test test::test_parse_version_returns_error_on_invalid_strings ... ok
[INFO] [stdout] test test::version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests criterion-plot
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs -  (line 14) ... ok
[INFO] [stdout] test src/lib.rs -  (line 236) ... ok
[INFO] [stdout] test src/lib.rs -  (line 314) ... ok
[INFO] [stdout] test src/lib.rs -  (line 167) ... ok
[INFO] [stdout] test src/lib.rs -  (line 81) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d7f974b863f75f25695e6bf7d4c95cc0dfae3f9a187be5fa28c2121c721289da"`
[INFO] running `"docker" "rm" "-f" "d7f974b863f75f25695e6bf7d4c95cc0dfae3f9a187be5fa28c2121c721289da"`
[INFO] [stdout] d7f974b863f75f25695e6bf7d4c95cc0dfae3f9a187be5fa28c2121c721289da