[INFO] crate blunder 0.2.1 is already in cache
[INFO] extracting crate blunder 0.2.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/blunder/0.2.1
[INFO] extracting crate blunder 0.2.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blunder/0.2.1
[INFO] validating manifest of blunder-0.2.1 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 blunder-0.2.1 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 blunder-0.2.1
[INFO] finished frobbing blunder-0.2.1
[INFO] frobbed toml for blunder-0.2.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/blunder/0.2.1/Cargo.toml
[INFO] started frobbing blunder-0.2.1
[INFO] finished frobbing blunder-0.2.1
[INFO] frobbed toml for blunder-0.2.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/blunder/0.2.1/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing blunder-0.2.1 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-3/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/blunder/0.2.1:/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] 37022c867d3610651cd78225d1b42aa35dd45ba86f9ed526e1606a5cc9937a45
[INFO] running `"docker" "start" "-a" "37022c867d3610651cd78225d1b42aa35dd45ba86f9ed526e1606a5cc9937a45"`
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling blunder v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bsd.rs:412:32
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:69:32
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.kind.cause()
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "37022c867d3610651cd78225d1b42aa35dd45ba86f9ed526e1606a5cc9937a45"`
[INFO] running `"docker" "rm" "-f" "37022c867d3610651cd78225d1b42aa35dd45ba86f9ed526e1606a5cc9937a45"`
[INFO] [stdout] 37022c867d3610651cd78225d1b42aa35dd45ba86f9ed526e1606a5cc9937a45
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/blunder/0.2.1:/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] 94503cea5b81dbb2dedab344105faeeef40e25bbb2e6582698a225c4b5df6de5
[INFO] running `"docker" "start" "-a" "94503cea5b81dbb2dedab344105faeeef40e25bbb2e6582698a225c4b5df6de5"`
[INFO] [stderr]    Compiling blunder v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/bsd.rs:412:32
[INFO] [stderr]     |
[INFO] [stderr] 412 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:69:32
[INFO] [stderr]    |
[INFO] [stderr] 69 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:103:36
[INFO] [stderr]     |
[INFO] [stderr] 103 |         fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]     |                                    ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/lib.rs:70:19
[INFO] [stderr]    |
[INFO] [stderr] 70 |         self.kind.cause()
[INFO] [stderr]    |                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:112:22
[INFO] [stderr]     |
[INFO] [stderr] 112 |     assert_eq!(error.cause().is_some(), false);
[INFO] [stderr]     |                      ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `"docker" "inspect" "94503cea5b81dbb2dedab344105faeeef40e25bbb2e6582698a225c4b5df6de5"`
[INFO] running `"docker" "rm" "-f" "94503cea5b81dbb2dedab344105faeeef40e25bbb2e6582698a225c4b5df6de5"`
[INFO] [stdout] 94503cea5b81dbb2dedab344105faeeef40e25bbb2e6582698a225c4b5df6de5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/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/blunder/0.2.1:/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] d33b5375554a474e82ca83c1803de15474cd05b88dbe9082d2d535394add4131
[INFO] running `"docker" "start" "-a" "d33b5375554a474e82ca83c1803de15474cd05b88dbe9082d2d535394add4131"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blunder-9514d07c5fee106f
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] test bsd::bsd_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests blunder
[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] running `"docker" "inspect" "d33b5375554a474e82ca83c1803de15474cd05b88dbe9082d2d535394add4131"`
[INFO] running `"docker" "rm" "-f" "d33b5375554a474e82ca83c1803de15474cd05b88dbe9082d2d535394add4131"`
[INFO] [stdout] d33b5375554a474e82ca83c1803de15474cd05b88dbe9082d2d535394add4131