[INFO] fetching crate user-error 1.0.4...
[INFO] extracting crate user-error 1.0.4 into work/ex/beta-1.37-6/sources/1.36.0/reg/user-error/1.0.4
[INFO] extracting crate user-error 1.0.4 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/user-error/1.0.4
[INFO] validating manifest of user-error-1.0.4 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 user-error-1.0.4 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 user-error-1.0.4
[INFO] finished frobbing user-error-1.0.4
[INFO] frobbed toml for user-error-1.0.4 written to work/ex/beta-1.37-6/sources/1.36.0/reg/user-error/1.0.4/Cargo.toml
[INFO] started frobbing user-error-1.0.4
[INFO] finished frobbing user-error-1.0.4
[INFO] frobbed toml for user-error-1.0.4 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/user-error/1.0.4/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]  Downloading crates ...
[INFO] [stderr]   Downloaded scrawl v0.1.5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing user-error-1.0.4 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-7/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/user-error/1.0.4:/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] 694360a0f13172ce7952393b9a70e7aa444a6ec9d85101288776dd5adaae0659
[INFO] running `"docker" "start" "-a" "694360a0f13172ce7952393b9a70e7aa444a6ec9d85101288776dd5adaae0659"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scrawl v0.1.5
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]    Compiling rusqlite v0.19.0
[INFO] [stderr]    Compiling user-error v1.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     original_errors: Option<Vec<Box<Error>>>,
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.87s
[INFO] running `"docker" "inspect" "694360a0f13172ce7952393b9a70e7aa444a6ec9d85101288776dd5adaae0659"`
[INFO] running `"docker" "rm" "-f" "694360a0f13172ce7952393b9a70e7aa444a6ec9d85101288776dd5adaae0659"`
[INFO] [stdout] 694360a0f13172ce7952393b9a70e7aa444a6ec9d85101288776dd5adaae0659
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/user-error/1.0.4:/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] 57afd0a657c2b0a7b2d1aed4d118f91cfd261b5f15755bfbf879d00c3253e4a5
[INFO] running `"docker" "start" "-a" "57afd0a657c2b0a7b2d1aed4d118f91cfd261b5f15755bfbf879d00c3253e4a5"`
[INFO] [stderr]    Compiling user-error v1.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:29:34
[INFO] [stderr]    |
[INFO] [stderr] 29 |     original_errors: Option<Vec<Box<Error>>>,
[INFO] [stderr]    |                                     ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `"docker" "inspect" "57afd0a657c2b0a7b2d1aed4d118f91cfd261b5f15755bfbf879d00c3253e4a5"`
[INFO] running `"docker" "rm" "-f" "57afd0a657c2b0a7b2d1aed4d118f91cfd261b5f15755bfbf879d00c3253e4a5"`
[INFO] [stdout] 57afd0a657c2b0a7b2d1aed4d118f91cfd261b5f15755bfbf879d00c3253e4a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/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/user-error/1.0.4:/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] e5b32b8d568b6a37d18cd357df7200a0d0511f424aa74863faeabdda91d63826
[INFO] running `"docker" "start" "-a" "e5b32b8d568b6a37d18cd357df7200a0d0511f424aa74863faeabdda91d63826"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/user_error-53c23de8c333547e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::example ... ok
[INFO] [stdout] test tests::sqlite_coercion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple-83e85d72d31a3bb3
[INFO] [stderr]    Doc-tests user-error
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test simple_constructor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/implementation.rs - implementation::UserError::clear_subtleties (line 404) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::new (line 19) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::print_and_exit (line 101) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::print (line 84) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::clear_reasons (line 291) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::hardcoded (line 44) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::add_subtly (line 348) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::add_reason (line 227) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::reasons (line 196) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::print_other_errors (line 427) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::subtleties (line 315) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::simple (line 67) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::summary (line 124) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::update_and_push_summary (line 158) ... ok
[INFO] [stdout] test src/scrawl_errors.rs - scrawl_errors::UserError (line 12) ... ok
[INFO] [stdout] test src/implementation.rs - implementation::UserError::update_summary (line 144) ... ok
[INFO] [stdout] test src/sqlite_errors.rs - sqlite_errors::UserError (line 12) ... ok
[INFO] [stdout] test src/stdio_errors.rs - stdio_errors::UserError (line 12) ... ok
[INFO] [stdout] test src/string_errors.rs - string_errors::UserError (line 10) ... ok
[INFO] [stdout] test src/string_errors.rs - string_errors::UserError (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "e5b32b8d568b6a37d18cd357df7200a0d0511f424aa74863faeabdda91d63826"`
[INFO] running `"docker" "rm" "-f" "e5b32b8d568b6a37d18cd357df7200a0d0511f424aa74863faeabdda91d63826"`
[INFO] [stdout] e5b32b8d568b6a37d18cd357df7200a0d0511f424aa74863faeabdda91d63826