[INFO] crate simple-error 0.2.1 is already in cache
[INFO] extracting crate simple-error 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/simple-error/0.2.1
[INFO] extracting crate simple-error 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple-error/0.2.1
[INFO] validating manifest of simple-error-0.2.1 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 simple-error-0.2.1 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 simple-error-0.2.1
[INFO] finished frobbing simple-error-0.2.1
[INFO] frobbed toml for simple-error-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/simple-error/0.2.1/Cargo.toml
[INFO] started frobbing simple-error-0.2.1
[INFO] finished frobbing simple-error-0.2.1
[INFO] frobbed toml for simple-error-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple-error/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing simple-error-0.2.1 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple-error/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 21a963c1fc66cec69662d04384e75085bb510e1e205cd742dbe9be4dbcfe4935
[INFO] running `"docker" "start" "-a" "21a963c1fc66cec69662d04384e75085bb510e1e205cd742dbe9be4dbcfe4935"`
[INFO] [stderr]    Compiling simple-error v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "21a963c1fc66cec69662d04384e75085bb510e1e205cd742dbe9be4dbcfe4935"`
[INFO] running `"docker" "rm" "-f" "21a963c1fc66cec69662d04384e75085bb510e1e205cd742dbe9be4dbcfe4935"`
[INFO] [stdout] 21a963c1fc66cec69662d04384e75085bb510e1e205cd742dbe9be4dbcfe4935
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple-error/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e3d8e3f893ae453767ef15803b1a1a0c632d2b1ac0de6db9998386ca367aec9c
[INFO] running `"docker" "start" "-a" "e3d8e3f893ae453767ef15803b1a1a0c632d2b1ac0de6db9998386ca367aec9c"`
[INFO] [stderr]    Compiling simple-error v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:372:66
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn bail_block_format_to_box_error(s: &str) -> Result<(), 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 0.68s
[INFO] running `"docker" "inspect" "e3d8e3f893ae453767ef15803b1a1a0c632d2b1ac0de6db9998386ca367aec9c"`
[INFO] running `"docker" "rm" "-f" "e3d8e3f893ae453767ef15803b1a1a0c632d2b1ac0de6db9998386ca367aec9c"`
[INFO] [stdout] e3d8e3f893ae453767ef15803b1a1a0c632d2b1ac0de6db9998386ca367aec9c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/simple-error/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] c9321a9350f0f2314d2d2531a0d13da2a696c4e2fe1f00a554d15e7876e97ec8
[INFO] running `"docker" "start" "-a" "c9321a9350f0f2314d2d2531a0d13da2a696c4e2fe1f00a554d15e7876e97ec8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_error-7e7bcdccee95a010
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]    Doc-tests simple-error
[INFO] [stdout] test tests::macro_try_with ... ok
[INFO] [stdout] test tests::macro_bail ... ok
[INFO] [stdout] test tests::new_from_string ... ok
[INFO] [stdout] test tests::new_from_str ... ok
[INFO] [stdout] test tests::macro_require_with ... ok
[INFO] [stdout] test tests::from_io_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - try_with (line 135) ... ok
[INFO] [stdout] test src/lib.rs - bail (line 247) ... ok
[INFO] [stdout] test src/lib.rs - require_with (line 192) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::with (line 74) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::from (line 52) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs - SimpleError::as_str (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c9321a9350f0f2314d2d2531a0d13da2a696c4e2fe1f00a554d15e7876e97ec8"`
[INFO] running `"docker" "rm" "-f" "c9321a9350f0f2314d2d2531a0d13da2a696c4e2fe1f00a554d15e7876e97ec8"`
[INFO] [stdout] c9321a9350f0f2314d2d2531a0d13da2a696c4e2fe1f00a554d15e7876e97ec8