[INFO] crate parse_result 0.1.0 is already in cache
[INFO] extracting crate parse_result 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/parse_result/0.1.0
[INFO] extracting crate parse_result 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parse_result/0.1.0
[INFO] validating manifest of parse_result-0.1.0 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 parse_result-0.1.0 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 parse_result-0.1.0
[INFO] finished frobbing parse_result-0.1.0
[INFO] frobbed toml for parse_result-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/parse_result/0.1.0/Cargo.toml
[INFO] started frobbing parse_result-0.1.0
[INFO] finished frobbing parse_result-0.1.0
[INFO] frobbed toml for parse_result-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/parse_result/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing parse_result-0.1.0 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/parse_result/0.1.0:/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] 8e60c853ee5b827dfe4f4a4db98a45cd2463e6dd38d85e93eba6bef341cabfd8
[INFO] running `"docker" "start" "-a" "8e60c853ee5b827dfe4f4a4db98a45cd2463e6dd38d85e93eba6bef341cabfd8"`
[INFO] [stderr]    Compiling parse_result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "8e60c853ee5b827dfe4f4a4db98a45cd2463e6dd38d85e93eba6bef341cabfd8"`
[INFO] running `"docker" "rm" "-f" "8e60c853ee5b827dfe4f4a4db98a45cd2463e6dd38d85e93eba6bef341cabfd8"`
[INFO] [stdout] 8e60c853ee5b827dfe4f4a4db98a45cd2463e6dd38d85e93eba6bef341cabfd8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/parse_result/0.1.0:/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] 2c0fd8ffc1a944178362a5ae77b664e3bd4f363af153e9acf2ab1b810ac1543a
[INFO] running `"docker" "start" "-a" "2c0fd8ffc1a944178362a5ae77b664e3bd4f363af153e9acf2ab1b810ac1543a"`
[INFO] [stderr]    Compiling parse_result v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:74:32
[INFO] [stderr]    |
[INFO] [stderr] 74 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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:142:38
[INFO] [stderr]     |
[INFO] [stderr] 142 |     fn get_port() -> Result<u16, Box<Error>> {
[INFO] [stderr]     |                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `"docker" "inspect" "2c0fd8ffc1a944178362a5ae77b664e3bd4f363af153e9acf2ab1b810ac1543a"`
[INFO] running `"docker" "rm" "-f" "2c0fd8ffc1a944178362a5ae77b664e3bd4f363af153e9acf2ab1b810ac1543a"`
[INFO] [stdout] 2c0fd8ffc1a944178362a5ae77b664e3bd4f363af153e9acf2ab1b810ac1543a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/parse_result/0.1.0:/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] 7ca519db8ded8ee6a9fb0ddab496389b1f4ea44aef1ecaa1e18f61ab3894459c
[INFO] running `"docker" "start" "-a" "7ca519db8ded8ee6a9fb0ddab496389b1f4ea44aef1ecaa1e18f61ab3894459c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/parse_result-2ccd049b8101b1bc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test boxed_error_works ... ok
[INFO] [stdout] test parses_ok_with_type_inference ... ok
[INFO] [stdout] test fails_to_parse_an_original_err ... ok
[INFO] [stdout] test returns_parse_error_on_parse_failure ... ok
[INFO] [stdout] test allows_turbofish_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests parse_result
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 8) ... 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" "7ca519db8ded8ee6a9fb0ddab496389b1f4ea44aef1ecaa1e18f61ab3894459c"`
[INFO] running `"docker" "rm" "-f" "7ca519db8ded8ee6a9fb0ddab496389b1f4ea44aef1ecaa1e18f61ab3894459c"`
[INFO] [stdout] 7ca519db8ded8ee6a9fb0ddab496389b1f4ea44aef1ecaa1e18f61ab3894459c