[INFO] crate rustc_version 0.2.3 is already in cache
[INFO] testing rustc_version-0.2.3 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate rustc_version 0.2.3 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustc_version 0.2.3 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rustc_version 0.2.3
[INFO] finished tweaking crates.io crate rustc_version 0.2.3
[INFO] tweaked toml for crates.io crate rustc_version 0.2.3 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 90e10c79d69a1e5e989402bd0d0448ce72a58fc5c13c34e0084b1969dbb63108
[INFO] running `"docker" "start" "-a" "90e10c79d69a1e5e989402bd0d0448ce72a58fc5c13c34e0084b1969dbb63108"`
[INFO] [stderr]    Compiling rustc_version v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "90e10c79d69a1e5e989402bd0d0448ce72a58fc5c13c34e0084b1969dbb63108"`
[INFO] running `"docker" "rm" "-f" "90e10c79d69a1e5e989402bd0d0448ce72a58fc5c13c34e0084b1969dbb63108"`
[INFO] [stdout] 90e10c79d69a1e5e989402bd0d0448ce72a58fc5c13c34e0084b1969dbb63108
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] c63950db827353a92eae465fcec8d7f7ebb5fa2762440474713131bf189790de
[INFO] running `"docker" "start" "-a" "c63950db827353a92eae465fcec8d7f7ebb5fa2762440474713131bf189790de"`
[INFO] [stderr]    Compiling rustc_version v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:37:32
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "c63950db827353a92eae465fcec8d7f7ebb5fa2762440474713131bf189790de"`
[INFO] running `"docker" "rm" "-f" "c63950db827353a92eae465fcec8d7f7ebb5fa2762440474713131bf189790de"`
[INFO] [stdout] c63950db827353a92eae465fcec8d7f7ebb5fa2762440474713131bf189790de
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] c5c0453f2e5c32f7d359ef161ff0fae22be6bd54cea18b6cf25fc865cbfaf9c1
[INFO] running `"docker" "start" "-a" "c5c0453f2e5c32f7d359ef161ff0fae22be6bd54cea18b6cf25fc865cbfaf9c1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_version-fb01ff451e35074d
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test parse_1_0_0 ... ok
[INFO] [stdout] test parse_1_16_0_nightly ... ok
[INFO] [stdout] test parse_nightly ... ok
[INFO] [stdout] test parse_stable ... ok
[INFO] [stdout] test parse_unexpected ... ok
[INFO] [stdout] test parse_unknown ... ok
[INFO] [stdout] test smoketest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustc_version
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 22) ... 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" "c5c0453f2e5c32f7d359ef161ff0fae22be6bd54cea18b6cf25fc865cbfaf9c1"`
[INFO] running `"docker" "rm" "-f" "c5c0453f2e5c32f7d359ef161ff0fae22be6bd54cea18b6cf25fc865cbfaf9c1"`
[INFO] [stdout] c5c0453f2e5c32f7d359ef161ff0fae22be6bd54cea18b6cf25fc865cbfaf9c1