[INFO] crate cargo-danger 0.2.2 is already in cache
[INFO] extracting crate cargo-danger 0.2.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-danger/0.2.2
[INFO] extracting crate cargo-danger 0.2.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-danger/0.2.2
[INFO] validating manifest of cargo-danger-0.2.2 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 cargo-danger-0.2.2 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 cargo-danger-0.2.2
[INFO] finished frobbing cargo-danger-0.2.2
[INFO] frobbed toml for cargo-danger-0.2.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-danger/0.2.2/Cargo.toml
[INFO] started frobbing cargo-danger-0.2.2
[INFO] finished frobbing cargo-danger-0.2.2
[INFO] frobbed toml for cargo-danger-0.2.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cargo-danger/0.2.2/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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing cargo-danger-0.2.2 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-danger/0.2.2:/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] 913d39660ce0e4ba9fd97343a06a6a2ff1479541d73284d51d656a13bd35becc
[INFO] running `"docker" "start" "-a" "913d39660ce0e4ba9fd97343a06a6a2ff1479541d73284d51d656a13bd35becc"`
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling opener v0.3.2
[INFO] [stderr]    Compiling rustfix v0.4.6
[INFO] [stderr]    Compiling crates-io v0.20.0
[INFO] [stderr]    Compiling cargo v0.32.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling cargo-danger v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::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 1m 29s
[INFO] running `"docker" "inspect" "913d39660ce0e4ba9fd97343a06a6a2ff1479541d73284d51d656a13bd35becc"`
[INFO] running `"docker" "rm" "-f" "913d39660ce0e4ba9fd97343a06a6a2ff1479541d73284d51d656a13bd35becc"`
[INFO] [stdout] 913d39660ce0e4ba9fd97343a06a6a2ff1479541d73284d51d656a13bd35becc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-danger/0.2.2:/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] 46d6eb39747b0af37f9609544b19f1225317a51d1163665b625b6e285bd29a0f
[INFO] running `"docker" "start" "-a" "46d6eb39747b0af37f9609544b19f1225317a51d1163665b625b6e285bd29a0f"`
[INFO] [stderr]    Compiling cargo-danger v0.2.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:19:45
[INFO] [stderr]    |
[INFO] [stderr] 19 | type Result<T> = std::result::Result<T, Box<std::error::Error>>;
[INFO] [stderr]    |                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::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 1.25s
[INFO] running `"docker" "inspect" "46d6eb39747b0af37f9609544b19f1225317a51d1163665b625b6e285bd29a0f"`
[INFO] running `"docker" "rm" "-f" "46d6eb39747b0af37f9609544b19f1225317a51d1163665b625b6e285bd29a0f"`
[INFO] [stdout] 46d6eb39747b0af37f9609544b19f1225317a51d1163665b625b6e285bd29a0f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cargo-danger/0.2.2:/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] 137486b0ec09865134b3b13d80342dcaca5a1f531e1a5cb8c9a32385f35c13d5
[INFO] running `"docker" "start" "-a" "137486b0ec09865134b3b13d80342dcaca5a1f531e1a5cb8c9a32385f35c13d5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_danger-1264aac8e252df9f
[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" "137486b0ec09865134b3b13d80342dcaca5a1f531e1a5cb8c9a32385f35c13d5"`
[INFO] running `"docker" "rm" "-f" "137486b0ec09865134b3b13d80342dcaca5a1f531e1a5cb8c9a32385f35c13d5"`
[INFO] [stdout] 137486b0ec09865134b3b13d80342dcaca5a1f531e1a5cb8c9a32385f35c13d5