[INFO] crate rs-release 0.1.7 is already in cache
[INFO] extracting crate rs-release 0.1.7 into work/ex/beta-1.38-1/sources/1.37.0/reg/rs-release/0.1.7
[INFO] extracting crate rs-release 0.1.7 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rs-release/0.1.7
[INFO] validating manifest of rs-release-0.1.7 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 rs-release-0.1.7 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 rs-release-0.1.7
[INFO] finished frobbing rs-release-0.1.7
[INFO] frobbed toml for rs-release-0.1.7 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rs-release/0.1.7/Cargo.toml
[INFO] started frobbing rs-release-0.1.7
[INFO] finished frobbing rs-release-0.1.7
[INFO] frobbed toml for rs-release-0.1.7 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rs-release/0.1.7/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 rs-release-0.1.7 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs-release/0.1.7:/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] a62efdab6c04d2debddc1db7f44b48b095bfcc724e7f660dd5f4df3652fb6b21
[INFO] running `"docker" "start" "-a" "a62efdab6c04d2debddc1db7f44b48b095bfcc724e7f660dd5f4df3652fb6b21"`
[INFO] [stderr]    Compiling rs-release v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn cause(&self) -> Option<&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 0.58s
[INFO] running `"docker" "inspect" "a62efdab6c04d2debddc1db7f44b48b095bfcc724e7f660dd5f4df3652fb6b21"`
[INFO] running `"docker" "rm" "-f" "a62efdab6c04d2debddc1db7f44b48b095bfcc724e7f660dd5f4df3652fb6b21"`
[INFO] [stdout] a62efdab6c04d2debddc1db7f44b48b095bfcc724e7f660dd5f4df3652fb6b21
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs-release/0.1.7:/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] d4dd8653ec44bed27e26b425f93207d6f2145e007be4602afec867d10b20f19e
[INFO] running `"docker" "start" "-a" "d4dd8653ec44bed27e26b425f93207d6f2145e007be4602afec867d10b20f19e"`
[INFO] [stderr]    Compiling rs-release v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:90:32
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn cause(&self) -> Option<&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 1.15s
[INFO] running `"docker" "inspect" "d4dd8653ec44bed27e26b425f93207d6f2145e007be4602afec867d10b20f19e"`
[INFO] running `"docker" "rm" "-f" "d4dd8653ec44bed27e26b425f93207d6f2145e007be4602afec867d10b20f19e"`
[INFO] [stdout] d4dd8653ec44bed27e26b425f93207d6f2145e007be4602afec867d10b20f19e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rs-release/0.1.7:/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] e99f086cd7c158d5560b8a8a23c2fe63200483d1f5ac30a195d244481b19277e
[INFO] running `"docker" "start" "-a" "e99f086cd7c158d5560b8a8a23c2fe63200483d1f5ac30a195d244481b19277e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rs_release-8f52eaf671dcb9fe
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_os_release-0b0e435c070ec67e
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test trims_whitespace ... ok
[INFO] [stdout] test trims_quotes ... ok
[INFO] [stdout] test parses_ok ... ok
[INFO] [stdout] test parses_from_str ... ok
[INFO] [stdout] test ignores_comments ... ok
[INFO] [stdout] test fails_on_parse_errors ... ok
[INFO] [stderr]    Doc-tests rs-release
[INFO] [stdout] test fails_on_io_errors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... 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" "e99f086cd7c158d5560b8a8a23c2fe63200483d1f5ac30a195d244481b19277e"`
[INFO] running `"docker" "rm" "-f" "e99f086cd7c158d5560b8a8a23c2fe63200483d1f5ac30a195d244481b19277e"`
[INFO] [stdout] e99f086cd7c158d5560b8a8a23c2fe63200483d1f5ac30a195d244481b19277e