[INFO] crate tramp 0.3.0 is already in cache
[INFO] extracting crate tramp 0.3.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tramp/0.3.0
[INFO] extracting crate tramp 0.3.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tramp/0.3.0
[INFO] validating manifest of tramp-0.3.0 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 tramp-0.3.0 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 tramp-0.3.0
[INFO] finished frobbing tramp-0.3.0
[INFO] frobbed toml for tramp-0.3.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tramp/0.3.0/Cargo.toml
[INFO] started frobbing tramp-0.3.0
[INFO] finished frobbing tramp-0.3.0
[INFO] frobbed toml for tramp-0.3.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tramp/0.3.0/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 tramp-0.3.0 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tramp/0.3.0:/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] 0781fcf415ad3cef6c66916cb37028f0bc1f57df70817a9bb5790834d09f606c
[INFO] running `"docker" "start" "-a" "0781fcf415ad3cef6c66916cb37028f0bc1f57df70817a9bb5790834d09f606c"`
[INFO] [stderr]    Compiling tramp v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fun: Box<FnThunk<Out = T> + 'a>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnThunk<Out = T> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "0781fcf415ad3cef6c66916cb37028f0bc1f57df70817a9bb5790834d09f606c"`
[INFO] running `"docker" "rm" "-f" "0781fcf415ad3cef6c66916cb37028f0bc1f57df70817a9bb5790834d09f606c"`
[INFO] [stdout] 0781fcf415ad3cef6c66916cb37028f0bc1f57df70817a9bb5790834d09f606c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tramp/0.3.0:/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] 5bd0033e980f9ae187d60794347bf8dd75c4368d9fd451351bcdf226dfcc8663
[INFO] running `"docker" "start" "-a" "5bd0033e980f9ae187d60794347bf8dd75c4368d9fd451351bcdf226dfcc8663"`
[INFO] [stderr]    Compiling tramp v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:114:14
[INFO] [stderr]     |
[INFO] [stderr] 114 |     fun: Box<FnThunk<Out = T> + 'a>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnThunk<Out = T> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `"docker" "inspect" "5bd0033e980f9ae187d60794347bf8dd75c4368d9fd451351bcdf226dfcc8663"`
[INFO] running `"docker" "rm" "-f" "5bd0033e980f9ae187d60794347bf8dd75c4368d9fd451351bcdf226dfcc8663"`
[INFO] [stdout] 5bd0033e980f9ae187d60794347bf8dd75c4368d9fd451351bcdf226dfcc8663
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/tramp/0.3.0:/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] 442ba9abca88f46bb76ca76098a22e15870dedcfcff7f3cfdd2bf3e89945bcf7
[INFO] running `"docker" "start" "-a" "442ba9abca88f46bb76ca76098a22e15870dedcfcff7f3cfdd2bf3e89945bcf7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tramp-7e93476bf2a2f319
[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] [stderr]      Running /opt/crater/target/debug/deps/mutual-a1351553e62bcb3b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_oddness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tramp
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs -  (line 44) ... ok
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] test src/lib.rs -  (line 68) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "442ba9abca88f46bb76ca76098a22e15870dedcfcff7f3cfdd2bf3e89945bcf7"`
[INFO] running `"docker" "rm" "-f" "442ba9abca88f46bb76ca76098a22e15870dedcfcff7f3cfdd2bf3e89945bcf7"`
[INFO] [stdout] 442ba9abca88f46bb76ca76098a22e15870dedcfcff7f3cfdd2bf3e89945bcf7