[INFO] crate polish 0.9.9 is already in cache
[INFO] extracting crate polish 0.9.9 into work/ex/beta-1.38-1/sources/1.37.0/reg/polish/0.9.9
[INFO] extracting crate polish 0.9.9 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polish/0.9.9
[INFO] validating manifest of polish-0.9.9 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 polish-0.9.9 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 polish-0.9.9
[INFO] finished frobbing polish-0.9.9
[INFO] frobbed toml for polish-0.9.9 written to work/ex/beta-1.38-1/sources/1.37.0/reg/polish/0.9.9/Cargo.toml
[INFO] started frobbing polish-0.9.9
[INFO] finished frobbing polish-0.9.9
[INFO] frobbed toml for polish-0.9.9 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/polish/0.9.9/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 polish-0.9.9 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/polish/0.9.9:/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] 97e5bfb8bd7b531cecf293a279e63d7495e6707662f84dc67bece8526ee351d4
[INFO] running `"docker" "start" "-a" "97e5bfb8bd7b531cecf293a279e63d7495e6707662f84dc67bece8526ee351d4"`
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling polish v0.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_case.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub exec: Box<Fn(&mut Logger) -> TestCaseStatus>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[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/test_case.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                exec: Box<Fn(&mut Logger) -> TestCaseStatus>)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `"docker" "inspect" "97e5bfb8bd7b531cecf293a279e63d7495e6707662f84dc67bece8526ee351d4"`
[INFO] running `"docker" "rm" "-f" "97e5bfb8bd7b531cecf293a279e63d7495e6707662f84dc67bece8526ee351d4"`
[INFO] [stdout] 97e5bfb8bd7b531cecf293a279e63d7495e6707662f84dc67bece8526ee351d4
[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/polish/0.9.9:/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] e2447e7c9f3211685ed760e12af8c5e9e42f20050306a9938b529e6cf817c9c4
[INFO] running `"docker" "start" "-a" "e2447e7c9f3211685ed760e12af8c5e9e42f20050306a9938b529e6cf817c9c4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling polish v0.9.9 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/test_case.rs:18:19
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub exec: Box<Fn(&mut Logger) -> TestCaseStatus>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[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/test_case.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |                exec: Box<Fn(&mut Logger) -> TestCaseStatus>)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger) -> TestCaseStatus`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "e2447e7c9f3211685ed760e12af8c5e9e42f20050306a9938b529e6cf817c9c4"`
[INFO] running `"docker" "rm" "-f" "e2447e7c9f3211685ed760e12af8c5e9e42f20050306a9938b529e6cf817c9c4"`
[INFO] [stdout] e2447e7c9f3211685ed760e12af8c5e9e42f20050306a9938b529e6cf817c9c4
[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/polish/0.9.9:/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] 50553e84096c4fb2325a0862d021a0b1e06eccadbbf453a418d77b354eedd155
[INFO] running `"docker" "start" "-a" "50553e84096c4fb2325a0862d021a0b1e06eccadbbf453a418d77b354eedd155"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/polish-7b56bcce6c3df79a
[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]    Doc-tests polish
[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" "50553e84096c4fb2325a0862d021a0b1e06eccadbbf453a418d77b354eedd155"`
[INFO] running `"docker" "rm" "-f" "50553e84096c4fb2325a0862d021a0b1e06eccadbbf453a418d77b354eedd155"`
[INFO] [stdout] 50553e84096c4fb2325a0862d021a0b1e06eccadbbf453a418d77b354eedd155