[INFO] crate thunky 0.9.0 is already in cache
[INFO] extracting crate thunky 0.9.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/thunky/0.9.0
[INFO] extracting crate thunky 0.9.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thunky/0.9.0
[INFO] validating manifest of thunky-0.9.0 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 thunky-0.9.0 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 thunky-0.9.0
[INFO] finished frobbing thunky-0.9.0
[INFO] frobbed toml for thunky-0.9.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/thunky/0.9.0/Cargo.toml
[INFO] started frobbing thunky-0.9.0
[INFO] finished frobbing thunky-0.9.0
[INFO] frobbed toml for thunky-0.9.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thunky/0.9.0/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 thunky-0.9.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thunky/0.9.0:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3cd335d8afecb03d4c3d37d4007a291c7be59126ee49dc389ed4309eb1b15ed5
[INFO] running `"docker" "start" "-a" "3cd335d8afecb03d4c3d37d4007a291c7be59126ee49dc389ed4309eb1b15ed5"`
[INFO] [stderr]    Compiling thunky v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Cb<T, E> = Box<Fn(&Result<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Result<T, E>) -> () + Send + Sync`
[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/lib.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | type RunCb<T, E> = Box<Fn(&Thunky<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Thunky<T, E>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |   state: Mutex<Option<Box<State<T, E> + Send + Sync>>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn State<T, E> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "3cd335d8afecb03d4c3d37d4007a291c7be59126ee49dc389ed4309eb1b15ed5"`
[INFO] running `"docker" "rm" "-f" "3cd335d8afecb03d4c3d37d4007a291c7be59126ee49dc389ed4309eb1b15ed5"`
[INFO] [stdout] 3cd335d8afecb03d4c3d37d4007a291c7be59126ee49dc389ed4309eb1b15ed5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thunky/0.9.0:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9380b5402c4cdaf0fff356cbd9cc1c0c92c92682bb7bd7ab90160a86d3ee423c
[INFO] running `"docker" "start" "-a" "9380b5402c4cdaf0fff356cbd9cc1c0c92c92682bb7bd7ab90160a86d3ee423c"`
[INFO] [stderr]    Compiling thunky v0.9.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | type Cb<T, E> = Box<Fn(&Result<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Result<T, E>) -> () + Send + Sync`
[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/lib.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | type RunCb<T, E> = Box<Fn(&Thunky<T, E>) -> () + Send + Sync>;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Thunky<T, E>) -> () + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 |   state: Mutex<Option<Box<State<T, E> + Send + Sync>>>,
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn State<T, E> + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "9380b5402c4cdaf0fff356cbd9cc1c0c92c92682bb7bd7ab90160a86d3ee423c"`
[INFO] running `"docker" "rm" "-f" "9380b5402c4cdaf0fff356cbd9cc1c0c92c92682bb7bd7ab90160a86d3ee423c"`
[INFO] [stdout] 9380b5402c4cdaf0fff356cbd9cc1c0c92c92682bb7bd7ab90160a86d3ee423c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/thunky/0.9.0:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 960eed52bbca19ef7eead877db899563191c0573a85dfbfeada50d4c393df3a7
[INFO] running `"docker" "start" "-a" "960eed52bbca19ef7eead877db899563191c0573a85dfbfeada50d4c393df3a7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/thunky-3cee27b4bdf25e4d
[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 thunky
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Thunky<T, E>::new (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Thunky<T, E>::cache (line 61) ... ok
[INFO] [stdout] test src/lib.rs - Thunky<T, E>::run (line 141) ... 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" "960eed52bbca19ef7eead877db899563191c0573a85dfbfeada50d4c393df3a7"`
[INFO] running `"docker" "rm" "-f" "960eed52bbca19ef7eead877db899563191c0573a85dfbfeada50d4c393df3a7"`
[INFO] [stdout] 960eed52bbca19ef7eead877db899563191c0573a85dfbfeada50d4c393df3a7