[INFO] updating cached repository parrottq/tworld
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/parrottq/tworld
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/parrottq/tworld" "work/ex/beta-1.38-1/sources/1.37.0/gh/parrottq/tworld"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/parrottq/tworld'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/parrottq/tworld" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parrottq/tworld"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parrottq/tworld'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adf9f959c37573b18914e8885e1fdaf9e655017e
[INFO] sha for GitHub repo parrottq/tworld: adf9f959c37573b18914e8885e1fdaf9e655017e
[INFO] validating manifest of parrottq/tworld 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 parrottq/tworld 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 parrottq/tworld
[INFO] finished frobbing parrottq/tworld
[INFO] frobbed toml for parrottq/tworld written to work/ex/beta-1.38-1/sources/1.37.0/gh/parrottq/tworld/Cargo.toml
[INFO] started frobbing parrottq/tworld
[INFO] finished frobbing parrottq/tworld
[INFO] frobbed toml for parrottq/tworld written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/parrottq/tworld/Cargo.toml
[INFO] crate parrottq/tworld already has a lockfile, it will not be regenerated
[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 parrottq/tworld 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/gh/parrottq/tworld:/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] f8edae0ddf6aacacf1d8083389272743cdbf4c46f7fa20cdbdb63ba3b0bb33cd
[INFO] running `"docker" "start" "-a" "f8edae0ddf6aacacf1d8083389272743cdbf4c46f7fa20cdbdb63ba3b0bb33cd"`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling tworld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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/parsing.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.11s
[INFO] running `"docker" "inspect" "f8edae0ddf6aacacf1d8083389272743cdbf4c46f7fa20cdbdb63ba3b0bb33cd"`
[INFO] running `"docker" "rm" "-f" "f8edae0ddf6aacacf1d8083389272743cdbf4c46f7fa20cdbdb63ba3b0bb33cd"`
[INFO] [stdout] f8edae0ddf6aacacf1d8083389272743cdbf4c46f7fa20cdbdb63ba3b0bb33cd
[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/gh/parrottq/tworld:/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] 0dae068421e5f412bf3d0aa811ccdb3cbcd10a4a06e8aefc7772fe7f58936d6d
[INFO] running `"docker" "start" "-a" "0dae068421e5f412bf3d0aa811ccdb3cbcd10a4a06e8aefc7772fe7f58936d6d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tworld v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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/parsing.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `"docker" "inspect" "0dae068421e5f412bf3d0aa811ccdb3cbcd10a4a06e8aefc7772fe7f58936d6d"`
[INFO] running `"docker" "rm" "-f" "0dae068421e5f412bf3d0aa811ccdb3cbcd10a4a06e8aefc7772fe7f58936d6d"`
[INFO] [stdout] 0dae068421e5f412bf3d0aa811ccdb3cbcd10a4a06e8aefc7772fe7f58936d6d
[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/gh/parrottq/tworld:/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] d0cacf316d418d0a5af88382f397cb2ce2a9aa484e29edabcc0749556c25da74
[INFO] running `"docker" "start" "-a" "d0cacf316d418d0a5af88382f397cb2ce2a9aa484e29edabcc0749556c25da74"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tworld-536f0eaaf12bad66
[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" "d0cacf316d418d0a5af88382f397cb2ce2a9aa484e29edabcc0749556c25da74"`
[INFO] running `"docker" "rm" "-f" "d0cacf316d418d0a5af88382f397cb2ce2a9aa484e29edabcc0749556c25da74"`
[INFO] [stdout] d0cacf316d418d0a5af88382f397cb2ce2a9aa484e29edabcc0749556c25da74