[INFO] crate light_arena 1.0.1 is already in cache
[INFO] extracting crate light_arena 1.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/light_arena/1.0.1
[INFO] extracting crate light_arena 1.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/light_arena/1.0.1
[INFO] validating manifest of light_arena-1.0.1 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 light_arena-1.0.1 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 light_arena-1.0.1
[INFO] finished frobbing light_arena-1.0.1
[INFO] frobbed toml for light_arena-1.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/light_arena/1.0.1/Cargo.toml
[INFO] started frobbing light_arena-1.0.1
[INFO] finished frobbing light_arena-1.0.1
[INFO] frobbed toml for light_arena-1.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/light_arena/1.0.1/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 light_arena-1.0.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_arena/1.0.1:/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] c8c372b66e5292309a06597269a777b33cd64a75498778684356f2d242c85dcf
[INFO] running `"docker" "start" "-a" "c8c372b66e5292309a06597269a777b33cd64a75498778684356f2d242c85dcf"`
[INFO] [stderr]    Compiling light_arena v1.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "c8c372b66e5292309a06597269a777b33cd64a75498778684356f2d242c85dcf"`
[INFO] running `"docker" "rm" "-f" "c8c372b66e5292309a06597269a777b33cd64a75498778684356f2d242c85dcf"`
[INFO] [stdout] c8c372b66e5292309a06597269a777b33cd64a75498778684356f2d242c85dcf
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_arena/1.0.1:/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] 9cf3e5028aa8a232a3a7f5ec6c8dff92f09266efe2168c861b838c05513a4224
[INFO] running `"docker" "start" "-a" "9cf3e5028aa8a232a3a7f5ec6c8dff92f09266efe2168c861b838c05513a4224"`
[INFO] [stderr]    Compiling light_arena v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:181:15
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let add: &Eval = allocator.alloc(Add(4));
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[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]    --> tests/lib.rs:182:15
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let sub: &Eval = allocator.alloc(Subtract { x: 2 });
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:183:15
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let shl: &Eval = allocator.alloc(ShiftLeft);
[INFO] [stderr]     |               ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/lib.rs:184:17
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let clamp: &Eval = allocator.alloc(Clamp::new(-2, 3));
[INFO] [stderr]     |                 ^^^^ help: use `dyn`: `dyn Eval`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "9cf3e5028aa8a232a3a7f5ec6c8dff92f09266efe2168c861b838c05513a4224"`
[INFO] running `"docker" "rm" "-f" "9cf3e5028aa8a232a3a7f5ec6c8dff92f09266efe2168c861b838c05513a4224"`
[INFO] [stdout] 9cf3e5028aa8a232a3a7f5ec6c8dff92f09266efe2168c861b838c05513a4224
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/light_arena/1.0.1:/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] 458b95f554aa5bd9d0055ca16acb1716ec922765d4ac3283932b5f66f860eca6
[INFO] running `"docker" "start" "-a" "458b95f554aa5bd9d0055ca16acb1716ec922765d4ac3283932b5f66f860eca6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/light_arena-f3fef015da22f4b3
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::aligner ... ok
[INFO] [stdout] test tests::block ... ok
[INFO] [stdout] test tests::memory_arena ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-fecefa6bc62c4e4f
[INFO] [stdout] running 6 tests
[INFO] [stdout] test trait_objects ... ok
[INFO] [stdout] test placement_alloc ... ok
[INFO] [stdout] test fat_align_struct ... ok
[INFO] [stdout] test dynamic_slice ... ok
[INFO] [stdout] test buffer_reuse ... ok
[INFO] [stdout] test basic_usage ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests light_arena
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 28) ... 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" "458b95f554aa5bd9d0055ca16acb1716ec922765d4ac3283932b5f66f860eca6"`
[INFO] running `"docker" "rm" "-f" "458b95f554aa5bd9d0055ca16acb1716ec922765d4ac3283932b5f66f860eca6"`
[INFO] [stdout] 458b95f554aa5bd9d0055ca16acb1716ec922765d4ac3283932b5f66f860eca6