[INFO] crate namable_closures 0.2.4 is already in cache
[INFO] extracting crate namable_closures 0.2.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/namable_closures/0.2.4
[INFO] extracting crate namable_closures 0.2.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/namable_closures/0.2.4
[INFO] validating manifest of namable_closures-0.2.4 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 namable_closures-0.2.4 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 namable_closures-0.2.4
[INFO] finished frobbing namable_closures-0.2.4
[INFO] frobbed toml for namable_closures-0.2.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/namable_closures/0.2.4/Cargo.toml
[INFO] started frobbing namable_closures-0.2.4
[INFO] finished frobbing namable_closures-0.2.4
[INFO] frobbed toml for namable_closures-0.2.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/namable_closures/0.2.4/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 namable_closures-0.2.4 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/namable_closures/0.2.4:/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] 6279e7648ca7d15cf3b6559bc40039662d0896653edf652fdb1ebb92b9718b1a
[INFO] running `"docker" "start" "-a" "6279e7648ca7d15cf3b6559bc40039662d0896653edf652fdb1ebb92b9718b1a"`
[INFO] [stderr]    Compiling namable_closures v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]   --> src/closure_rec.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     state: &'a mut State
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `"docker" "inspect" "6279e7648ca7d15cf3b6559bc40039662d0896653edf652fdb1ebb92b9718b1a"`
[INFO] running `"docker" "rm" "-f" "6279e7648ca7d15cf3b6559bc40039662d0896653edf652fdb1ebb92b9718b1a"`
[INFO] [stdout] 6279e7648ca7d15cf3b6559bc40039662d0896653edf652fdb1ebb92b9718b1a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/namable_closures/0.2.4:/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] ad1a8d2571a4f4a22e49536d4ccf8cc16d410e4e31eef7b6b13ac044d4ace264
[INFO] running `"docker" "start" "-a" "ad1a8d2571a4f4a22e49536d4ccf8cc16d410e4e31eef7b6b13ac044d4ace264"`
[INFO] [stderr]    Compiling namable_closures v0.2.4 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `ClosureMutRec`
[INFO] [stderr]    --> src/closure_rec.rs:251:34
[INFO] [stderr]     |
[INFO] [stderr] 251 |     use closure_rec::{ClosureRec,ClosureMutRec};
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `StableFnMut`
[INFO] [stderr]    --> src/closure_rec.rs:252:30
[INFO] [stderr]     |
[INFO] [stderr] 252 |     use stable_fn::{StableFn,StableFnMut};
[INFO] [stderr]     |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/closure_rec.rs:269:21
[INFO] [stderr]     |
[INFO] [stderr] 269 |                     n => me.call_with_state((i1,i0+i1), (i-1,))
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]   --> src/closure_rec.rs:58:5
[INFO] [stderr]    |
[INFO] [stderr] 58 |     state: &'a mut State
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "ad1a8d2571a4f4a22e49536d4ccf8cc16d410e4e31eef7b6b13ac044d4ace264"`
[INFO] running `"docker" "rm" "-f" "ad1a8d2571a4f4a22e49536d4ccf8cc16d410e4e31eef7b6b13ac044d4ace264"`
[INFO] [stdout] ad1a8d2571a4f4a22e49536d4ccf8cc16d410e4e31eef7b6b13ac044d4ace264
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/namable_closures/0.2.4:/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] de97db5b760be319f6400d16bbaacf9ec66ea8ef98d103526bfd24cb1954ea33
[INFO] running `"docker" "start" "-a" "de97db5b760be319f6400d16bbaacf9ec66ea8ef98d103526bfd24cb1954ea33"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/namable_closures-016fca1c4840c34e
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test closures::tests::test_closure_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_once_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_mut ... ok
[INFO] [stdout] test closures::tests::test_closure_ref_copy_clone ... ok
[INFO] [stdout] test closures::tests::test_closure_ref_mut_copy_clone ... ok
[INFO] [stdout] test closure_rec::test::test_fac ... ok
[INFO] [stdout] test closure_rec::test::test_fib ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests namable_closures
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/closures.rs - closures::Closure (line 15) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 159) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 273) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 85) ... ignored
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 214) ... ignored
[INFO] [stdout] test src/closures.rs - closures::Closure (line 19) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRef (line 90) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureRefMut (line 220) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureOnce (line 279) ... ok
[INFO] [stdout] test src/closures.rs - closures::ClosureMut (line 165) ... ok
[INFO] [stdout] test src/lib.rs - closure (line 276) ... ok
[INFO] [stdout] test src/lib.rs -  (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "de97db5b760be319f6400d16bbaacf9ec66ea8ef98d103526bfd24cb1954ea33"`
[INFO] running `"docker" "rm" "-f" "de97db5b760be319f6400d16bbaacf9ec66ea8ef98d103526bfd24cb1954ea33"`
[INFO] [stdout] de97db5b760be319f6400d16bbaacf9ec66ea8ef98d103526bfd24cb1954ea33