Dec 15 19:23:46.264 INFO testing chalk-engine-0.8.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 19:23:46.264 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 19:23:46.787 INFO [stdout] 73887a0e8b835b1316f7624c5b4fc6a3bb17bc2c25b813a693620e46853607f6
Dec 15 19:23:46.789 INFO running `"docker" "start" "-a" "73887a0e8b835b1316f7624c5b4fc6a3bb17bc2c25b813a693620e46853607f6"`
Dec 15 19:23:47.869 INFO [stderr] usermod: no changes
Dec 15 19:23:47.942 INFO [stderr]    Compiling stacker v0.1.4
Dec 15 19:23:47.942 INFO [stderr]    Compiling chalk-macros v0.1.0
Dec 15 19:23:50.497 INFO [stderr]    Compiling chalk-engine v0.8.1 (/source)
Dec 15 19:23:54.179 INFO [stderr] warning: the feature `non_modrs_mods` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 15 19:23:54.179 INFO [stderr]   --> src/lib.rs:54:12
Dec 15 19:23:54.179 INFO [stderr]    |
Dec 15 19:23:54.180 INFO [stderr] 54 | #![feature(non_modrs_mods)]
Dec 15 19:23:54.180 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 15 19:23:54.180 INFO [stderr]    |
Dec 15 19:23:54.180 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 15 19:23:54.180 INFO [stderr] 
Dec 15 19:23:54.626 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.73s
Dec 15 19:23:54.635 INFO [stderr] su: No module specific data is present
Dec 15 19:23:55.699 INFO running `"docker" "inspect" "73887a0e8b835b1316f7624c5b4fc6a3bb17bc2c25b813a693620e46853607f6"`
Dec 15 19:23:55.945 INFO running `"docker" "rm" "-f" "73887a0e8b835b1316f7624c5b4fc6a3bb17bc2c25b813a693620e46853607f6"`
Dec 15 19:23:56.215 INFO [stdout] 73887a0e8b835b1316f7624c5b4fc6a3bb17bc2c25b813a693620e46853607f6
Dec 15 19:23:56.223 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 19:23:56.626 INFO [stdout] 5919218ab80de2df75326edd6da9dacdc5f85dd22a975923c3ebd35cc12b3a1c
Dec 15 19:23:56.629 INFO running `"docker" "start" "-a" "5919218ab80de2df75326edd6da9dacdc5f85dd22a975923c3ebd35cc12b3a1c"`
Dec 15 19:23:57.744 INFO [stderr] usermod: no changes
Dec 15 19:23:57.824 INFO [stderr]    Compiling chalk-engine v0.8.1 (/source)
Dec 15 19:24:01.643 INFO [stderr] warning: the feature `non_modrs_mods` has been stable since 1.30.0 and no longer requires an attribute to enable
Dec 15 19:24:01.643 INFO [stderr]   --> src/lib.rs:54:12
Dec 15 19:24:01.643 INFO [stderr]    |
Dec 15 19:24:01.643 INFO [stderr] 54 | #![feature(non_modrs_mods)]
Dec 15 19:24:01.643 INFO [stderr]    |            ^^^^^^^^^^^^^^
Dec 15 19:24:01.643 INFO [stderr]    |
Dec 15 19:24:01.643 INFO [stderr]    = note: #[warn(stable_features)] on by default
Dec 15 19:24:01.643 INFO [stderr] 
Dec 15 19:24:02.057 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.27s
Dec 15 19:24:02.061 INFO [stderr] su: No module specific data is present
Dec 15 19:24:02.719 INFO running `"docker" "inspect" "5919218ab80de2df75326edd6da9dacdc5f85dd22a975923c3ebd35cc12b3a1c"`
Dec 15 19:24:02.943 INFO running `"docker" "rm" "-f" "5919218ab80de2df75326edd6da9dacdc5f85dd22a975923c3ebd35cc12b3a1c"`
Dec 15 19:24:03.096 INFO [stdout] 5919218ab80de2df75326edd6da9dacdc5f85dd22a975923c3ebd35cc12b3a1c
Dec 15 19:24:03.101 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 15 19:24:03.399 INFO [stdout] 6c67435eacfe5dd347de3d34ecf3fb0824ce4456223cce6d43ce7e718772d83a
Dec 15 19:24:03.401 INFO running `"docker" "start" "-a" "6c67435eacfe5dd347de3d34ecf3fb0824ce4456223cce6d43ce7e718772d83a"`
Dec 15 19:24:03.788 INFO [stderr] usermod: no changes
Dec 15 19:24:03.828 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 19:24:03.829 INFO [stderr]      Running /target/debug/deps/chalk_engine-23d13ed31922463c
Dec 15 19:24:03.831 INFO [stdout] 
Dec 15 19:24:03.831 INFO [stdout] running 0 tests
Dec 15 19:24:03.831 INFO [stdout] 
Dec 15 19:24:03.831 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 19:24:03.831 INFO [stdout] 
Dec 15 19:24:03.831 INFO [stderr]    Doc-tests chalk-engine
Dec 15 19:24:05.134 INFO [stdout] 
Dec 15 19:24:05.134 INFO [stdout] running 2 tests
Dec 15 19:24:06.243 INFO [stdout] test src/lib.rs - Minimums (line 207) ... ok
Dec 15 19:24:06.245 INFO [stdout] test src/forest.rs - forest::Forest<C, CO>::top_of_stack_is_coinductive_from (line 90) ... ok
Dec 15 19:24:06.245 INFO [stdout] 
Dec 15 19:24:06.245 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 19:24:06.245 INFO [stdout] 
Dec 15 19:24:06.264 INFO [stderr] su: No module specific data is present
Dec 15 19:24:06.624 INFO running `"docker" "inspect" "6c67435eacfe5dd347de3d34ecf3fb0824ce4456223cce6d43ce7e718772d83a"`
Dec 15 19:24:06.711 INFO running `"docker" "rm" "-f" "6c67435eacfe5dd347de3d34ecf3fb0824ce4456223cce6d43ce7e718772d83a"`
Dec 15 19:24:06.792 INFO [stdout] 6c67435eacfe5dd347de3d34ecf3fb0824ce4456223cce6d43ce7e718772d83a