Dec 15 09:08:36.724 INFO testing hashcons-0.1.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 09:08:36.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:08:37.024 INFO [stdout] 14e524ee99662a60c9e49b8f4a42f09f1330fcfabedac8876851ad80d04c7524
Dec 15 09:08:37.086 INFO running `"docker" "start" "-a" "14e524ee99662a60c9e49b8f4a42f09f1330fcfabedac8876851ad80d04c7524"`
Dec 15 09:08:37.587 INFO [stderr] usermod: no changes
Dec 15 09:08:37.635 INFO [stderr]    Compiling hashcons v0.1.1 (/source)
Dec 15 09:08:38.437 INFO [stderr] warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 15 09:08:38.497 INFO [stderr]  --> src/lib.rs:1:12
Dec 15 09:08:38.497 INFO [stderr]   |
Dec 15 09:08:38.497 INFO [stderr] 1 | #![feature(rc_downcast)]
Dec 15 09:08:38.497 INFO [stderr]   |            ^^^^^^^^^^^
Dec 15 09:08:38.497 INFO [stderr]   |
Dec 15 09:08:38.497 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 15 09:08:38.497 INFO [stderr] 
Dec 15 09:08:38.662 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
Dec 15 09:08:38.662 INFO [stderr] su: No module specific data is present
Dec 15 09:08:38.969 INFO running `"docker" "inspect" "14e524ee99662a60c9e49b8f4a42f09f1330fcfabedac8876851ad80d04c7524"`
Dec 15 09:08:39.080 INFO running `"docker" "rm" "-f" "14e524ee99662a60c9e49b8f4a42f09f1330fcfabedac8876851ad80d04c7524"`
Dec 15 09:08:39.245 INFO [stdout] 14e524ee99662a60c9e49b8f4a42f09f1330fcfabedac8876851ad80d04c7524
Dec 15 09:08:39.247 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:08:39.447 INFO [stdout] 2d9e422d832c828889b9e19cc9fbf2a47c69d43362175722cbd1a22f4701806c
Dec 15 09:08:39.453 INFO running `"docker" "start" "-a" "2d9e422d832c828889b9e19cc9fbf2a47c69d43362175722cbd1a22f4701806c"`
Dec 15 09:08:40.123 INFO [stderr] usermod: no changes
Dec 15 09:08:40.171 INFO [stderr]    Compiling hashcons v0.1.1 (/source)
Dec 15 09:08:41.075 INFO [stderr] warning: the feature `rc_downcast` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 15 09:08:41.075 INFO [stderr]  --> src/lib.rs:1:12
Dec 15 09:08:41.075 INFO [stderr]   |
Dec 15 09:08:41.075 INFO [stderr] 1 | #![feature(rc_downcast)]
Dec 15 09:08:41.075 INFO [stderr]   |            ^^^^^^^^^^^
Dec 15 09:08:41.075 INFO [stderr]   |
Dec 15 09:08:41.075 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 15 09:08:41.075 INFO [stderr] 
Dec 15 09:08:42.207 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
Dec 15 09:08:42.217 INFO [stderr] su: No module specific data is present
Dec 15 09:08:43.001 INFO running `"docker" "inspect" "2d9e422d832c828889b9e19cc9fbf2a47c69d43362175722cbd1a22f4701806c"`
Dec 15 09:08:43.196 INFO running `"docker" "rm" "-f" "2d9e422d832c828889b9e19cc9fbf2a47c69d43362175722cbd1a22f4701806c"`
Dec 15 09:08:43.532 INFO [stdout] 2d9e422d832c828889b9e19cc9fbf2a47c69d43362175722cbd1a22f4701806c
Dec 15 09:08:43.540 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-2/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 09:08:43.769 INFO [stdout] 31371577e3ffc1b1909b7f8132ac3af2efde48fa75b02deab1b98e060beaac2b
Dec 15 09:08:43.777 INFO running `"docker" "start" "-a" "31371577e3ffc1b1909b7f8132ac3af2efde48fa75b02deab1b98e060beaac2b"`
Dec 15 09:08:44.201 INFO [stderr] usermod: no changes
Dec 15 09:08:44.243 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 15 09:08:44.253 INFO [stderr]      Running /target/debug/deps/hashcons-67895d6f6a3e2f10
Dec 15 09:08:44.256 INFO [stdout] 
Dec 15 09:08:44.256 INFO [stdout] running 3 tests
Dec 15 09:08:44.257 INFO [stdout] test merkle::list_example::test_elim_forms ... ok
Dec 15 09:08:44.259 INFO [stdout] test merkle::list_example::test_intro_forms ... ok
Dec 15 09:08:44.259 INFO [stdout] test merkle::list_example::test_serde ... ok
Dec 15 09:08:44.259 INFO [stdout] 
Dec 15 09:08:44.259 INFO [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:08:44.259 INFO [stdout] 
Dec 15 09:08:44.259 INFO [stderr]    Doc-tests hashcons
Dec 15 09:08:45.345 INFO [stdout] 
Dec 15 09:08:45.345 INFO [stdout] running 0 tests
Dec 15 09:08:45.345 INFO [stdout] 
Dec 15 09:08:45.345 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 09:08:45.345 INFO [stdout] 
Dec 15 09:08:45.353 INFO [stderr] su: No module specific data is present
Dec 15 09:08:46.044 INFO running `"docker" "inspect" "31371577e3ffc1b1909b7f8132ac3af2efde48fa75b02deab1b98e060beaac2b"`
Dec 15 09:08:46.276 INFO running `"docker" "rm" "-f" "31371577e3ffc1b1909b7f8132ac3af2efde48fa75b02deab1b98e060beaac2b"`
Dec 15 09:08:46.488 INFO [stdout] 31371577e3ffc1b1909b7f8132ac3af2efde48fa75b02deab1b98e060beaac2b