Nov 28 19:56:41.960 INFO checking rctree-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 19:56:41.960 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-5/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 28 19:56:42.511 INFO [stdout] f1b6ea599b2f1c1490baf3f59745609222b753e17b32aefbc46ad81bce41f780
Nov 28 19:56:42.511 INFO running `"docker" "start" "-a" "f1b6ea599b2f1c1490baf3f59745609222b753e17b32aefbc46ad81bce41f780"`
Nov 28 19:56:43.399 INFO [stderr] usermod: no changes
Nov 28 19:56:43.500 INFO [stderr]    Compiling proc-macro2 v0.4.24
Nov 28 19:56:43.504 INFO [stderr]     Checking rctree v0.2.1 (/source)
Nov 28 19:56:47.016 INFO [stderr]    Compiling quote v0.6.10
Nov 28 19:56:48.213 INFO [stderr]    Compiling syn v0.15.22
Nov 28 19:56:55.732 INFO [stderr]    Compiling indoc-impl v0.2.8
Nov 28 19:57:00.609 INFO [stderr]     Checking indoc v0.2.8
Nov 28 19:57:02.750 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.33s
Nov 28 19:57:02.765 INFO [stderr] su: No module specific data is present
Nov 28 19:57:03.366 INFO running `"docker" "inspect" "f1b6ea599b2f1c1490baf3f59745609222b753e17b32aefbc46ad81bce41f780"`
Nov 28 19:57:03.741 INFO running `"docker" "rm" "-f" "f1b6ea599b2f1c1490baf3f59745609222b753e17b32aefbc46ad81bce41f780"`
Nov 28 19:57:04.108 INFO [stdout] f1b6ea599b2f1c1490baf3f59745609222b753e17b32aefbc46ad81bce41f780