Nov 29 20:21:44.873 INFO checking pombase/pombase_rc_string against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 20:21:44.873 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-2/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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 29 20:21:45.284 INFO [stdout] 2619b7c5bf91352933ac63c7d7fc9920bd6696388e5287c5e29bd43d3dfd9b6b
Nov 29 20:21:45.290 INFO running `"docker" "start" "-a" "2619b7c5bf91352933ac63c7d7fc9920bd6696388e5287c5e29bd43d3dfd9b6b"`
Nov 29 20:21:46.431 INFO [stderr] usermod: no changes
Nov 29 20:21:46.568 INFO [stderr]     Checking weak-table v0.2.3
Nov 29 20:21:46.580 INFO [stderr]    Compiling syn v0.14.9
Nov 29 20:21:57.908 INFO [stderr]    Compiling serde_derive v1.0.75
Nov 29 20:22:11.808 INFO [stderr]     Checking pombase_rc_string v0.1.0 (/source)
Nov 29 20:22:13.738 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.26s
Nov 29 20:22:13.750 INFO [stderr] su: No module specific data is present
Nov 29 20:22:14.875 INFO running `"docker" "inspect" "2619b7c5bf91352933ac63c7d7fc9920bd6696388e5287c5e29bd43d3dfd9b6b"`
Nov 29 20:22:15.216 INFO running `"docker" "rm" "-f" "2619b7c5bf91352933ac63c7d7fc9920bd6696388e5287c5e29bd43d3dfd9b6b"`
Nov 29 20:22:15.564 INFO [stdout] 2619b7c5bf91352933ac63c7d7fc9920bd6696388e5287c5e29bd43d3dfd9b6b