Nov 29 17:38:19.880 INFO checking stallmanifold/rtfm against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 29 17:38:19.880 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 17:38:20.138 INFO [stdout] a4a80c20daf7a73363faa364b9e471af12a4c4be1ca74859ae00c24d77efbf74
Nov 29 17:38:20.141 INFO running `"docker" "start" "-a" "a4a80c20daf7a73363faa364b9e471af12a4c4be1ca74859ae00c24d77efbf74"`
Nov 29 17:38:20.993 INFO [stderr] usermod: no changes
Nov 29 17:38:21.158 INFO [stderr]     Checking rand_isaac v0.1.0
Nov 29 17:38:21.159 INFO [stderr]    Compiling rand v0.6.0
Nov 29 17:38:21.159 INFO [stderr]    Compiling syn v0.15.21
Nov 29 17:38:34.680 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 29 17:38:48.832 INFO [stderr]     Checking rtfm v1.1.0 (/source)
Nov 29 17:38:49.480 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.44s
Nov 29 17:38:49.484 INFO [stderr] su: No module specific data is present
Nov 29 17:38:50.094 INFO running `"docker" "inspect" "a4a80c20daf7a73363faa364b9e471af12a4c4be1ca74859ae00c24d77efbf74"`
Nov 29 17:38:50.362 INFO running `"docker" "rm" "-f" "a4a80c20daf7a73363faa364b9e471af12a4c4be1ca74859ae00c24d77efbf74"`
Nov 29 17:38:50.607 INFO [stdout] a4a80c20daf7a73363faa364b9e471af12a4c4be1ca74859ae00c24d77efbf74