Dec 05 05:12:16.680 INFO checking trackable-0.2.20 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 05:12:16.680 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 05:12:17.165 INFO [stdout] 8c2c12159b0db530de89cad24fc3fc236f1800ecb28925d99726c6a4fd9cbb4b
Dec 05 05:12:17.168 INFO running `"docker" "start" "-a" "8c2c12159b0db530de89cad24fc3fc236f1800ecb28925d99726c6a4fd9cbb4b"`
Dec 05 05:12:19.563 INFO [stderr] usermod: no changes
Dec 05 05:12:19.687 INFO [stderr]    Compiling proc-macro2 v0.4.24
Dec 05 05:12:23.287 INFO [stderr]    Compiling quote v0.6.10
Dec 05 05:12:24.379 INFO [stderr]    Compiling syn v0.15.22
Dec 05 05:12:33.291 INFO [stderr]    Compiling trackable_derive v0.1.1
Dec 05 05:12:35.355 INFO [stderr]     Checking trackable v0.2.20 (/source)
Dec 05 05:12:37.115 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.52s
Dec 05 05:12:37.123 INFO [stderr] su: No module specific data is present
Dec 05 05:12:37.983 INFO running `"docker" "inspect" "8c2c12159b0db530de89cad24fc3fc236f1800ecb28925d99726c6a4fd9cbb4b"`
Dec 05 05:12:38.285 INFO running `"docker" "rm" "-f" "8c2c12159b0db530de89cad24fc3fc236f1800ecb28925d99726c6a4fd9cbb4b"`
Dec 05 05:12:38.735 INFO [stdout] 8c2c12159b0db530de89cad24fc3fc236f1800ecb28925d99726c6a4fd9cbb4b