Nov 30 13:53:20.795 INFO checking treeflection_derive-0.3.2 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 13:53:20.795 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 30 13:53:21.046 INFO [stdout] 1cbe5465a66d13053a654350357c65e4004d79fc81a88a284cb1604878c841ed
Nov 30 13:53:21.046 INFO running `"docker" "start" "-a" "1cbe5465a66d13053a654350357c65e4004d79fc81a88a284cb1604878c841ed"`
Nov 30 13:53:21.860 INFO [stderr] usermod: no changes
Nov 30 13:53:21.948 INFO [stderr]    Compiling proc-macro2 v0.4.24
Nov 30 13:53:27.844 INFO [stderr]     Checking quote v0.6.10
Nov 30 13:53:33.438 INFO [stderr]     Checking syn v0.15.22
Nov 30 13:53:41.168 INFO [stderr]     Checking treeflection_derive v0.3.2 (/source)
Nov 30 13:53:47.281 INFO [stderr]    Compiling serde_derive v1.0.80
Nov 30 13:54:05.097 INFO [stderr]     Checking treeflection v0.1.31
Nov 30 13:54:11.916 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.04s
Nov 30 13:54:11.921 INFO [stderr] su: No module specific data is present
Nov 30 13:54:12.266 INFO running `"docker" "inspect" "1cbe5465a66d13053a654350357c65e4004d79fc81a88a284cb1604878c841ed"`
Nov 30 13:54:12.338 INFO running `"docker" "rm" "-f" "1cbe5465a66d13053a654350357c65e4004d79fc81a88a284cb1604878c841ed"`
Nov 30 13:54:12.429 INFO [stdout] 1cbe5465a66d13053a654350357c65e4004d79fc81a88a284cb1604878c841ed