Dec 17 15:33:30.217 INFO checking shelbyd/cinnamon against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 15:33:30.217 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/shelbyd/cinnamon:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 15:33:30.672 INFO [stdout] b4e33d2a1fc99654d8240d3a968a4d700c8d1330c0334b9934a197ae0ce766b8
Dec 17 15:33:30.676 INFO running `"docker" "start" "-a" "b4e33d2a1fc99654d8240d3a968a4d700c8d1330c0334b9934a197ae0ce766b8"`
Dec 17 15:33:32.304 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Dec 17 15:33:32.379 INFO [stderr]     Checking atty v0.2.6
Dec 17 15:33:32.379 INFO [stderr]     Checking memchr v1.0.2
Dec 17 15:33:32.392 INFO [stderr]     Checking backtrace-sys v0.1.24
Dec 17 15:33:32.392 INFO [stderr]    Compiling structopt-derive v0.1.6
Dec 17 15:33:32.821 INFO [stderr]     Checking backtrace v0.3.9
Dec 17 15:33:32.880 INFO [stderr]     Checking clap v2.29.0
Dec 17 15:33:32.973 INFO [stderr]     Checking nom v3.2.1
Dec 17 15:33:34.236 INFO [stderr]     Checking failure v0.1.2
Dec 17 15:33:42.921 INFO [stderr]     Checking structopt v0.1.6
Dec 17 15:33:43.176 INFO [stderr]     Checking cinnamon v0.1.0 (/opt/crater/workdir)
Dec 17 15:33:43.764 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 15:33:43.765 INFO [stderr]  --> src/main.rs:2:1
Dec 17 15:33:43.765 INFO [stderr]   |
Dec 17 15:33:43.765 INFO [stderr] 2 | #[macro_use]
Dec 17 15:33:43.766 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 15:33:43.766 INFO [stderr]   |
Dec 17 15:33:43.766 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:33:43.766 INFO [stderr] 
Dec 17 15:33:43.880 INFO [stderr] warning: unused `#[macro_use]` import
Dec 17 15:33:43.881 INFO [stderr]  --> src/main.rs:2:1
Dec 17 15:33:43.881 INFO [stderr]   |
Dec 17 15:33:43.881 INFO [stderr] 2 | #[macro_use]
Dec 17 15:33:43.882 INFO [stderr]   | ^^^^^^^^^^^^
Dec 17 15:33:43.882 INFO [stderr]   |
Dec 17 15:33:43.882 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 15:33:43.882 INFO [stderr] 
Dec 17 15:33:44.792 INFO [stderr] warning: method is never used: `no_args`
Dec 17 15:33:44.793 INFO [stderr]   --> src/ast.rs:74:5
Dec 17 15:33:44.793 INFO [stderr]    |
Dec 17 15:33:44.793 INFO [stderr] 74 |     fn no_args<S: ToString>(s: S) -> Command {
Dec 17 15:33:44.793 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 15:33:44.794 INFO [stderr]    |
Dec 17 15:33:44.794 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 17 15:33:44.794 INFO [stderr] 
Dec 17 15:33:45.349 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.07s
Dec 17 15:33:46.080 INFO running `"docker" "inspect" "b4e33d2a1fc99654d8240d3a968a4d700c8d1330c0334b9934a197ae0ce766b8"`
Dec 17 15:33:46.404 INFO running `"docker" "rm" "-f" "b4e33d2a1fc99654d8240d3a968a4d700c8d1330c0334b9934a197ae0ce766b8"`
Dec 17 15:33:46.674 INFO [stdout] b4e33d2a1fc99654d8240d3a968a4d700c8d1330c0334b9934a197ae0ce766b8