Dec 18 02:07:27.909 INFO checking crazymerlyn/rlox against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 02:07:27.909 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-2/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/crazymerlyn/rlox:/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 18 02:07:28.360 INFO [stdout] 7c3d8072df23983484289c148f3a6e218858ac97d5fc1d01e3a6fedc6563cba4
Dec 18 02:07:28.368 INFO running `"docker" "start" "-a" "7c3d8072df23983484289c148f3a6e218858ac97d5fc1d01e3a6fedc6563cba4"`
Dec 18 02:07:30.232 INFO [stderr]     Checking backtrace-sys v0.1.12
Dec 18 02:07:30.560 INFO [stderr]     Checking backtrace v0.3.2
Dec 18 02:07:31.082 INFO [stderr]     Checking error-chain v0.11.0-rc.2
Dec 18 02:07:31.635 INFO [stderr]     Checking rlox v0.1.0 (/opt/crater/workdir)
Dec 18 02:07:32.488 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 02:07:32.488 INFO [stderr]   --> src/errors.rs:5:1
Dec 18 02:07:32.488 INFO [stderr]    |
Dec 18 02:07:32.488 INFO [stderr] 5  | / error_chain! {
Dec 18 02:07:32.488 INFO [stderr] 6  | |     errors {
Dec 18 02:07:32.488 INFO [stderr] 7  | |         ScanError(line: usize, t: String) {
Dec 18 02:07:32.488 INFO [stderr] 8  | |             description("Invalid syntax")
Dec 18 02:07:32.488 INFO [stderr] ...  |
Dec 18 02:07:32.488 INFO [stderr] 22 | |     }
Dec 18 02:07:32.488 INFO [stderr] 23 | | }
Dec 18 02:07:32.488 INFO [stderr]    | |_^
Dec 18 02:07:32.488 INFO [stderr]    |
Dec 18 02:07:32.488 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 02:07:32.488 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 02:07:32.488 INFO [stderr] 
Dec 18 02:07:32.592 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 02:07:32.592 INFO [stderr]   --> src/errors.rs:5:1
Dec 18 02:07:32.592 INFO [stderr]    |
Dec 18 02:07:32.592 INFO [stderr] 5  | / error_chain! {
Dec 18 02:07:32.592 INFO [stderr] 6  | |     errors {
Dec 18 02:07:32.592 INFO [stderr] 7  | |         ScanError(line: usize, t: String) {
Dec 18 02:07:32.592 INFO [stderr] 8  | |             description("Invalid syntax")
Dec 18 02:07:32.592 INFO [stderr] ...  |
Dec 18 02:07:32.592 INFO [stderr] 22 | |     }
Dec 18 02:07:32.592 INFO [stderr] 23 | | }
Dec 18 02:07:32.592 INFO [stderr]    | |_^
Dec 18 02:07:32.592 INFO [stderr]    |
Dec 18 02:07:32.592 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 02:07:32.592 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 02:07:32.592 INFO [stderr] 
Dec 18 02:07:33.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.92s
Dec 18 02:07:34.255 INFO running `"docker" "inspect" "7c3d8072df23983484289c148f3a6e218858ac97d5fc1d01e3a6fedc6563cba4"`
Dec 18 02:07:34.584 INFO running `"docker" "rm" "-f" "7c3d8072df23983484289c148f3a6e218858ac97d5fc1d01e3a6fedc6563cba4"`
Dec 18 02:07:34.942 INFO [stdout] 7c3d8072df23983484289c148f3a6e218858ac97d5fc1d01e3a6fedc6563cba4