Dec 18 13:39:55.193 INFO checking nexus-0.0.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 13:39:55.193 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/nexus/0.0.1:/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 13:39:55.367 INFO [stdout] f0bb6b2ecd147c45e9bec3ce10e4cf316eeb0d960b6aca00fba6c99df09ebd02
Dec 18 13:39:55.370 INFO running `"docker" "start" "-a" "f0bb6b2ecd147c45e9bec3ce10e4cf316eeb0d960b6aca00fba6c99df09ebd02"`
Dec 18 13:39:56.494 INFO [stderr]     Checking nexus v0.0.1 (/opt/crater/workdir)
Dec 18 13:39:57.044 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 13:39:57.044 INFO [stderr]  --> src/reactor/mod.rs:8:5
Dec 18 13:39:57.045 INFO [stderr]   |
Dec 18 13:39:57.045 INFO [stderr] 8 | use std::error::Error;
Dec 18 13:39:57.045 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 13:39:57.045 INFO [stderr]   |
Dec 18 13:39:57.045 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:39:57.045 INFO [stderr] 
Dec 18 13:39:57.071 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:39:57.072 INFO [stderr]    --> src/reactor/mod.rs:230:9
Dec 18 13:39:57.072 INFO [stderr]     |
Dec 18 13:39:57.072 INFO [stderr] 230 |         ::std::thread::sleep_ms(60);
Dec 18 13:39:57.072 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:39:57.072 INFO [stderr]     |
Dec 18 13:39:57.072 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 13:39:57.072 INFO [stderr] 
Dec 18 13:39:57.072 INFO [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
Dec 18 13:39:57.072 INFO [stderr]    --> src/reactor/mod.rs:240:9
Dec 18 13:39:57.072 INFO [stderr]     |
Dec 18 13:39:57.072 INFO [stderr] 240 |         ::std::thread::sleep_ms(60);
Dec 18 13:39:57.072 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 13:39:57.072 INFO [stderr] 
Dec 18 13:39:57.080 INFO [stderr] warning: unused import: `std::error::Error`
Dec 18 13:39:57.081 INFO [stderr]  --> src/reactor/mod.rs:8:5
Dec 18 13:39:57.081 INFO [stderr]   |
Dec 18 13:39:57.081 INFO [stderr] 8 | use std::error::Error;
Dec 18 13:39:57.081 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 13:39:57.081 INFO [stderr]   |
Dec 18 13:39:57.081 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 13:39:57.081 INFO [stderr] 
Dec 18 13:39:57.397 INFO [stderr] warning: unused import: `Configurer`
Dec 18 13:39:57.397 INFO [stderr]    --> src/reactor/mod.rs:155:28
Dec 18 13:39:57.397 INFO [stderr]     |
Dec 18 13:39:57.397 INFO [stderr] 155 |     use reactor::{Reactor, Configurer, ReactorConfig};
Dec 18 13:39:57.397 INFO [stderr]     |                            ^^^^^^^^^^
Dec 18 13:39:57.404 INFO [stderr] 
Dec 18 13:39:57.613 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
Dec 18 13:39:58.019 INFO running `"docker" "inspect" "f0bb6b2ecd147c45e9bec3ce10e4cf316eeb0d960b6aca00fba6c99df09ebd02"`
Dec 18 13:39:58.208 INFO running `"docker" "rm" "-f" "f0bb6b2ecd147c45e9bec3ce10e4cf316eeb0d960b6aca00fba6c99df09ebd02"`
Dec 18 13:39:58.422 INFO [stdout] f0bb6b2ecd147c45e9bec3ce10e4cf316eeb0d960b6aca00fba6c99df09ebd02