Dec 18 08:49:10.433 INFO checking 0x7CFE/cortex against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 08:49:10.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/0x7CFE/cortex:/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 08:49:10.952 INFO [stdout] 6898cdc8490c0e207afd7a760e1557d802dfb64b34164abadbe9f89e2543ce5c
Dec 18 08:49:10.960 INFO running `"docker" "start" "-a" "6898cdc8490c0e207afd7a760e1557d802dfb64b34164abadbe9f89e2543ce5c"`
Dec 18 08:49:12.781 INFO [stderr]     Checking sample v0.6.2
Dec 18 08:49:12.781 INFO [stderr]     Checking hound v3.1.0
Dec 18 08:49:12.782 INFO [stderr]     Checking bincode v1.0.0-alpha7
Dec 18 08:49:12.788 INFO [stderr]     Checking itertools v0.5.10
Dec 18 08:49:12.789 INFO [stderr]    Compiling syn v0.11.10
Dec 18 08:49:12.789 INFO [stderr]     Checking dft v0.5.4
Dec 18 08:49:22.502 INFO [stderr]    Compiling serde_codegen_internals v0.14.2
Dec 18 08:49:25.276 INFO [stderr]    Compiling serde_derive v0.9.14
Dec 18 08:49:32.095 INFO [stderr]     Checking cortex v0.1.0 (/opt/crater/workdir)
Dec 18 08:49:34.141 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 08:49:34.141 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:49:34.141 INFO [stderr]   |
Dec 18 08:49:34.141 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 18 08:49:34.141 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:49:34.141 INFO [stderr]   |
Dec 18 08:49:34.141 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:49:34.141 INFO [stderr] 
Dec 18 08:49:34.142 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:34.142 INFO [stderr]  --> src/main.rs:2:25
Dec 18 08:49:34.142 INFO [stderr]   |
Dec 18 08:49:34.142 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:34.142 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 18 08:49:34.142 INFO [stderr] 
Dec 18 08:49:34.142 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:34.142 INFO [stderr]  --> src/main.rs:2:12
Dec 18 08:49:34.142 INFO [stderr]   |
Dec 18 08:49:34.142 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:34.142 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 08:49:34.142 INFO [stderr] 
Dec 18 08:49:34.228 INFO [stderr] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
Dec 18 08:49:34.228 INFO [stderr]  --> src/main.rs:3:12
Dec 18 08:49:34.228 INFO [stderr]   |
Dec 18 08:49:34.228 INFO [stderr] 3 | #![feature(conservative_impl_trait)]
Dec 18 08:49:34.228 INFO [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:49:34.228 INFO [stderr]   |
Dec 18 08:49:34.228 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 18 08:49:34.228 INFO [stderr] 
Dec 18 08:49:34.228 INFO [stderr] warning: the feature `collections_bound` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:34.228 INFO [stderr]  --> src/main.rs:2:25
Dec 18 08:49:34.228 INFO [stderr]   |
Dec 18 08:49:34.228 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:34.228 INFO [stderr]   |                         ^^^^^^^^^^^^^^^^^
Dec 18 08:49:34.228 INFO [stderr] 
Dec 18 08:49:34.228 INFO [stderr] warning: the feature `btree_range` has been stable since 1.17.0 and no longer requires an attribute to enable
Dec 18 08:49:34.228 INFO [stderr]  --> src/main.rs:2:12
Dec 18 08:49:34.228 INFO [stderr]   |
Dec 18 08:49:34.228 INFO [stderr] 2 | #![feature(btree_range, collections_bound)]
Dec 18 08:49:34.228 INFO [stderr]   |            ^^^^^^^^^^^
Dec 18 08:49:34.228 INFO [stderr] 
Dec 18 08:49:34.280 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.62s
Dec 18 08:49:34.991 INFO running `"docker" "inspect" "6898cdc8490c0e207afd7a760e1557d802dfb64b34164abadbe9f89e2543ce5c"`
Dec 18 08:49:35.384 INFO running `"docker" "rm" "-f" "6898cdc8490c0e207afd7a760e1557d802dfb64b34164abadbe9f89e2543ce5c"`
Dec 18 08:49:35.752 INFO [stdout] 6898cdc8490c0e207afd7a760e1557d802dfb64b34164abadbe9f89e2543ce5c