[INFO] updating cached repository blt/mmap_comm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/blt/mmap_comm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/blt/mmap_comm" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/blt/mmap_comm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/blt/mmap_comm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blt/mmap_comm" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/blt/mmap_comm"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/blt/mmap_comm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0a505789d7e9ba8da6d04b2bf3f1b7e4617e897
[INFO] sha for GitHub repo blt/mmap_comm: d0a505789d7e9ba8da6d04b2bf3f1b7e4617e897
[INFO] validating manifest of blt/mmap_comm on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of blt/mmap_comm on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing blt/mmap_comm
[INFO] finished frobbing blt/mmap_comm
[INFO] frobbed toml for blt/mmap_comm written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/blt/mmap_comm/Cargo.toml
[INFO] started frobbing blt/mmap_comm
[INFO] finished frobbing blt/mmap_comm
[INFO] frobbed toml for blt/mmap_comm written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/blt/mmap_comm/Cargo.toml
[INFO] crate blt/mmap_comm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking blt/mmap_comm against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/blt/mmap_comm:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 841e3d6c7c22e1ccf3e9c46a916552bbe18d8aa8a794fea87851f315e3afc19f
[INFO] running `"docker" "start" "-a" "841e3d6c7c22e1ccf3e9c46a916552bbe18d8aa8a794fea87851f315e3afc19f"`
[INFO] [stderr]     Checking quantiles v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.2.10
[INFO] [stderr]     Checking clap v2.29.1
[INFO] [stderr]     Checking parking_lot v0.5.3
[INFO] [stderr]     Checking mmap_comm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `time` is imported redundantly
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{fs, mem, panic, sync, thread, time};
[INFO] [stderr]    |                                         ---- the item `time` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 28 |     use std::time;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / lazy_static! {
[INFO] [stderr] 22 | |     static ref VALUES_TO_READ: sync::Arc<AtomicUsize> = sync::Arc::new(AtomicUsize::new(0));
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the item `time` is imported redundantly
[INFO] [stderr]   --> src/main.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::{fs, mem, panic, sync, thread, time};
[INFO] [stderr]    |                                         ---- the item `time` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 28 |     use std::time;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | / lazy_static! {
[INFO] [stderr] 22 | |     static ref VALUES_TO_READ: sync::Arc<AtomicUsize> = sync::Arc::new(AtomicUsize::new(0));
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `"docker" "inspect" "841e3d6c7c22e1ccf3e9c46a916552bbe18d8aa8a794fea87851f315e3afc19f"`
[INFO] running `"docker" "rm" "-f" "841e3d6c7c22e1ccf3e9c46a916552bbe18d8aa8a794fea87851f315e3afc19f"`
[INFO] [stdout] 841e3d6c7c22e1ccf3e9c46a916552bbe18d8aa8a794fea87851f315e3afc19f