[INFO] updating cached repository leorik/hyper_halting_issue
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/leorik/hyper_halting_issue
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/leorik/hyper_halting_issue" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/leorik/hyper_halting_issue"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/leorik/hyper_halting_issue'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/leorik/hyper_halting_issue" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/leorik/hyper_halting_issue"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/leorik/hyper_halting_issue'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aa16373e14f79f424b2df70e477cab1d479c33a5
[INFO] sha for GitHub repo leorik/hyper_halting_issue: aa16373e14f79f424b2df70e477cab1d479c33a5
[INFO] validating manifest of leorik/hyper_halting_issue 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 leorik/hyper_halting_issue 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 leorik/hyper_halting_issue
[INFO] finished frobbing leorik/hyper_halting_issue
[INFO] frobbed toml for leorik/hyper_halting_issue written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/leorik/hyper_halting_issue/Cargo.toml
[INFO] started frobbing leorik/hyper_halting_issue
[INFO] finished frobbing leorik/hyper_halting_issue
[INFO] frobbed toml for leorik/hyper_halting_issue written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/leorik/hyper_halting_issue/Cargo.toml
[INFO] crate leorik/hyper_halting_issue 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 leorik/hyper_halting_issue against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/leorik/hyper_halting_issue:/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] b08607cd752dd5ef58cced8c5243cab663df9b731d454b6df8bdfa1838132854
[INFO] running `"docker" "start" "-a" "b08607cd752dd5ef58cced8c5243cab663df9b731d454b6df8bdfa1838132854"`
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-threadpool v0.1.12
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking h2 v0.1.17
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]     Checking hyper v0.12.25
[INFO] [stderr]     Checking hyper_halting v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `futures::sync::oneshot`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::sync::oneshot;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::sync::oneshot`
[INFO] [stderr]  --> src/main.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use futures::sync::oneshot;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.17s
[INFO] running `"docker" "inspect" "b08607cd752dd5ef58cced8c5243cab663df9b731d454b6df8bdfa1838132854"`
[INFO] running `"docker" "rm" "-f" "b08607cd752dd5ef58cced8c5243cab663df9b731d454b6df8bdfa1838132854"`
[INFO] [stdout] b08607cd752dd5ef58cced8c5243cab663df9b731d454b6df8bdfa1838132854