[INFO] updating cached repository psFried/rust-channel-perf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/psFried/rust-channel-perf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/psFried/rust-channel-perf" "work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/psFried/rust-channel-perf"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/psFried/rust-channel-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/psFried/rust-channel-perf" "work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/psFried/rust-channel-perf"`
[INFO] [stderr] Cloning into 'work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/psFried/rust-channel-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4875401362c72e8ed72c00e033050c10106a12ea
[INFO] sha for GitHub repo psFried/rust-channel-perf: 4875401362c72e8ed72c00e033050c10106a12ea
[INFO] validating manifest of psFried/rust-channel-perf on toolchain master#2bde39b8edce6463e1c37f8a8082a875e7b536b1
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of psFried/rust-channel-perf on toolchain try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing psFried/rust-channel-perf
[INFO] finished frobbing psFried/rust-channel-perf
[INFO] frobbed toml for psFried/rust-channel-perf written to work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/psFried/rust-channel-perf/Cargo.toml
[INFO] started frobbing psFried/rust-channel-perf
[INFO] finished frobbing psFried/rust-channel-perf
[INFO] frobbed toml for psFried/rust-channel-perf written to work/ex/pr-57483/sources/try#0d8b5d1f16bab9e975695518ff8705bdab9fe94c/gh/psFried/rust-channel-perf/Cargo.toml
[INFO] crate psFried/rust-channel-perf has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0d8b5d1f16bab9e975695518ff8705bdab9fe94c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking psFried/rust-channel-perf against master#2bde39b8edce6463e1c37f8a8082a875e7b536b1 for pr-57483
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57483/worker-7/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57483/sources/master#2bde39b8edce6463e1c37f8a8082a875e7b536b1/gh/psFried/rust-channel-perf:/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" "+2bde39b8edce6463e1c37f8a8082a875e7b536b1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32636184034e7205782df9a92b8c23e1d290beab0bfae1ee6ae7b4c57c2c0410
[INFO] running `"docker" "start" "-a" "32636184034e7205782df9a92b8c23e1d290beab0bfae1ee6ae7b4c57c2c0410"`
[INFO] [stderr]     Checking histogram v0.6.6
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking shuteye v0.2.0
[INFO] [stderr]     Checking mpmc v0.1.2
[INFO] [stderr]     Checking allan v0.2.1
[INFO] [stderr]     Checking clocksource v0.2.2
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking heatmap v0.6.5
[INFO] [stderr]     Checking rusttype v0.1.2
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking waterfall v0.7.0
[INFO] [stderr]     Checking tiny_http v0.5.8
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking tic v0.2.2
[INFO] [stderr]     Checking timing-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/sync_select.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(mpsc_select)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `timing-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0554]: #![feature] may not be used on the beta release channel
[INFO] [stderr]  --> src/sync_select.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(mpsc_select)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `timing-test`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "32636184034e7205782df9a92b8c23e1d290beab0bfae1ee6ae7b4c57c2c0410"`
[INFO] running `"docker" "rm" "-f" "32636184034e7205782df9a92b8c23e1d290beab0bfae1ee6ae7b4c57c2c0410"`
[INFO] [stdout] 32636184034e7205782df9a92b8c23e1d290beab0bfae1ee6ae7b4c57c2c0410