[INFO] cloning repository brayniac/telem
[INFO] running `"git" "clone" "--bare" "git://github.com/brayniac/telem.git" "work/cache/sources/gh/brayniac/telem"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/brayniac/telem'...
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/telem" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brayniac/telem"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brayniac/telem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/brayniac/telem" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brayniac/telem"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brayniac/telem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 227ac82878d5505852ac945e5dda0e3dfdf90daf
[INFO] sha for GitHub repo brayniac/telem: 227ac82878d5505852ac945e5dda0e3dfdf90daf
[INFO] validating manifest of brayniac/telem on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of brayniac/telem on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing brayniac/telem
[INFO] finished frobbing brayniac/telem
[INFO] frobbed toml for brayniac/telem written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brayniac/telem/Cargo.toml
[INFO] started frobbing brayniac/telem
[INFO] finished frobbing brayniac/telem
[INFO] frobbed toml for brayniac/telem written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/brayniac/telem/Cargo.toml
[INFO] crate brayniac/telem already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tic v0.2.1
[INFO] [stderr]   Downloaded clocksource v0.2.0
[INFO] [stderr]   Downloaded shuteye v0.3.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking brayniac/telem against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/brayniac/telem:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c0995f7ea3dd7738b684320995d965f87021ab2bf0419f1c71cce1f35ba7b95b
[INFO] running `"docker" "start" "-a" "c0995f7ea3dd7738b684320995d965f87021ab2bf0419f1c71cce1f35ba7b95b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]     Checking histogram v0.6.6
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking shuteye v0.2.0
[INFO] [stderr]     Checking allan v0.2.1
[INFO] [stderr]     Checking mpmc v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling num-complex v0.1.37
[INFO] [stderr]     Checking clocksource v0.2.0
[INFO] [stderr]     Checking shuteye v0.3.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking heatmap v0.6.5
[INFO] [stderr]    Compiling csv v0.14.7
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]     Checking phf v0.7.21
[INFO] [stderr]     Checking mmap v0.1.1
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking rusttype v0.1.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking waterfall v0.7.0
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]     Checking tiny_http v0.5.8
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling serde v0.6.15
[INFO] [stderr]     Checking tic v0.2.1
[INFO] [stderr]    Compiling serde_json v0.6.1
[INFO] [stderr]    Compiling x86 v0.6.2
[INFO] [stderr] error[E0635]: unknown feature `convert`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/x86-0.6.2/build.rs:1:54
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(feature = "performance-counter", feature(convert))]
[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 E0635`.
[INFO] [stderr] error: Could not compile `x86`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c0995f7ea3dd7738b684320995d965f87021ab2bf0419f1c71cce1f35ba7b95b"`
[INFO] running `"docker" "rm" "-f" "c0995f7ea3dd7738b684320995d965f87021ab2bf0419f1c71cce1f35ba7b95b"`
[INFO] [stdout] c0995f7ea3dd7738b684320995d965f87021ab2bf0419f1c71cce1f35ba7b95b