Dec 18 04:56:29.805 INFO checking VratnamT/firecracker against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 04:56:29.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/VratnamT/firecracker:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 04:56:30.346 INFO [stdout] 1ab6a37c980a905a2765b8db82d1f1bb3f8cca5f7afea2f9c63b108f3cca267b
Dec 18 04:56:30.350 INFO running `"docker" "start" "-a" "1ab6a37c980a905a2765b8db82d1f1bb3f8cca5f7afea2f9c63b108f3cca267b"`
Dec 18 04:56:31.915 INFO [stderr]    Compiling version_check v0.1.5
Dec 18 04:56:31.915 INFO [stderr]    Compiling libc v0.2.44
Dec 18 04:56:31.918 INFO [stderr]    Compiling cfg-if v0.1.6
Dec 18 04:56:31.918 INFO [stderr]    Compiling unicode-xid v0.0.4
Dec 18 04:56:31.964 INFO [stderr]    Compiling semver-parser v0.7.0
Dec 18 04:56:31.964 INFO [stderr]    Compiling rustc-serialize v0.3.24
Dec 18 04:56:31.972 INFO [stderr]    Compiling term v0.4.6
Dec 18 04:56:31.976 INFO [stderr]    Compiling quote v0.3.15
Dec 18 04:56:32.551 INFO [stderr]    Compiling num-traits v0.2.6
Dec 18 04:56:32.836 INFO [stderr]    Compiling unicode-xid v0.0.3
Dec 18 04:56:36.392 INFO [stderr]    Compiling bitflags v0.5.0
Dec 18 04:56:36.449 INFO [stderr]    Compiling num-integer v0.1.39
Dec 18 04:56:36.627 INFO [stderr]    Compiling ucd-util v0.1.3
Dec 18 04:56:36.764 INFO [stderr]    Compiling regex v0.2.11
Dec 18 04:56:36.813 INFO [stderr]    Compiling lazy_static v1.2.0
Dec 18 04:56:37.004 INFO [stderr]     Checking serde v1.0.27
Dec 18 04:56:37.212 INFO [stderr]     Checking itoa v0.4.3
Dec 18 04:56:37.556 INFO [stderr]     Checking dtoa v0.4.3
Dec 18 04:56:38.120 INFO [stderr] error[E0463]: can't find crate for `std`
Dec 18 04:56:38.133 INFO [stderr] error[E0463]: can't find crate for `std`
Dec 18 04:56:38.134 INFO [stderr]   |
Dec 18 04:56:38.134 INFO [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
Dec 18 04:56:38.134 INFO [stderr] 
Dec 18 04:56:38.135 INFO [stderr]   |
Dec 18 04:56:38.136 INFO [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
Dec 18 04:56:38.136 INFO [stderr] 
Dec 18 04:56:38.156 INFO [stderr] error: aborting due to previous error
Dec 18 04:56:38.156 INFO [stderr] 
Dec 18 04:56:38.156 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 18 04:56:38.160 INFO [stderr] error: aborting due to previous error
Dec 18 04:56:38.160 INFO [stderr] 
Dec 18 04:56:38.161 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 18 04:56:38.163 INFO [stderr] error: Could not compile `itoa`.
Dec 18 04:56:38.163 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:56:38.169 INFO [stderr] error: Could not compile `serde`.
Dec 18 04:56:38.169 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:56:38.184 INFO [stderr] error[E0463]: can't find crate for `std`
Dec 18 04:56:38.184 INFO [stderr]   |
Dec 18 04:56:38.184 INFO [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
Dec 18 04:56:38.184 INFO [stderr] 
Dec 18 04:56:38.185 INFO [stderr] error: aborting due to previous error
Dec 18 04:56:38.185 INFO [stderr] 
Dec 18 04:56:38.186 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 18 04:56:38.192 INFO [stderr] error: Could not compile `dtoa`.
Dec 18 04:56:38.193 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:56:38.796 INFO [stderr] error[E0463]: can't find crate for `std`
Dec 18 04:56:38.811 INFO [stderr]   |
Dec 18 04:56:38.811 INFO [stderr]   = note: the `x86_64-unknown-linux-musl` target may not be installed
Dec 18 04:56:38.812 INFO [stderr] 
Dec 18 04:56:38.812 INFO [stderr] error: aborting due to previous error
Dec 18 04:56:38.812 INFO [stderr] 
Dec 18 04:56:38.812 INFO [stderr] For more information about this error, try `rustc --explain E0463`.
Dec 18 04:56:38.844 INFO [stderr] error: Could not compile `itoa`.
Dec 18 04:56:38.844 INFO [stderr] warning: build failed, waiting for other jobs to finish...
Dec 18 04:56:42.379 INFO [stderr] error: build failed
Dec 18 04:56:42.938 INFO running `"docker" "inspect" "1ab6a37c980a905a2765b8db82d1f1bb3f8cca5f7afea2f9c63b108f3cca267b"`
Dec 18 04:56:43.030 INFO running `"docker" "rm" "-f" "1ab6a37c980a905a2765b8db82d1f1bb3f8cca5f7afea2f9c63b108f3cca267b"`
Dec 18 04:56:43.120 INFO [stdout] 1ab6a37c980a905a2765b8db82d1f1bb3f8cca5f7afea2f9c63b108f3cca267b