[INFO] updating cached repository phil-n/symlink
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phil-n/symlink
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phil-n/symlink" "work/ex/beta-1.38-1/sources/1.37.0/gh/phil-n/symlink"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/phil-n/symlink'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phil-n/symlink" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phil-n/symlink"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phil-n/symlink'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a015ff6f1e6a95339129197a477405a5e88a2dec
[INFO] sha for GitHub repo phil-n/symlink: a015ff6f1e6a95339129197a477405a5e88a2dec
[INFO] validating manifest of phil-n/symlink on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phil-n/symlink on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phil-n/symlink
[INFO] finished frobbing phil-n/symlink
[INFO] frobbed toml for phil-n/symlink written to work/ex/beta-1.38-1/sources/1.37.0/gh/phil-n/symlink/Cargo.toml
[INFO] started frobbing phil-n/symlink
[INFO] finished frobbing phil-n/symlink
[INFO] frobbed toml for phil-n/symlink written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phil-n/symlink/Cargo.toml
[INFO] crate phil-n/symlink already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing phil-n/symlink against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/phil-n/symlink:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 634ff1e3e3e551bdc46f2f6fac10d0ee0bbd5a0405864784fb96dc03e47ae019
[INFO] running `"docker" "start" "-a" "634ff1e3e3e551bdc46f2f6fac10d0ee0bbd5a0405864784fb96dc03e47ae019"`
[INFO] [stderr]    Compiling symlink v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::os::windows`
[INFO] [stderr]  --> src/main.rs:3:14
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::os::windows::fs;
[INFO] [stderr]   |              ^^^^^^^ could not find `windows` in `os`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `symlink`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "634ff1e3e3e551bdc46f2f6fac10d0ee0bbd5a0405864784fb96dc03e47ae019"`
[INFO] running `"docker" "rm" "-f" "634ff1e3e3e551bdc46f2f6fac10d0ee0bbd5a0405864784fb96dc03e47ae019"`
[INFO] [stdout] 634ff1e3e3e551bdc46f2f6fac10d0ee0bbd5a0405864784fb96dc03e47ae019