[INFO] updating cached repository ngsankha/quod
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ngsankha/quod
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ngsankha/quod" "work/ex/beta-1.38-1/sources/1.37.0/gh/ngsankha/quod"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ngsankha/quod'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ngsankha/quod" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ngsankha/quod"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ngsankha/quod'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5937bec51d698da2cb3ad799024af77ec7681604
[INFO] sha for GitHub repo ngsankha/quod: 5937bec51d698da2cb3ad799024af77ec7681604
[INFO] validating manifest of ngsankha/quod 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 ngsankha/quod 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 ngsankha/quod
[INFO] finished frobbing ngsankha/quod
[INFO] frobbed toml for ngsankha/quod written to work/ex/beta-1.38-1/sources/1.37.0/gh/ngsankha/quod/Cargo.toml
[INFO] started frobbing ngsankha/quod
[INFO] finished frobbing ngsankha/quod
[INFO] frobbed toml for ngsankha/quod written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ngsankha/quod/Cargo.toml
[INFO] crate ngsankha/quod 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ngsankha/quod/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ngsankha/quod against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ngsankha/quod:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 34f50db814a0cf2534c10d8e24778572dbf3a680b115f4734be29cdf6ed48b6f
[INFO] running `"docker" "start" "-a" "34f50db814a0cf2534c10d8e24778572dbf3a680b115f4734be29cdf6ed48b6f"`
[INFO] [stderr]    Compiling quod v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `nix::sys::ioctl::libc`
[INFO] [stderr]  --> src/agents.rs:1:22
[INFO] [stderr]   |
[INFO] [stderr] 1 | use nix::sys::ioctl::libc::{rlimit, setrlimit, execv};
[INFO] [stderr]   |                      ^^^^ could not find `libc` in `ioctl`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `nix::sys::ioctl::libc`
[INFO] [stderr]  --> src/agents.rs:2:22
[INFO] [stderr]   |
[INFO] [stderr] 2 | use nix::sys::ioctl::libc::{RLIMIT_AS, RLIMIT_CPU};
[INFO] [stderr]   |                      ^^^^ could not find `libc` in `ioctl`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(convert)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `quod`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "34f50db814a0cf2534c10d8e24778572dbf3a680b115f4734be29cdf6ed48b6f"`
[INFO] running `"docker" "rm" "-f" "34f50db814a0cf2534c10d8e24778572dbf3a680b115f4734be29cdf6ed48b6f"`
[INFO] [stdout] 34f50db814a0cf2534c10d8e24778572dbf3a680b115f4734be29cdf6ed48b6f