[INFO] updating cached repository Nemo157/afl-rs-logo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Nemo157/afl-rs-logo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Nemo157/afl-rs-logo" "work/ex/beta-1.37-6/sources/1.36.0/gh/Nemo157/afl-rs-logo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Nemo157/afl-rs-logo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Nemo157/afl-rs-logo" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nemo157/afl-rs-logo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nemo157/afl-rs-logo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0598175432261e0fb5a2262ba48f1ed179032edf
[INFO] sha for GitHub repo Nemo157/afl-rs-logo: 0598175432261e0fb5a2262ba48f1ed179032edf
[INFO] validating manifest of Nemo157/afl-rs-logo on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Nemo157/afl-rs-logo on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Nemo157/afl-rs-logo
[INFO] finished frobbing Nemo157/afl-rs-logo
[INFO] frobbed toml for Nemo157/afl-rs-logo written to work/ex/beta-1.37-6/sources/1.36.0/gh/Nemo157/afl-rs-logo/Cargo.toml
[INFO] started frobbing Nemo157/afl-rs-logo
[INFO] finished frobbing Nemo157/afl-rs-logo
[INFO] frobbed toml for Nemo157/afl-rs-logo written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Nemo157/afl-rs-logo/Cargo.toml
[INFO] crate Nemo157/afl-rs-logo already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Nemo157/afl-rs-logo against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Nemo157/afl-rs-logo:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 4f95b30a483837dcc793c4403d553f16e652445b87eb3ea9ec677886557f8f5d
[INFO] running `"docker" "start" "-a" "4f95b30a483837dcc793c4403d553f16e652445b87eb3ea9ec677886557f8f5d"`
[INFO] [stderr]    Compiling afl-sys v0.1.5
[INFO] [stderr]    Compiling afl v0.1.5
[INFO] [stderr]    Compiling quale v1.0.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.10
[INFO] [stderr]    Compiling clap v2.16.4
[INFO] [stderr]    Compiling afl-plugin v0.1.5
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/afl-plugin-0.1.5/lib.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | #![feature(plugin_registrar, rustc_private)]
[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 `afl-plugin`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4f95b30a483837dcc793c4403d553f16e652445b87eb3ea9ec677886557f8f5d"`
[INFO] running `"docker" "rm" "-f" "4f95b30a483837dcc793c4403d553f16e652445b87eb3ea9ec677886557f8f5d"`
[INFO] [stdout] 4f95b30a483837dcc793c4403d553f16e652445b87eb3ea9ec677886557f8f5d