[INFO] updating cached repository bobbin-rs/bobbin-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/bobbin-rs/bobbin-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/bobbin-rs/bobbin-wasm" "work/ex/beta-1.37-6/sources/1.36.0/gh/bobbin-rs/bobbin-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/bobbin-rs/bobbin-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/bobbin-rs/bobbin-wasm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bobbin-rs/bobbin-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bobbin-rs/bobbin-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4974d2b1f0806b13bb3381c19a36f691bf683d4e
[INFO] sha for GitHub repo bobbin-rs/bobbin-wasm: 4974d2b1f0806b13bb3381c19a36f691bf683d4e
[INFO] validating manifest of bobbin-rs/bobbin-wasm 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 bobbin-rs/bobbin-wasm 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 bobbin-rs/bobbin-wasm
[INFO] finished frobbing bobbin-rs/bobbin-wasm
[INFO] frobbed toml for bobbin-rs/bobbin-wasm written to work/ex/beta-1.37-6/sources/1.36.0/gh/bobbin-rs/bobbin-wasm/Cargo.toml
[INFO] started frobbing bobbin-rs/bobbin-wasm
[INFO] finished frobbing bobbin-rs/bobbin-wasm
[INFO] frobbed toml for bobbin-rs/bobbin-wasm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/bobbin-rs/bobbin-wasm/Cargo.toml
[INFO] crate bobbin-rs/bobbin-wasm 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 bobbin-rs/bobbin-wasm 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/bobbin-rs/bobbin-wasm:/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] b1068debd66e7b78bb8b969519530e1a16532bce8494452178912c24cd8bbbcc
[INFO] running `"docker" "start" "-a" "b1068debd66e7b78bb8b969519530e1a16532bce8494452178912c24cd8bbbcc"`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling termcolor v0.3.4
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling byteorder v1.2.1
[INFO] [stderr]    Compiling fallible-iterator v0.1.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.30.0
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.4.0
[INFO] [stderr]    Compiling regex v0.2.6
[INFO] [stderr]    Compiling env_logger v0.5.3
[INFO] [stderr]    Compiling bobbin-wasm v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(ptr_offset_from, core_intrinsics)]
[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 `bobbin-wasm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b1068debd66e7b78bb8b969519530e1a16532bce8494452178912c24cd8bbbcc"`
[INFO] running `"docker" "rm" "-f" "b1068debd66e7b78bb8b969519530e1a16532bce8494452178912c24cd8bbbcc"`
[INFO] [stdout] b1068debd66e7b78bb8b969519530e1a16532bce8494452178912c24cd8bbbcc