[INFO] crate owasm-alloc 0.4.0 is already in cache
[INFO] extracting crate owasm-alloc 0.4.0 into work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/owasm-alloc/0.4.0
[INFO] extracting crate owasm-alloc 0.4.0 into work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/owasm-alloc/0.4.0
[INFO] validating manifest of owasm-alloc-0.4.0 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of owasm-alloc-0.4.0 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing owasm-alloc-0.4.0
[INFO] finished frobbing owasm-alloc-0.4.0
[INFO] frobbed toml for owasm-alloc-0.4.0 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/reg/owasm-alloc/0.4.0/Cargo.toml
[INFO] started frobbing owasm-alloc-0.4.0
[INFO] finished frobbing owasm-alloc-0.4.0
[INFO] frobbed toml for owasm-alloc-0.4.0 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/owasm-alloc/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking owasm-alloc-0.4.0 against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-1/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/reg/owasm-alloc/0.4.0:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e13d679dc4936bff543c6b8ce7bb5513be343b3cf4179aade672ac628d8f9a34
[INFO] running `"docker" "start" "-a" "e13d679dc4936bff543c6b8ce7bb5513be343b3cf4179aade672ac628d8f9a34"`
[INFO] [stderr]    Compiling wee_alloc v0.4.3
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking owasm-alloc v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0635]: unknown feature `alloc`
[INFO] [stderr]  --> src/lib.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(alloc)]
[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 E0635`.
[INFO] [stderr] error: Could not compile `owasm-alloc`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "e13d679dc4936bff543c6b8ce7bb5513be343b3cf4179aade672ac628d8f9a34"`
[INFO] running `"docker" "rm" "-f" "e13d679dc4936bff543c6b8ce7bb5513be343b3cf4179aade672ac628d8f9a34"`
[INFO] [stdout] e13d679dc4936bff543c6b8ce7bb5513be343b3cf4179aade672ac628d8f9a34