[INFO] crate appendbuf 0.1.6 is already in cache
[INFO] extracting crate appendbuf 0.1.6 into work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/appendbuf/0.1.6
[INFO] extracting crate appendbuf 0.1.6 into work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/appendbuf/0.1.6
[INFO] validating manifest of appendbuf-0.1.6 on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of appendbuf-0.1.6 on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing appendbuf-0.1.6
[INFO] finished frobbing appendbuf-0.1.6
[INFO] frobbed toml for appendbuf-0.1.6 written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/reg/appendbuf/0.1.6/Cargo.toml
[INFO] started frobbing appendbuf-0.1.6
[INFO] finished frobbing appendbuf-0.1.6
[INFO] frobbed toml for appendbuf-0.1.6 written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/appendbuf/0.1.6/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking appendbuf-0.1.6 against try#bad365140e1e8233b42b21af70a407f14ce5fec5 for pr-56896
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-3/try#bad365140e1e8233b42b21af70a407f14ce5fec5:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/reg/appendbuf/0.1.6:/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" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 41d7076ae96bbdeb11fd800381dc16aaf61a09476a980073b90ad3c720f7d479
[INFO] running `"docker" "start" "-a" "41d7076ae96bbdeb11fd800381dc16aaf61a09476a980073b90ad3c720f7d479"`
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking appendbuf v0.1.6 (/opt/crater/workdir)
[INFO] [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
[INFO] [stderr]    --> src/lib.rs:401:1
[INFO] [stderr]     |
[INFO] [stderr] 401 | #[should_panic = "the desired offset"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stderr] 
[INFO] [stderr] warning: attribute must be of the form: `#[should_panic]` or `#[should_panic(expected = "error message")]`
[INFO] [stderr]    --> src/lib.rs:412:1
[INFO] [stderr]     |
[INFO] [stderr] 412 | #[should_panic = "the desired length"]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: Errors in this attribute were erroneously allowed and will become a hard error in a future release.
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `"docker" "inspect" "41d7076ae96bbdeb11fd800381dc16aaf61a09476a980073b90ad3c720f7d479"`
[INFO] running `"docker" "rm" "-f" "41d7076ae96bbdeb11fd800381dc16aaf61a09476a980073b90ad3c720f7d479"`
[INFO] [stdout] 41d7076ae96bbdeb11fd800381dc16aaf61a09476a980073b90ad3c720f7d479