[INFO] updating cached repository https://github.com/archer884/cryptid
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a408f227f1e89cdd244d67e5bb4b966a066386f
[INFO] testing archer884/cryptid against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcher884%2Fcryptid" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/archer884/cryptid on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/archer884/cryptid
[INFO] finished tweaking git repo https://github.com/archer884/cryptid
[INFO] tweaked toml for git repo https://github.com/archer884/cryptid written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/archer884/cryptid already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] c4bdc7aaa28b1632522ec8c4a61fd01b9e9b85bfbf06cfb9ed200c14af8eae53
[INFO] running `"docker" "start" "-a" "c4bdc7aaa28b1632522ec8c4a61fd01b9e9b85bfbf06cfb9ed200c14af8eae53"`
[INFO] [stderr]    Compiling hashbrown v0.1.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/lib.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     feature(alloc, allocator_api, ptr_offset_from, test, core_intrinsics)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:142:16
[INFO] [stderr]     |
[INFO] [stderr] 142 |     let data = Layout::array::<T>(buckets).ok()?;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/55724
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:149:16
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let ctrl = Layout::array::<u8>(buckets + Group::WIDTH)
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/55724
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'alloc_layout_extra'
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:151:10
[INFO] [stderr]     |
[INFO] [stderr] 151 |         .align_to(Group::WIDTH);
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see https://github.com/rust-lang/rust/issues/55724
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `extend` found for type `core::result::Result<core::alloc::Layout, core::alloc::LayoutErr>` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/hashbrown-0.1.0/src/raw/mod.rs:153:10
[INFO] [stderr]     |
[INFO] [stderr] 153 |     ctrl.extend(data).ok()
[INFO] [stderr]     |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `hashbrown`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c4bdc7aaa28b1632522ec8c4a61fd01b9e9b85bfbf06cfb9ed200c14af8eae53"`
[INFO] running `"docker" "rm" "-f" "c4bdc7aaa28b1632522ec8c4a61fd01b9e9b85bfbf06cfb9ed200c14af8eae53"`
[INFO] [stdout] c4bdc7aaa28b1632522ec8c4a61fd01b9e9b85bfbf06cfb9ed200c14af8eae53