[INFO] fetching crate alloc-tls 0.1.0...
[INFO] extracting crate alloc-tls 0.1.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/alloc-tls/0.1.0
[INFO] extracting crate alloc-tls 0.1.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/alloc-tls/0.1.0
[INFO] validating manifest of alloc-tls-0.1.0 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alloc-tls-0.1.0 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alloc-tls-0.1.0
[INFO] finished frobbing alloc-tls-0.1.0
[INFO] frobbed toml for alloc-tls-0.1.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/alloc-tls/0.1.0/Cargo.toml
[INFO] started frobbing alloc-tls-0.1.0
[INFO] finished frobbing alloc-tls-0.1.0
[INFO] frobbed toml for alloc-tls-0.1.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/alloc-tls/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-fmt v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking alloc-tls-0.1.0 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/alloc-tls/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e33ffb85a7942d3d7e774c36f39a35c74dc866154f07f13801e119a2fe17037c
[INFO] running `"docker" "start" "-a" "e33ffb85a7942d3d7e774c36f39a35c74dc866154f07f13801e119a2fe17037c"`
[INFO] [stderr]     Checking alloc-fmt v0.1.0
[INFO] [stderr]     Checking alloc-tls v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the feature `fn_must_use` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![feature(fn_must_use)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `const_ptr_null_mut`
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(const_ptr_null_mut)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `const_unsafe_cell_new`
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(const_unsafe_cell_new)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: Could not compile `alloc-tls`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/lib.rs:389:28
[INFO] [stderr]     |
[INFO] [stderr] 388 |         b.iter(|| unsafe {
[INFO] [stderr]     |                   ------ because it's nested under this `unsafe` block
[INFO] [stderr] 389 |             FOO.with(|foo| unsafe {
[INFO] [stderr]     |                            ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_unsafe)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `fn_must_use` has been stable since 1.27.0 and no longer requires an attribute to enable
[INFO] [stderr]   --> src/lib.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | #![feature(fn_must_use)]
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `const_ptr_null_mut`
[INFO] [stderr]   --> src/lib.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 15 | #![feature(const_ptr_null_mut)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0635]: unknown feature `const_unsafe_cell_new`
[INFO] [stderr]   --> src/lib.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | #![feature(const_unsafe_cell_new)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0635`.
[INFO] [stderr] error: Could not compile `alloc-tls`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "e33ffb85a7942d3d7e774c36f39a35c74dc866154f07f13801e119a2fe17037c"`
[INFO] running `"docker" "rm" "-f" "e33ffb85a7942d3d7e774c36f39a35c74dc866154f07f13801e119a2fe17037c"`
[INFO] [stdout] e33ffb85a7942d3d7e774c36f39a35c74dc866154f07f13801e119a2fe17037c