[INFO] fetching crate sqa-bounded-spsc-queue 0.2.1...
[INFO] testing sqa-bounded-spsc-queue-0.2.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate sqa-bounded-spsc-queue 0.2.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate sqa-bounded-spsc-queue 0.2.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sqa-bounded-spsc-queue 0.2.1
[INFO] finished tweaking crates.io crate sqa-bounded-spsc-queue 0.2.1
[INFO] tweaked toml for crates.io crate sqa-bounded-spsc-queue 0.2.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b6ccd25fc11a3fb282546183be4b91ce64d800ead21893ab3f55a20e385504f
[INFO] running `Command { std: "docker" "start" "-a" "6b6ccd25fc11a3fb282546183be4b91ce64d800ead21893ab3f55a20e385504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b6ccd25fc11a3fb282546183be4b91ce64d800ead21893ab3f55a20e385504f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6ccd25fc11a3fb282546183be4b91ce64d800ead21893ab3f55a20e385504f", kill_on_drop: false }`
[INFO] [stdout] 6b6ccd25fc11a3fb282546183be4b91ce64d800ead21893ab3f55a20e385504f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e74923e194e2e9a454f204daec5f68247231da7e1d53e020d0ae5d4c1a5ed35
[INFO] running `Command { std: "docker" "start" "-a" "2e74923e194e2e9a454f204daec5f68247231da7e1d53e020d0ae5d4c1a5ed35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling sqa-bounded-spsc-queue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:46
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::allocator`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | use alloc::allocator::{Layout, Alloc};
[INFO] [stdout]   |            ^^^^^^^^^ could not find `allocator` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `alloc::heap`
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | use alloc::heap::Heap;
[INFO] [stdout]    |            ^^^^ could not find `heap` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api, alloc, box_syntax, optin_builtin_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/lib.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl<T> !Sync for Consumer<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/lib.rs:82:9
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl<T> !Sync for Producer<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/lib.rs:324:9
[INFO] [stdout]     |
[INFO] [stdout] 324 |     let mut heap = Default::default();
[INFO] [stdout]     |         ^^^^^^^^ consider giving `heap` a type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0554, E0557, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sqa-bounded-spsc-queue`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2e74923e194e2e9a454f204daec5f68247231da7e1d53e020d0ae5d4c1a5ed35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e74923e194e2e9a454f204daec5f68247231da7e1d53e020d0ae5d4c1a5ed35", kill_on_drop: false }`
[INFO] [stdout] 2e74923e194e2e9a454f204daec5f68247231da7e1d53e020d0ae5d4c1a5ed35
