[INFO] fetching crate bh_alloc 0.2.4...
[INFO] testing bh_alloc-0.2.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate bh_alloc 0.2.4 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate bh_alloc 0.2.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bh_alloc 0.2.4
[INFO] finished tweaking crates.io crate bh_alloc 0.2.4
[INFO] tweaked toml for crates.io crate bh_alloc 0.2.4 written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28cb1ec596db55e49f5aa1a041c9c3af8a8537dcd8613919e76313d1579a2623
[INFO] running `Command { std: "docker" "start" "-a" "28cb1ec596db55e49f5aa1a041c9c3af8a8537dcd8613919e76313d1579a2623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28cb1ec596db55e49f5aa1a041c9c3af8a8537dcd8613919e76313d1579a2623", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cb1ec596db55e49f5aa1a041c9c3af8a8537dcd8613919e76313d1579a2623", kill_on_drop: false }`
[INFO] [stdout] 28cb1ec596db55e49f5aa1a041c9c3af8a8537dcd8613919e76313d1579a2623
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acbc2bd97ba912929d009f4b2c6e27f1b2ce06d96542002f7f577c2ef9b894ac
[INFO] running `Command { std: "docker" "start" "-a" "acbc2bd97ba912929d009f4b2c6e27f1b2ce06d96542002f7f577c2ef9b894ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling bh_alloc v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: deny(rust_2018_idioms) is ignored unless specified at crate level
[INFO] [stdout]   --> src/lib.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[deny(rust_2018_idioms)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[deny(unused)]
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_attributes)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     spin_loop_hint, AtomicBool, AtomicUsize, Ordering, ATOMIC_BOOL_INIT, ATOMIC_USIZE_INIT,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:56
[INFO] [stdout]    |
[INFO] [stdout] 20 |     spin_loop_hint, AtomicBool, AtomicUsize, Ordering, ATOMIC_BOOL_INIT, ATOMIC_USIZE_INIT,
[INFO] [stdout]    |                                                        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:20:74
[INFO] [stdout]    |
[INFO] [stdout] 20 |     spin_loop_hint, AtomicBool, AtomicUsize, Ordering, ATOMIC_BOOL_INIT, ATOMIC_USIZE_INIT,
[INFO] [stdout]    |                                                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |         alloc_lock: ATOMIC_BOOL_INIT,
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicBool::new(false)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `core::sync::atomic::ATOMIC_USIZE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |         offset: ATOMIC_USIZE_INIT,
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `AtomicUsize::new(0)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `core::sync::atomic::spin_loop_hint`: use hint::spin_loop instead
[INFO] [stdout]   --> src/lib.rs:92:31
[INFO] [stdout]    |
[INFO] [stdout] 92 |                     Err(_) => spin_loop_hint(),
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bh_alloc` due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "acbc2bd97ba912929d009f4b2c6e27f1b2ce06d96542002f7f577c2ef9b894ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acbc2bd97ba912929d009f4b2c6e27f1b2ce06d96542002f7f577c2ef9b894ac", kill_on_drop: false }`
[INFO] [stdout] acbc2bd97ba912929d009f4b2c6e27f1b2ce06d96542002f7f577c2ef9b894ac