[INFO] fetching crate asyncex 0.0.1...
[INFO] checking asyncex-0.0.1 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate asyncex 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate asyncex 0.0.1
[INFO] finished tweaking crates.io crate asyncex 0.0.1
[INFO] tweaked toml for crates.io crate asyncex 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate asyncex 0.0.1 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 109 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57c7a616ef7d55296d78c1684f35a01273c633118b2197f0f2038c4a7331417e
[INFO] running `Command { std: "docker" "start" "-a" "57c7a616ef7d55296d78c1684f35a01273c633118b2197f0f2038c4a7331417e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57c7a616ef7d55296d78c1684f35a01273c633118b2197f0f2038c4a7331417e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57c7a616ef7d55296d78c1684f35a01273c633118b2197f0f2038c4a7331417e", kill_on_drop: false }`
[INFO] [stdout] 57c7a616ef7d55296d78c1684f35a01273c633118b2197f0f2038c4a7331417e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1660c2a5e85433db3d7d5a8f98d9d5d524517117e6887246f79c284f1cd39dd8
[INFO] running `Command { std: "docker" "start" "-a" "1660c2a5e85433db3d7d5a8f98d9d5d524517117e6887246f79c284f1cd39dd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking funty v3.0.0-rc2
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking abs_mm v0.1.2
[INFO] [stderr]     Checking anylr v0.1.0
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking core_malloc v0.1.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stdout] error[E0277]: the trait bound `core_alloc_::CoreAllocError: core::error::Error` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/core_malloc-0.1.0/src/core_alloc_.rs:96:16
[INFO] [stdout]    |
[INFO] [stdout] 96 |     type Err = CoreAllocError;
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ the trait `core::error::Error` is not implemented for `core_alloc_::CoreAllocError`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `abs_mm::mem_alloc::TrMalloc::Err`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/abs_mm-0.1.2/src/mem_alloc.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     type Err: error::Error;
[INFO] [stdout]    |               ^^^^^^^^^^^^ required by this bound in `TrMalloc::Err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core_malloc` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1660c2a5e85433db3d7d5a8f98d9d5d524517117e6887246f79c284f1cd39dd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1660c2a5e85433db3d7d5a8f98d9d5d524517117e6887246f79c284f1cd39dd8", kill_on_drop: false }`
[INFO] [stdout] 1660c2a5e85433db3d7d5a8f98d9d5d524517117e6887246f79c284f1cd39dd8