[INFO] fetching crate buffex 0.0.1...
[INFO] checking buffex-0.0.1 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate buffex 0.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate buffex 0.0.1
[INFO] finished tweaking crates.io crate buffex 0.0.1
[INFO] tweaked toml for crates.io crate buffex 0.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffex 0.0.1 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 91 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.10.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cebf18192d85aad98093edc78f288f9bf06784743b061fed47a1b7b33133b2ef
[INFO] running `Command { std: "docker" "start" "-a" "cebf18192d85aad98093edc78f288f9bf06784743b061fed47a1b7b33133b2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cebf18192d85aad98093edc78f288f9bf06784743b061fed47a1b7b33133b2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebf18192d85aad98093edc78f288f9bf06784743b061fed47a1b7b33133b2ef", kill_on_drop: false }`
[INFO] [stdout] cebf18192d85aad98093edc78f288f9bf06784743b061fed47a1b7b33133b2ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8402927a626dd69c0232b496ef56dd0123ea9c62acff7de21fa2f196c353434
[INFO] running `Command { std: "docker" "start" "-a" "d8402927a626dd69c0232b496ef56dd0123ea9c62acff7de21fa2f196c353434", kill_on_drop: false }`
[INFO] [stderr]     Checking funty v3.0.0-rc2
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.5
[INFO] [stderr]     Checking anstyle v1.0.14
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.2
[INFO] [stderr]     Checking anstyle-query v1.1.5
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]     Checking jiff v0.2.23
[INFO] [stderr]     Checking abs_mm v0.1.2
[INFO] [stderr]     Checking anylr v0.1.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking anstyle-parse v1.0.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking pin-project-lite v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking core_malloc v0.1.0
[INFO] [stderr]     Checking anstream v1.0.0
[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]    |                ^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `core::error::Error` is not implemented for `core_alloc_::CoreAllocError`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/core_malloc-0.1.0/src/core_alloc_.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct 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" "d8402927a626dd69c0232b496ef56dd0123ea9c62acff7de21fa2f196c353434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8402927a626dd69c0232b496ef56dd0123ea9c62acff7de21fa2f196c353434", kill_on_drop: false }`
[INFO] [stdout] d8402927a626dd69c0232b496ef56dd0123ea9c62acff7de21fa2f196c353434