[INFO] cloning repository https://github.com/yanchith/wfengine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yanchith/wfengine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanchith%2Fwfengine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanchith%2Fwfengine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cec34801f5232fb94e7f59815ab41c35c8756600
[INFO] checking yanchith/wfengine against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyanchith%2Fwfengine" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/yanchith/wfengine
[INFO] finished tweaking git repo https://github.com/yanchith/wfengine
[INFO] tweaked toml for git repo https://github.com/yanchith/wfengine written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yanchith/wfengine on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yanchith/wfengine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-bindgen v0.45.0
[INFO] [stderr]   Downloaded wasi v0.14.3+wasi-0.2.4
[INFO] [stderr]   Downloaded glam v0.30.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6400b800b180aa6db9d4ab9dbca1ccb52826e62824f228ca0970e7da6b46981
[INFO] running `Command { std: "docker" "start" "-a" "f6400b800b180aa6db9d4ab9dbca1ccb52826e62824f228ca0970e7da6b46981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6400b800b180aa6db9d4ab9dbca1ccb52826e62824f228ca0970e7da6b46981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6400b800b180aa6db9d4ab9dbca1ccb52826e62824f228ca0970e7da6b46981", kill_on_drop: false }`
[INFO] [stdout] f6400b800b180aa6db9d4ab9dbca1ccb52826e62824f228ca0970e7da6b46981
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6b9b20e36d405a5136f0a823d290f3d88b4f637db340040a0d3f3705c8eea1c
[INFO] running `Command { std: "docker" "start" "-a" "a6b9b20e36d405a5136f0a823d290f3d88b4f637db340040a0d3f3705c8eea1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]     Checking wfcommon v0.1.0 (/opt/rustwide/workdir/wfcommon)
[INFO] [stderr]     Checking wfarena v0.1.0 (/opt/rustwide/workdir/wfarena)
[INFO] [stderr]     Checking foldhash v0.2.0
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking wfinlinevec v0.1.0 (/opt/rustwide/workdir/wfinlinevec)
[INFO] [stderr]     Checking ttf-parser v0.21.1
[INFO] [stderr]     Checking bumpalo v3.19.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking wfhashtrie v0.1.0 (/opt/rustwide/workdir/wfhashtrie)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> wfarena/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfarena` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> wfinlinevec/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/foldhash-0.2.0/src/lib.rs:115:34
[INFO] [stdout]     |
[INFO] [stdout] 115 | #![cfg_attr(feature = "nightly", feature(hasher_prefixfree_extras))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> wfinlinevec/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> wfhashtrie/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bumpalo-3.19.1/src/lib.rs:5:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![cfg_attr(feature = "allocator_api", feature(allocator_api))]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfhashtrie` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `foldhash` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wfinlinevec` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bumpalo` (lib) due to 1 previous error
[INFO] [stderr] error: could not compile `wfinlinevec` (lib test) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6b9b20e36d405a5136f0a823d290f3d88b4f637db340040a0d3f3705c8eea1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b9b20e36d405a5136f0a823d290f3d88b4f637db340040a0d3f3705c8eea1c", kill_on_drop: false }`
[INFO] [stdout] a6b9b20e36d405a5136f0a823d290f3d88b4f637db340040a0d3f3705c8eea1c