[INFO] cloning repository https://github.com/abh1nav10/fastack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abh1nav10/fastack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabh1nav10%2Ffastack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabh1nav10%2Ffastack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59688662afa0ac079230192cc51306dd50a1093
[INFO] checking abh1nav10/fastack against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabh1nav10%2Ffastack" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/abh1nav10/fastack
[INFO] finished tweaking git repo https://github.com/abh1nav10/fastack
[INFO] tweaked toml for git repo https://github.com/abh1nav10/fastack written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/abh1nav10/fastack 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/abh1nav10/fastack 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 flume v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] cd3523421a11a07234feff49fd9a6719b4c7437cf1532d5d3d51f9d2cc9dad95
[INFO] running `Command { std: "docker" "start" "-a" "cd3523421a11a07234feff49fd9a6719b4c7437cf1532d5d3d51f9d2cc9dad95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd3523421a11a07234feff49fd9a6719b4c7437cf1532d5d3d51f9d2cc9dad95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3523421a11a07234feff49fd9a6719b4c7437cf1532d5d3d51f9d2cc9dad95", kill_on_drop: false }`
[INFO] [stdout] cd3523421a11a07234feff49fd9a6719b4c7437cf1532d5d3d51f9d2cc9dad95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 535980bfc115563f04f575796eab7094ca37599c4d4b17ecc426af28358508f8
[INFO] running `Command { std: "docker" "start" "-a" "535980bfc115563f04f575796eab7094ca37599c4d4b17ecc426af28358508f8", kill_on_drop: false }`
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]    Compiling async-runtime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking flume v0.12.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tokio-util v0.7.18
[INFO] [stderr]     Checking h2 v0.4.13
[INFO] [stderr]     Checking hyper v1.8.1
[INFO] [stderr]     Checking hyper-util v0.1.20
[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(waker_fn)]
[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 `async-runtime` (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]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(waker_fn)]
[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 `async-runtime` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "535980bfc115563f04f575796eab7094ca37599c4d4b17ecc426af28358508f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "535980bfc115563f04f575796eab7094ca37599c4d4b17ecc426af28358508f8", kill_on_drop: false }`
[INFO] [stdout] 535980bfc115563f04f575796eab7094ca37599c4d4b17ecc426af28358508f8
