[INFO] fetching crate comp_state_seed_extras 0.0.10...
[INFO] testing comp_state_seed_extras-0.0.10 against 1.60.0 for beta-1.61-1
[INFO] extracting crate comp_state_seed_extras 0.0.10 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate comp_state_seed_extras 0.0.10 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate comp_state_seed_extras 0.0.10
[INFO] finished tweaking crates.io crate comp_state_seed_extras 0.0.10
[INFO] tweaked toml for crates.io crate comp_state_seed_extras 0.0.10 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark v0.6.1
[INFO] [stderr]   Downloaded comp_state v0.2.8
[INFO] [stderr]   Downloaded seed v0.6.0
[INFO] [stderr]   Downloaded illicit-macro v0.9.0
[INFO] [stderr]   Downloaded illicit v0.9.2
[INFO] [stderr]   Downloaded topo-macro v0.9.0
[INFO] [stderr]   Downloaded topo v0.9.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45156dbed88245251438b9f60cf946d774eca49f262ad4de8c93e98914178c74
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "45156dbed88245251438b9f60cf946d774eca49f262ad4de8c93e98914178c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45156dbed88245251438b9f60cf946d774eca49f262ad4de8c93e98914178c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45156dbed88245251438b9f60cf946d774eca49f262ad4de8c93e98914178c74", kill_on_drop: false }`
[INFO] [stdout] 45156dbed88245251438b9f60cf946d774eca49f262ad4de8c93e98914178c74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33cee289c4a397cc1bee13a02907d7df740a71f4fdfcd1df7f8d9bf883316c8b
[INFO] running `Command { std: "docker" "start" "-a" "33cee289c4a397cc1bee13a02907d7df740a71f4fdfcd1df7f8d9bf883316c8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen v0.2.80
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling pulldown-cmark v0.6.1
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling slotmap v0.4.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling seed v0.6.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling syn-mid v0.5.3
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling topo-macro v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling dbg v1.0.4
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling js-sys v0.3.57
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling illicit-macro v0.9.0
[INFO] [stderr]    Compiling illicit v0.9.2
[INFO] [stderr]    Compiling topo v0.9.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/topo-0.9.4/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(track_caller)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `track_caller` has been stable since 1.46.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `topo` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33cee289c4a397cc1bee13a02907d7df740a71f4fdfcd1df7f8d9bf883316c8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33cee289c4a397cc1bee13a02907d7df740a71f4fdfcd1df7f8d9bf883316c8b", kill_on_drop: false }`
[INFO] [stdout] 33cee289c4a397cc1bee13a02907d7df740a71f4fdfcd1df7f8d9bf883316c8b