[INFO] fetching crate pi_ecs_derive_old 0.1.0...
[INFO] documenting pi_ecs_derive_old-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pi_ecs_derive_old 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pi_ecs_derive_old 0.1.0 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pi_ecs_derive_old 0.1.0
[INFO] finished tweaking crates.io crate pi_ecs_derive_old 0.1.0
[INFO] tweaked toml for crates.io crate pi_ecs_derive_old 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate pi_ecs_derive_old 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_ecs_old v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80934a124d6aee1a8b8e1e290d6e15005b5e03423d284d860ab55c06e5f4c72a
[INFO] running `Command { std: "docker" "start" "-a" "80934a124d6aee1a8b8e1e290d6e15005b5e03423d284d860ab55c06e5f4c72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80934a124d6aee1a8b8e1e290d6e15005b5e03423d284d860ab55c06e5f4c72a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80934a124d6aee1a8b8e1e290d6e15005b5e03423d284d860ab55c06e5f4c72a", kill_on_drop: false }`
[INFO] [stdout] 80934a124d6aee1a8b8e1e290d6e15005b5e03423d284d860ab55c06e5f4c72a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a8833c49557594d46ba933f9683c31873783bf85fe29bd1431854f06a135d6f
[INFO] running `Command { std: "docker" "start" "-a" "5a8833c49557594d46ba933f9683c31873783bf85fe29bd1431854f06a135d6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]     Checking pi_share v0.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking pi_data_view v0.1.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking pi_slab v0.1.0
[INFO] [stderr]     Checking pi_any v0.1.1
[INFO] [stderr]     Checking pi_debug_info v0.1.0
[INFO] [stderr]     Checking pi_time v0.1.0
[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/pi_share-0.1.0/src/lib.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | #![feature(const_trait_impl)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `pi_share` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5a8833c49557594d46ba933f9683c31873783bf85fe29bd1431854f06a135d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8833c49557594d46ba933f9683c31873783bf85fe29bd1431854f06a135d6f", kill_on_drop: false }`
[INFO] [stdout] 5a8833c49557594d46ba933f9683c31873783bf85fe29bd1431854f06a135d6f