[INFO] fetching crate specs_time 0.6.1...
[INFO] documenting specs_time-0.6.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate specs_time 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate specs_time 0.6.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate specs_time 0.6.1
[INFO] finished tweaking crates.io crate specs_time 0.6.1
[INFO] tweaked toml for crates.io crate specs_time 0.6.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate specs_time 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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 hibitset v0.6.1
[INFO] [stderr]   Downloaded specs v0.15.0
[INFO] [stderr]   Downloaded shred v0.9.2
[INFO] [stderr]   Downloaded derivative v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b34638a0ce0dded86b69dc2e5826a8807a8ffd71de844253264d817045661ff0
[INFO] running `Command { std: "docker" "start" "-a" "b34638a0ce0dded86b69dc2e5826a8807a8ffd71de844253264d817045661ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b34638a0ce0dded86b69dc2e5826a8807a8ffd71de844253264d817045661ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b34638a0ce0dded86b69dc2e5826a8807a8ffd71de844253264d817045661ff0", kill_on_drop: false }`
[INFO] [stdout] b34638a0ce0dded86b69dc2e5826a8807a8ffd71de844253264d817045661ff0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b80a965f286733fd3c96cb464e7c4ed325c6ee685df28a12852fff936539802d
[INFO] running `Command { std: "docker" "start" "-a" "b80a965f286733fd3c96cb464e7c4ed325c6ee685df28a12852fff936539802d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking mopa v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking atom v0.3.5
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]     Checking tuple_utils v0.3.0
[INFO] [stderr]     Checking type-name v0.1.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/type-name-0.1.0/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(core_intrinsics)]
[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 `type-name` 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" "b80a965f286733fd3c96cb464e7c4ed325c6ee685df28a12852fff936539802d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b80a965f286733fd3c96cb464e7c4ed325c6ee685df28a12852fff936539802d", kill_on_drop: false }`
[INFO] [stdout] b80a965f286733fd3c96cb464e7c4ed325c6ee685df28a12852fff936539802d
