[INFO] fetching crate cargo-src 0.1.8...
[INFO] testing cargo-src-0.1.8 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate cargo-src 0.1.8 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate cargo-src 0.1.8 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 cargo-src 0.1.8
[INFO] finished tweaking crates.io crate cargo-src 0.1.8
[INFO] tweaked toml for crates.io crate cargo-src 0.1.8 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate crates.io crate cargo-src 0.1.8 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nibble_vec v0.0.4
[INFO] [stderr]   Downloaded comrak v0.2.14
[INFO] [stderr]   Downloaded rls-data v0.16.0
[INFO] [stderr]   Downloaded rls-vfs v0.4.6
[INFO] [stderr]   Downloaded rls-blacklist v0.1.3
[INFO] [stderr]   Downloaded radix_trie v0.1.5
[INFO] [stderr]   Downloaded rls-analysis v0.13.0
[INFO] [stderr]   Downloaded rls-span v0.4.1
[INFO] [stderr]   Downloaded rustdoc-highlight v0.1.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 095d1b602392b4d013c4b5aa0c11e7faed2e6d96ef3ff1c2087ceb6960cb723c
[INFO] running `Command { std: "docker" "start" "-a" "095d1b602392b4d013c4b5aa0c11e7faed2e6d96ef3ff1c2087ceb6960cb723c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "095d1b602392b4d013c4b5aa0c11e7faed2e6d96ef3ff1c2087ceb6960cb723c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095d1b602392b4d013c4b5aa0c11e7faed2e6d96ef3ff1c2087ceb6960cb723c", kill_on_drop: false }`
[INFO] [stdout] 095d1b602392b4d013c4b5aa0c11e7faed2e6d96ef3ff1c2087ceb6960cb723c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a8e4929d0813a94a4e96566ca83057992800e13460da2dbfd2b4e388e675eb3
[INFO] running `Command { std: "docker" "start" "-a" "8a8e4929d0813a94a4e96566ca83057992800e13460da2dbfd2b4e388e675eb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling slab v0.3.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling take v0.1.0
[INFO] [stderr]    Compiling try-lock v0.1.0
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling smallvec v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling mime v0.3.14
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling entities v1.0.1
[INFO] [stderr]    Compiling rls-blacklist v0.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling rls-span v0.4.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rls-data v0.16.0
[INFO] [stderr]    Compiling rls-vfs v0.4.6
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling radix_trie v0.1.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling textwrap v0.11.0
[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/rls-vfs-0.4.6/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_ascription)]
[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 `rls-vfs` 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" "8a8e4929d0813a94a4e96566ca83057992800e13460da2dbfd2b4e388e675eb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8e4929d0813a94a4e96566ca83057992800e13460da2dbfd2b4e388e675eb3", kill_on_drop: false }`
[INFO] [stdout] 8a8e4929d0813a94a4e96566ca83057992800e13460da2dbfd2b4e388e675eb3
