[INFO] fetching crate ninjars 0.1.0...
[INFO] documenting ninjars-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate ninjars 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ninjars 0.1.0 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 ninjars 0.1.0
[INFO] finished tweaking crates.io crate ninjars 0.1.0
[INFO] tweaked toml for crates.io crate ninjars 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate ninjars 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded ninja-parse v0.1.0
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded futures-macro v0.3.5
[INFO] [stderr]   Downloaded futures-executor v0.3.5
[INFO] [stderr]   Downloaded futures-channel v0.3.5
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded futures-io v0.3.5
[INFO] [stderr]   Downloaded futures-task v0.3.5
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded futures-sink v0.3.5
[INFO] [stderr]   Downloaded futures-util v0.3.5
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.18
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded tokio v0.2.22
[INFO] [stderr]   Downloaded mio v0.6.22
[INFO] [stderr]   Downloaded async-trait v0.1.39
[INFO] [stderr]   Downloaded futures v0.3.5
[INFO] [stderr]   Downloaded libc v0.2.76
[INFO] [stderr]   Downloaded ninja-metrics v0.2.0
[INFO] [stderr]   Downloaded ninja-builder v0.1.0
[INFO] [stderr]   Downloaded miow v0.3.5
[INFO] [stderr]   Downloaded pin-project-lite v0.1.7
[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded indexmap v1.5.1
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded futures-core v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 71ec4a9ad641bd2fb61597c1a09ea480ce21eaa0ad3545acb68c950faf5817aa
[INFO] running `Command { std: "docker" "start" "-a" "71ec4a9ad641bd2fb61597c1a09ea480ce21eaa0ad3545acb68c950faf5817aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71ec4a9ad641bd2fb61597c1a09ea480ce21eaa0ad3545acb68c950faf5817aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ec4a9ad641bd2fb61597c1a09ea480ce21eaa0ad3545acb68c950faf5817aa", kill_on_drop: false }`
[INFO] [stdout] 71ec4a9ad641bd2fb61597c1a09ea480ce21eaa0ad3545acb68c950faf5817aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] cb302837a81cbf157352b8da337393751ab7b39ab31578e5dbff227dd52d820c
[INFO] running `Command { std: "docker" "start" "-a" "cb302837a81cbf157352b8da337393751ab7b39ab31578e5dbff227dd52d820c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking ninja-metrics v0.2.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.39
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking ninja-parse v0.1.0
[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/ninja-parse-0.1.0/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(is_sorted)]
[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 `ninja-parse` 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" "cb302837a81cbf157352b8da337393751ab7b39ab31578e5dbff227dd52d820c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb302837a81cbf157352b8da337393751ab7b39ab31578e5dbff227dd52d820c", kill_on_drop: false }`
[INFO] [stdout] cb302837a81cbf157352b8da337393751ab7b39ab31578e5dbff227dd52d820c
