[INFO] cloning repository https://github.com/VukoDrakkeinen/katoptron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VukoDrakkeinen/katoptron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 21d77361ed975728bd55f2734667b862b60bc53d
[INFO] documenting VukoDrakkeinen/katoptron against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVukoDrakkeinen%2Fkatoptron" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VukoDrakkeinen/katoptron 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 git repo https://github.com/VukoDrakkeinen/katoptron
[INFO] finished tweaking git repo https://github.com/VukoDrakkeinen/katoptron
[INFO] tweaked toml for git repo https://github.com/VukoDrakkeinen/katoptron written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/VukoDrakkeinen/katoptron 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]     Updating git repository `https://github.com/withoutboats/display_derive`
[INFO] [stderr]     Updating git repository `https://github.com/rust-lang-nursery/failure/`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mac-notification-sys v0.1.3
[INFO] [stderr]   Downloaded crossbeam v0.7.1
[INFO] [stderr]   Downloaded bincode v1.1.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.29
[INFO] [stderr]   Downloaded notify-rust v3.5.0
[INFO] [stderr]   Downloaded serde v1.0.90
[INFO] [stderr]   Downloaded smallvec v0.6.3
[INFO] [stderr]   Downloaded libdbus-sys v0.1.5
[INFO] [stderr]   Downloaded pkg-config v0.3.11
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded dbus v0.6.4
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded chrono v0.4.2
[INFO] [stderr]   Downloaded backtrace v0.3.6
[INFO] [stderr]   Downloaded serde_derive v1.0.90
[INFO] [stderr]   Downloaded ron v0.4.2
[INFO] [stderr]   Downloaded synstructure v0.7.0
[INFO] [stderr]   Downloaded objc_id v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d6d1b738c2861403aeec2cbe3c3ff6d6bf23ac773c377f98fd20479e801838ac
[INFO] running `Command { std: "docker" "start" "-a" "d6d1b738c2861403aeec2cbe3c3ff6d6bf23ac773c377f98fd20479e801838ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6d1b738c2861403aeec2cbe3c3ff6d6bf23ac773c377f98fd20479e801838ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d1b738c2861403aeec2cbe3c3ff6d6bf23ac773c377f98fd20479e801838ac", kill_on_drop: false }`
[INFO] [stdout] d6d1b738c2861403aeec2cbe3c3ff6d6bf23ac773c377f98fd20479e801838ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d3b75e71fd5134c7b3073061bff2b4c11705241773ddecc6162a16e2112c12f0
[INFO] running `Command { std: "docker" "start" "-a" "d3b75e71fd5134c7b3073061bff2b4c11705241773ddecc6162a16e2112c12f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling libdbus-sys v0.1.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking smallvec v0.6.3
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling display_derive v1.0.0 (https://github.com/withoutboats/display_derive#5d6bac2f)
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking dbus v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking crossbeam v0.7.1
[INFO] [stderr]    Compiling synstructure v0.7.0
[INFO] [stderr]    Compiling failure_derive v1.0.0 (https://github.com/rust-lang-nursery/failure/#fa39406f)
[INFO] [stderr]     Checking failure v1.0.0 (https://github.com/rust-lang-nursery/failure/#fa39406f)
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling wstr_macro v0.1.0 (/opt/rustwide/workdir/wstr_macro)
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking notify-rust v3.5.0
[INFO] [stderr]     Checking bincode v1.1.3
[INFO] [stderr]     Checking ron v0.4.2
[INFO] [stderr]     Checking katoptron v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting katoptron v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:25:29
[INFO] [stdout]    |
[INFO] [stdout] 25 |     Generic(#[fail(cause)] Box<Fail>, TxErrorKind),
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:60:29
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Generic(#[fail(cause)] Box<Fail>, RecvErrorKind),
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 |     Generic(#[fail(cause)] Box<Fail>, SendErrorKind),
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:114:15
[INFO] [stdout]     |
[INFO] [stdout] 114 |     context: Box<Display + Send + Sync + 'static>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Display + Send + Sync + 'static`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/errors.rs:161:30
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut current = self as &Fail;
[INFO] [stdout]     |                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `katoptron`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name katoptron src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-c8bdc91dfaa2ae08.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-da89145079f6550a.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-498a7c524a57cb0b.rmeta --extern crossbeam=/opt/rustwide/target/debug/deps/libcrossbeam-0afedf0bc3c3ad25.rmeta --extern dbus=/opt/rustwide/target/debug/deps/libdbus-79cfeae8457afaf3.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-00867221cb502744.rmeta --extern display_derive=/opt/rustwide/target/debug/deps/libdisplay_derive-f7d9519d6167afa7.so --extern failure=/opt/rustwide/target/debug/deps/libfailure-ef426c7fbdc33770.rmeta --extern failure_derive=/opt/rustwide/target/debug/deps/libfailure_derive-237e742f06b8294a.so --extern hostname=/opt/rustwide/target/debug/deps/libhostname-5ef29355a1a64c2b.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-d19e3f3ac30cc604.rmeta --extern notify_rust=/opt/rustwide/target/debug/deps/libnotify_rust-7db40e1ad3c88779.rmeta --extern ron=/opt/rustwide/target/debug/deps/libron-7725ca0a236275fc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4c833cca62cc9cf7.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-9c3d3bd81391aef2.so --extern wstr_macro=/opt/rustwide/target/debug/deps/libwstr_macro-d6a586bb1806a746.so --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d3b75e71fd5134c7b3073061bff2b4c11705241773ddecc6162a16e2112c12f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b75e71fd5134c7b3073061bff2b4c11705241773ddecc6162a16e2112c12f0", kill_on_drop: false }`
[INFO] [stdout] d3b75e71fd5134c7b3073061bff2b4c11705241773ddecc6162a16e2112c12f0
