[INFO] fetching crate pressurize 0.0.1...
[INFO] documenting pressurize-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate pressurize 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pressurize 0.0.1 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 pressurize 0.0.1
[INFO] finished tweaking crates.io crate pressurize 0.0.1
[INFO] tweaked toml for crates.io crate pressurize 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pressurize 0.0.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.40
[INFO] [stderr]   Downloaded ctrlc v3.1.8
[INFO] [stderr]   Downloaded dogstatsd v0.6.2
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[INFO] [stderr]   Downloaded bcc v0.0.31
[INFO] [stderr]   Downloaded bcc-sys v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fc0946819cc5827541d0b2d75dd8e27493f71b96b5f646bacf7d1cfa5f2a92fc
[INFO] running `Command { std: "docker" "start" "-a" "fc0946819cc5827541d0b2d75dd8e27493f71b96b5f646bacf7d1cfa5f2a92fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc0946819cc5827541d0b2d75dd8e27493f71b96b5f646bacf7d1cfa5f2a92fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc0946819cc5827541d0b2d75dd8e27493f71b96b5f646bacf7d1cfa5f2a92fc", kill_on_drop: false }`
[INFO] [stdout] fc0946819cc5827541d0b2d75dd8e27493f71b96b5f646bacf7d1cfa5f2a92fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c4ac7618f94aa7e3f11860fa7cfc8010f2b4426055eacd5b9d757121a1115b07
[INFO] running `Command { std: "docker" "start" "-a" "c4ac7618f94aa7e3f11860fa7cfc8010f2b4426055eacd5b9d757121a1115b07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]    Compiling bcc-sys v0.18.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking dogstatsd v0.6.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking bcc v0.0.31
[INFO] [stderr]     Checking ctrlc v3.1.8
[INFO] [stderr]     Checking pressurize v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting pressurize v0.0.1 (/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(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[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 `pressurize`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name pressurize 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-4b3b63236f90b4c5.rmeta --extern bcc=/opt/rustwide/target/debug/deps/libbcc-1ee6734d5f3d2135.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-30d715d7341364a7.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-005a051602a6a946.rmeta --extern dogstatsd=/opt/rustwide/target/debug/deps/libdogstatsd-1ba3d4a160449ad0.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-be8c314c6d97e413.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-1fd3e8810d85cec6.rmeta --extern perf_event_open_sys=/opt/rustwide/target/debug/deps/libperf_event_open_sys-cc722414f8bf1b00.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `error`, `info`
[INFO] [stdout]    --> src/counters/mod.rs:114:11
[INFO] [stdout]     |
[INFO] [stdout] 114 | use log::{error, info};
[INFO] [stdout]     |           ^^^^^  ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning 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" "c4ac7618f94aa7e3f11860fa7cfc8010f2b4426055eacd5b9d757121a1115b07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ac7618f94aa7e3f11860fa7cfc8010f2b4426055eacd5b9d757121a1115b07", kill_on_drop: false }`
[INFO] [stdout] c4ac7618f94aa7e3f11860fa7cfc8010f2b4426055eacd5b9d757121a1115b07
