[INFO] fetching crate hars 0.1.0...
[INFO] documenting hars-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate hars 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate hars 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 hars 0.1.0
[INFO] finished tweaking crates.io crate hars 0.1.0
[INFO] tweaked toml for crates.io crate hars 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate hars 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]     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 cookie_store v0.10.0
[INFO] [stderr]   Downloaded indexmap v1.3.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.7
[INFO] [stderr]   Downloaded pin-project v0.4.7
[INFO] [stderr]   Downloaded bincode v1.2.1
[INFO] [stderr]   Downloaded serde_json v1.0.45
[INFO] [stderr]   Downloaded reqwest v0.10.1
[INFO] [stderr]   Downloaded tokio v0.2.10
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a1170849fdaf2b7fc2e3bbfd635cbdf4c2139a3aa9f607cdfbf2a08358abbe81
[INFO] running `Command { std: "docker" "start" "-a" "a1170849fdaf2b7fc2e3bbfd635cbdf4c2139a3aa9f607cdfbf2a08358abbe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1170849fdaf2b7fc2e3bbfd635cbdf4c2139a3aa9f607cdfbf2a08358abbe81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1170849fdaf2b7fc2e3bbfd635cbdf4c2139a3aa9f607cdfbf2a08358abbe81", kill_on_drop: false }`
[INFO] [stdout] a1170849fdaf2b7fc2e3bbfd635cbdf4c2139a3aa9f607cdfbf2a08358abbe81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] adf2d9a6f886505b534768cb30af54fac40be451611d0de96d587aefae645d9d
[INFO] running `Command { std: "docker" "start" "-a" "adf2d9a6f886505b534768cb30af54fac40be451611d0de96d587aefae645d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking smallvec v1.1.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking console v0.9.2
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking cookie_store v0.10.0
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]  Documenting hars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[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 `hars`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name hars src/main.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-c7dcdafc34dac422.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-52695f0c31f35e07.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-99a1b94d073a7f29.rmeta --extern console=/opt/rustwide/target/debug/deps/libconsole-956290c471269174.rmeta --extern directories=/opt/rustwide/target/debug/deps/libdirectories-965ca396645d8b3f.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-e296a1585dfcd00f.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-4f53ef94f15bca65.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-bf0f1681d588dcfc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-5132fca569f43d44.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5c81b6fa0ad711fe.rmeta --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-98cfee2a10aadf5e.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1e8a1e4696c80069.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-4c148643d932114e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "adf2d9a6f886505b534768cb30af54fac40be451611d0de96d587aefae645d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf2d9a6f886505b534768cb30af54fac40be451611d0de96d587aefae645d9d", kill_on_drop: false }`
[INFO] [stdout] adf2d9a6f886505b534768cb30af54fac40be451611d0de96d587aefae645d9d
