[INFO] fetching crate victor 0.0.1...
[INFO] documenting victor-0.0.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate victor 0.0.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate victor 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 victor 0.0.1
[INFO] finished tweaking crates.io crate victor 0.0.1
[INFO] tweaked toml for crates.io crate victor 0.0.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 smallvec v0.1.8
[INFO] [stderr]   Downloaded string_cache v0.2.29
[INFO] [stderr]   Downloaded selectors v0.5.9
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded debug_unreachable v0.1.1
[INFO] [stderr]   Downloaded cssparser v0.5.8
[INFO] [stderr]   Downloaded quickersort v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] d726c7cd14440b1074b06c3d6ee22438d432734ce5dda7fb549a51e831b3b023
[INFO] running `Command { std: "docker" "start" "-a" "d726c7cd14440b1074b06c3d6ee22438d432734ce5dda7fb549a51e831b3b023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d726c7cd14440b1074b06c3d6ee22438d432734ce5dda7fb549a51e831b3b023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d726c7cd14440b1074b06c3d6ee22438d432734ce5dda7fb549a51e831b3b023", kill_on_drop: false }`
[INFO] [stdout] d726c7cd14440b1074b06c3d6ee22438d432734ce5dda7fb549a51e831b3b023
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 2e5e2dc0af4ee4d6b64589ccb082282f7dcc1925cfc454d90be0826d9b5855fa
[INFO] running `Command { std: "docker" "start" "-a" "2e5e2dc0af4ee4d6b64589ccb082282f7dcc1925cfc454d90be0826d9b5855fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking debug_unreachable v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking cssparser v0.5.8
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking quickersort v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]     Checking selectors v0.5.9
[INFO] [stderr]  Documenting victor v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(dropck_parametricity)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `unsafe_destructor_blind_to_params` in this scope
[INFO] [stdout]   --> src/arena.rs:71:7
[INFO] [stdout]    |
[INFO] [stdout] 71 |     #[unsafe_destructor_blind_to_params]
[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(dropck_parametricity)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `victor`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name victor 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 cssparser=/opt/rustwide/target/debug/deps/libcssparser-839da2b9b511cada.rmeta --extern matches=/opt/rustwide/target/debug/deps/libmatches-5c406252a2cbd644.rmeta --extern selectors=/opt/rustwide/target/debug/deps/libselectors-69edce8495dbadba.rmeta --extern string_cache=/opt/rustwide/target/debug/deps/libstring_cache-c973bd7e478fa456.rmeta --extern xml=/opt/rustwide/target/debug/deps/libxml-5b4b84f7203e1ab0.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2e5e2dc0af4ee4d6b64589ccb082282f7dcc1925cfc454d90be0826d9b5855fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e5e2dc0af4ee4d6b64589ccb082282f7dcc1925cfc454d90be0826d9b5855fa", kill_on_drop: false }`
[INFO] [stdout] 2e5e2dc0af4ee4d6b64589ccb082282f7dcc1925cfc454d90be0826d9b5855fa
