[INFO] fetching crate discrab 0.5.0...
[INFO] documenting discrab-0.5.0 against 1.75.0 for beta-1.76-rustdoc-1
[INFO] extracting crate discrab 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate discrab 0.5.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate discrab 0.5.0
[INFO] finished tweaking crates.io crate discrab 0.5.0
[INFO] tweaked toml for crates.io crate discrab 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate discrab 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded futures-sink v0.3.19
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded tokio-macros v1.5.1
[INFO] [stderr]   Downloaded futures-channel v0.3.19
[INFO] [stderr]   Downloaded openssl-probe v0.1.4
[INFO] [stderr]   Downloaded paste v1.0.7
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] [stderr]   Downloaded futures-macro v0.3.19
[INFO] [stderr]   Downloaded tracing-core v0.1.21
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded h2 v0.3.7
[INFO] [stderr]   Downloaded futures-util v0.3.19
[INFO] [stderr]   Downloaded async-std v1.10.0
[INFO] [stderr]   Downloaded libc v0.2.107
[INFO] [stderr]   Downloaded http v0.2.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.70
[INFO] [stderr]   Downloaded serde_json v1.0.69
[INFO] [stderr]   Downloaded tracing v0.1.29
[INFO] [stderr]   Downloaded web-sys v0.3.55
[INFO] [stderr]   Downloaded discrab_codegen v0.5.0
[INFO] [stderr]   Downloaded tokio v1.13.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.78
[INFO] [stderr]   Downloaded socket2 v0.4.2
[INFO] [stderr]   Downloaded security-framework v2.4.2
[INFO] [stderr]   Downloaded js-sys v0.3.55
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded cc v1.0.71
[INFO] [stderr]   Downloaded bumpalo v3.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.78
[INFO] [stderr]   Downloaded cpufeatures v0.2.1
[INFO] [stderr]   Downloaded hyper v0.14.14
[INFO] [stderr]   Downloaded polling v2.1.0
[INFO] [stderr]   Downloaded async-lock v2.4.0
[INFO] [stderr]   Downloaded ctor v0.1.21
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded serde_repr v0.1.7
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]   Downloaded httparse v1.5.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.78
[INFO] [stderr]   Downloaded futures-task v0.3.19
[INFO] [stderr]   Downloaded futures-io v0.3.19
[INFO] [stderr]   Downloaded futures-core v0.3.19
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.28
[INFO] [stderr]   Downloaded security-framework-sys v2.4.2
[INFO] [stderr]   Downloaded core-foundation v0.9.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.78
[INFO] [stderr]   Downloaded httpdate v1.0.1
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.8
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 226950ea67f8f4f45b1f518103f7012b81bd4b326827b6077a6c4af956702e3f
[INFO] running `Command { std: "docker" "start" "-a" "226950ea67f8f4f45b1f518103f7012b81bd4b326827b6077a6c4af956702e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "226950ea67f8f4f45b1f518103f7012b81bd4b326827b6077a6c4af956702e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226950ea67f8f4f45b1f518103f7012b81bd4b326827b6077a6c4af956702e3f", kill_on_drop: false }`
[INFO] [stdout] 226950ea67f8f4f45b1f518103f7012b81bd4b326827b6077a6c4af956702e3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fe5a3efef54b331e65dd6edbf8ca7fac5a189a5e8533fc96df08c664efabeaf
[INFO] running `Command { std: "docker" "start" "-a" "8fe5a3efef54b331e65dd6edbf8ca7fac5a189a5e8533fc96df08c664efabeaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.70
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling paste v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling discrab_codegen v0.5.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tungstenite v0.16.0
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking tokio-tungstenite v0.16.1
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]  Documenting discrab v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed due to unsolved ergonomic questions and added lifetime resolution complexity
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `discrab`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type lib --crate-name discrab src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=53478080d06b3106 -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-194a4a50cea57f97.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-a3bd57129372b5f5.so --extern bitfield=/opt/rustwide/target/debug/deps/libbitfield-31623f3c51f01853.rmeta --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-c0bd97bdb7c1fbd1.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-d7d9a806e8a9672c.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-7ed9bdb2e7e8def0.rmeta --extern discrab_codegen=/opt/rustwide/target/debug/deps/libdiscrab_codegen-4fb5551d342af4de.so --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-fb7d924be5a64dee.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-17c8b463269750da.rmeta --extern hyper_tls=/opt/rustwide/target/debug/deps/libhyper_tls-81095647aa2b774f.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-fec6d297b0d79b50.so --extern serde=/opt/rustwide/target/debug/deps/libserde-c1574a679fe69519.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-e9104220a09c8039.rmeta --extern serde_repr=/opt/rustwide/target/debug/deps/libserde_repr-a42987a48abf7d3e.so --extern termcolor=/opt/rustwide/target/debug/deps/libtermcolor-fb340358a0923434.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-8840470afc5f8b15.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-fa3dc0b4f568f59b.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-56323619228b2172.rmeta --cap-lints=warn --crate-version 0.5.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "8fe5a3efef54b331e65dd6edbf8ca7fac5a189a5e8533fc96df08c664efabeaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fe5a3efef54b331e65dd6edbf8ca7fac5a189a5e8533fc96df08c664efabeaf", kill_on_drop: false }`
[INFO] [stdout] 8fe5a3efef54b331e65dd6edbf8ca7fac5a189a5e8533fc96df08c664efabeaf
