[INFO] fetching crate ipc 0.2.0...
[INFO] documenting ipc-0.2.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate ipc 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ipc 0.2.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipc 0.2.0
[INFO] finished tweaking crates.io crate ipc 0.2.0
[INFO] tweaked toml for crates.io crate ipc 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rmp-serde v0.13.7
[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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394b0504837abadd4cf5ba170af205a8439671a4be45daf32caf6b957cb7e505
[INFO] running `Command { std: "docker" "start" "-a" "394b0504837abadd4cf5ba170af205a8439671a4be45daf32caf6b957cb7e505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394b0504837abadd4cf5ba170af205a8439671a4be45daf32caf6b957cb7e505", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394b0504837abadd4cf5ba170af205a8439671a4be45daf32caf6b957cb7e505", kill_on_drop: false }`
[INFO] [stdout] 394b0504837abadd4cf5ba170af205a8439671a4be45daf32caf6b957cb7e505
[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" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c90604fac216c4fed386c77e8ad6f1d60151cc4ca845bc30310203fe45ed37
[INFO] running `Command { std: "docker" "start" "-a" "71c90604fac216c4fed386c77e8ad6f1d60151cc4ca845bc30310203fe45ed37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]  Documenting ipc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
[INFO] [stdout]   |                                                 ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[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 `ipc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name ipc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=7fa13a3e2346a20f -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-45a10f53aca908f9.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-90dcd21b8f97cd2f.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-c2b9fe8f0bb60ac5.rmeta --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-a8de518878ee66ea.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-08aa3493627b02f1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-0b49630d2397a612.so --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-1634cdc998e912c0.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "71c90604fac216c4fed386c77e8ad6f1d60151cc4ca845bc30310203fe45ed37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c90604fac216c4fed386c77e8ad6f1d60151cc4ca845bc30310203fe45ed37", kill_on_drop: false }`
[INFO] [stdout] 71c90604fac216c4fed386c77e8ad6f1d60151cc4ca845bc30310203fe45ed37
[INFO] documenting ipc-0.2.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate ipc 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ipc 0.2.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ipc 0.2.0
[INFO] finished tweaking crates.io crate ipc 0.2.0
[INFO] tweaked toml for crates.io crate ipc 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8497906614d19e167ed1d5553111b7cd359117c32b7b42ee7ce43d3812c8fbcd
[INFO] running `Command { std: "docker" "start" "-a" "8497906614d19e167ed1d5553111b7cd359117c32b7b42ee7ce43d3812c8fbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8497906614d19e167ed1d5553111b7cd359117c32b7b42ee7ce43d3812c8fbcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8497906614d19e167ed1d5553111b7cd359117c32b7b42ee7ce43d3812c8fbcd", kill_on_drop: false }`
[INFO] [stdout] 8497906614d19e167ed1d5553111b7cd359117c32b7b42ee7ce43d3812c8fbcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30d07e4aba105a5c2e0769b682df3ac9afc1eca5f70726d48d8d600e538eda63
[INFO] running `Command { std: "docker" "start" "-a" "30d07e4aba105a5c2e0769b682df3ac9afc1eca5f70726d48d8d600e538eda63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]  Documenting ipc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:49
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro, conservative_impl_trait, generators)]
[INFO] [stdout]   |                                                 ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `coroutines`
[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 `ipc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --crate-type lib --crate-name ipc src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=94c9542528b25aaf -L dependency=/opt/rustwide/target/debug/deps --extern futures=/opt/rustwide/target/debug/deps/libfutures-4dcad6df17903052.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-59b333488aae36e8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-253dd6813867a002.rmeta --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-46c006a7bfe1ef50.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-cb8d92c573332174.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-0f870b815e099ddf.so --extern tokio_io=/opt/rustwide/target/debug/deps/libtokio_io-da440b45e7665a60.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "30d07e4aba105a5c2e0769b682df3ac9afc1eca5f70726d48d8d600e538eda63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30d07e4aba105a5c2e0769b682df3ac9afc1eca5f70726d48d8d600e538eda63", kill_on_drop: false }`
[INFO] [stdout] 30d07e4aba105a5c2e0769b682df3ac9afc1eca5f70726d48d8d600e538eda63
