[INFO] fetching crate tao-of-rust 1.0.2...
[INFO] documenting tao-of-rust-1.0.2 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate tao-of-rust 1.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tao-of-rust 1.0.2 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 tao-of-rust 1.0.2
[INFO] finished tweaking crates.io crate tao-of-rust 1.0.2
[INFO] tweaked toml for crates.io crate tao-of-rust 1.0.2 written to /workspace/builds/worker-6-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 failures_crate v0.1.0
[INFO] [stderr]   Downloaded csv_challenge v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7501f37eaaafa44cd93194cf7c1e574f01f1c19a4e9ca38ef3a16fb49708892e
[INFO] running `Command { std: "docker" "start" "-a" "7501f37eaaafa44cd93194cf7c1e574f01f1c19a4e9ca38ef3a16fb49708892e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7501f37eaaafa44cd93194cf7c1e574f01f1c19a4e9ca38ef3a16fb49708892e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7501f37eaaafa44cd93194cf7c1e574f01f1c19a4e9ca38ef3a16fb49708892e", kill_on_drop: false }`
[INFO] [stdout] 7501f37eaaafa44cd93194cf7c1e574f01f1c19a4e9ca38ef3a16fb49708892e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ecc8b04996fbcfc86e94016317d75003b4e52c51bcd3f968e4e55ca0501ce06d
[INFO] running `Command { std: "docker" "start" "-a" "ecc8b04996fbcfc86e94016317d75003b4e52c51bcd3f968e4e55ca0501ce06d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking csv_challenge v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking failures_crate v0.1.0
[INFO] [stderr]  Documenting tao-of-rust v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 `tao-of-rust`
[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 tao_of_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=62293e7e5f425dc8 -L dependency=/opt/rustwide/target/debug/deps --extern csv_challenge=/opt/rustwide/target/debug/deps/libcsv_challenge-cacb7d258ea022f2.rmeta --extern failures_crate=/opt/rustwide/target/debug/deps/libfailures_crate-0f1ef860781d1d65.rmeta --cap-lints=warn --crate-version 1.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ecc8b04996fbcfc86e94016317d75003b4e52c51bcd3f968e4e55ca0501ce06d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc8b04996fbcfc86e94016317d75003b4e52c51bcd3f968e4e55ca0501ce06d", kill_on_drop: false }`
[INFO] [stdout] ecc8b04996fbcfc86e94016317d75003b4e52c51bcd3f968e4e55ca0501ce06d
[INFO] documenting tao-of-rust-1.0.2 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate tao-of-rust 1.0.2 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tao-of-rust 1.0.2 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 tao-of-rust 1.0.2
[INFO] finished tweaking crates.io crate tao-of-rust 1.0.2
[INFO] tweaked toml for crates.io crate tao-of-rust 1.0.2 written to /workspace/builds/worker-6-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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1caefe353f8f74fb887569355112548b38194e44c6478ce3f096163bc2277153
[INFO] running `Command { std: "docker" "start" "-a" "1caefe353f8f74fb887569355112548b38194e44c6478ce3f096163bc2277153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1caefe353f8f74fb887569355112548b38194e44c6478ce3f096163bc2277153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1caefe353f8f74fb887569355112548b38194e44c6478ce3f096163bc2277153", kill_on_drop: false }`
[INFO] [stdout] 1caefe353f8f74fb887569355112548b38194e44c6478ce3f096163bc2277153
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e68f6232c5c09da64be71747d143aa3785f738b4d4145ba0ef3daddb1254bfb7
[INFO] running `Command { std: "docker" "start" "-a" "e68f6232c5c09da64be71747d143aa3785f738b4d4145ba0ef3daddb1254bfb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking csv_challenge v0.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking failures_crate v0.1.0
[INFO] [stderr]  Documenting tao-of-rust v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[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 `tao-of-rust`
[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 tao_of_rust src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=136d2f485d1017de -L dependency=/opt/rustwide/target/debug/deps --extern csv_challenge=/opt/rustwide/target/debug/deps/libcsv_challenge-9834459c03e276f3.rmeta --extern failures_crate=/opt/rustwide/target/debug/deps/libfailures_crate-d40dd7c0aeb4a385.rmeta --cap-lints=warn --crate-version 1.0.2` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "e68f6232c5c09da64be71747d143aa3785f738b4d4145ba0ef3daddb1254bfb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68f6232c5c09da64be71747d143aa3785f738b4d4145ba0ef3daddb1254bfb7", kill_on_drop: false }`
[INFO] [stdout] e68f6232c5c09da64be71747d143aa3785f738b4d4145ba0ef3daddb1254bfb7
