[INFO] fetching crate flowstdlib 0.142.0...
[INFO] documenting flowstdlib-0.142.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate flowstdlib 0.142.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flowstdlib 0.142.0 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 flowstdlib 0.142.0
[INFO] finished tweaking crates.io crate flowstdlib 0.142.0
[INFO] tweaked toml for crates.io crate flowstdlib 0.142.0 written to /workspace/builds/worker-2-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 flowmacro v0.142.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.10
[INFO] [stderr]   Downloaded simpath v2.5.0
[INFO] [stderr]   Downloaded flowcore v0.142.0
[INFO] [stderr]   Downloaded serde_yaml v0.9.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] acad78dc3ee7954182cbbc12e657855721c46f7fb57505fa4db12c9ec9e1c788
[INFO] running `Command { std: "docker" "start" "-a" "acad78dc3ee7954182cbbc12e657855721c46f7fb57505fa4db12c9ec9e1c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acad78dc3ee7954182cbbc12e657855721c46f7fb57505fa4db12c9ec9e1c788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acad78dc3ee7954182cbbc12e657855721c46f7fb57505fa4db12c9ec9e1c788", kill_on_drop: false }`
[INFO] [stdout] acad78dc3ee7954182cbbc12e657855721c46f7fb57505fa4db12c9ec9e1c788
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d7af684b90330fa0288ab6b9dab5d97a170421506be515e407519c855add5ed
[INFO] running `Command { std: "docker" "start" "-a" "8d7af684b90330fa0288ab6b9dab5d97a170421506be515e407519c855add5ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling winnow v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.10
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_yaml v0.9.31
[INFO] [stderr]     Checking toml_edit v0.22.5
[INFO] [stderr]     Checking simpath v2.5.0
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking flowcore v0.142.0
[INFO] [stderr]    Compiling flowmacro v0.142.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flowmacro-0.142.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowmacro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8d7af684b90330fa0288ab6b9dab5d97a170421506be515e407519c855add5ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d7af684b90330fa0288ab6b9dab5d97a170421506be515e407519c855add5ed", kill_on_drop: false }`
[INFO] [stdout] 8d7af684b90330fa0288ab6b9dab5d97a170421506be515e407519c855add5ed
[INFO] documenting flowstdlib-0.142.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate flowstdlib 0.142.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate flowstdlib 0.142.0 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 flowstdlib 0.142.0
[INFO] finished tweaking crates.io crate flowstdlib 0.142.0
[INFO] tweaked toml for crates.io crate flowstdlib 0.142.0 written to /workspace/builds/worker-2-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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] cb7963707eb8c07e7404f8015295b697dbe8cb0b905953d2b9985bedfdf93b63
[INFO] running `Command { std: "docker" "start" "-a" "cb7963707eb8c07e7404f8015295b697dbe8cb0b905953d2b9985bedfdf93b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7963707eb8c07e7404f8015295b697dbe8cb0b905953d2b9985bedfdf93b63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7963707eb8c07e7404f8015295b697dbe8cb0b905953d2b9985bedfdf93b63", kill_on_drop: false }`
[INFO] [stdout] cb7963707eb8c07e7404f8015295b697dbe8cb0b905953d2b9985bedfdf93b63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] c84d40313940228ced20c6d5d75b9770ffa9ce3f44b8549d9432cc26fc544d83
[INFO] running `Command { std: "docker" "start" "-a" "c84d40313940228ced20c6d5d75b9770ffa9ce3f44b8549d9432cc26fc544d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling curl v0.4.46
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling gimli v0.28.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling libz-sys v1.1.15
[INFO] [stderr]    Compiling curl-sys v0.4.72+curl-8.6.0
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling openssl-sys v0.9.99
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling winnow v0.6.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]     Checking indexmap v2.2.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling addr2line v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking serde_yaml v0.9.31
[INFO] [stderr]     Checking toml_edit v0.22.5
[INFO] [stderr]     Checking simpath v2.5.0
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking flowcore v0.142.0
[INFO] [stderr]    Compiling flowmacro v0.142.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/flowmacro-0.142.0/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_span)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flowmacro` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c84d40313940228ced20c6d5d75b9770ffa9ce3f44b8549d9432cc26fc544d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84d40313940228ced20c6d5d75b9770ffa9ce3f44b8549d9432cc26fc544d83", kill_on_drop: false }`
[INFO] [stdout] c84d40313940228ced20c6d5d75b9770ffa9ce3f44b8549d9432cc26fc544d83
