[INFO] fetching crate xmail 0.1.5...
[INFO] documenting xmail-0.1.5 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate xmail 0.1.5 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate xmail 0.1.5 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 xmail 0.1.5
[INFO] finished tweaking crates.io crate xmail 0.1.5
[INFO] tweaked toml for crates.io crate xmail 0.1.5 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 punycode v0.4.1
[INFO] [stderr]   Downloaded psl v2.1.25
[INFO] [stderr]   Downloaded xstr v0.1.10
[INFO] [stderr]   Downloaded xtld v0.1.1
[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] 7f3e5161d3784660c8abc1e35daec786a77473fed8189a9ff0491ad5c4454c51
[INFO] running `Command { std: "docker" "start" "-a" "7f3e5161d3784660c8abc1e35daec786a77473fed8189a9ff0491ad5c4454c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3e5161d3784660c8abc1e35daec786a77473fed8189a9ff0491ad5c4454c51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3e5161d3784660c8abc1e35daec786a77473fed8189a9ff0491ad5c4454c51", kill_on_drop: false }`
[INFO] [stdout] 7f3e5161d3784660c8abc1e35daec786a77473fed8189a9ff0491ad5c4454c51
[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] 943b8397651bf7edafa05023dcd9fff179cab3ecebe21a1c76e1b9f76c4e2f0b
[INFO] running `Command { std: "docker" "start" "-a" "943b8397651bf7edafa05023dcd9fff179cab3ecebe21a1c76e1b9f76c4e2f0b", kill_on_drop: false }`
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking xstr v0.1.10
[INFO] [stderr]     Checking punycode v0.4.1
[INFO] [stderr]     Checking psl v2.1.25
[INFO] [stderr]     Checking xtld v0.1.1
[INFO] [stderr]  Documenting xmail v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `xstr::truncate255`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use xstr::truncate255 as truncate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `truncate255` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `xmail`
[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 --edition=2021 --crate-type lib --crate-name xmail src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=2c7e2f090f541dc3 -L dependency=/opt/rustwide/target/debug/deps --extern punycode=/opt/rustwide/target/debug/deps/libpunycode-fac4332f23f9ff19.rmeta --extern xstr=/opt/rustwide/target/debug/deps/libxstr-ce0492bb0c0d0a36.rmeta --extern xtld=/opt/rustwide/target/debug/deps/libxtld-b0b8ff5c6b7f0cb9.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "943b8397651bf7edafa05023dcd9fff179cab3ecebe21a1c76e1b9f76c4e2f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "943b8397651bf7edafa05023dcd9fff179cab3ecebe21a1c76e1b9f76c4e2f0b", kill_on_drop: false }`
[INFO] [stdout] 943b8397651bf7edafa05023dcd9fff179cab3ecebe21a1c76e1b9f76c4e2f0b
[INFO] documenting xmail-0.1.5 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate xmail 0.1.5 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate xmail 0.1.5 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 xmail 0.1.5
[INFO] finished tweaking crates.io crate xmail 0.1.5
[INFO] tweaked toml for crates.io crate xmail 0.1.5 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] 0f87108082bf83e17cbac45872530576205db29c752f0702628cca005ac1872b
[INFO] running `Command { std: "docker" "start" "-a" "0f87108082bf83e17cbac45872530576205db29c752f0702628cca005ac1872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f87108082bf83e17cbac45872530576205db29c752f0702628cca005ac1872b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f87108082bf83e17cbac45872530576205db29c752f0702628cca005ac1872b", kill_on_drop: false }`
[INFO] [stdout] 0f87108082bf83e17cbac45872530576205db29c752f0702628cca005ac1872b
[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] f90bba3ecc079b89ed31c74ea42ef9ae7dff5c1a23c73b4ae910008744c13c26
[INFO] running `Command { std: "docker" "start" "-a" "f90bba3ecc079b89ed31c74ea42ef9ae7dff5c1a23c73b4ae910008744c13c26", kill_on_drop: false }`
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking xstr v0.1.10
[INFO] [stderr]     Checking punycode v0.4.1
[INFO] [stderr]     Checking psl v2.1.25
[INFO] [stderr]     Checking xtld v0.1.1
[INFO] [stderr]  Documenting xmail v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `xstr::truncate255`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use xstr::truncate255 as truncate;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `truncate255` in the root
[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(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `xmail`
[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 --edition=2021 --crate-type lib --crate-name xmail src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=63b5dd0ce798568f -L dependency=/opt/rustwide/target/debug/deps --extern punycode=/opt/rustwide/target/debug/deps/libpunycode-9e3a4486db62c57b.rmeta --extern xstr=/opt/rustwide/target/debug/deps/libxstr-40ee636bdbd52f4f.rmeta --extern xtld=/opt/rustwide/target/debug/deps/libxtld-695355a930d7a21e.rmeta --cap-lints=warn --crate-version 0.1.5` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "f90bba3ecc079b89ed31c74ea42ef9ae7dff5c1a23c73b4ae910008744c13c26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90bba3ecc079b89ed31c74ea42ef9ae7dff5c1a23c73b4ae910008744c13c26", kill_on_drop: false }`
[INFO] [stdout] f90bba3ecc079b89ed31c74ea42ef9ae7dff5c1a23c73b4ae910008744c13c26
