[INFO] fetching crate tr-lang 0.4.0...
[INFO] documenting tr-lang-0.4.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate tr-lang 0.4.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate tr-lang 0.4.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-28/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tr-lang 0.4.0
[INFO] finished tweaking crates.io crate tr-lang 0.4.0
[INFO] tweaked toml for crates.io crate tr-lang 0.4.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate tr-lang 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d1fe0552d25240939af8dbf4bcce9b811e0ae251f02661cc2c2c9d991d40133
[INFO] running `Command { std: "docker" "start" "-a" "3d1fe0552d25240939af8dbf4bcce9b811e0ae251f02661cc2c2c9d991d40133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d1fe0552d25240939af8dbf4bcce9b811e0ae251f02661cc2c2c9d991d40133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d1fe0552d25240939af8dbf4bcce9b811e0ae251f02661cc2c2c9d991d40133", kill_on_drop: false }`
[INFO] [stdout] 3d1fe0552d25240939af8dbf4bcce9b811e0ae251f02661cc2c2c9d991d40133
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 634975d60b7dbd6335ce86bcf783fa5b8d3df5fb3255ea2e9babf070ec77dacc
[INFO] running `Command { std: "docker" "start" "-a" "634975d60b7dbd6335ce86bcf783fa5b8d3df5fb3255ea2e9babf070ec77dacc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `tr-lang` in package `tr-lang v0.4.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `tr_lang` in package `tr-lang v0.4.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/tr_lang/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.62.0-beta.2 (3f052d8ee 2022-05-12) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "tr-lang", version: "0.4.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "tr-lang", doc: true, ..: with_path("/opt/rustwide/workdir/src/main.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: ["default", "interactive", "lazy_static", "regex", "rustyline"], artifact: false, is_std: false, dep_hash: 15125809929702689482 }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "tr-lang", version: "0.4.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("tr_lang", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { incremental: false, ..: default_dev() }, kind: Host, mode: Doc { deps: false }, features: ["default", "interactive", "lazy_static", "regex", "rustyline"], artifact: false, is_std: false, dep_hash: 6326465610525738366 }
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling io-lifetimes v0.4.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling rustix v0.32.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]     Checking linux-raw-sys v0.0.37
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking fd-lock v3.0.3
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]    Compiling tr-lang v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustyline v9.1.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]  Documenting tr-lang v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 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 `tr-lang` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 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 document `tr-lang`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name tr_lang src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --cfg 'feature="interactive"' --cfg 'feature="lazy_static"' --cfg 'feature="regex"' --cfg 'feature="rustyline"' --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=f748a2f7b1974c91 -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-6ffbdb4712276cf2.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-701e134f05ff346a.rmeta --extern locale_config=/opt/rustwide/target/debug/deps/liblocale_config-4879e1eb9839d9bf.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-93251fd65088a55f.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-22cde5a59a781214.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6d02f4e9ad3aee15.rmeta --cap-lints=warn --crate-version 0.4.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "634975d60b7dbd6335ce86bcf783fa5b8d3df5fb3255ea2e9babf070ec77dacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634975d60b7dbd6335ce86bcf783fa5b8d3df5fb3255ea2e9babf070ec77dacc", kill_on_drop: false }`
[INFO] [stdout] 634975d60b7dbd6335ce86bcf783fa5b8d3df5fb3255ea2e9babf070ec77dacc