[INFO] cloning repository https://github.com/mrobakowski/odra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrobakowski/odra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Fodra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Fodra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8f86a340dfd9cfb4df1767befeb802374b706c5
[INFO] documenting mrobakowski/odra against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Fodra" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrobakowski/odra on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrobakowski/odra
[INFO] finished tweaking git repo https://github.com/mrobakowski/odra
[INFO] tweaked toml for git repo https://github.com/mrobakowski/odra written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/mrobakowski/odra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded error-code v2.3.0
[INFO] [stderr]   Downloaded linkme v0.2.6
[INFO] [stderr]   Downloaded nix v0.22.1
[INFO] [stderr]   Downloaded linkme-impl v0.2.6
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded fd-lock v3.0.0
[INFO] [stderr]   Downloaded rustyline v9.0.0
[INFO] [stderr]   Downloaded compact_str v0.1.0
[INFO] [stderr]   Downloaded gcmodule_derive v0.3.3
[INFO] [stderr]   Downloaded gcmodule v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 251575dd4511c4f41341ee12415313c2e015f44160286c16a67e8dd1220e75fc
[INFO] running `Command { std: "docker" "start" "-a" "251575dd4511c4f41341ee12415313c2e015f44160286c16a67e8dd1220e75fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "251575dd4511c4f41341ee12415313c2e015f44160286c16a67e8dd1220e75fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251575dd4511c4f41341ee12415313c2e015f44160286c16a67e8dd1220e75fc", kill_on_drop: false }`
[INFO] [stdout] 251575dd4511c4f41341ee12415313c2e015f44160286c16a67e8dd1220e75fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 756846187faba22ee6caceb3fe1e87c0ac4752e68c4c9257448d8fa815b4fed3
[INFO] running `Command { std: "docker" "start" "-a" "756846187faba22ee6caceb3fe1e87c0ac4752e68c4c9257448d8fa815b4fed3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.19
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]     Checking object v0.26.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.20
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.22.1
[INFO] [stderr]     Checking fd-lock v3.0.0
[INFO] [stderr]     Checking compact_str v0.1.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rustyline v9.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling gcmodule_derive v0.3.3
[INFO] [stderr]    Compiling linkme-impl v0.2.6
[INFO] [stderr]     Checking gcmodule v0.3.3
[INFO] [stderr]     Checking linkme v0.2.6
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking proc-macro-crate v1.1.0
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]  Documenting macros v0.0.0 (/opt/rustwide/workdir/crates/macros)
[INFO] [stderr]    Compiling macros v0.0.0 (/opt/rustwide/workdir/crates/macros)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/macros/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_else)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `macros`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type proc-macro --crate-name macros crates/macros/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=da8554668e510667 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_crate=/opt/rustwide/target/debug/deps/libproc_macro_crate-e33176fe28766704.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f7bdf1ac4fae91f9.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-48e3b699153f2ed0.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-fc8452632d143a25.rmeta --extern proc_macro --cap-lints=warn --crate-version 0.0.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> crates/macros/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_else)]
[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 `macros` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "756846187faba22ee6caceb3fe1e87c0ac4752e68c4c9257448d8fa815b4fed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "756846187faba22ee6caceb3fe1e87c0ac4752e68c4c9257448d8fa815b4fed3", kill_on_drop: false }`
[INFO] [stdout] 756846187faba22ee6caceb3fe1e87c0ac4752e68c4c9257448d8fa815b4fed3