[INFO] fetching crate otter-nodejs-tests 0.7.3...
[INFO] documenting otter-nodejs-tests-0.7.3 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate otter-nodejs-tests 0.7.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate otter-nodejs-tests 0.7.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate otter-nodejs-tests 0.7.3
[INFO] finished tweaking crates.io crate otter-nodejs-tests 0.7.3
[INFO] tweaked toml for crates.io crate otter-nodejs-tests 0.7.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate otter-nodejs-tests 0.7.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3551836270e73e00fb66182dbaaba988c657370791aa6affc95d954c5802d338
[INFO] running `Command { std: "docker" "start" "-a" "3551836270e73e00fb66182dbaaba988c657370791aa6affc95d954c5802d338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3551836270e73e00fb66182dbaaba988c657370791aa6affc95d954c5802d338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3551836270e73e00fb66182dbaaba988c657370791aa6affc95d954c5802d338", kill_on_drop: false }`
[INFO] [stdout] 3551836270e73e00fb66182dbaaba988c657370791aa6affc95d954c5802d338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b518b24e4c68cb3c75095b36588a7512ebb9e2b3d4cb65868a9d08889d0f23d9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b518b24e4c68cb3c75095b36588a7512ebb9e2b3d4cb65868a9d08889d0f23d9", kill_on_drop: false }`
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[INFO] [stderr]    Compiling selectors v0.22.0
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[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling cast_trait_object_macros v0.1.3
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[INFO] [stderr]     Checking cast_trait_object v0.1.3
[INFO] [stderr]     Checking otter-base v0.7.3
[INFO] [stderr]     Checking scraper v0.12.0
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[INFO] [stderr]     Checking otter v0.7.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/otter-0.7.3/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(min_type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'io_into_inner_error_parts'
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/otter-0.7.3/src/bundles.rs:1209:52
[INFO] [stdout]      |
[INFO] [stdout] 1209 |     let mut file = file.into_inner().map_err(|e| e.into_error())
[INFO] [stdout]      |                                                    ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #79704 <https://github.com/rust-lang/rust/issues/79704> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'io_into_inner_error_parts'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/otter-0.7.3/src/packetframe.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 423 |       .map_err(|e| e.into_error())?
[INFO] [stdout]     |                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #79704 <https://github.com/rust-lang/rust/issues/79704> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `otter`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "b518b24e4c68cb3c75095b36588a7512ebb9e2b3d4cb65868a9d08889d0f23d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b518b24e4c68cb3c75095b36588a7512ebb9e2b3d4cb65868a9d08889d0f23d9", kill_on_drop: false }`
[INFO] [stdout] b518b24e4c68cb3c75095b36588a7512ebb9e2b3d4cb65868a9d08889d0f23d9
