[INFO] cloning repository https://github.com/pydemic/covid-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pydemic/covid-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydemic%2Fcovid-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydemic%2Fcovid-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f34105434c862ade74a671e5afe9cffe29885c2
[INFO] documenting pydemic/covid-rs against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpydemic%2Fcovid-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pydemic/covid-rs 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 git repo https://github.com/pydemic/covid-rs
[INFO] finished tweaking git repo https://github.com/pydemic/covid-rs
[INFO] tweaked toml for git repo https://github.com/pydemic/covid-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/pydemic/covid-rs 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] [stderr] warning: /workspace/builds/worker-12/source/covid-rs/Cargo.toml: unused manifest key: lib.crate-name
[INFO] [stderr] warning: /workspace/builds/worker-12/source/covid-rs/Cargo.toml: unused manifest key: package.doc
[INFO] [stderr] warning: /workspace/builds/worker-12/source/covid-rs/Cargo.toml: unused manifest key: package.doctest
[INFO] [stderr] warning: /workspace/builds/worker-12/source/covid-py/Cargo.toml: unused manifest key: target.aarch64-apple-darwin.rustflags
[INFO] [stderr] warning: /workspace/builds/worker-12/source/covid-py/Cargo.toml: unused manifest key: target.x86_64-apple-darwin.rustflags
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] ac26162ba28d6681aad1fbb192bb2f7dabdf0001139c83069d11e9ddb914f333
[INFO] running `Command { std: "docker" "start" "-a" "ac26162ba28d6681aad1fbb192bb2f7dabdf0001139c83069d11e9ddb914f333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac26162ba28d6681aad1fbb192bb2f7dabdf0001139c83069d11e9ddb914f333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac26162ba28d6681aad1fbb192bb2f7dabdf0001139c83069d11e9ddb914f333", kill_on_drop: false }`
[INFO] [stdout] ac26162ba28d6681aad1fbb192bb2f7dabdf0001139c83069d11e9ddb914f333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 67a197d7a43edf1e8c6a68484f43c579a9e9a0cfa863e2eb9c4b505db94516fa
[INFO] running `Command { std: "docker" "start" "-a" "67a197d7a43edf1e8c6a68484f43c579a9e9a0cfa863e2eb9c4b505db94516fa", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/covid-rs/Cargo.toml: unused manifest key: lib.crate-name
[INFO] [stderr] warning: /opt/rustwide/workdir/covid-rs/Cargo.toml: unused manifest key: package.doc
[INFO] [stderr] warning: /opt/rustwide/workdir/covid-rs/Cargo.toml: unused manifest key: package.doctest
[INFO] [stderr] warning: /opt/rustwide/workdir/covid-py/Cargo.toml: unused manifest key: target.aarch64-apple-darwin.rustflags
[INFO] [stderr] warning: /opt/rustwide/workdir/covid-py/Cargo.toml: unused manifest key: target.x86_64-apple-darwin.rustflags
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking ndarray v0.15.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking pythonize v0.13.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking covid v0.1.0 (/opt/rustwide/workdir/covid-rs)
[INFO] [stderr]  Documenting covid v0.1.0 (/opt/rustwide/workdir/covid-rs)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> covid-rs/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     min_specialization,
[INFO] [stdout] 3 | |     auto_traits,
[INFO] [stdout] 4 | |     negative_impls,
[INFO] [stdout] 5 | |     array_map,
[INFO] [stdout] 6 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> covid-rs/src/utils/ma.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `getset::*`
[INFO] [stdout]  --> covid-rs/src/utils/stats.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use getset::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> covid-rs/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | / #![feature(
[INFO] [stdout] 2 | |     min_specialization,
[INFO] [stdout] 3 | |     auto_traits,
[INFO] [stdout] 4 | |     negative_impls,
[INFO] [stdout] 5 | |     array_map,
[INFO] [stdout] 6 | | )]
[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 `covid`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name covid covid-rs/src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern assert_approx_eq=/opt/rustwide/target/debug/deps/libassert_approx_eq-692583cb1dcb1f33.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-595fb1d17f6a74f3.rmeta --extern getset=/opt/rustwide/target/debug/deps/libgetset-6682267909c75453.so --extern log=/opt/rustwide/target/debug/deps/liblog-ce43ebb727248a1c.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-a3c3853fe6611351.rmeta --extern paste=/opt/rustwide/target/debug/deps/libpaste-a0be09445a5b8225.so --extern rand=/opt/rustwide/target/debug/deps/librand-ac9db4af41d92578.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-bfc4426bd33a40d7.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-2962f0cabfa7ebcb.rmeta --extern simple_logger=/opt/rustwide/target/debug/deps/libsimple_logger-4b7ee895bc735194.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-534c4120ddbabd24.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67a197d7a43edf1e8c6a68484f43c579a9e9a0cfa863e2eb9c4b505db94516fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a197d7a43edf1e8c6a68484f43c579a9e9a0cfa863e2eb9c4b505db94516fa", kill_on_drop: false }`
[INFO] [stdout] 67a197d7a43edf1e8c6a68484f43c579a9e9a0cfa863e2eb9c4b505db94516fa
