[INFO] cloning repository https://github.com/wadadli/webapp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wadadli/webapp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb78c7f18926e8734621c38863e80b7d52d8660d
[INFO] documenting wadadli/webapp against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwadadli%2Fwebapp" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wadadli/webapp on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wadadli/webapp
[INFO] finished tweaking git repo https://github.com/wadadli/webapp
[INFO] tweaked toml for git repo https://github.com/wadadli/webapp written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/wadadli/webapp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[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 matches v0.1.7
[INFO] [stderr]   Downloaded rand_core v0.2.1
[INFO] [stderr]   Downloaded twox-hash v1.1.1
[INFO] [stderr]   Downloaded dtoa v0.4.3
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded mysql_common v0.8.0
[INFO] [stderr]   Downloaded base64 v0.9.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.40
[INFO] [stderr]   Downloaded smallvec v0.6.4
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded fake-simd v0.1.2
[INFO] [stderr]   Downloaded safemem v0.2.0
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded time v0.1.40
[INFO] [stderr]   Downloaded digest v0.7.5
[INFO] [stderr]   Downloaded bitflags v1.0.3
[INFO] [stderr]   Downloaded arrayref v0.3.4
[INFO] [stderr]   Downloaded base64 v0.6.0
[INFO] [stderr]   Downloaded phf v0.7.22
[INFO] [stderr]   Downloaded clap v2.32.0
[INFO] [stderr]   Downloaded log v0.4.3
[INFO] [stderr]   Downloaded hyper v0.10.13
[INFO] [stderr]   Downloaded siphasher v0.2.3
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded language-tags v0.2.2
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded textwrap v0.10.0
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded num-traits v0.2.5
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded bufstream v0.1.3
[INFO] [stderr]   Downloaded mime v0.2.6
[INFO] [stderr]   Downloaded typeable v0.1.2
[INFO] [stderr]   Downloaded miniz-sys v0.1.10
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded phf_shared v0.7.22
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded rand v0.5.5
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded memchr v2.0.1
[INFO] [stderr]   Downloaded winapi v0.3.5
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded atoi v0.2.3
[INFO] [stderr]   Downloaded num-bigint v0.2.0
[INFO] [stderr]   Downloaded num-integer v0.1.39
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded unicase v1.4.2
[INFO] [stderr]   Downloaded phf_generator v0.7.22
[INFO] [stderr]   Downloaded num_cpus v1.8.0
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded phf_codegen v0.7.22
[INFO] [stderr]   Downloaded nix v0.11.0
[INFO] [stderr]   Downloaded serde v1.0.71
[INFO] [stderr]   Downloaded serde_json v1.0.24
[INFO] [stderr]   Downloaded libc v0.2.43
[INFO] [stderr]   Downloaded mysql v14.0.0
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded byteorder v1.2.4
[INFO] [stderr]   Downloaded chrono v0.4.5
[INFO] [stderr]   Downloaded aho-corasick v0.6.6
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded cfg-if v0.1.4
[INFO] [stderr]   Downloaded regex v1.0.2
[INFO] [stderr]   Downloaded cc v1.0.18
[INFO] [stderr]   Downloaded ucd-util v0.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded version_check v0.1.4
[INFO] [stderr]   Downloaded lazy_static v1.1.0
[INFO] [stderr]   Downloaded itoa v0.4.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded cloudabi v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "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] becf9009a3be7fa5b55ec05d3407be73876f7de425810d9c1471bd20d5433b71
[INFO] running `Command { std: "docker" "start" "-a" "becf9009a3be7fa5b55ec05d3407be73876f7de425810d9c1471bd20d5433b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "becf9009a3be7fa5b55ec05d3407be73876f7de425810d9c1471bd20d5433b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "becf9009a3be7fa5b55ec05d3407be73876f7de425810d9c1471bd20d5433b71", kill_on_drop: false }`
[INFO] [stdout] becf9009a3be7fa5b55ec05d3407be73876f7de425810d9c1471bd20d5433b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f5e39636f6a01947cd72ce1b16e0aa61c5e8a0b353c548bd558fe8a558c507f
[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" "2f5e39636f6a01947cd72ce1b16e0aa61c5e8a0b353c548bd558fe8a558c507f", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking smallvec v0.6.4
[INFO] [stderr]     Checking atoi v0.2.3
[INFO] [stderr]     Checking twox-hash v1.1.1
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking regex v1.0.2
[INFO] [stderr]     Checking hyper v0.10.13
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking mysql_common v0.8.0
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking mysql v14.0.0
[INFO] [stderr]  Documenting webapp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(rust_2018_preview)]
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0705.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `webapp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name webapp 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 chrono=/opt/rustwide/target/debug/deps/libchrono-355b1c706824817e.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-fcb8234224121601.rmeta --extern iron=/opt/rustwide/target/debug/deps/libiron-6858f7f42e236f92.rmeta --extern mysql=/opt/rustwide/target/debug/deps/libmysql-2499324b4d5b6d70.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "2f5e39636f6a01947cd72ce1b16e0aa61c5e8a0b353c548bd558fe8a558c507f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f5e39636f6a01947cd72ce1b16e0aa61c5e8a0b353c548bd558fe8a558c507f", kill_on_drop: false }`
[INFO] [stdout] 2f5e39636f6a01947cd72ce1b16e0aa61c5e8a0b353c548bd558fe8a558c507f
