[INFO] cloning repository https://github.com/alexcrichton/l4c
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexcrichton/l4c" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fl4c", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fl4c'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e64e1719de50462c82b5175ec9053346ad80c9f4
[INFO] documenting alexcrichton/l4c against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fl4c" "/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/alexcrichton/l4c on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexcrichton/l4c
[INFO] removed workspace from git repo https://github.com/alexcrichton/l4c
[INFO] finished tweaking git repo https://github.com/alexcrichton/l4c
[INFO] tweaked toml for git repo https://github.com/alexcrichton/l4c written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/alexcrichton/l4c already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--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] 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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3174327682d5830afdf49dc3702eb0d9bf280c1040b49ff24abed3c6407d71b
[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" "d3174327682d5830afdf49dc3702eb0d9bf280c1040b49ff24abed3c6407d71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3174327682d5830afdf49dc3702eb0d9bf280c1040b49ff24abed3c6407d71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3174327682d5830afdf49dc3702eb0d9bf280c1040b49ff24abed3c6407d71b", kill_on_drop: false }`
[INFO] [stdout] d3174327682d5830afdf49dc3702eb0d9bf280c1040b49ff24abed3c6407d71b
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7089f1d8068ac2723a9bf02873b79fbeb17d5d95184e9c6df68a6c9a664eab8b
[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" "7089f1d8068ac2723a9bf02873b79fbeb17d5d95184e9c6df68a6c9a664eab8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]  Documenting l4c v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:135:25
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:135:39
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     'a' ... 'z' | 'A' ... 'Z' | '_' => {
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:142:25
[INFO] [stdout]     |
[INFO] [stdout] 142 |                     '1' ... '9' => { self.state = Number;  self.cur.push(c); }
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:307:25
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     'a' ... 'z' | 'A' ... 'Z' | '_' | '0' ... '9' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:307:39
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     'a' ... 'z' | 'A' ... 'Z' | '_' | '0' ... '9' => {
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:307:59
[INFO] [stdout]     |
[INFO] [stdout] 307 |                     'a' ... 'z' | 'A' ... 'Z' | '_' | '0' ... '9' => {
[INFO] [stdout]     |                                                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:322:25
[INFO] [stdout]     |
[INFO] [stdout] 322 |                     '1' ... '9' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:331:25
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => {
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:331:39
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => {
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:331:53
[INFO] [stdout]     |
[INFO] [stdout] 331 |                     '0' ... '9' | 'a' ... 'f' | 'A' ... 'F' => {
[INFO] [stdout]     |                                                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/front/lexer.rs:346:25
[INFO] [stdout]     |
[INFO] [stdout] 346 |                     '0' ... '9' => { self.cur.push(c); }
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "7089f1d8068ac2723a9bf02873b79fbeb17d5d95184e9c6df68a6c9a664eab8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7089f1d8068ac2723a9bf02873b79fbeb17d5d95184e9c6df68a6c9a664eab8b", kill_on_drop: false }`
[INFO] [stdout] 7089f1d8068ac2723a9bf02873b79fbeb17d5d95184e9c6df68a6c9a664eab8b