[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 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fl4c" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/l4c 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/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-27/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" "+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 bit-vec v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 7f706f0393a3a62b2e1003077bb697233b8054fbc8cdc8cbc5ee830d4a57d22e
[INFO] running `Command { std: "docker" "start" "-a" "7f706f0393a3a62b2e1003077bb697233b8054fbc8cdc8cbc5ee830d4a57d22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f706f0393a3a62b2e1003077bb697233b8054fbc8cdc8cbc5ee830d4a57d22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f706f0393a3a62b2e1003077bb697233b8054fbc8cdc8cbc5ee830d4a57d22e", kill_on_drop: false }`
[INFO] [stdout] 7f706f0393a3a62b2e1003077bb697233b8054fbc8cdc8cbc5ee830d4a57d22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] a287ff21c9d8a0bff80a79d45cc46892f1c8bff012d9d0c4e2021bdda78e47d8
[INFO] running `Command { std: "docker" "start" "-a" "a287ff21c9d8a0bff80a79d45cc46892f1c8bff012d9d0c4e2021bdda78e47d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/back/spill.rs:294:10
[INFO] [stdout]     |
[INFO] [stdout] 294 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/back/spill.rs:310:10
[INFO] [stdout]     |
[INFO] [stdout] 310 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `Command { std: "docker" "inspect" "a287ff21c9d8a0bff80a79d45cc46892f1c8bff012d9d0c4e2021bdda78e47d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a287ff21c9d8a0bff80a79d45cc46892f1c8bff012d9d0c4e2021bdda78e47d8", kill_on_drop: false }`
[INFO] [stdout] a287ff21c9d8a0bff80a79d45cc46892f1c8bff012d9d0c4e2021bdda78e47d8