[INFO] cloning repository https://github.com/mtn/silver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtn/silver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fsilver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtn%2Fsilver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895c666723d96cf42655ef713ff9893b25f10b3c
[INFO] documenting mtn/silver 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%2Fmtn%2Fsilver" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtn/silver 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/mtn/silver
[INFO] finished tweaking git repo https://github.com/mtn/silver
[INFO] tweaked toml for git repo https://github.com/mtn/silver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/mtn/silver 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] 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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a284c45b4130ec145090d80bcbdbb1243f08822fb00814bda83e86d44775606
[INFO] running `Command { std: "docker" "start" "-a" "9a284c45b4130ec145090d80bcbdbb1243f08822fb00814bda83e86d44775606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a284c45b4130ec145090d80bcbdbb1243f08822fb00814bda83e86d44775606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a284c45b4130ec145090d80bcbdbb1243f08822fb00814bda83e86d44775606", kill_on_drop: false }`
[INFO] [stdout] 9a284c45b4130ec145090d80bcbdbb1243f08822fb00814bda83e86d44775606
[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" "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] 83fb82cf3d33ec7fe763eab8a949de1d1fea55d5cb64215b6bde409405a35af0
[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" "83fb82cf3d33ec7fe763eab8a949de1d1fea55d5cb64215b6bde409405a35af0", kill_on_drop: false }`
[INFO] [stderr]  Documenting silver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |             '0'...'9' => self.read_number(),
[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/lexer.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |             'a'...'z' | '_' => self.read_identifier(),
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:97:16
[INFO] [stdout]    |
[INFO] [stdout] 97 |             '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:97:28
[INFO] [stdout]    |
[INFO] [stdout] 97 |             '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/lexer.rs:97:40
[INFO] [stdout]    |
[INFO] [stdout] 97 |             '0'...'9' | 'a'...'z' | 'A'...'Z' => true,
[INFO] [stdout]    |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:113:20
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 '0'...'9' => digits.push(self.input[self.ind + i]),
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "83fb82cf3d33ec7fe763eab8a949de1d1fea55d5cb64215b6bde409405a35af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb82cf3d33ec7fe763eab8a949de1d1fea55d5cb64215b6bde409405a35af0", kill_on_drop: false }`
[INFO] [stdout] 83fb82cf3d33ec7fe763eab8a949de1d1fea55d5cb64215b6bde409405a35af0