[INFO] cloning repository https://github.com/j-dong/lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/j-dong/lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-dong%2Flambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-dong%2Flambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] feb657900ec0364b58bae78a1e158ef6986ffd9a
[INFO] documenting j-dong/lambda against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fj-dong%2Flambda" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/j-dong/lambda on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/j-dong/lambda
[INFO] finished tweaking git repo https://github.com/j-dong/lambda
[INFO] tweaked toml for git repo https://github.com/j-dong/lambda written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/j-dong/lambda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "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] 9cfd22dfd123db5ae716d4df8d42a6bb942771ce4246edc2414649bb0f4dd6bd
[INFO] running `Command { std: "docker" "start" "-a" "9cfd22dfd123db5ae716d4df8d42a6bb942771ce4246edc2414649bb0f4dd6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cfd22dfd123db5ae716d4df8d42a6bb942771ce4246edc2414649bb0f4dd6bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cfd22dfd123db5ae716d4df8d42a6bb942771ce4246edc2414649bb0f4dd6bd", kill_on_drop: false }`
[INFO] [stdout] 9cfd22dfd123db5ae716d4df8d42a6bb942771ce4246edc2414649bb0f4dd6bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 044463ab8662411d5b1f4577955ad5bdc2aeccac1b016717aa396b79d47c8555
[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" "044463ab8662411d5b1f4577955ad5bdc2aeccac1b016717aa396b79d47c8555", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/expr/lambda.rs:71:36
[INFO] [stdout]    |
[INFO] [stdout] 71 |         Lexer { contents: contents.trim_left() }
[INFO] [stdout]    |                                    ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/expr/lambda.rs:95:57
[INFO] [stdout]    |
[INFO] [stdout] 95 |                 self.contents = &self.contents[index..].trim_left();
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]    --> src/expr/lambda.rs:105:38
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 self.contents = rest.trim_left();
[INFO] [stdout]     |                                      ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.01s
[INFO] running `Command { std: "docker" "inspect" "044463ab8662411d5b1f4577955ad5bdc2aeccac1b016717aa396b79d47c8555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044463ab8662411d5b1f4577955ad5bdc2aeccac1b016717aa396b79d47c8555", kill_on_drop: false }`
[INFO] [stdout] 044463ab8662411d5b1f4577955ad5bdc2aeccac1b016717aa396b79d47c8555