[INFO] fetching crate mg-settings 0.4.3...
[INFO] documenting mg-settings-0.4.3 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate mg-settings 0.4.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mg-settings 0.4.3 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 crates.io crate mg-settings 0.4.3
[INFO] finished tweaking crates.io crate mg-settings 0.4.3
[INFO] tweaked toml for crates.io crate mg-settings 0.4.3 written to /workspace/builds/worker-4/source/Cargo.toml
[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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mg-settings-macros v0.4.2
[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" "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] bdb8ea718352703fd5d4a6dfbdeda18152a48949272f18fbdad6cd925e3b57fa
[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" "bdb8ea718352703fd5d4a6dfbdeda18152a48949272f18fbdad6cd925e3b57fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdb8ea718352703fd5d4a6dfbdeda18152a48949272f18fbdad6cd925e3b57fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb8ea718352703fd5d4a6dfbdeda18152a48949272f18fbdad6cd925e3b57fa", kill_on_drop: false }`
[INFO] [stdout] bdb8ea718352703fd5d4a6dfbdeda18152a48949272f18fbdad6cd925e3b57fa
[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" "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] e7ddf257fdf34216bb4e2801abdcd20c494a84459b4f93df11cd1136574cd9ed
[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" "e7ddf257fdf34216bb4e2801abdcd20c494a84459b4f93df11cd1136574cd9ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling mg-settings-macros v0.4.2
[INFO] [stderr]  Documenting mg-settings v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/key.rs:199:37
[INFO] [stdout]     |
[INFO] [stdout] 199 | ...                   '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/key.rs:199:51
[INFO] [stdout]     |
[INFO] [stdout] 199 | ...                   '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/key.rs:224:25
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     'A' ... 'Z' | 'a' ... 'z' => (Char(character), 1),
[INFO] [stdout]     |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/key.rs:224:39
[INFO] [stdout]     |
[INFO] [stdout] 224 |                     'A' ... 'Z' | 'a' ... 'z' => (Char(character), 1),
[INFO] [stdout]     |                                       ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "e7ddf257fdf34216bb4e2801abdcd20c494a84459b4f93df11cd1136574cd9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ddf257fdf34216bb4e2801abdcd20c494a84459b4f93df11cd1136574cd9ed", kill_on_drop: false }`
[INFO] [stdout] e7ddf257fdf34216bb4e2801abdcd20c494a84459b4f93df11cd1136574cd9ed