[INFO] fetching crate async-listen 0.2.1...
[INFO] documenting async-listen-0.2.1 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate async-listen 0.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate async-listen 0.2.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-listen 0.2.1
[INFO] finished tweaking crates.io crate async-listen 0.2.1
[INFO] tweaked toml for crates.io crate async-listen 0.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate async-listen 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1d2592d61e760b27f859a6a904e1938d532ba557f1eb5a75fa74af5a27f053f
[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" "a1d2592d61e760b27f859a6a904e1938d532ba557f1eb5a75fa74af5a27f053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1d2592d61e760b27f859a6a904e1938d532ba557f1eb5a75fa74af5a27f053f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1d2592d61e760b27f859a6a904e1938d532ba557f1eb5a75fa74af5a27f053f", kill_on_drop: false }`
[INFO] [stdout] a1d2592d61e760b27f859a6a904e1938d532ba557f1eb5a75fa74af5a27f053f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 7f5cb755d730d3542bf7d8befcca904099f2ba4d0b9ecea478da3c053ffb7f1b
[INFO] running `Command { std: "docker" "start" "-a" "7f5cb755d730d3542bf7d8befcca904099f2ba4d0b9ecea478da3c053ffb7f1b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking piper v0.1.3
[INFO] [stderr]     Checking smol v0.1.12
[INFO] [stderr]     Checking async-std v1.6.1
[INFO] [stderr]  Documenting async-listen v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]   --> src/listen_ext.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |       /// ```ignore
[INFO] [stdout]    |  _________^
[INFO] [stdout] 27 | |     /// stream.inspect(|res| res.map_err(|e| {
[INFO] [stdout] 28 | |     ///     if !is_transient_error(e) {
[INFO] [stdout] 29 | |     ///         user_func(e);
[INFO] [stdout] 30 | |     ///     }
[INFO] [stdout] 31 | |     /// })
[INFO] [stdout] 32 | |     /// ```
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: error from rustc: this file contains an unclosed delimiter
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.56s
[INFO] running `Command { std: "docker" "inspect" "7f5cb755d730d3542bf7d8befcca904099f2ba4d0b9ecea478da3c053ffb7f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5cb755d730d3542bf7d8befcca904099f2ba4d0b9ecea478da3c053ffb7f1b", kill_on_drop: false }`
[INFO] [stdout] 7f5cb755d730d3542bf7d8befcca904099f2ba4d0b9ecea478da3c053ffb7f1b
