[INFO] fetching crate chunked-bytes 0.3.0...
[INFO] checking chunked-bytes-0.3.0 against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] extracting crate chunked-bytes 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate chunked-bytes 0.3.0 on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chunked-bytes 0.3.0
[INFO] finished tweaking crates.io crate chunked-bytes 0.3.0
[INFO] tweaked toml for crates.io crate chunked-bytes 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate chunked-bytes 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking chunked-bytes-0.3.0 against try#44f3504e96c944ae54fc72b5f5008f53f7eda001 for pr-136776
[INFO] extracting crate chunked-bytes 0.3.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate chunked-bytes 0.3.0 on toolchain 44f3504e96c944ae54fc72b5f5008f53f7eda001
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chunked-bytes 0.3.0
[INFO] finished tweaking crates.io crate chunked-bytes 0.3.0
[INFO] tweaked toml for crates.io crate chunked-bytes 0.3.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate chunked-bytes 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "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 generic-tests v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df3699e85a4590fe67d522e3c5741a6dd49f777ce0b8f33d5b50346ff1403d28
[INFO] running `Command { std: "docker" "start" "-a" "df3699e85a4590fe67d522e3c5741a6dd49f777ce0b8f33d5b50346ff1403d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df3699e85a4590fe67d522e3c5741a6dd49f777ce0b8f33d5b50346ff1403d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3699e85a4590fe67d522e3c5741a6dd49f777ce0b8f33d5b50346ff1403d28", kill_on_drop: false }`
[INFO] [stdout] df3699e85a4590fe67d522e3c5741a6dd49f777ce0b8f33d5b50346ff1403d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+44f3504e96c944ae54fc72b5f5008f53f7eda001" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7f27c8ee98f9b1c53ca034469209517363035db978b1d13bce5eb5d296295e6
[INFO] running `Command { std: "docker" "start" "-a" "f7f27c8ee98f9b1c53ca034469209517363035db978b1d13bce5eb5d296295e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]    Compiling tokio v1.1.0
[INFO] [stderr]     Checking chunked-bytes v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling generic-tests v0.1.1
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/loosely.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn staging_capacity(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 | #![warn(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a method
[INFO] [stdout]   --> src/strictly.rs:89:5
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn staging_capacity(&self) -> usize {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "f7f27c8ee98f9b1c53ca034469209517363035db978b1d13bce5eb5d296295e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f27c8ee98f9b1c53ca034469209517363035db978b1d13bce5eb5d296295e6", kill_on_drop: false }`
[INFO] [stdout] f7f27c8ee98f9b1c53ca034469209517363035db978b1d13bce5eb5d296295e6