[INFO] fetching crate ferrischat_common 0.1.7...
[INFO] checking ferrischat_common-0.1.7 against 1.55.0 for beta-1.56-3
[INFO] extracting crate ferrischat_common 0.1.7 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate ferrischat_common 0.1.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ferrischat_common 0.1.7
[INFO] finished tweaking crates.io crate ferrischat_common 0.1.7
[INFO] tweaked toml for crates.io crate ferrischat_common 0.1.7 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b79a243d06d998f87e324baeac1247b45aecb4bba580a87d0c4059f719d571f9
[INFO] running `Command { std: "docker" "start" "-a" "b79a243d06d998f87e324baeac1247b45aecb4bba580a87d0c4059f719d571f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b79a243d06d998f87e324baeac1247b45aecb4bba580a87d0c4059f719d571f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79a243d06d998f87e324baeac1247b45aecb4bba580a87d0c4059f719d571f9", kill_on_drop: false }`
[INFO] [stdout] b79a243d06d998f87e324baeac1247b45aecb4bba580a87d0c4059f719d571f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfd97f326973c6b4576bc08c1f0c61698e3ac27f6eba21c13b89a9c5a1000e70
[INFO] running `Command { std: "docker" "start" "-a" "dfd97f326973c6b4576bc08c1f0c61698e3ac27f6eba21c13b89a9c5a1000e70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking ferrischat_common v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::types::Channel`
[INFO] [stdout]  --> src/types/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::Channel`
[INFO] [stdout]  --> src/types/message.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::types::Channel;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.35s
[INFO] running `Command { std: "docker" "inspect" "dfd97f326973c6b4576bc08c1f0c61698e3ac27f6eba21c13b89a9c5a1000e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfd97f326973c6b4576bc08c1f0c61698e3ac27f6eba21c13b89a9c5a1000e70", kill_on_drop: false }`
[INFO] [stdout] dfd97f326973c6b4576bc08c1f0c61698e3ac27f6eba21c13b89a9c5a1000e70
