[INFO] fetching crate flarmnet 0.4.0...
[INFO] checking flarmnet-0.4.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate flarmnet 0.4.0 into /workspace/builds/worker-116/source
[INFO] validating manifest of crates.io crate flarmnet 0.4.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-116/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate flarmnet 0.4.0
[INFO] finished tweaking crates.io crate flarmnet 0.4.0
[INFO] tweaked toml for crates.io crate flarmnet 0.4.0 written to /workspace/builds/worker-116/source/Cargo.toml
[INFO] crate crates.io crate flarmnet 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fa22cfd513f2e3544c1d8385555d7e9207b14e9ce4f95b217fbf703423a8d01
[INFO] running `Command { std: "docker" "start" "-a" "0fa22cfd513f2e3544c1d8385555d7e9207b14e9ce4f95b217fbf703423a8d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fa22cfd513f2e3544c1d8385555d7e9207b14e9ce4f95b217fbf703423a8d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fa22cfd513f2e3544c1d8385555d7e9207b14e9ce4f95b217fbf703423a8d01", kill_on_drop: false }`
[INFO] [stdout] 0fa22cfd513f2e3544c1d8385555d7e9207b14e9ce4f95b217fbf703423a8d01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-116/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" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c38244f2a8559dda3264bc00f8bbf81bc0b68978e3c121c880c96cc53d1bbf1
[INFO] running `Command { std: "docker" "start" "-a" "9c38244f2a8559dda3264bc00f8bbf81bc0b68978e3c121c880c96cc53d1bbf1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking quick-xml v0.17.2
[INFO] [stderr]     Checking minidom v0.12.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking flarmnet v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.05s
[INFO] running `Command { std: "docker" "inspect" "9c38244f2a8559dda3264bc00f8bbf81bc0b68978e3c121c880c96cc53d1bbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c38244f2a8559dda3264bc00f8bbf81bc0b68978e3c121c880c96cc53d1bbf1", kill_on_drop: false }`
[INFO] [stdout] 9c38244f2a8559dda3264bc00f8bbf81bc0b68978e3c121c880c96cc53d1bbf1
