[INFO] fetching crate metrics-macros 0.4.0...
[INFO] checking metrics-macros-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate metrics-macros 0.4.0 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate metrics-macros 0.4.0 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 metrics-macros 0.4.0
[INFO] finished tweaking crates.io crate metrics-macros 0.4.0
[INFO] tweaked toml for crates.io crate metrics-macros 0.4.0 written to /workspace/builds/worker-17/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] e8acf19dde19bc01341ca50171926c4111804eaddaae9ea38908391f4a6ac628
[INFO] running `Command { std: "docker" "start" "-a" "e8acf19dde19bc01341ca50171926c4111804eaddaae9ea38908391f4a6ac628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8acf19dde19bc01341ca50171926c4111804eaddaae9ea38908391f4a6ac628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8acf19dde19bc01341ca50171926c4111804eaddaae9ea38908391f4a6ac628", kill_on_drop: false }`
[INFO] [stdout] e8acf19dde19bc01341ca50171926c4111804eaddaae9ea38908391f4a6ac628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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] e2478294f92ac1be7f45dcbcb6138e76a8012eaf7fbc0171b19f878b006d3240
[INFO] running `Command { std: "docker" "start" "-a" "e2478294f92ac1be7f45dcbcb6138e76a8012eaf7fbc0171b19f878b006d3240", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking proc-macro2 v1.0.30
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking metrics-macros v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "e2478294f92ac1be7f45dcbcb6138e76a8012eaf7fbc0171b19f878b006d3240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2478294f92ac1be7f45dcbcb6138e76a8012eaf7fbc0171b19f878b006d3240", kill_on_drop: false }`
[INFO] [stdout] e2478294f92ac1be7f45dcbcb6138e76a8012eaf7fbc0171b19f878b006d3240
