[INFO] fetching crate metrics-macros 0.1.0-alpha.9...
[INFO] checking metrics-macros-0.1.0-alpha.9 against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] extracting crate metrics-macros 0.1.0-alpha.9 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate metrics-macros 0.1.0-alpha.9 on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-macros 0.1.0-alpha.9
[INFO] finished tweaking crates.io crate metrics-macros 0.1.0-alpha.9
[INFO] tweaked toml for crates.io crate metrics-macros 0.1.0-alpha.9 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", 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] d4efbda685b94ddbcdd708753ddcf974fe6be3becd97e6ac955daa30b0350b29
[INFO] running `Command { std: "docker" "start" "-a" "d4efbda685b94ddbcdd708753ddcf974fe6be3becd97e6ac955daa30b0350b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4efbda685b94ddbcdd708753ddcf974fe6be3becd97e6ac955daa30b0350b29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4efbda685b94ddbcdd708753ddcf974fe6be3becd97e6ac955daa30b0350b29", kill_on_drop: false }`
[INFO] [stdout] d4efbda685b94ddbcdd708753ddcf974fe6be3becd97e6ac955daa30b0350b29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67540e2eb2662a3def88a28adede0b8a7bf25709c3f2b6cf7bde151f0b440c7e
[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" "67540e2eb2662a3def88a28adede0b8a7bf25709c3f2b6cf7bde151f0b440c7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking quote v1.0.8
[INFO] [stderr]     Checking metrics-macros v0.1.0-alpha.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "67540e2eb2662a3def88a28adede0b8a7bf25709c3f2b6cf7bde151f0b440c7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67540e2eb2662a3def88a28adede0b8a7bf25709c3f2b6cf7bde151f0b440c7e", kill_on_drop: false }`
[INFO] [stdout] 67540e2eb2662a3def88a28adede0b8a7bf25709c3f2b6cf7bde151f0b440c7e