[INFO] fetching crate witchcraft-metrics 1.0.1...
[INFO] checking witchcraft-metrics-1.0.1 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate witchcraft-metrics 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate witchcraft-metrics 1.0.1 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witchcraft-metrics 1.0.1
[INFO] finished tweaking crates.io crate witchcraft-metrics 1.0.1
[INFO] tweaked toml for crates.io crate witchcraft-metrics 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 42 packages to latest compatible versions
[INFO] [stderr]       Adding ordered-float v2.10.1 (latest: v4.2.2)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cb68ebd8b8c641cb1ce865cae01f2ec9c7772857e2b356a91f9a7ab89b48734
[INFO] running `Command { std: "docker" "start" "-a" "7cb68ebd8b8c641cb1ce865cae01f2ec9c7772857e2b356a91f9a7ab89b48734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb68ebd8b8c641cb1ce865cae01f2ec9c7772857e2b356a91f9a7ab89b48734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb68ebd8b8c641cb1ce865cae01f2ec9c7772857e2b356a91f9a7ab89b48734", kill_on_drop: false }`
[INFO] [stdout] 7cb68ebd8b8c641cb1ce865cae01f2ec9c7772857e2b356a91f9a7ab89b48734
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b2c621a1a87b58576eada389192476bbff43684d6d5724b5bf3497195232aa5
[INFO] running `Command { std: "docker" "start" "-a" "2b2c621a1a87b58576eada389192476bbff43684d6d5724b5bf3497195232aa5", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking ordered-float v4.2.2
[INFO] [stderr]     Checking serde-value v0.7.0
[INFO] [stderr]     Checking exponential-decay-histogram v0.1.11
[INFO] [stderr]     Checking witchcraft-metrics v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "2b2c621a1a87b58576eada389192476bbff43684d6d5724b5bf3497195232aa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b2c621a1a87b58576eada389192476bbff43684d6d5724b5bf3497195232aa5", kill_on_drop: false }`
[INFO] [stdout] 2b2c621a1a87b58576eada389192476bbff43684d6d5724b5bf3497195232aa5