[INFO] fetching crate tower-http-metrics 0.0.4...
[INFO] checking tower-http-metrics-0.0.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tower-http-metrics 0.0.4 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate tower-http-metrics 0.0.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tower-http-metrics 0.0.4
[INFO] finished tweaking crates.io crate tower-http-metrics 0.0.4
[INFO] tweaked toml for crates.io crate tower-http-metrics 0.0.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding http-body v0.4.6 (latest: v1.0.1)
[INFO] [stderr]       Adding metrics v0.20.1 (latest: v0.23.0)
[INFO] [stderr]       Adding metrics-macros v0.6.0 (latest: v0.7.1)
[INFO] [stderr]       Adding portable-atomic v0.3.20 (latest: v1.7.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] [stderr]       Adding tower v0.4.13 (latest: v0.5.0)
[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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded portable-atomic v0.3.20
[INFO] [stderr]   Downloaded metrics v0.20.1
[INFO] [stderr]   Downloaded metrics-macros v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d9c3f639269f36acc904e47eac6e7dabcbc2ce80344664e912c764d4a402e8b
[INFO] running `Command { std: "docker" "start" "-a" "0d9c3f639269f36acc904e47eac6e7dabcbc2ce80344664e912c764d4a402e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d9c3f639269f36acc904e47eac6e7dabcbc2ce80344664e912c764d4a402e8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d9c3f639269f36acc904e47eac6e7dabcbc2ce80344664e912c764d4a402e8b", kill_on_drop: false }`
[INFO] [stdout] 0d9c3f639269f36acc904e47eac6e7dabcbc2ce80344664e912c764d4a402e8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8449940c970e00494fdef32ccd373fe4aba7e12963fde73ccc30259217b3eb7
[INFO] running `Command { std: "docker" "start" "-a" "d8449940c970e00494fdef32ccd373fe4aba7e12963fde73ccc30259217b3eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling portable-atomic v1.7.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling portable-atomic v0.3.20
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling metrics v0.20.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling metrics-macros v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower-http-metrics v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.57s
[INFO] running `Command { std: "docker" "inspect" "d8449940c970e00494fdef32ccd373fe4aba7e12963fde73ccc30259217b3eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8449940c970e00494fdef32ccd373fe4aba7e12963fde73ccc30259217b3eb7", kill_on_drop: false }`
[INFO] [stdout] d8449940c970e00494fdef32ccd373fe4aba7e12963fde73ccc30259217b3eb7