[INFO] fetching crate bare-metrics-reader 0.1.0...
[INFO] checking bare-metrics-reader-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate bare-metrics-reader 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bare-metrics-reader 0.1.0 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 bare-metrics-reader 0.1.0
[INFO] finished tweaking crates.io crate bare-metrics-reader 0.1.0
[INFO] tweaked toml for crates.io crate bare-metrics-reader 0.1.0 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]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded bare-metrics-core v0.1.0
[INFO] [stderr]   Downloaded serde_bare v0.5.0
[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] b8b4cea4b8b4809f4c4527175c05c02182a00162d04d92475bafef749499dc6f
[INFO] running `Command { std: "docker" "start" "-a" "b8b4cea4b8b4809f4c4527175c05c02182a00162d04d92475bafef749499dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8b4cea4b8b4809f4c4527175c05c02182a00162d04d92475bafef749499dc6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b4cea4b8b4809f4c4527175c05c02182a00162d04d92475bafef749499dc6f", kill_on_drop: false }`
[INFO] [stdout] b8b4cea4b8b4809f4c4527175c05c02182a00162d04d92475bafef749499dc6f
[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] f347d8d970a436ab426dca9864d12444d07406894ea304c0047393b7afe9fa6a
[INFO] running `Command { std: "docker" "start" "-a" "f347d8d970a436ab426dca9864d12444d07406894ea304c0047393b7afe9fa6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking serde_bare v0.5.0
[INFO] [stderr]     Checking bare-metrics-core v0.1.0
[INFO] [stderr]     Checking bare-metrics-reader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.28s
[INFO] running `Command { std: "docker" "inspect" "f347d8d970a436ab426dca9864d12444d07406894ea304c0047393b7afe9fa6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f347d8d970a436ab426dca9864d12444d07406894ea304c0047393b7afe9fa6a", kill_on_drop: false }`
[INFO] [stdout] f347d8d970a436ab426dca9864d12444d07406894ea304c0047393b7afe9fa6a