[INFO] fetching crate metrics_printer 0.1.0...
[INFO] checking metrics_printer-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate metrics_printer 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate metrics_printer 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics_printer 0.1.0
[INFO] finished tweaking crates.io crate metrics_printer 0.1.0
[INFO] tweaked toml for crates.io crate metrics_printer 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29b6d3edf00f0a0d82f8cf06506c8363f1ba1fba8c0821dd59a940bc882be936
[INFO] running `Command { std: "docker" "start" "-a" "29b6d3edf00f0a0d82f8cf06506c8363f1ba1fba8c0821dd59a940bc882be936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29b6d3edf00f0a0d82f8cf06506c8363f1ba1fba8c0821dd59a940bc882be936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b6d3edf00f0a0d82f8cf06506c8363f1ba1fba8c0821dd59a940bc882be936", kill_on_drop: false }`
[INFO] [stdout] 29b6d3edf00f0a0d82f8cf06506c8363f1ba1fba8c0821dd59a940bc882be936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 197e9d0a785f6ca51e0a9c90ba6ca64f4968fc293f6bf74d0c31da23b1a84bb7
[INFO] running `Command { std: "docker" "start" "-a" "197e9d0a785f6ca51e0a9c90ba6ca64f4968fc293f6bf74d0c31da23b1a84bb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling metrics v0.14.2
[INFO] [stderr]     Checking atomic-shim v0.1.0
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking raw-cpuid v9.1.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking quanta v0.7.2
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling metrics-macros v0.2.0
[INFO] [stderr]     Checking metrics-util v0.6.2
[INFO] [stderr]     Checking metrics_printer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.48s
[INFO] running `Command { std: "docker" "inspect" "197e9d0a785f6ca51e0a9c90ba6ca64f4968fc293f6bf74d0c31da23b1a84bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197e9d0a785f6ca51e0a9c90ba6ca64f4968fc293f6bf74d0c31da23b1a84bb7", kill_on_drop: false }`
[INFO] [stdout] 197e9d0a785f6ca51e0a9c90ba6ca64f4968fc293f6bf74d0c31da23b1a84bb7