[INFO] cloning repository https://github.com/mazznoer/gradient-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mazznoer/gradient-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazznoer%2Fgradient-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazznoer%2Fgradient-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b62b1512caeb16acbed618f89aee42014d4523d4
[INFO] checking mazznoer/gradient-rs against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmazznoer%2Fgradient-rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mazznoer/gradient-rs 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 git repo https://github.com/mazznoer/gradient-rs
[INFO] finished tweaking git repo https://github.com/mazznoer/gradient-rs
[INFO] tweaked toml for git repo https://github.com/mazznoer/gradient-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mazznoer/gradient-rs already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f921519d1a27a3e69926ce76694d16dfdae1f20267623e4880b803295e7c4a15
[INFO] running `Command { std: "docker" "start" "-a" "f921519d1a27a3e69926ce76694d16dfdae1f20267623e4880b803295e7c4a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f921519d1a27a3e69926ce76694d16dfdae1f20267623e4880b803295e7c4a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f921519d1a27a3e69926ce76694d16dfdae1f20267623e4880b803295e7c4a15", kill_on_drop: false }`
[INFO] [stdout] f921519d1a27a3e69926ce76694d16dfdae1f20267623e4880b803295e7c4a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 07f9da2c8d023c82ad1ffbd5d4e4d8eb31dc42299230efef927ee89514e2eb52
[INFO] running `Command { std: "docker" "start" "-a" "07f9da2c8d023c82ad1ffbd5d4e4d8eb31dc42299230efef927ee89514e2eb52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking svg v0.9.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking csscolorparser v0.5.0
[INFO] [stderr]     Checking colorgrad v0.5.0 (https://github.com/mazznoer/colorgrad-rs#4f575536)
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking gradient v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "07f9da2c8d023c82ad1ffbd5d4e4d8eb31dc42299230efef927ee89514e2eb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07f9da2c8d023c82ad1ffbd5d4e4d8eb31dc42299230efef927ee89514e2eb52", kill_on_drop: false }`
[INFO] [stdout] 07f9da2c8d023c82ad1ffbd5d4e4d8eb31dc42299230efef927ee89514e2eb52