[INFO] cloning repository https://github.com/harrisonthorne/sparrow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harrisonthorne/sparrow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Fsparrow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Fsparrow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b956f5e6f8af54a4e52b9ce0557164f573ac108
[INFO] checking harrisonthorne/sparrow against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharrisonthorne%2Fsparrow" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/harrisonthorne/sparrow on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/harrisonthorne/sparrow
[INFO] finished tweaking git repo https://github.com/harrisonthorne/sparrow
[INFO] tweaked toml for git repo https://github.com/harrisonthorne/sparrow written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/harrisonthorne/sparrow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec1e1a1fb7eaa346f3eb648bb0fb968c644c524775d6b10289132b4bfc2c1b69
[INFO] running `Command { std: "docker" "start" "-a" "ec1e1a1fb7eaa346f3eb648bb0fb968c644c524775d6b10289132b4bfc2c1b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec1e1a1fb7eaa346f3eb648bb0fb968c644c524775d6b10289132b4bfc2c1b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1e1a1fb7eaa346f3eb648bb0fb968c644c524775d6b10289132b4bfc2c1b69", kill_on_drop: false }`
[INFO] [stdout] ec1e1a1fb7eaa346f3eb648bb0fb968c644c524775d6b10289132b4bfc2c1b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 532c8d83116f1bff9cbb769f7f6459dc4f26de2d29c38b16a3290278f8b74452
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "532c8d83116f1bff9cbb769f7f6459dc4f26de2d29c38b16a3290278f8b74452", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling libnotify-sys v1.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking libnotify v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.44s
[INFO] running `Command { std: "docker" "inspect" "532c8d83116f1bff9cbb769f7f6459dc4f26de2d29c38b16a3290278f8b74452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "532c8d83116f1bff9cbb769f7f6459dc4f26de2d29c38b16a3290278f8b74452", kill_on_drop: false }`
[INFO] [stdout] 532c8d83116f1bff9cbb769f7f6459dc4f26de2d29c38b16a3290278f8b74452