[INFO] cloning repository https://github.com/yazgoo/myumberwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yazgoo/myumberwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyazgoo%2Fmyumberwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyazgoo%2Fmyumberwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c61a3a79f7c2d71ea287d5f0e40172f1b960f61d
[INFO] checking yazgoo/myumberwm against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyazgoo%2Fmyumberwm" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yazgoo/myumberwm on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yazgoo/myumberwm
[INFO] finished tweaking git repo https://github.com/yazgoo/myumberwm
[INFO] tweaked toml for git repo https://github.com/yazgoo/myumberwm written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/yazgoo/myumberwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49e477406ca6e3dc3c2a15bc251159711cd0da42d96b61c7b5df7f70ba607beb
[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" "49e477406ca6e3dc3c2a15bc251159711cd0da42d96b61c7b5df7f70ba607beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49e477406ca6e3dc3c2a15bc251159711cd0da42d96b61c7b5df7f70ba607beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49e477406ca6e3dc3c2a15bc251159711cd0da42d96b61c7b5df7f70ba607beb", kill_on_drop: false }`
[INFO] [stdout] 49e477406ca6e3dc3c2a15bc251159711cd0da42d96b61c7b5df7f70ba607beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4bbd3eb3a936e2ac640d1876c10783e861ed1b45d3a1aa9ccc3e47082f69af8
[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" "b4bbd3eb3a936e2ac640d1876c10783e861ed1b45d3a1aa9ccc3e47082f69af8", 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 strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling xmodmap-pke-umberwm v0.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking serde_with v1.9.4
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking umberwm v0.0.28
[INFO] [stderr]     Checking myumberwm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.06s
[INFO] running `Command { std: "docker" "inspect" "b4bbd3eb3a936e2ac640d1876c10783e861ed1b45d3a1aa9ccc3e47082f69af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bbd3eb3a936e2ac640d1876c10783e861ed1b45d3a1aa9ccc3e47082f69af8", kill_on_drop: false }`
[INFO] [stdout] b4bbd3eb3a936e2ac640d1876c10783e861ed1b45d3a1aa9ccc3e47082f69af8