[INFO] cloning repository https://github.com/GovTechSG/chkr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GovTechSG/chkr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGovTechSG%2Fchkr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGovTechSG%2Fchkr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 767e4218499563f16683fc0b38f3e6505ef80480
[INFO] checking GovTechSG/chkr against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGovTechSG%2Fchkr" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GovTechSG/chkr on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GovTechSG/chkr
[INFO] finished tweaking git repo https://github.com/GovTechSG/chkr
[INFO] tweaked toml for git repo https://github.com/GovTechSG/chkr written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/GovTechSG/chkr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a55976986066500e82f70225f9a544124769712e43f441262fc75ce83e2a214b
[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" "a55976986066500e82f70225f9a544124769712e43f441262fc75ce83e2a214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a55976986066500e82f70225f9a544124769712e43f441262fc75ce83e2a214b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a55976986066500e82f70225f9a544124769712e43f441262fc75ce83e2a214b", kill_on_drop: false }`
[INFO] [stdout] a55976986066500e82f70225f9a544124769712e43f441262fc75ce83e2a214b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] eb7efe342938f0720b66e3a795367cfb69e69674eff5e7dc10c13f584e187e73
[INFO] running `Command { std: "docker" "start" "-a" "eb7efe342938f0720b66e3a795367cfb69e69674eff5e7dc10c13f584e187e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking assert_matches v1.1.0
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking chkr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "eb7efe342938f0720b66e3a795367cfb69e69674eff5e7dc10c13f584e187e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7efe342938f0720b66e3a795367cfb69e69674eff5e7dc10c13f584e187e73", kill_on_drop: false }`
[INFO] [stdout] eb7efe342938f0720b66e3a795367cfb69e69674eff5e7dc10c13f584e187e73