[INFO] cloning repository https://github.com/roller/ackreport
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roller/ackreport" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froller%2Fackreport", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froller%2Fackreport'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50cd383a11dcfb3431629cf5cf5ef681b7f6d72d
[INFO] checking roller/ackreport against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froller%2Fackreport" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roller/ackreport on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/roller/ackreport
[INFO] finished tweaking git repo https://github.com/roller/ackreport
[INFO] tweaked toml for git repo https://github.com/roller/ackreport written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/roller/ackreport already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 1f22076616e931454be39da9c4726ca5f197d717c0be1dec6fd0847bbb9a55e1
[INFO] running `Command { std: "docker" "start" "-a" "1f22076616e931454be39da9c4726ca5f197d717c0be1dec6fd0847bbb9a55e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f22076616e931454be39da9c4726ca5f197d717c0be1dec6fd0847bbb9a55e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f22076616e931454be39da9c4726ca5f197d717c0be1dec6fd0847bbb9a55e1", kill_on_drop: false }`
[INFO] [stdout] 1f22076616e931454be39da9c4726ca5f197d717c0be1dec6fd0847bbb9a55e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91679aabc1db1eaa585ccb333df28fb292d4ac31880b7519adc42d6dd058cd52
[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" "91679aabc1db1eaa585ccb333df28fb292d4ac31880b7519adc42d6dd058cd52", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking duration-string v0.0.6
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking tabwriter v1.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking rustls-native-certs v0.4.0
[INFO] [stderr]     Checking ackreport v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.40s
[INFO] running `Command { std: "docker" "inspect" "91679aabc1db1eaa585ccb333df28fb292d4ac31880b7519adc42d6dd058cd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91679aabc1db1eaa585ccb333df28fb292d4ac31880b7519adc42d6dd058cd52", kill_on_drop: false }`
[INFO] [stdout] 91679aabc1db1eaa585ccb333df28fb292d4ac31880b7519adc42d6dd058cd52