[INFO] cloning repository https://github.com/exercism/rust-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exercism/rust-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b6d04d24d5163bbc5faf647cc20195d0e4da887
[INFO] checking exercism/rust-analyzer against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exercism/rust-analyzer on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/exercism/rust-analyzer
[INFO] finished tweaking git repo https://github.com/exercism/rust-analyzer
[INFO] tweaked toml for git repo https://github.com/exercism/rust-analyzer written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/exercism/rust-analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 1ae49c31a9d330fcf60008c29492671a715aaacecf404b6a3698997a5418ff95
[INFO] running `Command { std: "docker" "start" "-a" "1ae49c31a9d330fcf60008c29492671a715aaacecf404b6a3698997a5418ff95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae49c31a9d330fcf60008c29492671a715aaacecf404b6a3698997a5418ff95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae49c31a9d330fcf60008c29492671a715aaacecf404b6a3698997a5418ff95", kill_on_drop: false }`
[INFO] [stdout] 1ae49c31a9d330fcf60008c29492671a715aaacecf404b6a3698997a5418ff95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] d6db22435ee82b049a4edad4ca7d2a9d80aa5ff00f30862416a3bd89323155ae
[INFO] running `Command { std: "docker" "start" "-a" "d6db22435ee82b049a4edad4ca7d2a9d80aa5ff00f30862416a3bd89323155ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]     Checking proc-macro2 v0.4.27
[INFO] [stderr]     Checking quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking rust-analyzer v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.27s
[INFO] running `Command { std: "docker" "inspect" "d6db22435ee82b049a4edad4ca7d2a9d80aa5ff00f30862416a3bd89323155ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6db22435ee82b049a4edad4ca7d2a9d80aa5ff00f30862416a3bd89323155ae", kill_on_drop: false }`
[INFO] [stdout] d6db22435ee82b049a4edad4ca7d2a9d80aa5ff00f30862416a3bd89323155ae