[INFO] cloning repository https://github.com/phodal/rust-plugins-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phodal/rust-plugins-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Frust-plugins-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Frust-plugins-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b14e687902ade8626b154db681bf31410554ca8
[INFO] checking phodal/rust-plugins-example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphodal%2Frust-plugins-example" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/phodal/rust-plugins-example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/phodal/rust-plugins-example
[INFO] finished tweaking git repo https://github.com/phodal/rust-plugins-example
[INFO] tweaked toml for git repo https://github.com/phodal/rust-plugins-example written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/phodal/rust-plugins-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-6/source/Cargo.toml: unused manifest key: tasks
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] db65fe292599679f3bc2c99dd4f92b8c5d2005387fc94e72abcb3090a477adce
[INFO] running `Command { std: "docker" "start" "-a" "db65fe292599679f3bc2c99dd4f92b8c5d2005387fc94e72abcb3090a477adce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db65fe292599679f3bc2c99dd4f92b8c5d2005387fc94e72abcb3090a477adce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db65fe292599679f3bc2c99dd4f92b8c5d2005387fc94e72abcb3090a477adce", kill_on_drop: false }`
[INFO] [stdout] db65fe292599679f3bc2c99dd4f92b8c5d2005387fc94e72abcb3090a477adce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8b9453a6308fbf09d8a028c8b6cbe2b8eef2053aec3f9843be233ee95847a6
[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" "2d8b9453a6308fbf09d8a028c8b6cbe2b8eef2053aec3f9843be233ee95847a6", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: tasks
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking plugin_interface v0.1.0 (/opt/rustwide/workdir/plugin_interface)
[INFO] [stderr]    Compiling rust-plugins-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking swagger v0.1.0 (/opt/rustwide/workdir/plugins/swagger)
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling dlopen_derive v0.1.4
[INFO] [stderr]     Checking dlopen v0.1.8
[INFO] [stderr]     Checking dlopen-sample v0.1.0 (/opt/rustwide/workdir/dlopen-sample)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.68s
[INFO] running `Command { std: "docker" "inspect" "2d8b9453a6308fbf09d8a028c8b6cbe2b8eef2053aec3f9843be233ee95847a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8b9453a6308fbf09d8a028c8b6cbe2b8eef2053aec3f9843be233ee95847a6", kill_on_drop: false }`
[INFO] [stdout] 2d8b9453a6308fbf09d8a028c8b6cbe2b8eef2053aec3f9843be233ee95847a6