[INFO] cloning repository https://github.com/michael-christen/rust-hello-world
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/michael-christen/rust-hello-world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-christen%2Frust-hello-world", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-christen%2Frust-hello-world'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d5fe4e766afe9edc4a38406195de64832202c03
[INFO] checking michael-christen/rust-hello-world against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichael-christen%2Frust-hello-world" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michael-christen/rust-hello-world on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michael-christen/rust-hello-world
[INFO] finished tweaking git repo https://github.com/michael-christen/rust-hello-world
[INFO] tweaked toml for git repo https://github.com/michael-christen/rust-hello-world written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/michael-christen/rust-hello-world already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] c0065b4bb2dfe0d2b6bd9dd7edfe7e7e31f5f2bd683d7a53cf16ba3db4f93045
[INFO] running `Command { std: "docker" "start" "-a" "c0065b4bb2dfe0d2b6bd9dd7edfe7e7e31f5f2bd683d7a53cf16ba3db4f93045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0065b4bb2dfe0d2b6bd9dd7edfe7e7e31f5f2bd683d7a53cf16ba3db4f93045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0065b4bb2dfe0d2b6bd9dd7edfe7e7e31f5f2bd683d7a53cf16ba3db4f93045", kill_on_drop: false }`
[INFO] [stdout] c0065b4bb2dfe0d2b6bd9dd7edfe7e7e31f5f2bd683d7a53cf16ba3db4f93045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfd00cf91cc93c9dad98f79ecfae2719459294c45d50433367d70d1fd52cbf46
[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" "bfd00cf91cc93c9dad98f79ecfae2719459294c45d50433367d70d1fd52cbf46", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "bfd00cf91cc93c9dad98f79ecfae2719459294c45d50433367d70d1fd52cbf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd00cf91cc93c9dad98f79ecfae2719459294c45d50433367d70d1fd52cbf46", kill_on_drop: false }`
[INFO] [stdout] bfd00cf91cc93c9dad98f79ecfae2719459294c45d50433367d70d1fd52cbf46