[INFO] cloning repository https://github.com/casellimarco/dummy_setuptool_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/casellimarco/dummy_setuptool_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasellimarco%2Fdummy_setuptool_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasellimarco%2Fdummy_setuptool_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dd948c52773860cc442480068ba13b5206197d25
[INFO] checking casellimarco/dummy_setuptool_rust against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcasellimarco%2Fdummy_setuptool_rust" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/casellimarco/dummy_setuptool_rust on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/casellimarco/dummy_setuptool_rust
[INFO] finished tweaking git repo https://github.com/casellimarco/dummy_setuptool_rust
[INFO] tweaked toml for git repo https://github.com/casellimarco/dummy_setuptool_rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca6f65f1bc8dc0f4bf050f47ba46df4391136ff552ac77b3fb90b47848f4604e
[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" "ca6f65f1bc8dc0f4bf050f47ba46df4391136ff552ac77b3fb90b47848f4604e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6f65f1bc8dc0f4bf050f47ba46df4391136ff552ac77b3fb90b47848f4604e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6f65f1bc8dc0f4bf050f47ba46df4391136ff552ac77b3fb90b47848f4604e", kill_on_drop: false }`
[INFO] [stdout] ca6f65f1bc8dc0f4bf050f47ba46df4391136ff552ac77b3fb90b47848f4604e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04dedbfe22d50990d1ba38643d39864fb916f08ffd7e55bd2620dbfa9c1e4079
[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" "04dedbfe22d50990d1ba38643d39864fb916f08ffd7e55bd2620dbfa9c1e4079", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.83
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling pyo3-derive-backend v0.11.1
[INFO] [stderr]    Compiling ctor v0.1.18
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3cls v0.11.1
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking inventory v0.1.10
[INFO] [stderr]     Checking pyo3 v0.11.1
[INFO] [stderr]     Checking string-sum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]   --> src/lib.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn string_sum(py: Python, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `py`
[INFO] [stdout]   --> src/lib.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn string_sum(py: Python, m: &PyModule) -> PyResult<()> {
[INFO] [stdout]    |               ^^ help: if this is intentional, prefix it with an underscore: `_py`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.21s
[INFO] running `Command { std: "docker" "inspect" "04dedbfe22d50990d1ba38643d39864fb916f08ffd7e55bd2620dbfa9c1e4079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dedbfe22d50990d1ba38643d39864fb916f08ffd7e55bd2620dbfa9c1e4079", kill_on_drop: false }`
[INFO] [stdout] 04dedbfe22d50990d1ba38643d39864fb916f08ffd7e55bd2620dbfa9c1e4079