[INFO] cloning repository https://github.com/mvanotti/hwp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mvanotti/hwp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvanotti%2Fhwp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvanotti%2Fhwp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d07109c8eb6a5b0dfda357d691007fef4391943
[INFO] checking mvanotti/hwp against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmvanotti%2Fhwp" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mvanotti/hwp on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mvanotti/hwp
[INFO] finished tweaking git repo https://github.com/mvanotti/hwp
[INFO] tweaked toml for git repo https://github.com/mvanotti/hwp written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mvanotti/hwp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548e6fa21448898484d84c9e123ab4bc8e469accc98b6e13b6bf46f77bc7e2e4
[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" "548e6fa21448898484d84c9e123ab4bc8e469accc98b6e13b6bf46f77bc7e2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548e6fa21448898484d84c9e123ab4bc8e469accc98b6e13b6bf46f77bc7e2e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548e6fa21448898484d84c9e123ab4bc8e469accc98b6e13b6bf46f77bc7e2e4", kill_on_drop: false }`
[INFO] [stdout] 548e6fa21448898484d84c9e123ab4bc8e469accc98b6e13b6bf46f77bc7e2e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aabb4cd4dff7089eeaea9022be8fc683cf87e499864d10e8c1d58d8932e13dc
[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" "3aabb4cd4dff7089eeaea9022be8fc683cf87e499864d10e8c1d58d8932e13dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking nix v0.21.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking hwp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `hwp_req`
[INFO] [stdout]    --> src/main.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |         let hwp_req = msrs::IA32HWPRequest {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hwp_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hwp_req`
[INFO] [stdout]    --> src/main.rs:640:13
[INFO] [stdout]     |
[INFO] [stdout] 640 |         let hwp_req = msrs::IA32HWPRequest {
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hwp_req`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_msr`
[INFO] [stdout]    --> src/main.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn write_msr(cpu: usize, msr: i64, val: u64) -> Result<(), nix::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_msr`
[INFO] [stdout]    --> src/main.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn write_msr(cpu: usize, msr: i64, val: u64) -> Result<(), nix::Error> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.38s
[INFO] running `Command { std: "docker" "inspect" "3aabb4cd4dff7089eeaea9022be8fc683cf87e499864d10e8c1d58d8932e13dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aabb4cd4dff7089eeaea9022be8fc683cf87e499864d10e8c1d58d8932e13dc", kill_on_drop: false }`
[INFO] [stdout] 3aabb4cd4dff7089eeaea9022be8fc683cf87e499864d10e8c1d58d8932e13dc