[INFO] fetching crate libsweep 1.0.1...
[INFO] checking libsweep-1.0.1 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate libsweep 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate libsweep 1.0.1 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsweep 1.0.1
[INFO] finished tweaking crates.io crate libsweep 1.0.1
[INFO] tweaked toml for crates.io crate libsweep 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 2a0139f5ed93da770e0847e25b05b92f62dd162b428667b98e72ca0b227af5cf
[INFO] running `Command { std: "docker" "start" "-a" "2a0139f5ed93da770e0847e25b05b92f62dd162b428667b98e72ca0b227af5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a0139f5ed93da770e0847e25b05b92f62dd162b428667b98e72ca0b227af5cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a0139f5ed93da770e0847e25b05b92f62dd162b428667b98e72ca0b227af5cf", kill_on_drop: false }`
[INFO] [stdout] 2a0139f5ed93da770e0847e25b05b92f62dd162b428667b98e72ca0b227af5cf
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df674570de096fcde0277c65414c6c86ca8879437c66b97523776d270452f7a
[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" "6df674570de096fcde0277c65414c6c86ca8879437c66b97523776d270452f7a", kill_on_drop: false }`
[INFO] [stderr]     Checking libsweep v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{int32_t};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get_version() -> int32_t {
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:76:48
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_motor_speed(&self, speed_hertz: int32_t) -> Result<(), String> {
[INFO] [stdout]    |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn get_motor_speed(&self) -> Result<int32_t, String> {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]    --> src/lib.rs:100:45
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn get_sample_rate(&self) -> Result<int32_t, String> {
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn sweep_get_version() -> int32_t;
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn sweep_device_set_motor_speed(device: *const SweepDevice, hz: int32_t, error: *const *mut SweepError);
[INFO] [stdout]    |                                                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:27:99
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn sweep_device_get_motor_speed(device: *const SweepDevice, error: *const *mut SweepError) -> int32_t;
[INFO] [stdout]    |                                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:28:99
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn sweep_device_get_sample_rate(device: *const SweepDevice, error: *const *mut SweepError) -> int32_t;
[INFO] [stdout]    |                                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:30:68
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sweep_scan_get_number_of_samples(scan: *const SweepScan) -> int32_t;
[INFO] [stdout]    |                                                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn sweep_scan_get_angle(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:31:73
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn sweep_scan_get_angle(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:32:64
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sweep_scan_get_distance(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:32:76
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sweep_scan_get_distance(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:33:71
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sweep_scan_get_signal_strength(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:33:83
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sweep_scan_get_signal_strength(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | use libc::{int32_t};
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:64:29
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get_version() -> int32_t {
[INFO] [stdout]    |                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:76:48
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub fn set_motor_speed(&self, speed_hertz: int32_t) -> Result<(), String> {
[INFO] [stdout]    |                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub fn get_motor_speed(&self) -> Result<int32_t, String> {
[INFO] [stdout]    |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]    --> src/lib.rs:100:45
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn get_sample_rate(&self) -> Result<int32_t, String> {
[INFO] [stdout]     |                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn sweep_get_version() -> int32_t;
[INFO] [stdout]    |                               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:26:69
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn sweep_device_set_motor_speed(device: *const SweepDevice, hz: int32_t, error: *const *mut SweepError);
[INFO] [stdout]    |                                                                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:27:99
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn sweep_device_get_motor_speed(device: *const SweepDevice, error: *const *mut SweepError) -> int32_t;
[INFO] [stdout]    |                                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:28:99
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn sweep_device_get_sample_rate(device: *const SweepDevice, error: *const *mut SweepError) -> int32_t;
[INFO] [stdout]    |                                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:30:68
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sweep_scan_get_number_of_samples(scan: *const SweepScan) -> int32_t;
[INFO] [stdout]    |                                                                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:31:61
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn sweep_scan_get_angle(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:31:73
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn sweep_scan_get_angle(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:32:64
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sweep_scan_get_distance(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:32:76
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn sweep_scan_get_distance(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:33:71
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sweep_scan_get_signal_strength(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `libc::int32_t`: Use i32 instead.
[INFO] [stdout]   --> src/lib.rs:33:83
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn sweep_scan_get_signal_strength(scan: *const SweepScan, sample: int32_t) -> int32_t;
[INFO] [stdout]    |                                                                                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:55:86
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let device = sweep_device_construct_simple(CString::new(device).unwrap().as_ptr(), &err);
[INFO] [stdout]    |                                                        ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:55:86
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let device = sweep_device_construct_simple(CString::new(device).unwrap().as_ptr(), &err);
[INFO] [stdout]    |                                                        ----------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |                                                        |
[INFO] [stdout]    |                                                        this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned
[INFO] [stdout]    = help: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "6df674570de096fcde0277c65414c6c86ca8879437c66b97523776d270452f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df674570de096fcde0277c65414c6c86ca8879437c66b97523776d270452f7a", kill_on_drop: false }`
[INFO] [stdout] 6df674570de096fcde0277c65414c6c86ca8879437c66b97523776d270452f7a