[INFO] fetching crate secret_mem 0.1.0...
[INFO] checking secret_mem-0.1.0 against try#5785402183672f7786e9dc343d7b435bdaf4a4bc for pr-138001
[INFO] extracting crate secret_mem 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate secret_mem 0.1.0 on toolchain 5785402183672f7786e9dc343d7b435bdaf4a4bc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate secret_mem 0.1.0
[INFO] finished tweaking crates.io crate secret_mem 0.1.0
[INFO] tweaked toml for crates.io crate secret_mem 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b7773895d846df2c590a0668c673278a0311774cb2e21bb9f8b01cd9df795c8
[INFO] running `Command { std: "docker" "start" "-a" "9b7773895d846df2c590a0668c673278a0311774cb2e21bb9f8b01cd9df795c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b7773895d846df2c590a0668c673278a0311774cb2e21bb9f8b01cd9df795c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b7773895d846df2c590a0668c673278a0311774cb2e21bb9f8b01cd9df795c8", kill_on_drop: false }`
[INFO] [stdout] 9b7773895d846df2c590a0668c673278a0311774cb2e21bb9f8b01cd9df795c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5785402183672f7786e9dc343d7b435bdaf4a4bc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56ed3520df10cde9eb51fe3aa55e36e60504c0788f61282e0e3e03437f4b25e8
[INFO] running `Command { std: "docker" "start" "-a" "56ed3520df10cde9eb51fe3aa55e36e60504c0788f61282e0e3e03437f4b25e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking secret_mem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn alloc(layout: Layout) -> io::Result<NonNull<u8>> {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn alloc(layout: Layout) -> io::Result<NonNull<u8>> {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SecretAllocator` is never used
[INFO] [stdout]   --> src/alloc/mod.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait SecretAllocator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnixSecretAllocator` is never constructed
[INFO] [stdout]   --> src/alloc/unix.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct UnixSecretAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WindowsSecretAllocator` is never constructed
[INFO] [stdout]   --> src/alloc/windows.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct WindowsSecretAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `page_size` is never used
[INFO] [stdout]   --> src/alloc/mod.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn page_size() -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn alloc(layout: Layout) -> io::Result<NonNull<u8>> {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/unix.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/unix.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn alloc(layout: Layout) -> io::Result<NonNull<u8>> {
[INFO] [stdout]    |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:18:23
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                       ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn make_read_only(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                      ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:22:40
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn make_writable(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ptr`
[INFO] [stdout]   --> src/alloc/windows.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_ptr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `layout`
[INFO] [stdout]   --> src/alloc/windows.rs:26:34
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn dealloc(ptr: NonNull<u8>, layout: Layout) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_layout`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SecretAllocator` is never used
[INFO] [stdout]   --> src/alloc/mod.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub trait SecretAllocator {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnixSecretAllocator` is never constructed
[INFO] [stdout]   --> src/alloc/unix.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct UnixSecretAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WindowsSecretAllocator` is never constructed
[INFO] [stdout]   --> src/alloc/windows.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct WindowsSecretAllocator;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `page_size` is never used
[INFO] [stdout]   --> src/alloc/mod.rs:84:12
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub fn page_size() -> usize {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "56ed3520df10cde9eb51fe3aa55e36e60504c0788f61282e0e3e03437f4b25e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56ed3520df10cde9eb51fe3aa55e36e60504c0788f61282e0e3e03437f4b25e8", kill_on_drop: false }`
[INFO] [stdout] 56ed3520df10cde9eb51fe3aa55e36e60504c0788f61282e0e3e03437f4b25e8