[INFO] updating cached repository Limeth/vulkanscratch
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Limeth/vulkanscratch
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/vulkanscratch" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Limeth/vulkanscratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Limeth/vulkanscratch'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Limeth/vulkanscratch" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Limeth/vulkanscratch"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Limeth/vulkanscratch'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12c8681d3db82df42c39e8f933d6535b6acac874
[INFO] sha for GitHub repo Limeth/vulkanscratch: 12c8681d3db82df42c39e8f933d6535b6acac874
[INFO] validating manifest of Limeth/vulkanscratch on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Limeth/vulkanscratch on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Limeth/vulkanscratch
[INFO] finished frobbing Limeth/vulkanscratch
[INFO] frobbed toml for Limeth/vulkanscratch written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Limeth/vulkanscratch/Cargo.toml
[INFO] started frobbing Limeth/vulkanscratch
[INFO] finished frobbing Limeth/vulkanscratch
[INFO] frobbed toml for Limeth/vulkanscratch written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Limeth/vulkanscratch/Cargo.toml
[INFO] crate Limeth/vulkanscratch already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Limeth/vulkanscratch against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Limeth/vulkanscratch:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f30641cdbc56dfc721ae7a94130114732bbaa0266b9e13978d1239199938bde
[INFO] running `"docker" "start" "-a" "7f30641cdbc56dfc721ae7a94130114732bbaa0266b9e13978d1239199938bde"`
[INFO] [stderr]    Compiling vulkano v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]     Checking vk-sys v0.3.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]     Checking half v1.0.2
[INFO] [stderr]    Compiling secp256k1 v0.8.1
[INFO] [stderr]    Compiling glsl-to-spirv v0.1.3 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]     Checking rayon-core v1.3.0
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]     Checking rayon v0.7.1
[INFO] [stderr]    Compiling vulkano-shaders v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]    Compiling vulkano-shader-derive v0.7.2 (https://github.com/vulkano-rs/vulkano#05dcbabb)
[INFO] [stderr]     Checking vulkanscratch v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/context.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `secp256k1_context` should have an upper camel case name
[INFO] [stderr]    --> src/context.rs:132:10
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub type secp256k1_context = secp256k1_context_struct;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Secp256k1Context`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::CommandBuffer`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vulkano::command_buffer::CommandBuffer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::submit::SubmitCommandBufferBuilder`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use vulkano::command_buffer::submit::SubmitCommandBufferBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:204:20
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 if (*expected_result != actual_result.is_ok()) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::default::Default`
[INFO] [stderr]  --> src/context.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::default::Default;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `secp256k1_context` should have an upper camel case name
[INFO] [stderr]    --> src/context.rs:132:10
[INFO] [stderr]     |
[INFO] [stderr] 132 | pub type secp256k1_context = secp256k1_context_struct;
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `Secp256k1Context`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::CommandBuffer`
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | use vulkano::command_buffer::CommandBuffer;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `vulkano::command_buffer::submit::SubmitCommandBufferBuilder`
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use vulkano::command_buffer::submit::SubmitCommandBufferBuilder;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use rand::Rng;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/main.rs:204:20
[INFO] [stderr]     |
[INFO] [stderr] 204 |                 if (*expected_result != actual_result.is_ok()) {
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut rng = OsRng::new().expect("Could not create a safe system random number generator.");
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut rng = OsRng::new().expect("Could not create a safe system random number generator.");
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/context.rs:202:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |         unsafe {
[INFO] [stderr]     |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 202 |                 _dummy0: unsafe { mem::zeroed() },
[INFO] [stderr]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `secp256k1_ge`
[INFO] [stderr]   --> src/context.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct secp256k1_ge {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/context.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn new() -> Secp256k1Context {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SECRET_KEY_INT_ARRAY_LENGTH`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const SECRET_KEY_INT_ARRAY_LENGTH: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PUBLIC_KEY_INT_ARRAY_LENGTH`
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const PUBLIC_KEY_INT_ARRAY_LENGTH: usize = SECRET_KEY_INT_ARRAY_LENGTH * 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `physical_device`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     physical_device: vulkano::instance::PhysicalDevice<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dummy`
[INFO] [stderr]    --> src/main.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     struct Dummy;
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/main.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut rng = OsRng::new().expect("Could not create a safe system random number generator.");
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let mut rng = OsRng::new().expect("Could not create a safe system random number generator.");
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]    --> src/context.rs:202:26
[INFO] [stderr]     |
[INFO] [stderr] 196 |         unsafe {
[INFO] [stderr]     |         ------ because it's nested under this `unsafe` block
[INFO] [stderr] ...
[INFO] [stderr] 202 |                 _dummy0: unsafe { mem::zeroed() },
[INFO] [stderr]     |                          ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `secp256k1_ge`
[INFO] [stderr]   --> src/context.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub struct secp256k1_ge {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/context.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn new() -> Secp256k1Context {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `SECRET_KEY_INT_ARRAY_LENGTH`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | const SECRET_KEY_INT_ARRAY_LENGTH: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `PUBLIC_KEY_INT_ARRAY_LENGTH`
[INFO] [stderr]   --> src/main.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const PUBLIC_KEY_INT_ARRAY_LENGTH: usize = SECRET_KEY_INT_ARRAY_LENGTH * 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `physical_device`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     physical_device: vulkano::instance::PhysicalDevice<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Dummy`
[INFO] [stderr]    --> src/main.rs:271:5
[INFO] [stderr]     |
[INFO] [stderr] 271 |     struct Dummy;
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "7f30641cdbc56dfc721ae7a94130114732bbaa0266b9e13978d1239199938bde"`
[INFO] running `"docker" "rm" "-f" "7f30641cdbc56dfc721ae7a94130114732bbaa0266b9e13978d1239199938bde"`
[INFO] [stdout] 7f30641cdbc56dfc721ae7a94130114732bbaa0266b9e13978d1239199938bde