[INFO] cloning repository https://github.com/tcsc/firkin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tcsc/firkin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Ffirkin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Ffirkin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f8ac950d81e40067a46ec29d9f360e11a01a6bf
[INFO] checking tcsc/firkin against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcsc%2Ffirkin" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcsc/firkin on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tcsc/firkin
[INFO] finished tweaking git repo https://github.com/tcsc/firkin
[INFO] tweaked toml for git repo https://github.com/tcsc/firkin written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tcsc/firkin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap v0.5.2
[INFO] [stderr]   Downloaded generic-array v0.5.1
[INFO] [stderr]   Downloaded dimensioned v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ed8ca0bea61510e23186f000381628b572034baa2761538f154030c56bf5c15
[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" "6ed8ca0bea61510e23186f000381628b572034baa2761538f154030c56bf5c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed8ca0bea61510e23186f000381628b572034baa2761538f154030c56bf5c15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed8ca0bea61510e23186f000381628b572034baa2761538f154030c56bf5c15", kill_on_drop: false }`
[INFO] [stdout] 6ed8ca0bea61510e23186f000381628b572034baa2761538f154030c56bf5c15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06f8c21f9cb50e933b61bcd5aab7c3597282cdaeeaffb0201154e8d2d33e42d9
[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" "06f8c21f9cb50e933b61bcd5aab7c3597282cdaeeaffb0201154e8d2d33e42d9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking odds v0.2.25
[INFO] [stderr]    Compiling dimensioned v0.6.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]    Compiling tempfile v2.1.5
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.9
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking generic-array v0.5.1
[INFO] [stderr]     Checking env_logger v0.4.2
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking firkin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/cli.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DistPxFrac`
[INFO] [stdout]  --> src/cli.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use units::{DistPx, DistPxFrac, PX};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/cli.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DistPxFrac`
[INFO] [stdout]  --> src/cli.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use units::{DistPx, DistPxFrac, PX};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/distort.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     use image::{self, OwnedImage, MutableImage};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/distort.rs:77:17
[INFO] [stdout]    |
[INFO] [stdout] 77 |     use units::{self, PX, DistPx};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::Image`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::Image;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `image::Image`
[INFO] [stdout]   --> src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use image::Image;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let i = image::MemoryMappedImage::<i16>::map_file(f.input.as_path(),
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]  --> src/distort.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/distort.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let i = image::MemoryMappedImage::<i16>::map_file(f.input.as_path(),
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]  --> src/distort.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |                  ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/distort.rs:7:29
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |                             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `DistPxFrac`
[INFO] [stdout]   --> src/units.rs:55:1
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub type DistPxFrac = Pixel<f64>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/image.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn new(width: DistPx, height: DistPx) -> OwnedImage<PixelType> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]    --> src/image.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     mem: Mmap,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map_dst_pixel`
[INFO] [stdout]  --> src/distort.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sample_image`
[INFO] [stdout]   --> src/distort.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn sample_image<ImageType>(i: &ImageType, u: DistPxFrac, v: DistPxFrac) -> i16
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `pixel_or_black`
[INFO] [stdout]   --> src/distort.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn pixel_or_black<ImageType>(i: &ImageType, x: DistPx, y: DistPx) -> f64
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]    --> src/image.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     mem: Mmap,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `map_dst_pixel`
[INFO] [stdout]  --> src/distort.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn map_dst_pixel(u: DistPx, y: DistPx) -> (DistPxFrac, DistPxFrac) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.07s
[INFO] running `Command { std: "docker" "inspect" "06f8c21f9cb50e933b61bcd5aab7c3597282cdaeeaffb0201154e8d2d33e42d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06f8c21f9cb50e933b61bcd5aab7c3597282cdaeeaffb0201154e8d2d33e42d9", kill_on_drop: false }`
[INFO] [stdout] 06f8c21f9cb50e933b61bcd5aab7c3597282cdaeeaffb0201154e8d2d33e42d9