[INFO] updating cached repository https://github.com/SoryRawyer/scratchrs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 73c0e82e7c315f015d0bdd0872f52f5935e2530f
[INFO] checking SoryRawyer/scratchrs against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoryRawyer%2Fscratchrs" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SoryRawyer/scratchrs on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SoryRawyer/scratchrs
[INFO] finished tweaking git repo https://github.com/SoryRawyer/scratchrs
[INFO] tweaked toml for git repo https://github.com/SoryRawyer/scratchrs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/SoryRawyer/scratchrs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20c67d5a7937e7e581f4c64a0fcceaae9f1071baf54efbccf5782a591a7f0af2
[INFO] running `"docker" "start" "-a" "20c67d5a7937e7e581f4c64a0fcceaae9f1071baf54efbccf5782a591a7f0af2"`
[INFO] [stderr]    Compiling ears v0.5.1
[INFO] [stderr]     Checking std-semaphore v0.1.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]    Compiling simplemad_sys v0.5.0
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking robust-arduino-serial v0.1.1
[INFO] [stderr]     Checking simplemad v0.9.0
[INFO] [stderr]     Checking serialport v2.3.0
[INFO] [stderr]     Checking scratch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `ReadBytesExt`
[INFO] [stderr]  --> examples/byteorder.rs:3:57
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, WriteBytesExt, LittleEndian, ReadBytesExt};
[INFO] [stderr]   |                                                         ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `cpal`
[INFO] [stderr]  --> examples/cool_tones.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate cpal;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: could not compile `scratch`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> examples/luma_chroma.rs:29:7
[INFO] [stderr]    |
[INFO] [stderr] 29 |   for x in (i * 16)..((i + 1) * 16) {
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> examples/luma_chroma.rs:30:11
[INFO] [stderr]    |
[INFO] [stderr] 30 |       for y in (j * 16)..((j + 1) * 16) {
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> examples/luma_chroma.rs:35:7
[INFO] [stderr]    |
[INFO] [stderr] 35 |   for x in (i * 8)..((i + 1) * 8) {
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> examples/luma_chroma.rs:36:11
[INFO] [stderr]    |
[INFO] [stderr] 36 |       for y in (j * 8)..((j + 1) * 8) {
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> examples/luma_chroma.rs:41:7
[INFO] [stderr]    |
[INFO] [stderr] 41 |   for x in (i * 8)..((i + 1) * 8) {
[INFO] [stderr]    |       ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> examples/luma_chroma.rs:42:11
[INFO] [stderr]    |
[INFO] [stderr] 42 |       for y in (j * 8)..((j + 1) * 8) {
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `chroma_width`
[INFO] [stderr]   --> examples/luma_chroma.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | const chroma_width: i32=luma_width / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `chroma_height`
[INFO] [stderr]   --> examples/luma_chroma.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const chroma_height: i32=luma_height / 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `sps`
[INFO] [stderr]   --> examples/luma_chroma.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const sps: [u8; 11] = [ 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x0a, 0xf8, 0x41, 0xa2 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `pps`
[INFO] [stderr]   --> examples/luma_chroma.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const pps: [u8; 8] = [ 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x38, 0x80 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `slice_header`
[INFO] [stderr]   --> examples/luma_chroma.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const slice_header: [u8; 9] = [ 0x00, 0x00, 0x00, 0x01, 0x05, 0x88, 0x84, 0x21, 0xa0 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `macroblock_header`
[INFO] [stderr]   --> examples/luma_chroma.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const macroblock_header: [u8; 2] = [ 0x0d, 0x00 ];
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `luma_width` should have an upper case name
[INFO] [stderr]  --> examples/luma_chroma.rs:8:7
[INFO] [stderr]   |
[INFO] [stderr] 8 | const luma_width: i32=128;
[INFO] [stderr]   |       ^^^^^^^^^^ help: convert the identifier to upper case: `LUMA_WIDTH`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `luma_height` should have an upper case name
[INFO] [stderr]  --> examples/luma_chroma.rs:9:7
[INFO] [stderr]   |
[INFO] [stderr] 9 | const luma_height: i32=96;
[INFO] [stderr]   |       ^^^^^^^^^^^ help: convert the identifier to upper case: `LUMA_HEIGHT`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `chroma_width` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | const chroma_width: i32=luma_width / 2;
[INFO] [stderr]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `CHROMA_WIDTH`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `chroma_height` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:11:7
[INFO] [stderr]    |
[INFO] [stderr] 11 | const chroma_height: i32=luma_height / 2;
[INFO] [stderr]    |       ^^^^^^^^^^^^^ help: convert the identifier to upper case: `CHROMA_HEIGHT`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `sps` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const sps: [u8; 11] = [ 0x00, 0x00, 0x00, 0x01, 0x67, 0x42, 0x00, 0x0a, 0xf8, 0x41, 0xa2 ];
[INFO] [stderr]    |       ^^^ help: convert the identifier to upper case: `SPS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `pps` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:15:7
[INFO] [stderr]    |
[INFO] [stderr] 15 | const pps: [u8; 8] = [ 0x00, 0x00, 0x00, 0x01, 0x68, 0xce, 0x38, 0x80 ];
[INFO] [stderr]    |       ^^^ help: convert the identifier to upper case: `PPS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `slice_header` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const slice_header: [u8; 9] = [ 0x00, 0x00, 0x00, 0x01, 0x05, 0x88, 0x84, 0x21, 0xa0 ];
[INFO] [stderr]    |       ^^^^^^^^^^^^ help: convert the identifier to upper case: `SLICE_HEADER`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `macroblock_header` should have an upper case name
[INFO] [stderr]   --> examples/luma_chroma.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 17 | const macroblock_header: [u8; 2] = [ 0x0d, 0x00 ];
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `MACROBLOCK_HEADER`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Instant`
[INFO] [stderr]  --> examples/serial.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Instant;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/serial.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     port: Box<serialport::SerialPort>,
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn serialport::SerialPort`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "20c67d5a7937e7e581f4c64a0fcceaae9f1071baf54efbccf5782a591a7f0af2"`
[INFO] running `"docker" "rm" "-f" "20c67d5a7937e7e581f4c64a0fcceaae9f1071baf54efbccf5782a591a7f0af2"`
[INFO] [stdout] 20c67d5a7937e7e581f4c64a0fcceaae9f1071baf54efbccf5782a591a7f0af2