[INFO] cloning repository https://github.com/multiplealiases/brancharch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/multiplealiases/brancharch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmultiplealiases%2Fbrancharch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmultiplealiases%2Fbrancharch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfbd5a2abb6c51e35930a226849a30af3bd02a65
[INFO] checking multiplealiases/brancharch against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmultiplealiases%2Fbrancharch" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/multiplealiases/brancharch
[INFO] finished tweaking git repo https://github.com/multiplealiases/brancharch
[INFO] tweaked toml for git repo https://github.com/multiplealiases/brancharch written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/multiplealiases/brancharch on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/multiplealiases/brancharch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59e489b80d88190ef7a82020aaf62200d7f2acf57f2d37e8660344702a714599
[INFO] running `Command { std: "docker" "start" "-a" "59e489b80d88190ef7a82020aaf62200d7f2acf57f2d37e8660344702a714599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e489b80d88190ef7a82020aaf62200d7f2acf57f2d37e8660344702a714599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e489b80d88190ef7a82020aaf62200d7f2acf57f2d37e8660344702a714599", kill_on_drop: false }`
[INFO] [stdout] 59e489b80d88190ef7a82020aaf62200d7f2acf57f2d37e8660344702a714599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785c6c168834c3e8d8c887f1ff7abfd6dc5820a9c06d95d54d4e23fbcdf7bc3e
[INFO] running `Command { std: "docker" "start" "-a" "785c6c168834c3e8d8c887f1ff7abfd6dc5820a9c06d95d54d4e23fbcdf7bc3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.21.1
[INFO] [stderr]    Compiling proc-macro-crate v3.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]     Checking brancharch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `regs`, `reverse_by`, `peek_mem`, and `poke_reg` are never used
[INFO] [stdout]   --> src/machine.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Machine {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn regs(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn reverse_by(&mut self, displacement: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn peek_mem(&self, at: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn poke_reg(&mut self, reg: usize, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `regs`, `reverse_by`, `peek_mem`, and `poke_reg` are never used
[INFO] [stdout]   --> src/machine.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Machine {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn regs(&self) -> [u8; 4] {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn reverse_by(&mut self, displacement: u16) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     pub fn peek_mem(&self, at: u16) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 83 |     pub fn poke_reg(&mut self, reg: usize, value: u8) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "785c6c168834c3e8d8c887f1ff7abfd6dc5820a9c06d95d54d4e23fbcdf7bc3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785c6c168834c3e8d8c887f1ff7abfd6dc5820a9c06d95d54d4e23fbcdf7bc3e", kill_on_drop: false }`
[INFO] [stdout] 785c6c168834c3e8d8c887f1ff7abfd6dc5820a9c06d95d54d4e23fbcdf7bc3e