[INFO] updating cached repository https://github.com/mdm/ronald
[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] 1a33ff503d81160f606367e418cd0b4aa94371fa
[INFO] checking mdm/ronald against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdm%2Fronald" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdm/ronald on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mdm/ronald
[INFO] finished tweaking git repo https://github.com/mdm/ronald
[INFO] tweaked toml for git repo https://github.com/mdm/ronald written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mdm/ronald already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 564ec3da9e5781d8ca6751f176a1d8254987b74826c12c45669bf7363fc51254
[INFO] running `"docker" "start" "-a" "564ec3da9e5781d8ca6751f176a1d8254987b74826c12c45669bf7363fc51254"`
[INFO] [stderr]     Checking ronald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]     --> src/cpu.rs:1086:5
[INFO] [stderr]      |
[INFO] [stderr] 1086 |     fn print_state(&self) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `timing`
[INFO] [stderr]    --> src/instruction.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn timing(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_next`
[INFO] [stderr]    --> src/instruction.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     pub fn decode_next<M: Read>(&mut self, memory: &M) -> (Instruction, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_file(path: &str) -> ROM {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_to_file`
[INFO] [stderr]   --> src/memory.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn write_to_file(&self, file: &mut File) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new() -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]   --> src/main.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn decode(path: &str) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_state`
[INFO] [stderr]     --> src/cpu.rs:1086:5
[INFO] [stderr]      |
[INFO] [stderr] 1086 |     fn print_state(&self) {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `timing`
[INFO] [stderr]    --> src/instruction.rs:196:5
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn timing(&self) -> usize {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `decode_next`
[INFO] [stderr]    --> src/instruction.rs:473:5
[INFO] [stderr]     |
[INFO] [stderr] 473 |     pub fn decode_next<M: Read>(&mut self, memory: &M) -> (Instruction, usize) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_file`
[INFO] [stderr]   --> src/memory.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_file(path: &str) -> ROM {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_to_file`
[INFO] [stderr]   --> src/memory.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn write_to_file(&self, file: &mut File) -> io::Result<()> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/memory.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     pub fn new() -> Memory {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decode`
[INFO] [stderr]   --> src/main.rs:46:4
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn decode(path: &str) {
[INFO] [stderr]    |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "564ec3da9e5781d8ca6751f176a1d8254987b74826c12c45669bf7363fc51254"`
[INFO] running `"docker" "rm" "-f" "564ec3da9e5781d8ca6751f176a1d8254987b74826c12c45669bf7363fc51254"`
[INFO] [stdout] 564ec3da9e5781d8ca6751f176a1d8254987b74826c12c45669bf7363fc51254