[INFO] cloning repository https://github.com/pujan-p/Rust-Single-Cycle-CPU
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pujan-p/Rust-Single-Cycle-CPU" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpujan-p%2FRust-Single-Cycle-CPU", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpujan-p%2FRust-Single-Cycle-CPU'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17868db37ca224e71bee454c36c12cdb8b51f6f2
[INFO] testing pujan-p/Rust-Single-Cycle-CPU against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpujan-p%2FRust-Single-Cycle-CPU" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pujan-p/Rust-Single-Cycle-CPU on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pujan-p/Rust-Single-Cycle-CPU
[INFO] finished tweaking git repo https://github.com/pujan-p/Rust-Single-Cycle-CPU
[INFO] tweaked toml for git repo https://github.com/pujan-p/Rust-Single-Cycle-CPU written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pujan-p/Rust-Single-Cycle-CPU 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a4aad7a4b2029aa687af66408d47d317782e525bd0c6624ef171c539960dd0b
[INFO] running `Command { std: "docker" "start" "-a" "3a4aad7a4b2029aa687af66408d47d317782e525bd0c6624ef171c539960dd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a4aad7a4b2029aa687af66408d47d317782e525bd0c6624ef171c539960dd0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a4aad7a4b2029aa687af66408d47d317782e525bd0c6624ef171c539960dd0b", kill_on_drop: false }`
[INFO] [stdout] 3a4aad7a4b2029aa687af66408d47d317782e525bd0c6624ef171c539960dd0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42c96f8366c8b3fb4bbc7f6f29f11c7bb24e1344673aae340890056447d4445f
[INFO] running `Command { std: "docker" "start" "-a" "42c96f8366c8b3fb4bbc7f6f29f11c7bb24e1344673aae340890056447d4445f", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_cycle_cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `SB`, `U`, and `UJ` are never constructed
[INFO] [stdout]   --> src/decode.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Format {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     SB,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     U,
[INFO] [stdout]    |     ^
[INFO] [stdout] 46 |     UJ,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Format` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AddI`, `SubI`, `Load`, and `Store` are never constructed
[INFO] [stdout]   --> src/decode.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum AluOP {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     AddI,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     SubI,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 57 |     Load,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 58 |     Store,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AluOP` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_data` is never used
[INFO] [stdout]    --> src/decode.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn write_data() -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `read_data` is never read
[INFO] [stdout]   --> src/data_mem.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct DataMemRsp {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     pub read_data: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataMemRsp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "42c96f8366c8b3fb4bbc7f6f29f11c7bb24e1344673aae340890056447d4445f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42c96f8366c8b3fb4bbc7f6f29f11c7bb24e1344673aae340890056447d4445f", kill_on_drop: false }`
[INFO] [stdout] 42c96f8366c8b3fb4bbc7f6f29f11c7bb24e1344673aae340890056447d4445f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5da227ca5dc82fa38b1ed1d3c5c3d7ec43f4ad9c535c0561036d16a487fcdd9a
[INFO] running `Command { std: "docker" "start" "-a" "5da227ca5dc82fa38b1ed1d3c5c3d7ec43f4ad9c535c0561036d16a487fcdd9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling single_cycle_cpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `SB`, `U`, and `UJ` are never constructed
[INFO] [stdout]   --> src/decode.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub enum Format {
[INFO] [stdout]    |          ------ variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 44 |     SB,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     U,
[INFO] [stdout]    |     ^
[INFO] [stdout] 46 |     UJ,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Format` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `AddI`, `SubI`, `Load`, and `Store` are never constructed
[INFO] [stdout]   --> src/decode.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub enum AluOP {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 55 |     AddI,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 56 |     SubI,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 57 |     Load,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 58 |     Store,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AluOP` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_data` is never used
[INFO] [stdout]    --> src/decode.rs:110:8
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub fn write_data() -> u32 {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `read_data` is never read
[INFO] [stdout]   --> src/data_mem.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct DataMemRsp {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 14 |     pub read_data: u32,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DataMemRsp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "5da227ca5dc82fa38b1ed1d3c5c3d7ec43f4ad9c535c0561036d16a487fcdd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5da227ca5dc82fa38b1ed1d3c5c3d7ec43f4ad9c535c0561036d16a487fcdd9a", kill_on_drop: false }`
[INFO] [stdout] 5da227ca5dc82fa38b1ed1d3c5c3d7ec43f4ad9c535c0561036d16a487fcdd9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 377800b32cf3275991d1a9da2c4bc2cfad9571afcbfcc0a974fc1f1189432ebe
[INFO] running `Command { std: "docker" "start" "-a" "377800b32cf3275991d1a9da2c4bc2cfad9571afcbfcc0a974fc1f1189432ebe", kill_on_drop: false }`
[INFO] [stderr] warning: variants `SB`, `U`, and `UJ` are never constructed
[INFO] [stderr]   --> src/decode.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub enum Format {
[INFO] [stderr]    |          ------ variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 44 |     SB,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 45 |     U,
[INFO] [stderr]    |     ^
[INFO] [stderr] 46 |     UJ,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Format` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variants `AddI`, `SubI`, `Load`, and `Store` are never constructed
[INFO] [stderr]   --> src/decode.rs:55:5
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub enum AluOP {
[INFO] [stderr]    |          ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 55 |     AddI,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 56 |     SubI,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 57 |     Load,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 58 |     Store,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AluOP` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `write_data` is never used
[INFO] [stderr]    --> src/decode.rs:110:8
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn write_data() -> u32 {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `read_data` is never read
[INFO] [stderr]   --> src/data_mem.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct DataMemRsp {
[INFO] [stderr]    |            ---------- field in this struct
[INFO] [stderr] 14 |     pub read_data: u32,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `DataMemRsp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `single_cycle_cpu` (bin "single_cycle_cpu" test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/single_cycle_cpu-c8086690e3b935ee)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "377800b32cf3275991d1a9da2c4bc2cfad9571afcbfcc0a974fc1f1189432ebe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377800b32cf3275991d1a9da2c4bc2cfad9571afcbfcc0a974fc1f1189432ebe", kill_on_drop: false }`
[INFO] [stdout] 377800b32cf3275991d1a9da2c4bc2cfad9571afcbfcc0a974fc1f1189432ebe