[INFO] fetching crate iz80 0.1.0... [INFO] checking iz80-0.1.0 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530 [INFO] extracting crate iz80 0.1.0 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate iz80 0.1.0 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate iz80 0.1.0 [INFO] finished tweaking crates.io crate iz80 0.1.0 [INFO] tweaked toml for crates.io crate iz80 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate iz80 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "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] 0146351bce8773b2772d012706250aceb610a27e2aae31b6a0f97eb0d902ad6a [INFO] running `"docker" "start" "-a" "0146351bce8773b2772d012706250aceb610a27e2aae31b6a0f97eb0d902ad6a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking iz80 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_io.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_io.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:43:9 [INFO] [stderr] | [INFO] [stderr] 43 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:61:9 [INFO] [stderr] | [INFO] [stderr] 61 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_ld.rs:90:9 [INFO] [stderr] | [INFO] [stderr] 90 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes.rs:25:9 [INFO] [stderr] | [INFO] [stderr] 25 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:57:9 [INFO] [stderr] | [INFO] [stderr] 57 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:74:9 [INFO] [stderr] | [INFO] [stderr] 74 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:91:9 [INFO] [stderr] | [INFO] [stderr] 91 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:37:9 [INFO] [stderr] | [INFO] [stderr] 37 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:108:9 [INFO] [stderr] | [INFO] [stderr] 108 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:51:9 [INFO] [stderr] | [INFO] [stderr] 51 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:65:9 [INFO] [stderr] | [INFO] [stderr] 65 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:142:9 [INFO] [stderr] | [INFO] [stderr] 142 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:81:9 [INFO] [stderr] | [INFO] [stderr] 81 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:97:9 [INFO] [stderr] | [INFO] [stderr] 97 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:112:9 [INFO] [stderr] | [INFO] [stderr] 112 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:159:9 [INFO] [stderr] | [INFO] [stderr] 159 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_jumps.rs:125:9 [INFO] [stderr] | [INFO] [stderr] 125 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:36:9 [INFO] [stderr] | [INFO] [stderr] 36 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:50:9 [INFO] [stderr] | [INFO] [stderr] 50 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:193:9 [INFO] [stderr] | [INFO] [stderr] 193 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:210:9 [INFO] [stderr] | [INFO] [stderr] 210 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:92:9 [INFO] [stderr] | [INFO] [stderr] 92 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:224:9 [INFO] [stderr] | [INFO] [stderr] 224 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_bits.rs:242:9 [INFO] [stderr] | [INFO] [stderr] 242 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:106:9 [INFO] [stderr] | [INFO] [stderr] 106 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:120:9 [INFO] [stderr] | [INFO] [stderr] 120 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:134:9 [INFO] [stderr] | [INFO] [stderr] 134 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:148:9 [INFO] [stderr] | [INFO] [stderr] 148 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> tests/opcodes_arith.rs:163:9 [INFO] [stderr] | [INFO] [stderr] 163 | let mut cpu = Cpu::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.78s [INFO] running `"docker" "inspect" "0146351bce8773b2772d012706250aceb610a27e2aae31b6a0f97eb0d902ad6a"` [INFO] running `"docker" "rm" "-f" "0146351bce8773b2772d012706250aceb610a27e2aae31b6a0f97eb0d902ad6a"` [INFO] [stdout] 0146351bce8773b2772d012706250aceb610a27e2aae31b6a0f97eb0d902ad6a