[INFO] updating cached repository https://github.com/niconii/nico2
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40e16490285cff22e0c50b15c2c98cf5cb2cc23d
[INFO] testing niconii/nico2 against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniconii%2Fnico2" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niconii/nico2 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niconii/nico2
[INFO] finished tweaking git repo https://github.com/niconii/nico2
[INFO] tweaked toml for git repo https://github.com/niconii/nico2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/niconii/nico2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ac84894bffb5698596e79c25a6e550c696ed76e44c737068a3a305894f5304
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "69ac84894bffb5698596e79c25a6e550c696ed76e44c737068a3a305894f5304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ac84894bffb5698596e79c25a6e550c696ed76e44c737068a3a305894f5304", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ac84894bffb5698596e79c25a6e550c696ed76e44c737068a3a305894f5304", kill_on_drop: false }`
[INFO] [stdout] 69ac84894bffb5698596e79c25a6e550c696ed76e44c737068a3a305894f5304
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9d95878f13d09472a95c48a9cf1f1a3ead8191cdfe93a9c63f11de916a2dd99
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f9d95878f13d09472a95c48a9cf1f1a3ead8191cdfe93a9c63f11de916a2dd99", kill_on_drop: false }`
[INFO] [stderr]    Compiling nico2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/cpu/stack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/cpu/alu.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]  --> src/memory.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary`
[INFO] [stdout]  --> src/cpu/alu.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary`
[INFO] [stdout]   --> src/cpu/alu.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stack`
[INFO] [stdout]   --> src/cpu/alu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]  --> src/cpu/opcode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Unary(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]  --> src/cpu/opcode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Binary(u8),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stack`
[INFO] [stdout]  --> src/cpu/opcode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Stack(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Register`
[INFO] [stdout]  --> src/cpu/opcode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Register(u8, bool),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]  --> src/cpu/opcode.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Control(u8, PartialAddr)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insts`
[INFO] [stdout]   --> src/cpu/opcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     insts: [Opcode; 5],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `slot`
[INFO] [stdout]   --> src/cpu/opcode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     slot: u8
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]   --> src/cpu/opcode.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn restart(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/cpu/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p`
[INFO] [stdout]   --> src/cpu/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     p: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> src/cpu/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     i: IWord,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     a: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> src/cpu/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     b: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dat`
[INFO] [stdout]   --> src/cpu/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dat: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret`
[INFO] [stdout]   --> src/cpu/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ret: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]   --> src/cpu/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     mem: MemoryMap
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump`
[INFO] [stdout]   --> src/cpu/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]   --> src/cpu/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_register`
[INFO] [stdout]   --> src/cpu/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_control`
[INFO] [stdout]   --> src/cpu/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "f9d95878f13d09472a95c48a9cf1f1a3ead8191cdfe93a9c63f11de916a2dd99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9d95878f13d09472a95c48a9cf1f1a3ead8191cdfe93a9c63f11de916a2dd99", kill_on_drop: false }`
[INFO] [stdout] f9d95878f13d09472a95c48a9cf1f1a3ead8191cdfe93a9c63f11de916a2dd99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec438fdab906537cd5a8f0049998f9263a7df293440690112b211f11cc6a85c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3ec438fdab906537cd5a8f0049998f9263a7df293440690112b211f11cc6a85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling nico2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/cpu/stack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/cpu/alu.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]  --> src/memory.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary`
[INFO] [stdout]  --> src/cpu/alu.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary`
[INFO] [stdout]   --> src/cpu/alu.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stack`
[INFO] [stdout]   --> src/cpu/alu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]  --> src/cpu/opcode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Unary(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]  --> src/cpu/opcode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Binary(u8),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stack`
[INFO] [stdout]  --> src/cpu/opcode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Stack(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Register`
[INFO] [stdout]  --> src/cpu/opcode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Register(u8, bool),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]  --> src/cpu/opcode.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Control(u8, PartialAddr)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insts`
[INFO] [stdout]   --> src/cpu/opcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     insts: [Opcode; 5],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `slot`
[INFO] [stdout]   --> src/cpu/opcode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     slot: u8
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]   --> src/cpu/opcode.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn restart(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/cpu/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p`
[INFO] [stdout]   --> src/cpu/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     p: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> src/cpu/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     i: IWord,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     a: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> src/cpu/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     b: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dat`
[INFO] [stdout]   --> src/cpu/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dat: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret`
[INFO] [stdout]   --> src/cpu/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ret: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]   --> src/cpu/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     mem: MemoryMap
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump`
[INFO] [stdout]   --> src/cpu/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]   --> src/cpu/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_register`
[INFO] [stdout]   --> src/cpu/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_control`
[INFO] [stdout]   --> src/cpu/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/cpu/stack.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:50:15
[INFO] [stdout]    |
[INFO] [stdout] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/cpu/mod.rs:51:15
[INFO] [stdout]    |
[INFO] [stdout] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stdout]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret`
[INFO] [stdout]   --> src/cpu/alu.rs:20:47
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:15:20
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stdout]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]  --> src/memory.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/memory.rs:10:29
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/memory.rs:10:41
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unary`
[INFO] [stdout]  --> src/cpu/alu.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `binary`
[INFO] [stdout]   --> src/cpu/alu.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `stack`
[INFO] [stdout]   --> src/cpu/alu.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Unary`
[INFO] [stdout]  --> src/cpu/opcode.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Unary(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Binary`
[INFO] [stdout]  --> src/cpu/opcode.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Binary(u8),
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stack`
[INFO] [stdout]  --> src/cpu/opcode.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Stack(u8),
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Register`
[INFO] [stdout]  --> src/cpu/opcode.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Register(u8, bool),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Control`
[INFO] [stdout]  --> src/cpu/opcode.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Control(u8, PartialAddr)
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insts`
[INFO] [stdout]   --> src/cpu/opcode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     insts: [Opcode; 5],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `slot`
[INFO] [stdout]   --> src/cpu/opcode.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     slot: u8
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/cpu/opcode.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `restart`
[INFO] [stdout]   --> src/cpu/opcode.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn restart(&mut self) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]   --> src/cpu/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p`
[INFO] [stdout]   --> src/cpu/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     p: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `i`
[INFO] [stdout]   --> src/cpu/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     i: IWord,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `a`
[INFO] [stdout]   --> src/cpu/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     a: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `b`
[INFO] [stdout]   --> src/cpu/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     b: Word,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dat`
[INFO] [stdout]   --> src/cpu/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     dat: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `ret`
[INFO] [stdout]   --> src/cpu/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     ret: Stack,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mem`
[INFO] [stdout]   --> src/cpu/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     mem: MemoryMap
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `jump`
[INFO] [stdout]   --> src/cpu/mod.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec`
[INFO] [stdout]   --> src/cpu/mod.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_register`
[INFO] [stdout]   --> src/cpu/mod.rs:46:8
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `exec_control`
[INFO] [stdout]   --> src/cpu/mod.rs:70:8
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 33 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "3ec438fdab906537cd5a8f0049998f9263a7df293440690112b211f11cc6a85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec438fdab906537cd5a8f0049998f9263a7df293440690112b211f11cc6a85c", kill_on_drop: false }`
[INFO] [stdout] 3ec438fdab906537cd5a8f0049998f9263a7df293440690112b211f11cc6a85c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e26437f59cf55c3a4a4bfb37500b16d590cc7a18c122671104549e579f50fb6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e26437f59cf55c3a4a4bfb37500b16d590cc7a18c122671104549e579f50fb6f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/cpu/stack.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/cpu/alu.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/memory.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stderr]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary`
[INFO] [stderr]  --> src/cpu/alu.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary`
[INFO] [stderr]   --> src/cpu/alu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stack`
[INFO] [stderr]   --> src/cpu/alu.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]  --> src/cpu/opcode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Unary(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/cpu/opcode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Binary(u8),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stack`
[INFO] [stderr]  --> src/cpu/opcode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Stack(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Register`
[INFO] [stderr]  --> src/cpu/opcode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Register(u8, bool),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Control`
[INFO] [stderr]  --> src/cpu/opcode.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Control(u8, PartialAddr)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `insts`
[INFO] [stderr]   --> src/cpu/opcode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     insts: [Opcode; 5],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `slot`
[INFO] [stderr]   --> src/cpu/opcode.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     slot: u8
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `restart`
[INFO] [stderr]   --> src/cpu/opcode.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn restart(&mut self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `at`
[INFO] [stderr]   --> src/cpu/stack.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p`
[INFO] [stderr]   --> src/cpu/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     p: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `i`
[INFO] [stderr]   --> src/cpu/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     i: IWord,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]   --> src/cpu/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     a: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]   --> src/cpu/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     b: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dat`
[INFO] [stderr]   --> src/cpu/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     dat: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ret`
[INFO] [stderr]   --> src/cpu/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ret: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mem`
[INFO] [stderr]   --> src/cpu/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     mem: MemoryMap
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `jump`
[INFO] [stderr]   --> src/cpu/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec`
[INFO] [stderr]   --> src/cpu/mod.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec_register`
[INFO] [stderr]   --> src/cpu/mod.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec_control`
[INFO] [stderr]   --> src/cpu/mod.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/cpu/stack.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |             (0...3, _) => (&mut self.a, op & 3), // a @ ! a!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/cpu/mod.rs:51:15
[INFO] [stderr]    |
[INFO] [stderr] 51 |             (4...7, _) => (&mut self.b, op & 3), // b @b !b b!
[INFO] [stderr]    |               ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ret`
[INFO] [stderr]   --> src/cpu/alu.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |                                               ^^^ help: if this is intentional, prefix it with an underscore: `_ret`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:16
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:15:20
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn inc_address(addr: Word) -> Word {
[INFO] [stderr]    |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]  --> src/memory.rs:6:24
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub fn read(&self, addr: Word) -> Word {
[INFO] [stderr]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/memory.rs:10:29
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/memory.rs:10:41
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn write(&mut self, addr: Word, value: Word) {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unary`
[INFO] [stderr]  --> src/cpu/alu.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn unary(operation: u8, dat: &mut Stack) {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `binary`
[INFO] [stderr]   --> src/cpu/alu.rs:20:8
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub fn binary(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `stack`
[INFO] [stderr]   --> src/cpu/alu.rs:38:8
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn stack(operation: u8, dat: &mut Stack, ret: &mut Stack) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unary`
[INFO] [stderr]  --> src/cpu/opcode.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Unary(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Binary`
[INFO] [stderr]  --> src/cpu/opcode.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Binary(u8),
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Stack`
[INFO] [stderr]  --> src/cpu/opcode.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Stack(u8),
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Register`
[INFO] [stderr]  --> src/cpu/opcode.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Register(u8, bool),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Control`
[INFO] [stderr]  --> src/cpu/opcode.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Control(u8, PartialAddr)
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `insts`
[INFO] [stderr]   --> src/cpu/opcode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     insts: [Opcode; 5],
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `slot`
[INFO] [stderr]   --> src/cpu/opcode.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     slot: u8
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/cpu/opcode.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(i: Word) -> IWord {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `restart`
[INFO] [stderr]   --> src/cpu/opcode.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn restart(&mut self) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `at`
[INFO] [stderr]   --> src/cpu/stack.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn at(&mut self, steps: i8) -> &mut Word {
[INFO] [stderr]    |        ^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `p`
[INFO] [stderr]   --> src/cpu/mod.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     p: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `i`
[INFO] [stderr]   --> src/cpu/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     i: IWord,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `a`
[INFO] [stderr]   --> src/cpu/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     a: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `b`
[INFO] [stderr]   --> src/cpu/mod.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     b: Word,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dat`
[INFO] [stderr]   --> src/cpu/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     dat: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ret`
[INFO] [stderr]   --> src/cpu/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     ret: Stack,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mem`
[INFO] [stderr]   --> src/cpu/mod.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     mem: MemoryMap
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `jump`
[INFO] [stderr]   --> src/cpu/mod.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn jump(&mut self, address: PartialAddr) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec`
[INFO] [stderr]   --> src/cpu/mod.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn exec(&mut self, opcode: Opcode) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec_register`
[INFO] [stderr]   --> src/cpu/mod.rs:46:8
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn exec_register(&mut self, op: u8, increment: bool) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `exec_control`
[INFO] [stderr]   --> src/cpu/mod.rs:70:8
[INFO] [stderr]    |
[INFO] [stderr] 70 |     fn exec_control(&mut self, operation: u8, address: PartialAddr) {
[INFO] [stderr]    |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 33 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nico2-b869a4a975e0e17c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nico2-257fe6ca6296af0a
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nico2
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e26437f59cf55c3a4a4bfb37500b16d590cc7a18c122671104549e579f50fb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e26437f59cf55c3a4a4bfb37500b16d590cc7a18c122671104549e579f50fb6f", kill_on_drop: false }`
[INFO] [stdout] e26437f59cf55c3a4a4bfb37500b16d590cc7a18c122671104549e579f50fb6f