[INFO] cloning repository https://github.com/XantreDev/sim86
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/XantreDev/sim86" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXantreDev%2Fsim86", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXantreDev%2Fsim86'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ec05d9ebb155d758890208e447a379eb8e7ae22
[INFO] testing XantreDev/sim86 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXantreDev%2Fsim86" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/XantreDev/sim86
[INFO] finished tweaking git repo https://github.com/XantreDev/sim86
[INFO] tweaked toml for git repo https://github.com/XantreDev/sim86 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/XantreDev/sim86 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/XantreDev/sim86 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33734f2679106ad8c52c5162b77626fa1c79645a8b28edd4899f014e7597c433
[INFO] running `Command { std: "docker" "start" "-a" "33734f2679106ad8c52c5162b77626fa1c79645a8b28edd4899f014e7597c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33734f2679106ad8c52c5162b77626fa1c79645a8b28edd4899f014e7597c433", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33734f2679106ad8c52c5162b77626fa1c79645a8b28edd4899f014e7597c433", kill_on_drop: false }`
[INFO] [stdout] 33734f2679106ad8c52c5162b77626fa1c79645a8b28edd4899f014e7597c433
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7e4499c2be17b707bff8fb73ab3c4ff012f8b4c5c948c3c50f33e95ce9eeca
[INFO] running `Command { std: "docker" "start" "-a" "0a7e4499c2be17b707bff8fb73ab3c4ff012f8b4c5c948c3c50f33e95ce9eeca", kill_on_drop: false }`
[INFO] [stderr]    Compiling sim86 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stdout]     --> src/simulator.rs:1339:21
[INFO] [stdout]      |
[INFO] [stdout] 1339 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stdout]     --> src/simulator.rs:1362:21
[INFO] [stdout]      |
[INFO] [stdout] 1362 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_seen_before` is never used
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Sized> CliOptionState<T> {
[INFO] [stdout]    | -------------------------------- method in this implementation
[INFO] [stdout] 62 |     fn is_seen_before(self: &Self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `if_some_ref` is never used
[INFO] [stdout]     --> src/simulator.rs:1296:8
[INFO] [stdout]      |
[INFO] [stdout] 1295 | trait SomeTakable<T> {
[INFO] [stdout]      |       ----------- method in this trait
[INFO] [stdout] 1296 |     fn if_some_ref<F: FnOnce(&T)>(&self, mapper: F);
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_u16_ref` and `as_u16_ref_mut` are never used
[INFO] [stdout]     --> src/simulator.rs:1315:8
[INFO] [stdout]      |
[INFO] [stdout] 1314 | trait SimulatorMemory {
[INFO] [stdout]      |       --------------- methods in this trait
[INFO] [stdout] 1315 |     fn as_u16_ref(&self) -> &[u16];
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1316 |     fn as_u16_ref_mut(&mut self) -> &mut [u16];
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "0a7e4499c2be17b707bff8fb73ab3c4ff012f8b4c5c948c3c50f33e95ce9eeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7e4499c2be17b707bff8fb73ab3c4ff012f8b4c5c948c3c50f33e95ce9eeca", kill_on_drop: false }`
[INFO] [stdout] 0a7e4499c2be17b707bff8fb73ab3c4ff012f8b4c5c948c3c50f33e95ce9eeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aeccd9fbcf3949a95b4b20023c256bff63aa0f382baf99bfb83749ca2ff12a7
[INFO] running `Command { std: "docker" "start" "-a" "4aeccd9fbcf3949a95b4b20023c256bff63aa0f382baf99bfb83749ca2ff12a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling similar v2.6.0
[INFO] [stderr]    Compiling console v0.15.10
[INFO] [stderr]    Compiling insta v1.42.0
[INFO] [stderr]    Compiling sim86 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stdout]     --> src/simulator.rs:1339:21
[INFO] [stdout]      |
[INFO] [stdout] 1339 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stdout]     --> src/simulator.rs:1362:21
[INFO] [stdout]      |
[INFO] [stdout] 1362 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider using a Cargo feature instead
[INFO] [stdout]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]               [lints.rust]
[INFO] [stdout]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stdout]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stdout]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ExitStatus`
[INFO] [stdout]    --> src/main.rs:190:28
[INFO] [stdout]     |
[INFO] [stdout] 190 |         process::{Command, ExitStatus},
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_seen_before` is never used
[INFO] [stdout]   --> src/main.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | impl<T: Sized> CliOptionState<T> {
[INFO] [stdout]    | -------------------------------- method in this implementation
[INFO] [stdout] 62 |     fn is_seen_before(self: &Self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `if_some_ref` is never used
[INFO] [stdout]     --> src/simulator.rs:1296:8
[INFO] [stdout]      |
[INFO] [stdout] 1295 | trait SomeTakable<T> {
[INFO] [stdout]      |       ----------- method in this trait
[INFO] [stdout] 1296 |     fn if_some_ref<F: FnOnce(&T)>(&self, mapper: F);
[INFO] [stdout]      |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_u16_ref` and `as_u16_ref_mut` are never used
[INFO] [stdout]     --> src/simulator.rs:1315:8
[INFO] [stdout]      |
[INFO] [stdout] 1314 | trait SimulatorMemory {
[INFO] [stdout]      |       --------------- methods in this trait
[INFO] [stdout] 1315 |     fn as_u16_ref(&self) -> &[u16];
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] 1316 |     fn as_u16_ref_mut(&mut self) -> &mut [u16];
[INFO] [stdout]      |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.45s
[INFO] running `Command { std: "docker" "inspect" "4aeccd9fbcf3949a95b4b20023c256bff63aa0f382baf99bfb83749ca2ff12a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aeccd9fbcf3949a95b4b20023c256bff63aa0f382baf99bfb83749ca2ff12a7", kill_on_drop: false }`
[INFO] [stdout] 4aeccd9fbcf3949a95b4b20023c256bff63aa0f382baf99bfb83749ca2ff12a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 606f9c3298b2bdc5f6153732e6be818512b7fc99c0f5cfa0983fa9312b7a853b
[INFO] running `Command { std: "docker" "start" "-a" "606f9c3298b2bdc5f6153732e6be818512b7fc99c0f5cfa0983fa9312b7a853b", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stderr]     --> src/simulator.rs:1339:21
[INFO] [stderr]      |
[INFO] [stderr] 1339 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]      = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `prefer_native_ops`
[INFO] [stderr]     --> src/simulator.rs:1362:21
[INFO] [stderr]      |
[INFO] [stderr] 1362 |         if cfg!(not(prefer_native_ops = "false")) && cfg!(target_endian = "little") {
[INFO] [stderr]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: consider using a Cargo feature instead
[INFO] [stderr]      = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]               [lints.rust]
[INFO] [stderr]               unexpected_cfgs = { level = "warn", check-cfg = ['cfg(prefer_native_ops, values("false"))'] }
[INFO] [stderr]      = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(prefer_native_ops, values(\"false\"))");` to the top of the `build.rs`
[INFO] [stderr]      = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExitStatus`
[INFO] [stderr]    --> src/main.rs:190:28
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 6 tests
[INFO] [stderr] 190 |         process::{Command, ExitStatus},
[INFO] [stdout] test simulator::test_execute_add ... ok
[INFO] [stderr]     |                            ^^^^^^^^^^
[INFO] [stdout] test simulator::test_produce_flags ... ok
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_seen_before` is never used
[INFO] [stderr]   --> src/main.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 61 | impl<T: Sized> CliOptionState<T> {
[INFO] [stderr]    | -------------------------------- method in this implementation
[INFO] [stderr] 62 |     fn is_seen_before(self: &Self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `if_some_ref` is never used
[INFO] [stderr]     --> src/simulator.rs:1296:8
[INFO] [stderr]      |
[INFO] [stderr] 1295 | trait SomeTakable<T> {
[INFO] [stderr]      |       ----------- method in this trait
[INFO] [stderr] 1296 |     fn if_some_ref<F: FnOnce(&T)>(&self, mapper: F);
[INFO] [stderr]      |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `as_u16_ref` and `as_u16_ref_mut` are never used
[INFO] [stderr]     --> src/simulator.rs:1315:8
[INFO] [stderr]      |
[INFO] [stderr] 1314 | trait SimulatorMemory {
[INFO] [stderr]      |       --------------- methods in this trait
[INFO] [stderr] 1315 |     fn as_u16_ref(&self) -> &[u16];
[INFO] [stderr]      |        ^^^^^^^^^^
[INFO] [stderr] 1316 |     fn as_u16_ref_mut(&mut self) -> &mut [u16];
[INFO] [stderr]      |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `sim86` (bin "sim86" test) generated 6 warnings (run `cargo fix --bin "sim86" -p sim86 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/sim86-349bb8dae89dd0bb)
[INFO] [stdout] test simulator::test_execute_sub ... ok
[INFO] [stdout] test tests::test_parser ... FAILED
[INFO] [stdout] test tests::test_estimation ... ok
[INFO] [stdout] test tests::test_execution ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::test_parser stdout ----
[INFO] [stdout] checking './input/listing_0037_single_register_mov'
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::test_parser' (30) panicked at src/main.rs:238:43:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56f04c2dc6d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56f04c2dc6d2 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56f04c2dc6d2 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56f04c2dc6d2 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56f04c2f3d8a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56f04c2f3d8a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x56f04c2e17f6 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56f04c2e17f6 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56f04c2b885f - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56f04c2b885f - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56f04c2d3bb9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56f04c26d5fe - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56f04c26d5fe - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56f04c2d3d72 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56f04c2d3d72 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56f04c2b8918 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56f04c2ad769 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56f04c2b980d - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56f04c2f448c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56f04c2f4202 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x56f04c1c0c6d - <core[585f66e14d78f9ba]::result::Result<(), std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x56f04c1c0c6d - sim86[1385dac08a4d791f]::tests::test_parser
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:238:43
[INFO] [stdout]   22:     0x56f04c1bf667 - sim86[1385dac08a4d791f]::tests::test_parser::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:216:21
[INFO] [stdout]   23:     0x56f04c1c9fb6 - <sim86[1385dac08a4d791f]::tests::test_parser::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56f04c2619ab - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56f04c2619ab - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56f04c26e20a - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56f04c26e20a - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56f04c26e20a - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56f04c26e20a - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56f04c26e20a - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56f04c26e20a - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56f04c26e20a - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56f04c2686d4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56f04c2686d4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56f04c270d02 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56f04c270d02 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56f04c270d02 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56f04c270d02 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56f04c270d02 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56f04c270d02 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56f04c270d02 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56f04c2db6af - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56f04c2db6af - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   44:     0x76f62d08baa4 - <unknown>
[INFO] [stdout]   45:     0x76f62d118a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::test_parser
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 5 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin sim86`
[INFO] running `Command { std: "docker" "inspect" "606f9c3298b2bdc5f6153732e6be818512b7fc99c0f5cfa0983fa9312b7a853b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606f9c3298b2bdc5f6153732e6be818512b7fc99c0f5cfa0983fa9312b7a853b", kill_on_drop: false }`
[INFO] [stdout] 606f9c3298b2bdc5f6153732e6be818512b7fc99c0f5cfa0983fa9312b7a853b
