[INFO] cloning repository https://github.com/p2mate/u64-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/p2mate/u64-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp2mate%2Fu64-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp2mate%2Fu64-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5839ecb7d821432e67c1bda9ca95f6ddcfbefde6
[INFO] testing p2mate/u64-monitor against 1.91.0 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp2mate%2Fu64-monitor" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/p2mate/u64-monitor
[INFO] finished tweaking git repo https://github.com/p2mate/u64-monitor
[INFO] tweaked toml for git repo https://github.com/p2mate/u64-monitor written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/p2mate/u64-monitor on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/p2mate/u64-monitor 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parse_int v0.5.0
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded ftp v3.0.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded lazy_static v0.1.16
[INFO] [stderr]   Downloaded vcd v0.6.1
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2d6592ba36c05aff61c3c36acbc02a5a71e206d348819a038a37b3cce9d143c
[INFO] running `Command { std: "docker" "start" "-a" "f2d6592ba36c05aff61c3c36acbc02a5a71e206d348819a038a37b3cce9d143c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2d6592ba36c05aff61c3c36acbc02a5a71e206d348819a038a37b3cce9d143c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d6592ba36c05aff61c3c36acbc02a5a71e206d348819a038a37b3cce9d143c", kill_on_drop: false }`
[INFO] [stdout] f2d6592ba36c05aff61c3c36acbc02a5a71e206d348819a038a37b3cce9d143c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fbc57ad2ff02355d1109364498118b2567dae1331e4a6597a1522ee03add3d1
[INFO] running `Command { std: "docker" "start" "-a" "3fbc57ad2ff02355d1109364498118b2567dae1331e4a6597a1522ee03add3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vcd v0.6.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling parse_int v0.5.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling u64-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]   --> src/u64ftp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SimulationCommand` and `Value`
[INFO] [stdout]    --> src/main.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         use vcd::{SimulationCommand, Value};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/u64ftp.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/u64ftp.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             FileType::File(l) => write!(
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 59 |             FileType::Dir => write!(
[INFO] [stdout]    |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 66 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Stop` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum UdpMinionCmd {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 35 |     Start(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stdout] 36 |     Stop(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UdpMinionCmd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `udp_rx_thread` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct UdpMinion {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     udp_rx_thread: thread::JoinHandle<anyhow::Result<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UdpMinion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_active` is never used
[INFO] [stdout]    --> src/ctrl6502.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl ActiveLow {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 134 |     pub fn is_active(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_write` is never used
[INFO] [stdout]    --> src/ctrl6502.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl Ctrl6502RW {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn is_write(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U64Command` is never constructed
[INFO] [stdout]   --> src/u64ctrl.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct U64Command {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U64CommandTransaction` is never constructed
[INFO] [stdout]   --> src/u64ctrl.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct U64CommandTransaction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mount` and `run_cartridge` are never used
[INFO] [stdout]    --> src/u64ctrl.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl U64Controller {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn mount<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn run_cartridge<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/u64ftp.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         drop(tcp_stream);
[INFO] [stdout]    |         ^^^^^----------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&TcpStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 88 -         drop(tcp_stream);
[INFO] [stdout] 88 +         let _ = tcp_stream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/u64ftp.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         drop(tcp_stream);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&TcpStream`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 133 -         drop(tcp_stream);
[INFO] [stdout] 133 +         let _ = tcp_stream;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "3fbc57ad2ff02355d1109364498118b2567dae1331e4a6597a1522ee03add3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fbc57ad2ff02355d1109364498118b2567dae1331e4a6597a1522ee03add3d1", kill_on_drop: false }`
[INFO] [stdout] 3fbc57ad2ff02355d1109364498118b2567dae1331e4a6597a1522ee03add3d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d69be1e7eefe213cf57ad13b9d5831c950bb8a116e8623e5b81958c2e671d202
[INFO] running `Command { std: "docker" "start" "-a" "d69be1e7eefe213cf57ad13b9d5831c950bb8a116e8623e5b81958c2e671d202", kill_on_drop: false }`
[INFO] [stderr]    Compiling u64-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]   --> src/u64ftp.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fs::File,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SimulationCommand` and `Value`
[INFO] [stdout]    --> src/main.rs:205:19
[INFO] [stdout]     |
[INFO] [stdout] 205 |         use vcd::{SimulationCommand, Value};
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/u64ftp.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/u64ftp.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 52 |             FileType::File(l) => write!(
[INFO] [stdout]    |             ----------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 59 |             FileType::Dir => write!(
[INFO] [stdout]    |             ------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 66 |             _ => unreachable!(),
[INFO] [stdout]    |             ^ collectively making this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Stop` is never constructed
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum UdpMinionCmd {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 35 |     Start(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stdout] 36 |     Stop(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UdpMinionCmd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `udp_rx_thread` is never read
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | struct UdpMinion {
[INFO] [stdout]    |        --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 49 |     udp_rx_thread: thread::JoinHandle<anyhow::Result<()>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UdpMinion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_active` is never used
[INFO] [stdout]    --> src/ctrl6502.rs:134:12
[INFO] [stdout]     |
[INFO] [stdout] 133 | impl ActiveLow {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] 134 |     pub fn is_active(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_write` is never used
[INFO] [stdout]    --> src/ctrl6502.rs:168:12
[INFO] [stdout]     |
[INFO] [stdout] 163 | impl Ctrl6502RW {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn is_write(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U64Command` is never constructed
[INFO] [stdout]   --> src/u64ctrl.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | pub struct U64Command {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `U64CommandTransaction` is never constructed
[INFO] [stdout]   --> src/u64ctrl.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct U64CommandTransaction {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mount` and `run_cartridge` are never used
[INFO] [stdout]    --> src/u64ctrl.rs:165:12
[INFO] [stdout]     |
[INFO] [stdout]  83 | impl U64Controller {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub fn mount<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub fn run_cartridge<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/u64ftp.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         drop(tcp_stream);
[INFO] [stdout]    |         ^^^^^----------^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              argument has type `&TcpStream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 88 -         drop(tcp_stream);
[INFO] [stdout] 88 +         let _ = tcp_stream;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> src/u64ftp.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         drop(tcp_stream);
[INFO] [stdout]     |         ^^^^^----------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `&TcpStream`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 133 -         drop(tcp_stream);
[INFO] [stdout] 133 +         let _ = tcp_stream;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "d69be1e7eefe213cf57ad13b9d5831c950bb8a116e8623e5b81958c2e671d202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69be1e7eefe213cf57ad13b9d5831c950bb8a116e8623e5b81958c2e671d202", kill_on_drop: false }`
[INFO] [stdout] d69be1e7eefe213cf57ad13b9d5831c950bb8a116e8623e5b81958c2e671d202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4bc9fc36d88975e81cb0b69169a306c79d63fd1854ee6a8694b369b8a1efb7e
[INFO] running `Command { std: "docker" "start" "-a" "b4bc9fc36d88975e81cb0b69169a306c79d63fd1854ee6a8694b369b8a1efb7e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `fs::File`
[INFO] [stderr]   --> src/u64ftp.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fs::File,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SimulationCommand` and `Value`
[INFO] [stderr]    --> src/main.rs:205:19
[INFO] [stderr]     |
[INFO] [stderr] 205 |         use vcd::{SimulationCommand, Value};
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/u64ftp.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 66 |             _ => unreachable!(),
[INFO] [stderr]    |             ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]   --> src/u64ftp.rs:66:13
[INFO] [stderr]    |
[INFO] [stderr] 52 |             FileType::File(l) => write!(
[INFO] [stderr]    |             ----------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 59 |             FileType::Dir => write!(
[INFO] [stderr]    |             ------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 66 |             _ => unreachable!(),
[INFO] [stderr]    |             ^ collectively making this unreachable
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Stop` is never constructed
[INFO] [stderr]   --> src/main.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | enum UdpMinionCmd {
[INFO] [stderr]    |      ------------ variant in this enum
[INFO] [stderr] 35 |     Start(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stderr] 36 |     Stop(crossbeam_channel::Sender<Vec<u8>>),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UdpMinionCmd` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `udp_rx_thread` is never read
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 45 | struct UdpMinion {
[INFO] [stderr]    |        --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 49 |     udp_rx_thread: thread::JoinHandle<anyhow::Result<()>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UdpMinion` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_active` is never used
[INFO] [stderr]    --> src/ctrl6502.rs:134:12
[INFO] [stderr]     |
[INFO] [stderr] 133 | impl ActiveLow {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] 134 |     pub fn is_active(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_write` is never used
[INFO] [stderr]    --> src/ctrl6502.rs:168:12
[INFO] [stderr]     |
[INFO] [stderr] 163 | impl Ctrl6502RW {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 168 |     pub fn is_write(&self) -> bool {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `U64Command` is never constructed
[INFO] [stderr]   --> src/u64ctrl.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | pub struct U64Command {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `U64CommandTransaction` is never constructed
[INFO] [stderr]   --> src/u64ctrl.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct U64CommandTransaction {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `mount` and `run_cartridge` are never used
[INFO] [stderr]    --> src/u64ctrl.rs:165:12
[INFO] [stderr]     |
[INFO] [stderr]  83 | impl U64Controller {
[INFO] [stderr]     | ------------------ methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 165 |     pub fn mount<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 173 |     pub fn run_cartridge<P: AsRef<std::path::Path>>(&self, name: P) -> anyhow::Result<()> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/u64ftp.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         drop(tcp_stream);
[INFO] [stderr]    |         ^^^^^----------^
[INFO] [stderr]    |              |
[INFO] [stderr]    |              argument has type `&TcpStream`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 88 -         drop(tcp_stream);
[INFO] [stderr] 88 +         let _ = tcp_stream;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]    --> src/u64ftp.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         drop(tcp_stream);
[INFO] [stderr]     |         ^^^^^----------^
[INFO] [stderr]     |              |
[INFO] [stderr]     |              argument has type `&TcpStream`
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]     |
[INFO] [stderr] 133 -         drop(tcp_stream);
[INFO] [stderr] 133 +         let _ = tcp_stream;
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `u64-monitor` (bin "u64-monitor" test) generated 12 warnings (run `cargo fix --bin "u64-monitor" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/u64_monitor-7a3bbfb56ae83048)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4bc9fc36d88975e81cb0b69169a306c79d63fd1854ee6a8694b369b8a1efb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4bc9fc36d88975e81cb0b69169a306c79d63fd1854ee6a8694b369b8a1efb7e", kill_on_drop: false }`
[INFO] [stdout] b4bc9fc36d88975e81cb0b69169a306c79d63fd1854ee6a8694b369b8a1efb7e
