[INFO] cloning repository https://github.com/tik-stbuehler/axxon-ox16pci954-flash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tik-stbuehler/axxon-ox16pci954-flash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftik-stbuehler%2Faxxon-ox16pci954-flash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftik-stbuehler%2Faxxon-ox16pci954-flash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 239e100a8e9acac8ccc938843120552441a4103b
[INFO] checking tik-stbuehler/axxon-ox16pci954-flash against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftik-stbuehler%2Faxxon-ox16pci954-flash" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tik-stbuehler/axxon-ox16pci954-flash
[INFO] finished tweaking git repo https://github.com/tik-stbuehler/axxon-ox16pci954-flash
[INFO] tweaked toml for git repo https://github.com/tik-stbuehler/axxon-ox16pci954-flash written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tik-stbuehler/axxon-ox16pci954-flash on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tik-stbuehler/axxon-ox16pci954-flash 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a70b034e1e4db8370c35bf302e6c1057447242cd4027dd4af65860183637f663
[INFO] running `Command { std: "docker" "start" "-a" "a70b034e1e4db8370c35bf302e6c1057447242cd4027dd4af65860183637f663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a70b034e1e4db8370c35bf302e6c1057447242cd4027dd4af65860183637f663", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a70b034e1e4db8370c35bf302e6c1057447242cd4027dd4af65860183637f663", kill_on_drop: false }`
[INFO] [stdout] a70b034e1e4db8370c35bf302e6c1057447242cd4027dd4af65860183637f663
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ca55cf52b61dba6cc0d24aaf4e6b07225c5fe15af485133bccd47005e5adc41
[INFO] running `Command { std: "docker" "start" "-a" "8ca55cf52b61dba6cc0d24aaf4e6b07225c5fe15af485133bccd47005e5adc41", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking axxon-ox16pci954-flash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/serial/operations.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ADDRESS_LIMIT: usize = (1usize << ADDRESS_WIDTH);
[INFO] [stdout]   |                              ^                       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 8 - const ADDRESS_LIMIT: usize = (1usize << ADDRESS_WIDTH);
[INFO] [stdout] 8 + const ADDRESS_LIMIT: usize = 1usize << ADDRESS_WIDTH;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]  --> src/serial/operations.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | const ADDRESS_LIMIT: usize = (1usize << ADDRESS_WIDTH);
[INFO] [stdout]   |                              ^                       ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 8 - const ADDRESS_LIMIT: usize = (1usize << ADDRESS_WIDTH);
[INFO] [stdout] 8 + const ADDRESS_LIMIT: usize = 1usize << ADDRESS_WIDTH;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `signal_and_read` is never used
[INFO] [stdout]    --> src/serial/low_level.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | trait InternalLowLevel: Hardware {
[INFO] [stdout]     |       ---------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 166 |     fn signal_and_read(&mut self, signal: Signal) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/low_level.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn start_transaction(&mut self) -> Transaction<Self> {
[INFO] [stdout]     |                          ^^^^^^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn start_transaction(&mut self) -> Transaction<'_, Self> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/low_level.rs:273:31
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn start_program_transaction(&mut self) -> ProgramTransaction<Self> {
[INFO] [stdout]     |                                  ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn start_program_transaction(&mut self) -> ProgramTransaction<'_, Self> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn read_all(&mut self) -> crate::AResult<Reader<Self::Hardware>> {
[INFO] [stdout]     |                 ^^^^^^^^^                    ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn read_all(&mut self) -> crate::AResult<Reader<'_, Self::Hardware>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>>;
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>>;
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>> {
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:165:23
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>> {
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/serial/operations.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn read_unknown_address_width(&mut self) -> crate::AResult<(ReadTransaction<Self::Hardware>, usize)> {
[INFO] [stdout]    |                                       ^^^^^^^^^                     ------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn read_unknown_address_width(&mut self) -> crate::AResult<(ReadTransaction<'_, Self::Hardware>, usize)> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `signal_and_read` is never used
[INFO] [stdout]    --> src/serial/low_level.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | trait InternalLowLevel: Hardware {
[INFO] [stdout]     |       ---------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 166 |     fn signal_and_read(&mut self, signal: Signal) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/low_level.rs:267:23
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn start_transaction(&mut self) -> Transaction<Self> {
[INFO] [stdout]     |                          ^^^^^^^^^     ----------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 267 |     fn start_transaction(&mut self) -> Transaction<'_, Self> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/low_level.rs:273:31
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn start_program_transaction(&mut self) -> ProgramTransaction<Self> {
[INFO] [stdout]     |                                  ^^^^^^^^^     ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn start_program_transaction(&mut self) -> ProgramTransaction<'_, Self> {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:109:14
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn read_all(&mut self) -> crate::AResult<Reader<Self::Hardware>> {
[INFO] [stdout]     |                 ^^^^^^^^^                    ---------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn read_all(&mut self) -> crate::AResult<Reader<'_, Self::Hardware>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:134:23
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>>;
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 134 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>>;
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:138:23
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>> {
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 138 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/serial/operations.rs:165:23
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<Self>> {
[INFO] [stdout]     |                          ^^^^^^^^^                    ------------------------ the lifetime gets resolved as `'_`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn start_programming(&mut self) -> crate::AResult<ProgrammingEnabled<'_, Self>> {
[INFO] [stdout]     |                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/serial/operations.rs:35:33
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn read_unknown_address_width(&mut self) -> crate::AResult<(ReadTransaction<Self::Hardware>, usize)> {
[INFO] [stdout]    |                                       ^^^^^^^^^                     ------------------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn read_unknown_address_width(&mut self) -> crate::AResult<(ReadTransaction<'_, Self::Hardware>, usize)> {
[INFO] [stdout]    |                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/pci/endpoint.rs:339:51
[INFO] [stdout]     |
[INFO] [stdout] 339 |         assert!(repr.parse::<SlotFunction>().is_err(), "{:?} must not be a valid DEV.FUN");
[INFO] [stdout]     |                                                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 339 |         assert!(repr.parse::<SlotFunction>().is_err(), "{:?} must not be a valid DEV.FUN", ...);
[INFO] [stdout]     |                                                                                          +++++
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 339 |         assert!(repr.parse::<SlotFunction>().is_err(), "{}", "{:?} must not be a valid DEV.FUN");
[INFO] [stdout]     |                                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.13s
[INFO] running `Command { std: "docker" "inspect" "8ca55cf52b61dba6cc0d24aaf4e6b07225c5fe15af485133bccd47005e5adc41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca55cf52b61dba6cc0d24aaf4e6b07225c5fe15af485133bccd47005e5adc41", kill_on_drop: false }`
[INFO] [stdout] 8ca55cf52b61dba6cc0d24aaf4e6b07225c5fe15af485133bccd47005e5adc41
