[INFO] fetching crate visa-device-handler 1.1.0...
[INFO] building visa-device-handler-1.1.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate visa-device-handler 1.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate visa-device-handler 1.1.0
[INFO] finished tweaking crates.io crate visa-device-handler 1.1.0
[INFO] tweaked toml for crates.io crate visa-device-handler 1.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate visa-device-handler 1.1.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding dlopen2 v0.7.0 (available: v0.8.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mutex_logger v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f24c6d5b428dab22871bbef3a581a1c972eb61d3e7e8e198999b7d90d2dc82a6
[INFO] running `Command { std: "docker" "start" "-a" "f24c6d5b428dab22871bbef3a581a1c972eb61d3e7e8e198999b7d90d2dc82a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f24c6d5b428dab22871bbef3a581a1c972eb61d3e7e8e198999b7d90d2dc82a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f24c6d5b428dab22871bbef3a581a1c972eb61d3e7e8e198999b7d90d2dc82a6", kill_on_drop: false }`
[INFO] [stdout] f24c6d5b428dab22871bbef3a581a1c972eb61d3e7e8e198999b7d90d2dc82a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df32e2b4e48b6b0f60a90676e3bf30ffb1cb3a8b4b52402bc1324a0046c381d9
[INFO] running `Command { std: "docker" "start" "-a" "df32e2b4e48b6b0f60a90676e3bf30ffb1cb3a8b4b52402bc1324a0046c381d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutex_logger v1.0.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling dlopen2_derive v0.4.1
[INFO] [stderr]    Compiling dlopen2 v0.7.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling visa-device-handler v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_open_rm_status` is never used
[INFO] [stdout]  --> src/status_testers.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn test_open_rm_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_write_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn test_write_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_read_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn test_read_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_viopen_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn test_viopen_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_find_rsc_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn test_find_rsc_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_openrm` is never used
[INFO] [stdout]   --> src/status_testers.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn test_error_code_for_openrm(status: i32) -> (String,Verbosity) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_write` is never used
[INFO] [stdout]    --> src/status_testers.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn test_error_code_for_write(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_read` is never used
[INFO] [stdout]    --> src/status_testers.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn test_error_code_for_read(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_find_rsc` is never used
[INFO] [stdout]    --> src/status_testers.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn test_error_code_for_find_rsc(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_viopen` is never used
[INFO] [stdout]    --> src/status_testers.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn test_error_code_for_viopen(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_code_string` is never used
[INFO] [stdout]    --> src/status_testers.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn format_code_string(code: i32, string: &str,verbosity:Verbosity) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/visa_interface/object.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<str>, VisaWrapperError> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<'_, str>, VisaWrapperError> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "df32e2b4e48b6b0f60a90676e3bf30ffb1cb3a8b4b52402bc1324a0046c381d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df32e2b4e48b6b0f60a90676e3bf30ffb1cb3a8b4b52402bc1324a0046c381d9", kill_on_drop: false }`
[INFO] [stdout] df32e2b4e48b6b0f60a90676e3bf30ffb1cb3a8b4b52402bc1324a0046c381d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ee4b42ff1a65ec0ae3e7c8e11d443b13a625503a7cffd5434ed44ef813a09b0
[INFO] running `Command { std: "docker" "start" "-a" "2ee4b42ff1a65ec0ae3e7c8e11d443b13a625503a7cffd5434ed44ef813a09b0", kill_on_drop: false }`
[INFO] [stdout] warning: function `test_open_rm_status` is never used
[INFO] [stdout]  --> src/status_testers.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn test_open_rm_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_write_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn test_write_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_read_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn test_read_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_viopen_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn test_viopen_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_find_rsc_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn test_find_rsc_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_openrm` is never used
[INFO] [stdout]   --> src/status_testers.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn test_error_code_for_openrm(status: i32) -> (String,Verbosity) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_write` is never used
[INFO] [stdout]    --> src/status_testers.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn test_error_code_for_write(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling visa-device-handler v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_error_code_for_read` is never used
[INFO] [stdout]    --> src/status_testers.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn test_error_code_for_read(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_find_rsc` is never used
[INFO] [stdout]    --> src/status_testers.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn test_error_code_for_find_rsc(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_viopen` is never used
[INFO] [stdout]    --> src/status_testers.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn test_error_code_for_viopen(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_code_string` is never used
[INFO] [stdout]    --> src/status_testers.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn format_code_string(code: i32, string: &str,verbosity:Verbosity) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/visa_interface/object.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<str>, VisaWrapperError> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<'_, str>, VisaWrapperError> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_open_rm_status` is never used
[INFO] [stdout]  --> src/status_testers.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn test_open_rm_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_write_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub fn test_write_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_read_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn test_read_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(),String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_viopen_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn test_viopen_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_find_rsc_status` is never used
[INFO] [stdout]   --> src/status_testers.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub fn test_find_rsc_status(status: i32,logger:&MLogger,panic_thres:Verbosity) -> Result<(), String> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_openrm` is never used
[INFO] [stdout]   --> src/status_testers.rs:85:4
[INFO] [stdout]    |
[INFO] [stdout] 85 | fn test_error_code_for_openrm(status: i32) -> (String,Verbosity) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_write` is never used
[INFO] [stdout]    --> src/status_testers.rs:104:4
[INFO] [stdout]     |
[INFO] [stdout] 104 | fn test_error_code_for_write(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_read` is never used
[INFO] [stdout]    --> src/status_testers.rs:150:4
[INFO] [stdout]     |
[INFO] [stdout] 150 | fn test_error_code_for_read(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_find_rsc` is never used
[INFO] [stdout]    --> src/status_testers.rs:205:4
[INFO] [stdout]     |
[INFO] [stdout] 205 | fn test_error_code_for_find_rsc(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_error_code_for_viopen` is never used
[INFO] [stdout]    --> src/status_testers.rs:224:4
[INFO] [stdout]     |
[INFO] [stdout] 224 | fn test_error_code_for_viopen(status: i32) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_code_string` is never used
[INFO] [stdout]    --> src/status_testers.rs:268:4
[INFO] [stdout]     |
[INFO] [stdout] 268 | fn format_code_string(code: i32, string: &str,verbosity:Verbosity) -> (String,Verbosity) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/visa_interface/object.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<str>, VisaWrapperError> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn binary_name(&self) -> Result<Cow<'_, str>, VisaWrapperError> {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "2ee4b42ff1a65ec0ae3e7c8e11d443b13a625503a7cffd5434ed44ef813a09b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ee4b42ff1a65ec0ae3e7c8e11d443b13a625503a7cffd5434ed44ef813a09b0", kill_on_drop: false }`
[INFO] [stdout] 2ee4b42ff1a65ec0ae3e7c8e11d443b13a625503a7cffd5434ed44ef813a09b0