[INFO] fetching crate rs-usbtmc 0.1.1...
[INFO] testing rs-usbtmc-0.1.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065
[INFO] extracting crate rs-usbtmc 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rs-usbtmc 0.1.1
[INFO] finished tweaking crates.io crate rs-usbtmc 0.1.1
[INFO] tweaked toml for crates.io crate rs-usbtmc 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rs-usbtmc 0.1.1 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caa9376998563d97c908f561221a5e1ae08aa7b093c1648d0634d96f6e73d7e1
[INFO] running `Command { std: "docker" "start" "-a" "caa9376998563d97c908f561221a5e1ae08aa7b093c1648d0634d96f6e73d7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa9376998563d97c908f561221a5e1ae08aa7b093c1648d0634d96f6e73d7e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa9376998563d97c908f561221a5e1ae08aa7b093c1648d0634d96f6e73d7e1", kill_on_drop: false }`
[INFO] [stdout] caa9376998563d97c908f561221a5e1ae08aa7b093c1648d0634d96f6e73d7e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d0378070d1e146d246c60984c43aedd707511d27adbeb0ec68b7882bf32a955
[INFO] running `Command { std: "docker" "start" "-a" "7d0378070d1e146d246c60984c43aedd707511d27adbeb0ec68b7882bf32a955", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rs-usbtmc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `interrupt_ep` is never read
[INFO] [stdout]    --> src/types.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct UsbtmcEndpoints {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub interrupt_ep: Option<Endpoint>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UsbtmcEndpoints` has derived impls for the traits `Debug` and `Clone`, but these are 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: fields `bcd_version`, `accepts_indicator_pulse_request`, `is_talk_only`, and `is_listen_only` are never read
[INFO] [stdout]    --> src/types.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Capabilities {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 136 |     pub bcd_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 137 |     /// Can accept a control command for pulse
[INFO] [stdout] 138 |     pub accepts_indicator_pulse_request: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     /// Only sends data to the controller
[INFO] [stdout] 140 |     pub is_talk_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 141 |     /// Only accepts data from the controller
[INFO] [stdout] 142 |     pub is_listen_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Capabilities` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "7d0378070d1e146d246c60984c43aedd707511d27adbeb0ec68b7882bf32a955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d0378070d1e146d246c60984c43aedd707511d27adbeb0ec68b7882bf32a955", kill_on_drop: false }`
[INFO] [stdout] 7d0378070d1e146d246c60984c43aedd707511d27adbeb0ec68b7882bf32a955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42d4c2bc4ed5074a4c411aed76012d844ccc61668642918ad88b731320ce0206
[INFO] running `Command { std: "docker" "start" "-a" "42d4c2bc4ed5074a4c411aed76012d844ccc61668642918ad88b731320ce0206", kill_on_drop: false }`
[INFO] [stdout] warning: field `interrupt_ep` is never read
[INFO] [stdout]    --> src/types.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct UsbtmcEndpoints {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub interrupt_ep: Option<Endpoint>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UsbtmcEndpoints` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rs-usbtmc v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `bcd_version`, `accepts_indicator_pulse_request`, `is_talk_only`, and `is_listen_only` are never read
[INFO] [stdout]    --> src/types.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Capabilities {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 136 |     pub bcd_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 137 |     /// Can accept a control command for pulse
[INFO] [stdout] 138 |     pub accepts_indicator_pulse_request: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     /// Only sends data to the controller
[INFO] [stdout] 140 |     pub is_talk_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 141 |     /// Only accepts data from the controller
[INFO] [stdout] 142 |     pub is_listen_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Capabilities` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `interrupt_ep` is never read
[INFO] [stdout]    --> src/types.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct UsbtmcEndpoints {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 127 |     pub interrupt_ep: Option<Endpoint>,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `UsbtmcEndpoints` has derived impls for the traits `Debug` and `Clone`, but these are 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: fields `bcd_version`, `accepts_indicator_pulse_request`, `is_talk_only`, and `is_listen_only` are never read
[INFO] [stdout]    --> src/types.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Capabilities {
[INFO] [stdout]     |            ------------ fields in this struct
[INFO] [stdout] 136 |     pub bcd_version: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] 137 |     /// Can accept a control command for pulse
[INFO] [stdout] 138 |     pub accepts_indicator_pulse_request: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 139 |     /// Only sends data to the controller
[INFO] [stdout] 140 |     pub is_talk_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 141 |     /// Only accepts data from the controller
[INFO] [stdout] 142 |     pub is_listen_only: bool,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Capabilities` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "42d4c2bc4ed5074a4c411aed76012d844ccc61668642918ad88b731320ce0206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d4c2bc4ed5074a4c411aed76012d844ccc61668642918ad88b731320ce0206", kill_on_drop: false }`
[INFO] [stdout] 42d4c2bc4ed5074a4c411aed76012d844ccc61668642918ad88b731320ce0206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a82481e6a16ff2b33d7a0cedc31a1db59bbf22e438842fa33dc97a66274fa2c0
[INFO] running `Command { std: "docker" "start" "-a" "a82481e6a16ff2b33d7a0cedc31a1db59bbf22e438842fa33dc97a66274fa2c0", kill_on_drop: false }`
[INFO] [stderr] warning: field `interrupt_ep` is never read
[INFO] [stderr]    --> src/types.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub struct UsbtmcEndpoints {
[INFO] [stderr]     |            --------------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 127 |     pub interrupt_ep: Option<Endpoint>,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `UsbtmcEndpoints` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `bcd_version`, `accepts_indicator_pulse_request`, `is_talk_only`, and `is_listen_only` are never read
[INFO] [stderr]    --> src/types.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 135 | pub struct Capabilities {
[INFO] [stderr]     |            ------------ fields in this struct
[INFO] [stderr] 136 |     pub bcd_version: u16,
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] 137 |     /// Can accept a control command for pulse
[INFO] [stderr] 138 |     pub accepts_indicator_pulse_request: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 139 |     /// Only sends data to the controller
[INFO] [stderr] 140 |     pub is_talk_only: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 141 |     /// Only accepts data from the controller
[INFO] [stderr] 142 |     pub is_listen_only: bool,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Capabilities` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rs-usbtmc` (lib) generated 2 warnings
[INFO] [stderr] warning: `rs-usbtmc` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rs_usbtmc-8917daead6a0e3e4)
[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] [stderr]    Doc-tests rs_usbtmc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 20) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] 
[INFO] [stdout] thread 'main' (46) panicked at src/lib.rs:11:64:
[INFO] [stdout] failed to connect: device not found
[INFO] [stdout] 
[INFO] [stdout] Stack backtrace:
[INFO] [stdout]    0: <anyhow::Error as core::convert::From<rs_usbtmc::error::Error>>::from
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/anyhow-1.0.102/src/backtrace.rs:10:14
[INFO] [stdout]    1: <rs_usbtmc::error::Error as core::convert::Into<anyhow::Error>>::into
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/convert/mod.rs:778:9
[INFO] [stdout]    2: <rs_usbtmc::UsbtmcClient>::connect
[INFO] [stdout]              at ./src/lib.rs:101:54
[INFO] [stdout]    3: rust_out::main
[INFO] [stdout]    4: <fn() as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]    5: std::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]    6: std::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]    7: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:287:21
[INFO] [stdout]    8: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]    9: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   10: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   11: std::rt::lang_start_internal::{closure#0}
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:175:24
[INFO] [stdout]   12: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   13: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   14: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   15: std::rt::lang_start_internal
[INFO] [stdout]              at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:171:5
[INFO] [stdout]   16: std::rt::lang_start::<()>
[INFO] [stdout]   17: main
[INFO] [stdout]   18: <unknown>
[INFO] [stdout]   19: __libc_start_main
[INFO] [stdout]   20: _start
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55981b1dfd3a - std[f92b4c606f291077]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x55981b1dfd3a - std[f92b4c606f291077]::backtrace_rs::backtrace::trace_unsynchronized::<std[f92b4c606f291077]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x55981b1dfd3a - std[f92b4c606f291077]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x55981b1dfd3a - <<std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[786f478f706679df]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x55981b1f027a - <core[786f478f706679df]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x55981b1f027a - core[786f478f706679df]::fmt::write
[INFO] [stdout]    6:     0x55981b1e3582 - std[f92b4c606f291077]::io::default_write_fmt::<std[f92b4c606f291077]::sys::stdio::unix::Stderr>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x55981b1e3582 - <std[f92b4c606f291077]::sys::stdio::unix::Stderr as std[f92b4c606f291077]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x55981b1cb82f - <std[f92b4c606f291077]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x55981b1cb82f - std[f92b4c606f291077]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x55981b1dc2e1 - std[f92b4c606f291077]::panicking::default_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:319:9
[INFO] [stdout]   11:     0x55981b1dc49b - std[f92b4c606f291077]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:825:13
[INFO] [stdout]   12:     0x55981b1cb8e8 - std[f92b4c606f291077]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:698:13
[INFO] [stdout]   13:     0x55981b1c3059 - std[f92b4c606f291077]::sys::backtrace::__rust_end_short_backtrace::<std[f92b4c606f291077]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   14:     0x55981b1cc1bd - __rustc[8241495c18a89d70]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:689:5
[INFO] [stdout]   15:     0x55981b1f09cc - core[786f478f706679df]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/panicking.rs:80:14
[INFO] [stdout]   16:     0x55981b1f0742 - core[786f478f706679df]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/result.rs:1867:5
[INFO] [stdout]   17:     0x55981b19c1c8 - <core[786f478f706679df]::result::Result<rs_usbtmc[a927cc08a051386e]::UsbtmcClient, anyhow[46a592b7da052030]::Error>>::expect
[INFO] [stdout]   18:     0x55981b19bf13 - rust_out[ed1579ae55fdba85]::main
[INFO] [stdout]   19:     0x55981b19c3a3 - <fn() as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   20:     0x55981b19be96 - std[f92b4c606f291077]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stdout]   21:     0x55981b19bea9 - std[f92b4c606f291077]::rt::lang_start::<()>::{closure#0}
[INFO] [stdout]   22:     0x55981b1db924 - <&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe as core[786f478f706679df]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/core/src/ops/function.rs:287:21
[INFO] [stdout]   23:     0x55981b1db924 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   24:     0x55981b1db924 - std[f92b4c606f291077]::panicking::catch_unwind::<i32, &dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   25:     0x55981b1db924 - std[f92b4c606f291077]::panic::catch_unwind::<&dyn core[786f478f706679df]::ops::function::Fn<(), Output = i32> + core[786f478f706679df]::marker::Sync + core[786f478f706679df]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   26:     0x55981b1db924 - std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:175:24
[INFO] [stdout]   27:     0x55981b1db924 - std[f92b4c606f291077]::panicking::catch_unwind::do_call::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:581:40
[INFO] [stdout]   28:     0x55981b1db924 - std[f92b4c606f291077]::panicking::catch_unwind::<isize, std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panicking.rs:544:19
[INFO] [stdout]   29:     0x55981b1db924 - std[f92b4c606f291077]::panic::catch_unwind::<std[f92b4c606f291077]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/panic.rs:359:14
[INFO] [stdout]   30:     0x55981b1db924 - std[f92b4c606f291077]::rt::lang_start_internal
[INFO] [stdout]                                at /rustc/1f7f8ea0721a3b1eb73e6c6d25cccb371434b320/library/std/src/rt.rs:171:5
[INFO] [stdout]   31:     0x55981b19be81 - std[f92b4c606f291077]::rt::lang_start::<()>
[INFO] [stdout]   32:     0x55981b19c405 - main
[INFO] [stdout]   33:     0x7995ba8251ca - <unknown>
[INFO] [stdout]   34:     0x7995ba82528b - __libc_start_main
[INFO] [stdout]   35:     0x55981b19bcc5 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 20)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a82481e6a16ff2b33d7a0cedc31a1db59bbf22e438842fa33dc97a66274fa2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82481e6a16ff2b33d7a0cedc31a1db59bbf22e438842fa33dc97a66274fa2c0", kill_on_drop: false }`
[INFO] [stdout] a82481e6a16ff2b33d7a0cedc31a1db59bbf22e438842fa33dc97a66274fa2c0
