[INFO] fetching crate niexpctrl_backend 0.1.0...
[INFO] checking niexpctrl_backend-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate niexpctrl_backend 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate niexpctrl_backend 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate niexpctrl_backend 0.1.0
[INFO] finished tweaking crates.io crate niexpctrl_backend 0.1.0
[INFO] tweaked toml for crates.io crate niexpctrl_backend 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate niexpctrl_backend 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded nicompiler_backend v0.3.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0096cccfa4a091634febe587bdc25f6cb7c7e019f2df82aa7731429ee6b7b822
[INFO] running `Command { std: "docker" "start" "-a" "0096cccfa4a091634febe587bdc25f6cb7c7e019f2df82aa7731429ee6b7b822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0096cccfa4a091634febe587bdc25f6cb7c7e019f2df82aa7731429ee6b7b822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0096cccfa4a091634febe587bdc25f6cb7c7e019f2df82aa7731429ee6b7b822", kill_on_drop: false }`
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[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] babc026a0959a9232dfcb6de9beb4803c461efbb8394f1e5d6b78cbd436ba000
[INFO] running `Command { std: "docker" "start" "-a" "babc026a0959a9232dfcb6de9beb4803c461efbb8394f1e5d6b78cbd436ba000", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.147
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[INFO] [stderr]     Checking niexpctrl_backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `numpy` is imported redundantly
[INFO] [stdout]   --> src/experiment.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use numpy;
[INFO] [stdout]    |     ^^^^^ the item `numpy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/nidaqmx.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `numpy` is imported redundantly
[INFO] [stdout]   --> src/experiment.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use numpy;
[INFO] [stdout]    |     ^^^^^ the item `numpy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/nidaqmx.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `numpy` is imported redundantly
[INFO] [stdout]   --> src/experiment.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use numpy;
[INFO] [stdout]    |     ^^^^^ the item `numpy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/nidaqmx.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `numpy` is imported redundantly
[INFO] [stdout]   --> src/experiment.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | use numpy;
[INFO] [stdout]    |     ^^^^^ the item `numpy` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]   --> src/nidaqmx.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 | use libc;
[INFO] [stdout]    |     ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DAQMX_VAL_GROUPBYCHANNEL` is never used
[INFO] [stdout]   --> src/nidaqmx.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const DAQMX_VAL_GROUPBYCHANNEL: CBool32 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DAQMX_VAL_CHANPERLINE` is never used
[INFO] [stdout]   --> src/nidaqmx.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub const DAQMX_VAL_CHANPERLINE: CInt32 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_digital_lines`, `get_write_current_write_pos`, and `get_write_total_samp_per_chan_generated` are never used
[INFO] [stdout]    --> src/nidaqmx.rs:389:12
[INFO] [stdout]     |
[INFO] [stdout] 297 | impl NiTask {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 389 |     pub fn write_digital_lines(&self, signal_arr: &Array2<u8>) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 446 |     pub fn get_write_current_write_pos(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 |     pub fn get_write_total_samp_per_chan_generated(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxWriteDigitalLines` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn DAQmxWriteDigitalLines(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxGetWriteCurrWritePos` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn DAQmxGetWriteCurrWritePos(handle: TaskHandle, data: *mut CUint64) -> CInt32;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxGetWriteTotalSampPerChanGenerated` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn DAQmxGetWriteTotalSampPerChanGenerated(handle: TaskHandle, data: *mut CUint64) -> CInt32;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DAQMX_VAL_GROUPBYCHANNEL` is never used
[INFO] [stdout]   --> src/nidaqmx.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub const DAQMX_VAL_GROUPBYCHANNEL: CBool32 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DAQMX_VAL_CHANPERLINE` is never used
[INFO] [stdout]   --> src/nidaqmx.rs:89:11
[INFO] [stdout]    |
[INFO] [stdout] 89 | pub const DAQMX_VAL_CHANPERLINE: CInt32 = 0;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `write_digital_lines`, `get_write_current_write_pos`, and `get_write_total_samp_per_chan_generated` are never used
[INFO] [stdout]    --> src/nidaqmx.rs:389:12
[INFO] [stdout]     |
[INFO] [stdout] 297 | impl NiTask {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 389 |     pub fn write_digital_lines(&self, signal_arr: &Array2<u8>) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 446 |     pub fn get_write_current_write_pos(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 460 |     pub fn get_write_total_samp_per_chan_generated(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxWriteDigitalLines` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn DAQmxWriteDigitalLines(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxGetWriteCurrWritePos` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn DAQmxGetWriteCurrWritePos(handle: TaskHandle, data: *mut CUint64) -> CInt32;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `DAQmxGetWriteTotalSampPerChanGenerated` is never used
[INFO] [stdout]    --> src/nidaqmx.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn DAQmxGetWriteTotalSampPerChanGenerated(handle: TaskHandle, data: *mut CUint64) -> CInt32;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.04s
[INFO] running `Command { std: "docker" "inspect" "babc026a0959a9232dfcb6de9beb4803c461efbb8394f1e5d6b78cbd436ba000", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "babc026a0959a9232dfcb6de9beb4803c461efbb8394f1e5d6b78cbd436ba000", kill_on_drop: false }`
[INFO] [stdout] babc026a0959a9232dfcb6de9beb4803c461efbb8394f1e5d6b78cbd436ba000