[INFO] fetching crate mt6701 0.1.5...
[INFO] checking mt6701-0.1.5 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate mt6701 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mt6701 0.1.5 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mt6701 0.1.5
[INFO] finished tweaking crates.io crate mt6701 0.1.5
[INFO] tweaked toml for crates.io crate mt6701 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate mt6701 0.1.5 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rp2040-hal-macros v0.1.0
[INFO] [stderr]   Downloaded embedded-dma v0.2.0
[INFO] [stderr]   Downloaded debug-helper v0.3.13
[INFO] [stderr]   Downloaded usb-device v0.2.9
[INFO] [stderr]   Downloaded crc-any v2.4.3
[INFO] [stderr]   Downloaded rp2040-boot2 v0.3.0
[INFO] [stderr]   Downloaded pio v0.2.1
[INFO] [stderr]   Downloaded rp2040-hal v0.9.0
[INFO] [stderr]   Downloaded rp2040-pac v0.5.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e644f2e8b0dbb69976805496c03b67d2514c935a11f3dd58ff99253f4a0f07a
[INFO] running `Command { std: "docker" "start" "-a" "8e644f2e8b0dbb69976805496c03b67d2514c935a11f3dd58ff99253f4a0f07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e644f2e8b0dbb69976805496c03b67d2514c935a11f3dd58ff99253f4a0f07a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e644f2e8b0dbb69976805496c03b67d2514c935a11f3dd58ff99253f4a0f07a", kill_on_drop: false }`
[INFO] [stdout] 8e644f2e8b0dbb69976805496c03b67d2514c935a11f3dd58ff99253f4a0f07a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a16695c56c1fbf4de42df910bdcb8cb2c6090bd2958bf8f517ac1096ef515d
[INFO] running `Command { std: "docker" "start" "-a" "a1a16695c56c1fbf4de42df910bdcb8cb2c6090bd2958bf8f517ac1096ef515d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rp2040-pac v0.5.0
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling crc-any v2.4.3
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]     Checking mt6701 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nb` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nb;
[INFO] [stdout]   |     ^^ the item `nb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]     Checking frunk v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking pio v0.2.1
[INFO] [stderr]     Checking rp2040-hal v0.9.0
[INFO] [stdout] warning: the item `nb` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nb;
[INFO] [stdout]   |     ^^ the item `nb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle`
[INFO] [stdout]   --> examples/pico.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let angle = sensor.get_angle();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_angle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle_single`
[INFO] [stdout]   --> examples/pico.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let angle_single = sensor.get_angle_single();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_angle_single`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]   --> examples/pico.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let turns = sensor.get_turns();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mt6701` (example "pico") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a1a16695c56c1fbf4de42df910bdcb8cb2c6090bd2958bf8f517ac1096ef515d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a16695c56c1fbf4de42df910bdcb8cb2c6090bd2958bf8f517ac1096ef515d", kill_on_drop: false }`
[INFO] [stdout] a1a16695c56c1fbf4de42df910bdcb8cb2c6090bd2958bf8f517ac1096ef515d
[INFO] checking mt6701-0.1.5 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate mt6701 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate mt6701 0.1.5 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mt6701 0.1.5
[INFO] finished tweaking crates.io crate mt6701 0.1.5
[INFO] tweaked toml for crates.io crate mt6701 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate mt6701 0.1.5 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d3f97dce2b8819af2351cdbab24340d6810cd1b1a9034af59deabcba252656
[INFO] running `Command { std: "docker" "start" "-a" "86d3f97dce2b8819af2351cdbab24340d6810cd1b1a9034af59deabcba252656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d3f97dce2b8819af2351cdbab24340d6810cd1b1a9034af59deabcba252656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d3f97dce2b8819af2351cdbab24340d6810cd1b1a9034af59deabcba252656", kill_on_drop: false }`
[INFO] [stdout] 86d3f97dce2b8819af2351cdbab24340d6810cd1b1a9034af59deabcba252656
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31a3c0c66c8e2b0117dc20c7da6b1e571c1e2b680846898ff2df6f1dd97fe434
[INFO] running `Command { std: "docker" "start" "-a" "31a3c0c66c8e2b0117dc20c7da6b1e571c1e2b680846898ff2df6f1dd97fe434", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling cortex-m-rt v0.7.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling cortex-m v0.7.7
[INFO] [stderr]    Compiling frunk_core v0.4.2
[INFO] [stderr]     Checking vcell v0.1.3
[INFO] [stderr]    Compiling debug-helper v0.3.13
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]    Compiling rp2040-pac v0.5.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking critical-section v1.1.2
[INFO] [stderr]     Checking gcd v2.3.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]    Compiling bare-metal v0.2.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking volatile-register v0.2.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]    Compiling crc-any v2.4.3
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking fugit v0.3.7
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-dma v0.2.0
[INFO] [stderr]     Checking usb-device v0.2.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking panic-halt v0.2.0
[INFO] [stderr]    Compiling rp2040-boot2 v0.3.0
[INFO] [stderr]     Checking mt6701 v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nb` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nb;
[INFO] [stdout]   |     ^^ the item `nb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.2
[INFO] [stderr]    Compiling frunk_derives v0.4.2
[INFO] [stderr]     Checking frunk v0.4.2
[INFO] [stderr]    Compiling cortex-m-rt-macros v0.7.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling rp2040-hal-macros v0.1.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking pio v0.2.1
[INFO] [stderr]     Checking rp2040-hal v0.9.0
[INFO] [stdout] warning: the item `nb` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use nb;
[INFO] [stdout]   |     ^^ the item `nb` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle`
[INFO] [stdout]   --> examples/pico.rs:65:13
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let angle = sensor.get_angle();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_angle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `angle_single`
[INFO] [stdout]   --> examples/pico.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let angle_single = sensor.get_angle_single();
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_angle_single`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `turns`
[INFO] [stdout]   --> examples/pico.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let turns = sensor.get_turns();
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_turns`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mt6701` (example "pico") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "31a3c0c66c8e2b0117dc20c7da6b1e571c1e2b680846898ff2df6f1dd97fe434", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a3c0c66c8e2b0117dc20c7da6b1e571c1e2b680846898ff2df6f1dd97fe434", kill_on_drop: false }`
[INFO] [stdout] 31a3c0c66c8e2b0117dc20c7da6b1e571c1e2b680846898ff2df6f1dd97fe434
