[INFO] fetching crate mpu9250-dmp 1.0.0...
[INFO] checking mpu9250-dmp-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate mpu9250-dmp 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mpu9250-dmp 1.0.0 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] started tweaking crates.io crate mpu9250-dmp 1.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate mpu9250-dmp 1.0.0
[INFO] tweaked toml for crates.io crate mpu9250-dmp 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 74 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.4.12 (latest: v1.6.0)
[INFO] [stderr]       Adding cargo_metadata v0.14.2 (latest: v0.18.1)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding i2cdev v0.3.2 (latest: v0.6.0)
[INFO] [stderr]       Adding itertools v0.7.11 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding matrixmultiply v0.1.15 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.12.1 (latest: v0.15.6)
[INFO] [stderr]       Adding nix v0.10.0 (latest: v0.28.0)
[INFO] [stderr]       Adding nix v0.14.1 (latest: v0.28.0)
[INFO] [stderr]       Adding num-complex v0.2.4 (latest: v0.4.5)
[INFO] [stderr]       Adding pulldown-cmark v0.9.6 (latest: v0.10.2)
[INFO] [stderr]       Adding rawpointer v0.1.0 (latest: v0.2.1)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding sysfs_gpio v0.5.4 (latest: v0.6.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded ak8963 v1.1.0
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1dac91619fff1c5ca7672e2f755e1be645c2196c7d509e640e9d843cc9c86dc2
[INFO] running `Command { std: "docker" "start" "-a" "1dac91619fff1c5ca7672e2f755e1be645c2196c7d509e640e9d843cc9c86dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dac91619fff1c5ca7672e2f755e1be645c2196c7d509e640e9d843cc9c86dc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dac91619fff1c5ca7672e2f755e1be645c2196c7d509e640e9d843cc9c86dc2", kill_on_drop: false }`
[INFO] [stdout] 1dac91619fff1c5ca7672e2f755e1be645c2196c7d509e640e9d843cc9c86dc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e158197b0e9181cbf92219bf027b304060a494f36f47cda1c0f85f677c59cfd3
[INFO] running `Command { std: "docker" "start" "-a" "e158197b0e9181cbf92219bf027b304060a494f36f47cda1c0f85f677c59cfd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling fastrand v2.0.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bytecount v0.6.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling tempfile v3.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling cargo-platform v0.1.8
[INFO] [stderr]    Compiling cargo_metadata v0.14.2
[INFO] [stderr]    Compiling skeptic v0.13.7
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking ak8963 v1.1.0
[INFO] [stderr]     Checking mpu9250-dmp v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | const QUAT_ERROR_THRESH: i32 = (1 << 16);
[INFO] [stdout]    |                                ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 - const QUAT_ERROR_THRESH: i32 = (1 << 16);
[INFO] [stdout] 18 + const QUAT_ERROR_THRESH: i32 = 1 << 16;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | const QUAT_MAG_SQ_NORMALIZED: i32 = (1 << 28);
[INFO] [stdout]    |                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 - const QUAT_MAG_SQ_NORMALIZED: i32 = (1 << 28);
[INFO] [stdout] 19 + const QUAT_MAG_SQ_NORMALIZED: i32 = 1 << 28;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 | const QUAT_MAG_SQ_MIN: i32 = (QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH);
[INFO] [stdout]    |                              ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 - const QUAT_MAG_SQ_MIN: i32 = (QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH);
[INFO] [stdout] 20 + const QUAT_MAG_SQ_MIN: i32 = QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | const QUAT_MAG_SQ_MAX: i32 = (QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH);
[INFO] [stdout]    |                              ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 - const QUAT_MAG_SQ_MAX: i32 = (QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH);
[INFO] [stdout] 21 + const QUAT_MAG_SQ_MAX: i32 = QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 | const QUAT_ERROR_THRESH: i32 = (1 << 16);
[INFO] [stdout]    |                                ^       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 - const QUAT_ERROR_THRESH: i32 = (1 << 16);
[INFO] [stdout] 18 + const QUAT_ERROR_THRESH: i32 = 1 << 16;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | const QUAT_MAG_SQ_NORMALIZED: i32 = (1 << 28);
[INFO] [stdout]    |                                     ^       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 - const QUAT_MAG_SQ_NORMALIZED: i32 = (1 << 28);
[INFO] [stdout] 19 + const QUAT_MAG_SQ_NORMALIZED: i32 = 1 << 28;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 | const QUAT_MAG_SQ_MIN: i32 = (QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH);
[INFO] [stdout]    |                              ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 20 - const QUAT_MAG_SQ_MIN: i32 = (QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH);
[INFO] [stdout] 20 + const QUAT_MAG_SQ_MIN: i32 = QUAT_MAG_SQ_NORMALIZED - QUAT_ERROR_THRESH;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/dmp.rs:21:30
[INFO] [stdout]    |
[INFO] [stdout] 21 | const QUAT_MAG_SQ_MAX: i32 = (QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH);
[INFO] [stdout]    |                              ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 21 - const QUAT_MAG_SQ_MAX: i32 = (QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH);
[INFO] [stdout] 21 + const QUAT_MAG_SQ_MAX: i32 = QUAT_MAG_SQ_NORMALIZED + QUAT_ERROR_THRESH;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::convert::From;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:124:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `From` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/scan_dmp.rs:74:28
[INFO] [stdout]    |
[INFO] [stdout] 74 |                         Ok(mut dmp_sample) => {
[INFO] [stdout]    |                            ----^^^^^^^^^^
[INFO] [stdout]    |                            |
[INFO] [stdout]    |                            help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.66s
[INFO] running `Command { std: "docker" "inspect" "e158197b0e9181cbf92219bf027b304060a494f36f47cda1c0f85f677c59cfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e158197b0e9181cbf92219bf027b304060a494f36f47cda1c0f85f677c59cfd3", kill_on_drop: false }`
[INFO] [stdout] e158197b0e9181cbf92219bf027b304060a494f36f47cda1c0f85f677c59cfd3