[INFO] crate industrial-io 0.1.0 is already in cache
[INFO] extracting crate industrial-io 0.1.0 into work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/industrial-io/0.1.0
[INFO] extracting crate industrial-io 0.1.0 into work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/industrial-io/0.1.0
[INFO] validating manifest of industrial-io-0.1.0 on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of industrial-io-0.1.0 on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing industrial-io-0.1.0
[INFO] finished frobbing industrial-io-0.1.0
[INFO] frobbed toml for industrial-io-0.1.0 written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/industrial-io/0.1.0/Cargo.toml
[INFO] started frobbing industrial-io-0.1.0
[INFO] finished frobbing industrial-io-0.1.0
[INFO] frobbed toml for industrial-io-0.1.0 written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/reg/industrial-io/0.1.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking industrial-io-0.1.0 against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/reg/industrial-io/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 86dc9107b69d59936383b5ff733eb043612025fdb459a656432962c88d7ca5a0
[INFO] running `"docker" "start" "-a" "86dc9107b69d59936383b5ff733eb043612025fdb459a656432962c88d7ca5a0"`
[INFO] [stderr]    Compiling libiio-sys v0.1.0
[INFO] [stderr]     Checking schedule_recv v0.1.0
[INFO] [stderr]     Checking industrial-io v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/context.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `device::*`
[INFO] [stderr]   --> src/context.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use device::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/device.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{CString, CStr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/device.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel::*`
[INFO] [stderr]   --> src/device.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use channel::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/channel.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{CString, CStr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/context.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `device::*`
[INFO] [stderr]   --> src/context.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | use device::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/device.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{CString, CStr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/device.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel::*`
[INFO] [stderr]   --> src/device.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use channel::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `CStr`
[INFO] [stderr]   --> src/channel.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::ffi::{CString, CStr};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/iio_free_scan.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     for mut chan in dev.channels() {
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `"docker" "inspect" "86dc9107b69d59936383b5ff733eb043612025fdb459a656432962c88d7ca5a0"`
[INFO] running `"docker" "rm" "-f" "86dc9107b69d59936383b5ff733eb043612025fdb459a656432962c88d7ca5a0"`
[INFO] [stdout] 86dc9107b69d59936383b5ff733eb043612025fdb459a656432962c88d7ca5a0