[INFO] fetching crate linux_l6470 0.1.0...
[INFO] checking linux_l6470-0.1.0 against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] extracting crate linux_l6470 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate linux_l6470 0.1.0 on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux_l6470 0.1.0
[INFO] finished tweaking crates.io crate linux_l6470 0.1.0
[INFO] tweaked toml for crates.io crate linux_l6470 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "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 bitflags v0.3.3 (latest: v2.6.0)
[INFO] [stderr]       Adding bitflags v0.4.0 (latest: v2.6.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding nix v0.6.0 (latest: v0.29.0)
[INFO] [stderr]       Adding nix v0.14.1 (latest: v0.29.0)
[INFO] [stderr]       Adding rustc_version v0.1.7 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.1.20 (latest: v1.0.23)
[INFO] [stderr]       Adding spidev v0.3.0 (latest: v0.6.0)
[INFO] [stderr]       Adding sysfs_gpio v0.5.4 (latest: v0.6.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spidev v0.3.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.4
[INFO] [stderr]   Downloaded bitflags v0.3.3
[INFO] [stderr]   Downloaded nix v0.6.0
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db0a12d784706a9833d79c04a9211547af642305da0944787b1232d09f4fd437
[INFO] running `Command { std: "docker" "start" "-a" "db0a12d784706a9833d79c04a9211547af642305da0944787b1232d09f4fd437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db0a12d784706a9833d79c04a9211547af642305da0944787b1232d09f4fd437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0a12d784706a9833d79c04a9211547af642305da0944787b1232d09f4fd437", kill_on_drop: false }`
[INFO] [stdout] db0a12d784706a9833d79c04a9211547af642305da0944787b1232d09f4fd437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dec31cd8512d2f9687419c0c711570326acb414942e5bb80f42e657d7ce1c0aa
[INFO] running `Command { std: "docker" "start" "-a" "dec31cd8512d2f9687419c0c711570326acb414942e5bb80f42e657d7ce1c0aa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking spidev v0.3.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking linux_l6470 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             try!(self.spi.transfer(&mut transfer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:227:13
[INFO] [stdout]     |
[INFO] [stdout] 227 |             try!(self.spi.transfer(&mut transfer));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tick_ns`
[INFO] [stdout]   --> src/lib.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let tick_ns = 250;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tick_ns`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tick_ns`
[INFO] [stdout]   --> src/lib.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let tick_ns = 250;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tick_ns`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _ = self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:178:9
[INFO] [stdout]     |
[INFO] [stdout] 178 |         self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |         let _ = self.transfer(&buf[0..self.daisy_chain as usize]);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "dec31cd8512d2f9687419c0c711570326acb414942e5bb80f42e657d7ce1c0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec31cd8512d2f9687419c0c711570326acb414942e5bb80f42e657d7ce1c0aa", kill_on_drop: false }`
[INFO] [stdout] dec31cd8512d2f9687419c0c711570326acb414942e5bb80f42e657d7ce1c0aa