[INFO] fetching crate socketcan-hal 3.0.0-alpha.2...
[INFO] checking socketcan-hal-3.0.0-alpha.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate socketcan-hal 3.0.0-alpha.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate socketcan-hal 3.0.0-alpha.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate socketcan-hal 3.0.0-alpha.2
[INFO] finished tweaking crates.io crate socketcan-hal 3.0.0-alpha.2
[INFO] tweaked toml for crates.io crate socketcan-hal 3.0.0-alpha.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate socketcan-hal 3.0.0-alpha.2 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-hal v1.0.0-alpha.8
[INFO] [stderr]   Downloaded neli v0.6.2
[INFO] [stderr]   Downloaded byte_conv v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.2.2
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0682a0e045a66bcbc02847216786c94233ae49418798c9f522189859c4bee50e
[INFO] running `Command { std: "docker" "start" "-a" "0682a0e045a66bcbc02847216786c94233ae49418798c9f522189859c4bee50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0682a0e045a66bcbc02847216786c94233ae49418798c9f522189859c4bee50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0682a0e045a66bcbc02847216786c94233ae49418798c9f522189859c4bee50e", kill_on_drop: false }`
[INFO] [stdout] 0682a0e045a66bcbc02847216786c94233ae49418798c9f522189859c4bee50e
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d15fbbb4ffdcceec73759775b625687bd498f6817e28ce794f7b1292421850
[INFO] running `Command { std: "docker" "start" "-a" "e3d15fbbb4ffdcceec73759775b625687bd498f6817e28ce794f7b1292421850", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.42
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde_derive v1.0.140
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling either v1.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.8
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking byte_conv v0.1.1
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ctrlc v3.2.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]    Compiling neli-proc-macros v0.1.3
[INFO] [stderr]     Checking neli v0.6.2
[INFO] [stderr]     Checking socketcan-hal v3.0.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `nix` is imported redundantly
[INFO] [stdout]   --> src/nl.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | use nix::{self, unistd, net::if_::if_nametoindex};
[INFO] [stdout]    |           ^^^^ the item `nix` 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 `nix` is imported redundantly
[INFO] [stdout]   --> src/nl.rs:26:11
[INFO] [stdout]    |
[INFO] [stdout] 26 | use nix::{self, unistd, net::if_::if_nametoindex};
[INFO] [stdout]    |           ^^^^ the item `nix` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_ctrl_err` is never used
[INFO] [stdout]    --> src/err.rs:462:8
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub trait ControllerSpecificErrorInformation {
[INFO] [stdout]     |           ---------------------------------- method in this trait
[INFO] [stdout] 462 |     fn get_ctrl_err(&self) -> Option<&[u8]>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_ctrl_err` is never used
[INFO] [stdout]    --> src/err.rs:462:8
[INFO] [stdout]     |
[INFO] [stdout] 461 | pub trait ControllerSpecificErrorInformation {
[INFO] [stdout]     |           ---------------------------------- method in this trait
[INFO] [stdout] 462 |     fn get_ctrl_err(&self) -> Option<&[u8]>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.56s
[INFO] running `Command { std: "docker" "inspect" "e3d15fbbb4ffdcceec73759775b625687bd498f6817e28ce794f7b1292421850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d15fbbb4ffdcceec73759775b625687bd498f6817e28ce794f7b1292421850", kill_on_drop: false }`
[INFO] [stdout] e3d15fbbb4ffdcceec73759775b625687bd498f6817e28ce794f7b1292421850