[INFO] fetching crate driver-pal 0.8.0-alpha.3...
[INFO] checking driver-pal-0.8.0-alpha.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate driver-pal 0.8.0-alpha.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate driver-pal 0.8.0-alpha.3 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate driver-pal 0.8.0-alpha.3
[INFO] finished tweaking crates.io crate driver-pal 0.8.0-alpha.3
[INFO] tweaked toml for crates.io crate driver-pal 0.8.0-alpha.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded driver-cp2130 v1.0.0-alpha.2
[INFO] [stderr]   Downloaded linux-embedded-hal v0.4.0-alpha.0
[INFO] [stderr]   Downloaded gpio-cdev v0.3.0
[INFO] [stderr]   Downloaded libusb1-sys v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb30d1cab40ced7b349899cde743907dc38d458de83df811dc41160c890f5748
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cb30d1cab40ced7b349899cde743907dc38d458de83df811dc41160c890f5748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb30d1cab40ced7b349899cde743907dc38d458de83df811dc41160c890f5748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb30d1cab40ced7b349899cde743907dc38d458de83df811dc41160c890f5748", kill_on_drop: false }`
[INFO] [stdout] cb30d1cab40ced7b349899cde743907dc38d458de83df811dc41160c890f5748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac9ad38aa46d19ed3882e05e98a28786f2cb0f799dbcc79fa21a1301ab94f50d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ac9ad38aa46d19ed3882e05e98a28786f2cb0f799dbcc79fa21a1301ab94f50d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]    Compiling libflate v1.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling tar v0.4.33
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling libusb1-sys v0.4.4
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]     Checking simplelog v0.9.0
[INFO] [stderr]     Checking simplelog v0.8.0
[INFO] [stderr]     Checking gpio-cdev v0.3.0
[INFO] [stderr]     Checking spidev v0.4.1
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking rusb v0.6.5
[INFO] [stderr]     Checking linux-embedded-hal v0.4.0-alpha.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking driver-cp2130 v1.0.0-alpha.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking driver-pal v0.8.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `panic`
[INFO] [stdout]  --> src/mock.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{panic, vec};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `panic`
[INFO] [stdout]  --> src/mock.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{panic, vec};
[INFO] [stdout]   |           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `panic`
[INFO] [stdout]    --> src/mock.rs:524:15
[INFO] [stdout]     |
[INFO] [stdout] 524 |     use std::{panic, vec};
[INFO] [stdout]     |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "ac9ad38aa46d19ed3882e05e98a28786f2cb0f799dbcc79fa21a1301ab94f50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac9ad38aa46d19ed3882e05e98a28786f2cb0f799dbcc79fa21a1301ab94f50d", kill_on_drop: false }`
[INFO] [stdout] ac9ad38aa46d19ed3882e05e98a28786f2cb0f799dbcc79fa21a1301ab94f50d