[INFO] cloning repository https://github.com/kevinclark/gq-4x4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinclark/gq-4x4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Fgq-4x4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Fgq-4x4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6ce189787cf4587ad15dd9046030d5c592e61a1 [INFO] checking kevinclark/gq-4x4 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinclark%2Fgq-4x4" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kevinclark/gq-4x4 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kevinclark/gq-4x4 [INFO] finished tweaking git repo https://github.com/kevinclark/gq-4x4 [INFO] tweaked toml for git repo https://github.com/kevinclark/gq-4x4 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/kevinclark/gq-4x4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.36 [INFO] [stderr] Downloaded libflate_lz77 v1.0.0 [INFO] [stderr] Downloaded nix v0.19.1 [INFO] [stderr] Downloaded rustyline v7.1.0 [INFO] [stderr] Downloaded rle-decode-fast v1.0.1 [INFO] [stderr] Downloaded libflate v1.0.3 [INFO] [stderr] Downloaded rustyline-derive v0.4.0 [INFO] [stderr] Downloaded tar v0.4.30 [INFO] [stderr] Downloaded libusb1-sys v0.4.3 [INFO] [stderr] Downloaded dirs-sys-next v0.1.1 [INFO] [stderr] Downloaded rusb v0.6.5 [INFO] [stderr] Downloaded pretty-hex v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b37aff7d43d21bd86747e00dd3ab4601c478526462c3c2a391e1f88255a6ab03 [INFO] running `Command { std: "docker" "start" "-a" "b37aff7d43d21bd86747e00dd3ab4601c478526462c3c2a391e1f88255a6ab03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b37aff7d43d21bd86747e00dd3ab4601c478526462c3c2a391e1f88255a6ab03", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b37aff7d43d21bd86747e00dd3ab4601c478526462c3c2a391e1f88255a6ab03", kill_on_drop: false }` [INFO] [stdout] b37aff7d43d21bd86747e00dd3ab4601c478526462c3c2a391e1f88255a6ab03 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e84085c33e46dc5a45738ab11dd40897b31d4d3c904d87e35c07210a84e8ccd [INFO] running `Command { std: "docker" "start" "-a" "7e84085c33e46dc5a45738ab11dd40897b31d4d3c904d87e35c07210a84e8ccd", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling rle-decode-fast v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling adler32 v1.2.0 [INFO] [stderr] Compiling libflate_lz77 v1.0.0 [INFO] [stderr] Compiling syn v1.0.54 [INFO] [stderr] Compiling anyhow v1.0.36 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Compiling hex-literal v0.3.1 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking pretty-hex v0.2.1 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Compiling libflate v1.0.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking dirs-sys-next v0.1.1 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling filetime v0.2.13 [INFO] [stderr] Compiling tar v0.4.30 [INFO] [stderr] Compiling libusb1-sys v0.4.3 [INFO] [stderr] Compiling rustyline-derive v0.4.0 [INFO] [stderr] Checking rusb v0.6.5 [INFO] [stderr] Checking rustyline v7.1.0 [INFO] [stderr] Checking gq4x4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | mut handle: &mut DeviceHandle, [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: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:97:5 [INFO] [stdout] | [INFO] [stdout] 97 | mut handle: &mut DeviceHandle, [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: function is never used: `mimic_bulk_transaction` [INFO] [stdout] --> src/lib.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn mimic_bulk_transaction( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `mimic_bulk_transaction` [INFO] [stdout] --> src/lib.rs:74:4 [INFO] [stdout] | [INFO] [stdout] 74 | fn mimic_bulk_transaction( [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 [unoptimized + debuginfo] target(s) in 18.45s [INFO] running `Command { std: "docker" "inspect" "7e84085c33e46dc5a45738ab11dd40897b31d4d3c904d87e35c07210a84e8ccd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e84085c33e46dc5a45738ab11dd40897b31d4d3c904d87e35c07210a84e8ccd", kill_on_drop: false }` [INFO] [stdout] 7e84085c33e46dc5a45738ab11dd40897b31d4d3c904d87e35c07210a84e8ccd