[INFO] cloning repository https://github.com/mathieupoirier/vhost-device-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathieupoirier/vhost-device-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieupoirier%2Fvhost-device-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieupoirier%2Fvhost-device-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9fdfa4ff6d2146c6c1785085942dbccd4c68955
[INFO] checking mathieupoirier/vhost-device-test against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathieupoirier%2Fvhost-device-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/mathieupoirier/vhost-device-test
[INFO] finished tweaking git repo https://github.com/mathieupoirier/vhost-device-test
[INFO] tweaked toml for git repo https://github.com/mathieupoirier/vhost-device-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathieupoirier/vhost-device-test on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathieupoirier/vhost-device-test 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4006c257a287f224b3ebb24e31b3cf3868e35e365bc5f3a6ff260ee23c3408d
[INFO] running `Command { std: "docker" "start" "-a" "c4006c257a287f224b3ebb24e31b3cf3868e35e365bc5f3a6ff260ee23c3408d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4006c257a287f224b3ebb24e31b3cf3868e35e365bc5f3a6ff260ee23c3408d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4006c257a287f224b3ebb24e31b3cf3868e35e365bc5f3a6ff260ee23c3408d", kill_on_drop: false }`
[INFO] [stdout] c4006c257a287f224b3ebb24e31b3cf3868e35e365bc5f3a6ff260ee23c3408d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d8af0b9154b3cba3588250e8b662695827c97af4dc1f2dacbaa00d78cdc895d
[INFO] running `Command { std: "docker" "start" "-a" "4d8af0b9154b3cba3588250e8b662695827c97af4dc1f2dacbaa00d78cdc895d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking virtio-bindings v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking vmm-sys-util v0.10.0
[INFO] [stderr]     Checking vm-memory v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking once_cell v1.13.1
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking epoll v4.3.1
[INFO] [stderr]     Checking vhost v0.4.0
[INFO] [stderr]     Checking virtio-queue v0.5.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling libgpiod-sys v0.1.0 (https://github.com/vireshk/libgpiod#9d8e18e2)
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking vhost-user-backend v0.6.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.32
[INFO] [stderr]    Compiling clap_derive v3.2.17
[INFO] [stderr]     Checking thiserror v1.0.32
[INFO] [stderr]     Checking libgpiod v0.1.0 (https://github.com/vireshk/libgpiod#9d8e18e2)
[INFO] [stderr]     Checking clap v3.2.17
[INFO] [stderr]     Checking vhost-device-i2c v0.1.0 (/opt/rustwide/workdir/i2c)
[INFO] [stderr]     Checking vhost-device-rng v0.1.0 (/opt/rustwide/workdir/rng)
[INFO] [stderr]     Checking vhost-device-gpio v0.1.0 (/opt/rustwide/workdir/gpio)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> rng/src/vhu_rng.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let mut timer = &mut self.timer;
[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]    --> rng/src/vhu_rng.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let mut timer = &mut self.timer;
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.25s
[INFO] running `Command { std: "docker" "inspect" "4d8af0b9154b3cba3588250e8b662695827c97af4dc1f2dacbaa00d78cdc895d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8af0b9154b3cba3588250e8b662695827c97af4dc1f2dacbaa00d78cdc895d", kill_on_drop: false }`
[INFO] [stdout] 4d8af0b9154b3cba3588250e8b662695827c97af4dc1f2dacbaa00d78cdc895d