[INFO] cloning repository https://github.com/solcloud/virtiofsd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/solcloud/virtiofsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolcloud%2Fvirtiofsd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolcloud%2Fvirtiofsd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] acde2df07b816b4306b0c541b1d55045be49cfff [INFO] checking solcloud/virtiofsd against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolcloud%2Fvirtiofsd" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/solcloud/virtiofsd on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/solcloud/virtiofsd [INFO] finished tweaking git repo https://github.com/solcloud/virtiofsd [INFO] tweaked toml for git repo https://github.com/solcloud/virtiofsd written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/solcloud/virtiofsd 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded virtio-bindings v0.1.0 [INFO] [stderr] Downloaded vm-memory v0.8.0 [INFO] [stderr] Downloaded capng v0.2.2 [INFO] [stderr] Downloaded syslog v6.0.1 [INFO] [stderr] Downloaded vmm-sys-util v0.9.0 [INFO] [stderr] Downloaded vhost v0.4.0 [INFO] [stderr] Downloaded virtio-queue v0.3.0 [INFO] [stderr] Downloaded vhost-user-backend v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8718a7dca7df4cbf5e3840f80ccaf0212dbd5ba9eeb6e5ab7f224a93932f83d4 [INFO] running `Command { std: "docker" "start" "-a" "8718a7dca7df4cbf5e3840f80ccaf0212dbd5ba9eeb6e5ab7f224a93932f83d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8718a7dca7df4cbf5e3840f80ccaf0212dbd5ba9eeb6e5ab7f224a93932f83d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8718a7dca7df4cbf5e3840f80ccaf0212dbd5ba9eeb6e5ab7f224a93932f83d4", kill_on_drop: false }` [INFO] [stdout] 8718a7dca7df4cbf5e3840f80ccaf0212dbd5ba9eeb6e5ab7f224a93932f83d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0550d879b857a354974535fde7d9df2ec9dd191d34dabbe31e03b63bcb5334e1 [INFO] running `Command { std: "docker" "start" "-a" "0550d879b857a354974535fde7d9df2ec9dd191d34dabbe31e03b63bcb5334e1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking arc-swap v1.5.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling libseccomp-sys v0.2.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Compiling capng v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking virtio-bindings v0.1.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking vm-memory v0.8.0 [INFO] [stderr] Checking vmm-sys-util v0.9.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking virtio-queue v0.3.0 [INFO] [stderr] Checking vhost v0.4.0 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking syslog v6.0.1 [INFO] [stderr] Checking vhost-user-backend v0.4.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking virtiofsd v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/limits.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/limits.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1503:20 [INFO] [stdout] | [INFO] [stdout] 1503 | Handle(Arc, RawFd), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1503 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:68:18 [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1503:20 [INFO] [stdout] | [INFO] [stdout] 1503 | Handle(Arc, RawFd), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1503 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:68:18 [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.20s [INFO] running `Command { std: "docker" "inspect" "0550d879b857a354974535fde7d9df2ec9dd191d34dabbe31e03b63bcb5334e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0550d879b857a354974535fde7d9df2ec9dd191d34dabbe31e03b63bcb5334e1", kill_on_drop: false }` [INFO] [stdout] 0550d879b857a354974535fde7d9df2ec9dd191d34dabbe31e03b63bcb5334e1 [INFO] checking solcloud/virtiofsd against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsolcloud%2Fvirtiofsd" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/solcloud/virtiofsd on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/solcloud/virtiofsd [INFO] finished tweaking git repo https://github.com/solcloud/virtiofsd [INFO] tweaked toml for git repo https://github.com/solcloud/virtiofsd written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/solcloud/virtiofsd 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b407db948f96a2750f463f6d6586e4c95846f60a7ecd22ac56a1a8ba1078fd1b [INFO] running `Command { std: "docker" "start" "-a" "b407db948f96a2750f463f6d6586e4c95846f60a7ecd22ac56a1a8ba1078fd1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b407db948f96a2750f463f6d6586e4c95846f60a7ecd22ac56a1a8ba1078fd1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b407db948f96a2750f463f6d6586e4c95846f60a7ecd22ac56a1a8ba1078fd1b", kill_on_drop: false }` [INFO] [stdout] b407db948f96a2750f463f6d6586e4c95846f60a7ecd22ac56a1a8ba1078fd1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd8cbbd1cbbe355df80475e4dbd7ecbd4f669845d66579f68a09bc2f4aa676b7 [INFO] running `Command { std: "docker" "start" "-a" "cd8cbbd1cbbe355df80475e4dbd7ecbd4f669845d66579f68a09bc2f4aa676b7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Checking arc-swap v1.5.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Compiling capng v0.2.2 [INFO] [stderr] Compiling libseccomp-sys v0.2.1 [INFO] [stderr] Checking virtio-bindings v0.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking vmm-sys-util v0.9.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking vm-memory v0.8.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking time v0.3.9 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking vhost v0.4.0 [INFO] [stderr] Checking virtio-queue v0.3.0 [INFO] [stderr] Checking syslog v6.0.1 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking vhost-user-backend v0.4.0 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking virtiofsd v1.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/limits.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/limits.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/util.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1503:20 [INFO] [stdout] | [INFO] [stdout] 1503 | Handle(Arc, RawFd), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1503 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1503:20 [INFO] [stdout] | [INFO] [stdout] 1503 | Handle(Arc, RawFd), [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 1503 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:68:18 [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:56:23 [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 58 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:68:18 [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 68 | ProcessQueue(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:17 [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 70 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 72 | QueueWriter(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.85s [INFO] running `Command { std: "docker" "inspect" "cd8cbbd1cbbe355df80475e4dbd7ecbd4f669845d66579f68a09bc2f4aa676b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd8cbbd1cbbe355df80475e4dbd7ecbd4f669845d66579f68a09bc2f4aa676b7", kill_on_drop: false }` [INFO] [stdout] cd8cbbd1cbbe355df80475e4dbd7ecbd4f669845d66579f68a09bc2f4aa676b7