[INFO] cloning repository https://github.com/arighi/virtiofsd [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arighi/virtiofsd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farighi%2Fvirtiofsd", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farighi%2Fvirtiofsd'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0126226ad22d026dcb136ec6b3b6257a3ba4905e [INFO] checking arighi/virtiofsd/0126226ad22d026dcb136ec6b3b6257a3ba4905e against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farighi%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/arighi/virtiofsd on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/arighi/virtiofsd [INFO] finished tweaking git repo https://github.com/arighi/virtiofsd [INFO] tweaked toml for git repo https://github.com/arighi/virtiofsd written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/arighi/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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vm-memory v0.10.0 [INFO] [stderr] Downloaded syslog v6.0.1 [INFO] [stderr] Downloaded capng v0.2.2 [INFO] [stderr] Downloaded virtio-bindings v0.1.0 [INFO] [stderr] Downloaded libseccomp-sys v0.2.1 [INFO] [stderr] Downloaded vhost-user-backend v0.8.0 [INFO] [stderr] Downloaded vhost v0.6.0 [INFO] [stderr] Downloaded virtio-queue v0.7.0 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71ed4abf37ad74914ebb686c2e031994227daf8878d73b3bc10efcaa2df51675 [INFO] running `Command { std: "docker" "start" "-a" "71ed4abf37ad74914ebb686c2e031994227daf8878d73b3bc10efcaa2df51675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71ed4abf37ad74914ebb686c2e031994227daf8878d73b3bc10efcaa2df51675", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71ed4abf37ad74914ebb686c2e031994227daf8878d73b3bc10efcaa2df51675", kill_on_drop: false }` [INFO] [stdout] 71ed4abf37ad74914ebb686c2e031994227daf8878d73b3bc10efcaa2df51675 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6da94b3a5cc1fe29044af1bd9ff6c7a404f6ea80edc4e682313f69f4621896c9 [INFO] running `Command { std: "docker" "start" "-a" "6da94b3a5cc1fe29044af1bd9ff6c7a404f6ea80edc4e682313f69f4621896c9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling io-lifetimes v1.0.4 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking arc-swap v1.5.0 [INFO] [stderr] Compiling rustix v0.36.7 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking linux-raw-sys v0.1.4 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking virtio-bindings v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Compiling libseccomp-sys v0.2.1 [INFO] [stderr] Compiling capng v0.2.2 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking num_threads v0.1.6 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking vm-memory v0.10.0 [INFO] [stderr] Checking vmm-sys-util v0.11.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking time v0.3.11 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking vhost v0.6.0 [INFO] [stderr] Checking virtio-queue v0.7.0 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking syslog v6.0.1 [INFO] [stderr] Checking vhost-user-backend v0.8.0 [INFO] [stderr] Checking is-terminal v0.4.2 [INFO] [stderr] Checking env_logger v0.10.0 [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 v1.6.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `virtq_desc` is never constructed [INFO] [stdout] --> src/descriptor_utils.rs:434:8 [INFO] [stdout] | [INFO] [stdout] 434 | struct virtq_desc { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `virtq_desc` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `virtq_avail` is never constructed [INFO] [stdout] --> src/descriptor_utils.rs:446:8 [INFO] [stdout] | [INFO] [stdout] 446 | struct virtq_avail { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `virtq_avail` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1581:20 [INFO] [stdout] | [INFO] [stdout] 1581 | Handle(Arc, RawFd), [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] 1581 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/util.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | struct PidFd(File); [INFO] [stdout] | ----- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/passthrough/mod.rs:1581:20 [INFO] [stdout] | [INFO] [stdout] 1581 | 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] 1581 | Handle((), RawFd), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/util.rs:76:18 [INFO] [stdout] | [INFO] [stdout] 76 | struct PidFd(File); [INFO] [stdout] | ----- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 58 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 60 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 70 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 | ProcessQueue(()), [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 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 74 | 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:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | CreateKillEventFd(io::Error), [INFO] [stdout] | ----------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 58 | CreateKillEventFd(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:60:22 [INFO] [stdout] | [INFO] [stdout] 60 | CreateThreadPool(io::Error), [INFO] [stdout] | ---------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 60 | CreateThreadPool(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:70:18 [INFO] [stdout] | [INFO] [stdout] 70 | ProcessQueue(VhostUserFsError), [INFO] [stdout] | ------------ ^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 | ProcessQueue(()), [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 | QueueReader(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 | QueueReader(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:74:17 [INFO] [stdout] | [INFO] [stdout] 74 | QueueWriter(VufDescriptorError), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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] 74 | QueueWriter(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.31s [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6da94b3a5cc1fe29044af1bd9ff6c7a404f6ea80edc4e682313f69f4621896c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da94b3a5cc1fe29044af1bd9ff6c7a404f6ea80edc4e682313f69f4621896c9", kill_on_drop: false }` [INFO] [stdout] 6da94b3a5cc1fe29044af1bd9ff6c7a404f6ea80edc4e682313f69f4621896c9