[INFO] cloning repository https://github.com/teiesti/fussel [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/teiesti/fussel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteiesti%2Ffussel", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteiesti%2Ffussel'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9b9ede84753f944cd08515a9836c7cfb0e9a5e5b [INFO] checking teiesti/fussel against beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fteiesti%2Ffussel" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/teiesti/fussel on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/teiesti/fussel [INFO] finished tweaking git repo https://github.com/teiesti/fussel [INFO] tweaked toml for git repo https://github.com/teiesti/fussel written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/teiesti/fussel already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 01607530abcb6f84d2194e8a80de6f4b19e9de9bd2c7e91322d66046c62aeaf6 [INFO] running `Command { std: "docker" "start" "-a" "01607530abcb6f84d2194e8a80de6f4b19e9de9bd2c7e91322d66046c62aeaf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01607530abcb6f84d2194e8a80de6f4b19e9de9bd2c7e91322d66046c62aeaf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01607530abcb6f84d2194e8a80de6f4b19e9de9bd2c7e91322d66046c62aeaf6", kill_on_drop: false }` [INFO] [stdout] 01607530abcb6f84d2194e8a80de6f4b19e9de9bd2c7e91322d66046c62aeaf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 031313cab5af887a882eed34279ba178552b03220fed6776d68a3bb8d4e301b4 [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" "031313cab5af887a882eed34279ba178552b03220fed6776d68a3bb8d4e301b4", kill_on_drop: false }` [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.9 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking pin-project-lite v0.1.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking bytes v0.5.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Checking crossbeam-channel v0.4.0 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking crossbeam-deque v0.7.2 [INFO] [stderr] Checking crossbeam v0.7.3 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Compiling tokio-macros v0.2.0 [INFO] [stderr] Checking tokio v0.2.2 [INFO] [stderr] Checking fussel v0.1.0-dev (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `File` [INFO] [stdout] --> src/fault.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | / File { [INFO] [stdout] 44 | | path: PathBuf [INFO] [stdout] 45 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `error` [INFO] [stdout] --> src/fault.rs:121:19 [INFO] [stdout] | [INFO] [stdout] 121 | pub(crate) fn error(txt: S) -> Self [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note` [INFO] [stdout] --> src/fault.rs:135:19 [INFO] [stdout] | [INFO] [stdout] 135 | pub(crate) fn note(txt: S) -> Self [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_bare` [INFO] [stdout] --> src/fault.rs:149:19 [INFO] [stdout] | [INFO] [stdout] 149 | pub(crate) fn is_bare(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Error` [INFO] [stdout] --> src/fault.rs:165:5 [INFO] [stdout] | [INFO] [stdout] 165 | Error, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Note` [INFO] [stdout] --> src/fault.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | Note, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `init` [INFO] [stdout] --> src/lint/incomplete_work.rs:11:19 [INFO] [stdout] | [INFO] [stdout] 11 | pub(crate) fn init(keywords: Vec) -> Self { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_send` [INFO] [stdout] --> src/stage.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) async fn async_send(sender: &Sender, msg: T) -> Result<(), SendError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lint/incomplete_work.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let mut report = |fault| faults.push(fault); [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: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/stage.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | replace(&mut optional, Some(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `note` [INFO] [stdout] --> src/fault.rs:135:19 [INFO] [stdout] | [INFO] [stdout] 135 | pub(crate) fn note(txt: S) -> Self [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_bare` [INFO] [stdout] --> src/fault.rs:149:19 [INFO] [stdout] | [INFO] [stdout] 149 | pub(crate) fn is_bare(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Note` [INFO] [stdout] --> src/fault.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | Note, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `async_send` [INFO] [stdout] --> src/stage.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | pub(crate) async fn async_send(sender: &Sender, msg: T) -> Result<(), SendError> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/stage.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | replace(&mut optional, Some(msg)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.59s [INFO] running `Command { std: "docker" "inspect" "031313cab5af887a882eed34279ba178552b03220fed6776d68a3bb8d4e301b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "031313cab5af887a882eed34279ba178552b03220fed6776d68a3bb8d4e301b4", kill_on_drop: false }` [INFO] [stdout] 031313cab5af887a882eed34279ba178552b03220fed6776d68a3bb8d4e301b4