[INFO] cloning repository https://github.com/tzx/kv [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tzx/kv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftzx%2Fkv", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftzx%2Fkv'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0437875e4215c0db821907e83bf42877ac6f3708 [INFO] checking tzx/kv against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftzx%2Fkv" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tzx/kv [INFO] finished tweaking git repo https://github.com/tzx/kv [INFO] tweaked toml for git repo https://github.com/tzx/kv written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tzx/kv on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tzx/kv 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking tzx/kv against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftzx%2Fkv" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tzx/kv [INFO] finished tweaking git repo https://github.com/tzx/kv [INFO] tweaked toml for git repo https://github.com/tzx/kv written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tzx/kv on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tzx/kv 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c032ac277115bc79a261c3f4362d6a087b8f43912b0df640f5dcb8866bc658ee [INFO] running `Command { std: "docker" "start" "-a" "c032ac277115bc79a261c3f4362d6a087b8f43912b0df640f5dcb8866bc658ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c032ac277115bc79a261c3f4362d6a087b8f43912b0df640f5dcb8866bc658ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c032ac277115bc79a261c3f4362d6a087b8f43912b0df640f5dcb8866bc658ee", kill_on_drop: false }` [INFO] [stdout] c032ac277115bc79a261c3f4362d6a087b8f43912b0df640f5dcb8866bc658ee [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c8c4b33ae44690f57a4cd02bbc38ce69690caeaef7bb2fd81f8e5e92aed94f5b [INFO] running `Command { std: "docker" "start" "-a" "c8c4b33ae44690f57a4cd02bbc38ce69690caeaef7bb2fd81f8e5e92aed94f5b", 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 v0.2.140 [INFO] [stderr] Checking messages v0.1.0 (/opt/rustwide/workdir/messages) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> messages/src/messages.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn to_cmd(data: &[u8], total_len: usize) -> Result { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn to_cmd(data: &[u8], total_len: usize) -> Result, ParseError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> messages/src/messages.rs:139:21 [INFO] [stdout] | [INFO] [stdout] 139 | pub fn to_cmd(data: &[u8], total_len: usize) -> Result { [INFO] [stdout] | ^^^^^ the lifetime is elided here ------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 139 | pub fn to_cmd(data: &[u8], total_len: usize) -> Result, ParseError> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stderr] Checking pollq v0.1.0 (/opt/rustwide/workdir/pollq) [INFO] [stdout] warning: method `change_events` is never used [INFO] [stdout] --> pollq/src/pollq.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl PqFd { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn change_events(&mut self, reading: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `change_events` is never used [INFO] [stdout] --> pollq/src/pollq.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl PqFd { [INFO] [stdout] | --------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 27 | fn change_events(&mut self, reading: bool) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stdout] warning: unused variable: `com` [INFO] [stdout] --> server/src/main.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | fn handle_active(com: &PqFd, tpq: &mut TaskPollQueue) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_com` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tpq` [INFO] [stdout] --> server/src/main.rs:91:30 [INFO] [stdout] | [INFO] [stdout] 91 | fn handle_active(com: &PqFd, tpq: &mut TaskPollQueue) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tpq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `com` [INFO] [stdout] --> server/src/main.rs:91:18 [INFO] [stdout] | [INFO] [stdout] 91 | fn handle_active(com: &PqFd, tpq: &mut TaskPollQueue) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_com` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kv` [INFO] [stdout] --> server/src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut kv: KV = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_kv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `tpq` [INFO] [stdout] --> server/src/main.rs:91:30 [INFO] [stdout] | [INFO] [stdout] 91 | fn handle_active(com: &PqFd, tpq: &mut TaskPollQueue) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_tpq` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kv` [INFO] [stdout] --> server/src/main.rs:98:13 [INFO] [stdout] | [INFO] [stdout] 98 | let mut kv: KV = HashMap::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_kv` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> server/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut kv: KV = HashMap::new(); [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] error[E0499]: cannot borrow `tpq` as mutable more than once at a time [INFO] [stdout] --> server/src/main.rs:110:32 [INFO] [stdout] | [INFO] [stdout] 108 | let actives = tpq.poll_actives().expect("There was an error while polling!"); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 109 | for com in actives.into_iter() { [INFO] [stdout] | ------------------- first borrow later used here [INFO] [stdout] 110 | handle_active(com, &mut tpq); [INFO] [stdout] | ^^^^^^^^ second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> server/src/main.rs:98:9 [INFO] [stdout] | [INFO] [stdout] 98 | let mut kv: KV = HashMap::new(); [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] error[E0499]: cannot borrow `tpq` as mutable more than once at a time [INFO] [stdout] --> server/src/main.rs:110:32 [INFO] [stdout] | [INFO] [stdout] 108 | let actives = tpq.poll_actives().expect("There was an error while polling!"); [INFO] [stdout] | --- first mutable borrow occurs here [INFO] [stdout] 109 | for com in actives.into_iter() { [INFO] [stdout] | ------------------- first borrow later used here [INFO] [stdout] 110 | handle_active(com, &mut tpq); [INFO] [stdout] | ^^^^^^^^ second mutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0499`. [INFO] [stdout] [INFO] [stderr] error: could not compile `server` (bin "server") due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `server` (bin "server" test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c8c4b33ae44690f57a4cd02bbc38ce69690caeaef7bb2fd81f8e5e92aed94f5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8c4b33ae44690f57a4cd02bbc38ce69690caeaef7bb2fd81f8e5e92aed94f5b", kill_on_drop: false }` [INFO] [stdout] c8c4b33ae44690f57a4cd02bbc38ce69690caeaef7bb2fd81f8e5e92aed94f5b