[INFO] fetching crate servant 0.1.0... [INFO] testing servant-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate servant 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate servant 0.1.0 [INFO] finished tweaking crates.io crate servant 0.1.0 [INFO] tweaked toml for crates.io crate servant 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate servant 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 128 packages to latest compatible versions [INFO] [stderr] Adding bincode v1.3.3 (available: v2.0.1) [INFO] [stderr] Adding futures_codec v0.3.4 (available: v0.4.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 96750dfca9c5c7601809464803d8f2972d9390a71e9ee371f15688c969a63652 [INFO] running `Command { std: "docker" "start" "-a" "96750dfca9c5c7601809464803d8f2972d9390a71e9ee371f15688c969a63652", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "96750dfca9c5c7601809464803d8f2972d9390a71e9ee371f15688c969a63652", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96750dfca9c5c7601809464803d8f2972d9390a71e9ee371f15688c969a63652", kill_on_drop: false }` [INFO] [stdout] 96750dfca9c5c7601809464803d8f2972d9390a71e9ee371f15688c969a63652 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9700f960f6c91af7aca4461f101eef4b66a321dc04d3b80d7188ade5149ada9 [INFO] running `Command { std: "docker" "start" "-a" "c9700f960f6c91af7aca4461f101eef4b66a321dc04d3b80d7188ade5149ada9", kill_on_drop: false }` [INFO] [stderr] Compiling futures-io v0.3.31 [INFO] [stderr] Compiling parking v2.2.1 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling async-io v2.6.0 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-channel v0.3.31 [INFO] [stderr] Compiling value-bag v1.11.1 [INFO] [stderr] Compiling concurrent-queue v2.5.0 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling pin-project-internal v0.4.30 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling futures-macro v0.3.31 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling futures-lite v2.6.1 [INFO] [stderr] Compiling piper v0.2.4 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling event-listener v5.4.1 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling async-channel v1.9.0 [INFO] [stderr] Compiling event-listener-strategy v0.5.4 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling async-channel v2.5.0 [INFO] [stderr] Compiling async-lock v3.4.1 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling blocking v1.6.2 [INFO] [stderr] Compiling async-executor v1.13.3 [INFO] [stderr] Compiling futures-executor-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling ring-channel v0.7.0 [INFO] [stderr] Compiling servant-log v0.1.0 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling servant-macro v0.1.0 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling pin-project v0.4.30 [INFO] [stderr] Compiling futures_codec v0.3.4 [INFO] [stderr] Compiling polling v3.11.0 [INFO] [stderr] Compiling servant-codec v0.1.0 [INFO] [stderr] Compiling async-signal v0.2.13 [INFO] [stderr] Compiling async-global-executor v2.4.1 [INFO] [stderr] Compiling async-process v2.5.0 [INFO] [stderr] Compiling async-std v1.13.2 [INFO] [stderr] Compiling servant v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accept.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/adapter.rs:91:10 [INFO] [stdout] | [INFO] [stdout] 91 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `record` [INFO] [stdout] --> src/accept.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | Some(record) => unreachable!(), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Node` is never used [INFO] [stdout] --> src/list.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | pub type Node = Rc>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 46 | impl List { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 47 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn top(&mut self, node: Node) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_TIMEOUT_MS` is never used [INFO] [stdout] --> src/servant.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.31s [INFO] running `Command { std: "docker" "inspect" "c9700f960f6c91af7aca4461f101eef4b66a321dc04d3b80d7188ade5149ada9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9700f960f6c91af7aca4461f101eef4b66a321dc04d3b80d7188ade5149ada9", kill_on_drop: false }` [INFO] [stdout] c9700f960f6c91af7aca4461f101eef4b66a321dc04d3b80d7188ade5149ada9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6dfb829fae1b324ba5a613900fac604a25c482cdedc40a4eee720fe4850de628 [INFO] running `Command { std: "docker" "start" "-a" "6dfb829fae1b324ba5a613900fac604a25c482cdedc40a4eee720fe4850de628", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accept.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/adapter.rs:91:10 [INFO] [stdout] | [INFO] [stdout] 91 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `record` [INFO] [stdout] --> src/accept.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | Some(record) => unreachable!(), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Node` is never used [INFO] [stdout] --> src/list.rs:38:10 [INFO] [stdout] | [INFO] [stdout] 38 | pub type Node = Rc>>; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/list.rs:40:12 [INFO] [stdout] | [INFO] [stdout] 40 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 46 | impl List { [INFO] [stdout] | ---------------------- associated items in this implementation [INFO] [stdout] 47 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn top(&mut self, node: Node) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_TIMEOUT_MS` is never used [INFO] [stdout] --> src/servant.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling servant v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/accept.rs:22:6 [INFO] [stdout] | [INFO] [stdout] 22 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/adapter.rs:91:10 [INFO] [stdout] | [INFO] [stdout] 91 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `record` [INFO] [stdout] --> src/accept.rs:38:22 [INFO] [stdout] | [INFO] [stdout] 38 | Some(record) => unreachable!(), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/list.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 46 | impl List { [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEFAULT_TIMEOUT_MS` is never used [INFO] [stdout] --> src/servant.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.29s [INFO] running `Command { std: "docker" "inspect" "6dfb829fae1b324ba5a613900fac604a25c482cdedc40a4eee720fe4850de628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dfb829fae1b324ba5a613900fac604a25c482cdedc40a4eee720fe4850de628", kill_on_drop: false }` [INFO] [stdout] 6dfb829fae1b324ba5a613900fac604a25c482cdedc40a4eee720fe4850de628 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 86f3697d95492b619162cfcee6c2e027f36f7da9d2f03ad96342717b7528ae42 [INFO] running `Command { std: "docker" "start" "-a" "86f3697d95492b619162cfcee6c2e027f36f7da9d2f03ad96342717b7528ae42", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/accept.rs:22:6 [INFO] [stderr] | [INFO] [stderr] 22 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/adapter.rs:91:10 [INFO] [stderr] | [INFO] [stderr] 91 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/accept.rs:38:22 [INFO] [stderr] | [INFO] [stderr] 38 | Some(record) => unreachable!(), [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type alias `Node` is never used [INFO] [stderr] --> src/list.rs:38:10 [INFO] [stderr] | [INFO] [stderr] 38 | pub type Node = Rc>>; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: struct `List` is never constructed [INFO] [stderr] --> src/list.rs:40:12 [INFO] [stderr] | [INFO] [stderr] 40 | pub struct List { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple associated items are never used [INFO] [stderr] --> src/list.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 46 | impl List { [INFO] [stderr] | ---------------------- associated items in this implementation [INFO] [stderr] 47 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 57 | pub fn top(&mut self, node: Node) { [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant `DEFAULT_TIMEOUT_MS` is never used [INFO] [stderr] --> src/servant.rs:63:7 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method `len` is never used [INFO] [stderr] --> src/list.rs:54:12 [INFO] [stderr] | [INFO] [stderr] 46 | impl List { [INFO] [stderr] | ---------------------- method in this implementation [INFO] [stderr] ... [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `servant` (lib) generated 7 warnings (run `cargo fix --lib -p servant` to apply 1 suggestion) [INFO] [stderr] warning: `servant` (lib test) generated 5 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/servant-997aeadd9332c48b) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test drop_guard::tests::deref ... ok [INFO] [stdout] test drop_guard::tests::drop_change ... ok [INFO] [stdout] test drop_guard::tests::keep_send_shared_data ... ok [INFO] [stdout] test drop_guard::tests::deref_mut ... ok [INFO] [stdout] test drop_guard::tests::it_works ... ok [INFO] [stdout] test drop_guard::tests::keep_sync_shared_data ... ok [INFO] [stdout] test list::test::test2 ... ok [INFO] [stdout] test list::test::test1 ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- list::test::test1 stdout ---- [INFO] [stdout] [src/list.rs:197:9] &l = [1]-(|1|) [INFO] [stdout] [src/list.rs:199:9] &l = [2]-(|4>)-(<1|) [INFO] [stdout] [src/list.rs:201:9] &l = [3]-(|4>)-(<1>)-(<2|) [INFO] [stdout] [src/list.rs:203:9] &l = [4]-(|5>)-(<4>)-(<1>)-(<2|) [INFO] [stdout] [src/list.rs:205:9] &l = [5]-(|5>)-(<4>)-(<1>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:208:9] &l = [4]-(|5>)-(<4>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:210:9] &l = [2]-(|4>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:212:9] &l = [1]-(|4>)-(<3|) [INFO] [stdout] [INFO] [stdout] thread 'list::test::test1' (31) panicked at src/list.rs:116:9: [INFO] [stdout] attempt to subtract with overflow [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x62cacf340792 - std::backtrace_rs::backtrace::libunwind::trace::h9ea1e07ac77a25d7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x62cacf340792 - std::backtrace_rs::backtrace::trace_unsynchronized::h72b75eb83b53d15a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x62cacf340792 - std::sys::backtrace::_print_fmt::h255777b7ec902439 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x62cacf340792 - ::fmt::h8a1ac49fcd7ee8ce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x62cacf3505ef - core::fmt::rt::Argument::fmt::h635cbf3c6754cc90 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x62cacf3505ef - core::fmt::write::hbdcc0ec4f1bab1db [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x62cacf30e133 - std::io::default_write_fmt::h2580ece0d4b58e51 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x62cacf30e133 - std::io::Write::write_fmt::hac9e42858f273b87 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x62cacf31a002 - std::sys::backtrace::BacktraceLock::print::h052febbd86f7bf07 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x62cacf31eadf - std::panicking::default_hook::{{closure}}::h66aeee20dd470abb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x62cacf31e971 - std::panicking::default_hook::h9d66b9642014ce48 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:325:9 [INFO] [stdout] 11: 0x62cacf2e0a4e - as core::ops::function::Fn>::call::h8c698701e444e564 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9 [INFO] [stdout] 12: 0x62cacf2e0a4e - test::test_main_with_exit_callback::{{closure}}::ha1c98e7b69c4defb [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:145:21 [INFO] [stdout] 13: 0x62cacf31f0ef - as core::ops::function::Fn>::call::hc4f222a8a57c637a [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2099:9 [INFO] [stdout] 14: 0x62cacf31f0ef - std::panicking::panic_with_hook::h6d5921a1a1fa5a8e [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:842:13 [INFO] [stdout] 15: 0x62cacf31ef16 - std::panicking::panic_handler::{{closure}}::hafeef6f707d43542 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:700:13 [INFO] [stdout] 16: 0x62cacf31a139 - std::sys::backtrace::__rust_end_short_backtrace::h08cbc3319a3d0120 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 17: 0x62cacf302a2d - __rustc[ce5c411ff86ab1b2]::rust_begin_unwind [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 18: 0x62cacf357f20 - core::panicking::panic_fmt::h774fb860369a0f7b [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:80:14 [INFO] [stdout] 19: 0x62cacf357b07 - core::panicking::panic_const::panic_const_sub_overflow::h9e47a01cc8626376 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panicking.rs:180:17 [INFO] [stdout] 20: 0x62cacf2bcf9b - servant::list::List::remove::h08f43f9fc7044af9 [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:116:9 [INFO] [stdout] 21: 0x62cacf2beb68 - servant::list::test::test1::h23812a051ca6cc30 [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:213:11 [INFO] [stdout] 22: 0x62cacf2bedb7 - servant::list::test::test1::{{closure}}::h3a636c4ea76fa2f5 [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:189:15 [INFO] [stdout] 23: 0x62cacf2b8126 - core::ops::function::FnOnce::call_once::h51c6756f6f4eaff6 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x62cacf2e089b - core::ops::function::FnOnce::call_once::h4f6eabe90cccb47d [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 25: 0x62cacf2e089b - test::__rust_begin_short_backtrace::h94208530f2b4c8c7 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:663:18 [INFO] [stdout] 26: 0x62cacf2f48ad - test::run_test_in_process::{{closure}}::hbdc6a45a78c46404 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:74 [INFO] [stdout] 27: 0x62cacf2f48ad - as core::ops::function::FnOnce<()>>::call_once::h7f9d8efc7eedd165 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 28: 0x62cacf2f48ad - std::panicking::catch_unwind::do_call::he5edbaf126c13b99 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 29: 0x62cacf2f48ad - std::panicking::catch_unwind::h3d6a8652eceeabce [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 30: 0x62cacf2f48ad - std::panic::catch_unwind::hbef0c501dd7bb498 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 31: 0x62cacf2f48ad - test::run_test_in_process::h400008a46a5006a0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:686:27 [INFO] [stdout] 32: 0x62cacf2f48ad - test::run_test::{{closure}}::h9a131655b31d9427 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:607:43 [INFO] [stdout] 33: 0x62cacf2cddf4 - test::run_test::{{closure}}::he4a7177c216308c0 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/test/src/lib.rs:637:41 [INFO] [stdout] 34: 0x62cacf2cddf4 - std::sys::backtrace::__rust_begin_short_backtrace::hd3980e9c55d6c539 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/backtrace.rs:158:18 [INFO] [stdout] 35: 0x62cacf2d172a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h18552df67c7aa9b8 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:562:17 [INFO] [stdout] 36: 0x62cacf2d172a - as core::ops::function::FnOnce<()>>::call_once::h3d7b285234641a08 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/panic/unwind_safe.rs:274:9 [INFO] [stdout] 37: 0x62cacf2d172a - std::panicking::catch_unwind::do_call::h5a2b5cf36528a5b2 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 38: 0x62cacf2d172a - std::panicking::catch_unwind::h7e8b531bbda77d20 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 39: 0x62cacf2d172a - std::panic::catch_unwind::hf9bbb2040b4f1e6c [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/panic.rs:359:14 [INFO] [stdout] 40: 0x62cacf2d172a - std::thread::Builder::spawn_unchecked_::{{closure}}::h600f92cf68549574 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/thread/mod.rs:560:30 [INFO] [stdout] 41: 0x62cacf2d172a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hb6607307df8a1847 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 42: 0x62cacf31553f - as core::ops::function::FnOnce>::call_once::h6891ad53a5ed6f52 [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/alloc/src/boxed.rs:2085:9 [INFO] [stdout] 43: 0x62cacf31553f - std::sys::thread::unix::Thread::new::thread_start::h7f3e77fa86df70af [INFO] [stdout] at /rustc/c2e32f1c9652b13ed99608599c1e855462f421f3/library/std/src/sys/thread/unix.rs:124:17 [INFO] [stdout] 44: 0x75867b6a6aa4 - [INFO] [stdout] 45: 0x75867b733a64 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] list::test::test1 [INFO] [stdout] [INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--lib` [INFO] running `Command { std: "docker" "inspect" "86f3697d95492b619162cfcee6c2e027f36f7da9d2f03ad96342717b7528ae42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86f3697d95492b619162cfcee6c2e027f36f7da9d2f03ad96342717b7528ae42", kill_on_drop: false }` [INFO] [stdout] 86f3697d95492b619162cfcee6c2e027f36f7da9d2f03ad96342717b7528ae42