[INFO] crate servant 0.1.0 is already in cache [INFO] testing servant-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274 [INFO] extracting crate servant 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate servant 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766 [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"` [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-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d3a3afa37d8b3caaec73a1460eb32f90a5d8bcdb74cab00cd8b8c6d0e1065c01 [INFO] running `"docker" "start" "-a" "d3a3afa37d8b3caaec73a1460eb32f90a5d8bcdb74cab00cd8b8c6d0e1065c01"` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling futures-sink-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling ring v0.16.12 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling smallvec v0.6.13 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling mio-uds v0.6.7 [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 futures-macro v0.3.4 [INFO] [stderr] Compiling pin-project-internal v0.4.9 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling servant-macro v0.1.0 [INFO] [stderr] Compiling ring-channel v0.7.0 [INFO] [stderr] Compiling servant-log v0.1.0 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.9 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling broadcaster v1.0.0 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling futures_codec v0.3.4 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling bincode v1.2.1 [INFO] [stderr] Compiling servant-codec v0.1.0 [INFO] [stderr] Compiling servant v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: field is never read: `tail` [INFO] [stderr] --> src/list.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | tail: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/list.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/list.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `top` [INFO] [stderr] --> src/list.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn top(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bottom` [INFO] [stderr] --> src/list.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/list.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_head` [INFO] [stderr] --> src/list.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_back` [INFO] [stderr] --> src/list.rs:134:5 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_head` [INFO] [stderr] --> src/list.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_back` [INFO] [stderr] --> src/list.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stderr] --> src/servant.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 02s [INFO] running `"docker" "inspect" "d3a3afa37d8b3caaec73a1460eb32f90a5d8bcdb74cab00cd8b8c6d0e1065c01"` [INFO] running `"docker" "rm" "-f" "d3a3afa37d8b3caaec73a1460eb32f90a5d8bcdb74cab00cd8b8c6d0e1065c01"` [INFO] [stdout] d3a3afa37d8b3caaec73a1460eb32f90a5d8bcdb74cab00cd8b8c6d0e1065c01 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6bc5296210594c872682470b75979da22303384c52cd2181b11c0bee2f60afe1 [INFO] running `"docker" "start" "-a" "6bc5296210594c872682470b75979da22303384c52cd2181b11c0bee2f60afe1"` [INFO] [stderr] Compiling servant v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: field is never read: `tail` [INFO] [stderr] --> src/list.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | tail: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/list.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/list.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `top` [INFO] [stderr] --> src/list.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn top(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bottom` [INFO] [stderr] --> src/list.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/list.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_head` [INFO] [stderr] --> src/list.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_back` [INFO] [stderr] --> src/list.rs:134:5 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_head` [INFO] [stderr] --> src/list.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_back` [INFO] [stderr] --> src/list.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stderr] --> src/servant.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/list.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stderr] --> src/servant.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.33s [INFO] running `"docker" "inspect" "6bc5296210594c872682470b75979da22303384c52cd2181b11c0bee2f60afe1"` [INFO] running `"docker" "rm" "-f" "6bc5296210594c872682470b75979da22303384c52cd2181b11c0bee2f60afe1"` [INFO] [stdout] 6bc5296210594c872682470b75979da22303384c52cd2181b11c0bee2f60afe1 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 208a62533af18200037613e599b2c1545c930f2b9f9cd2927a2c6774955cfc63 [INFO] running `"docker" "start" "-a" "208a62533af18200037613e599b2c1545c930f2b9f9cd2927a2c6774955cfc63"` [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/list.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stderr] --> src/servant.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: field is never read: `tail` [INFO] [stderr] --> src/list.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | tail: Option>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/list.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn new() -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `len` [INFO] [stderr] --> src/list.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `top` [INFO] [stderr] --> src/list.rs:57:5 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn top(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bottom` [INFO] [stderr] --> src/list.rs:81:5 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `remove` [INFO] [stderr] --> src/list.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_head` [INFO] [stderr] --> src/list.rs:118:5 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `push_back` [INFO] [stderr] --> src/list.rs:134:5 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_head` [INFO] [stderr] --> src/list.rs:150:5 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `pop_back` [INFO] [stderr] --> src/list.rs:165:5 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stderr] --> src/servant.rs:63:1 [INFO] [stderr] | [INFO] [stderr] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 11 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.52s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/servant-f6e42098c87d7548 [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test drop_guard::tests::deref ... ok [INFO] [stdout] test drop_guard::tests::it_works ... 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::keep_sync_shared_data ... ok [INFO] [stdout] test list::test::test2 ... ok [INFO] [stdout] test list::test::test1 ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- list::test::test1 stdout ---- [INFO] [stdout] [src/list.rs:197] &l = [1]-(|1|) [INFO] [stdout] [src/list.rs:199] &l = [2]-(|4>)-(<1|) [INFO] [stdout] [src/list.rs:201] &l = [3]-(|4>)-(<1>)-(<2|) [INFO] [stdout] [src/list.rs:203] &l = [4]-(|5>)-(<4>)-(<1>)-(<2|) [INFO] [stdout] [src/list.rs:205] &l = [5]-(|5>)-(<4>)-(<1>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:208] &l = [4]-(|5>)-(<4>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:210] &l = [2]-(|4>)-(<2>)-(<3|) [INFO] [stdout] [src/list.rs:212] &l = [1]-(|4>)-(<3|) [INFO] [stdout] thread 'list::test::test1' panicked at 'attempt to subtract with overflow', src/list.rs:116:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5599470fa684 - backtrace::backtrace::libunwind::trace::hbb4ce8c04526962e [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stdout] 1: 0x5599470fa684 - backtrace::backtrace::trace_unsynchronized::h79251c088e7be038 [INFO] [stdout] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stdout] 2: 0x5599470fa684 - std::sys_common::backtrace::_print_fmt::h6b0ea30a9223acae [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stdout] 3: 0x5599470fa684 - ::fmt::h4d51ef07ce58e54b [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] 4: 0x55994712329c - core::fmt::write::he16b9c1345d8565e [INFO] [stdout] at src/libcore/fmt/mod.rs:1069 [INFO] [stdout] 5: 0x5599470abd15 - std::io::Write::write_fmt::hc31efe493f037457 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/io/mod.rs:1504 [INFO] [stdout] 6: 0x5599470f4ca1 - std::io::impls::>::write_fmt::hfcb1ff6c5b834381 [INFO] [stdout] at src/libstd/io/impls.rs:156 [INFO] [stdout] 7: 0x5599470fcf55 - std::sys_common::backtrace::_print::h9288fa7d9f6629cb [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stdout] 8: 0x5599470fcf55 - std::sys_common::backtrace::print::h82e606e62781d8af [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stdout] 9: 0x5599470fcf55 - std::panicking::default_hook::{{closure}}::h1fe350ecbf7604e4 [INFO] [stdout] at src/libstd/panicking.rs:198 [INFO] [stdout] 10: 0x5599470fcc3b - std::panicking::default_hook::h1b8b42953fdc841d [INFO] [stdout] at src/libstd/panicking.rs:215 [INFO] [stdout] 11: 0x5599470fd5b2 - std::panicking::rust_panic_with_hook::he73826f4bb75a21e [INFO] [stdout] at src/libstd/panicking.rs:511 [INFO] [stdout] 12: 0x5599470fd19b - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:419 [INFO] [stdout] 13: 0x559947121cc1 - core::panicking::panic_fmt::hc8f9a0b2af5fb585 [INFO] [stdout] at src/libcore/panicking.rs:111 [INFO] [stdout] 14: 0x559947121c0d - core::panicking::panic::hc3c435d4bc248f19 [INFO] [stdout] at src/libcore/panicking.rs:54 [INFO] [stdout] 15: 0x5599470a66d3 - servant::list::List::remove::hb6d1fedf996e837d [INFO] [stdout] at src/list.rs:116 [INFO] [stdout] 16: 0x55994709e680 - servant::list::test::test1::h1b1300cc528b876a [INFO] [stdout] at src/list.rs:213 [INFO] [stdout] 17: 0x55994709c8fa - servant::list::test::test1::{{closure}}::heb01139ba2180831 [INFO] [stdout] at src/list.rs:189 [INFO] [stdout] 18: 0x5599470a289e - core::ops::function::FnOnce::call_once::h0b748eebbfef2d5a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 19: 0x5599470b7c0f - as core::ops::function::FnOnce>::call_once::he1ba1da20629a2d8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 20: 0x5599470d320e - as core::ops::function::FnOnce<()>>::call_once::hf94927858761de4a [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 21: 0x5599470d320e - std::panicking::try::do_call::h1585003392664d93 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 22: 0x5599470d320e - std::panicking::try::h43d950f958a74468 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 23: 0x5599470d320e - std::panic::catch_unwind::hb5284de2977ddeea [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 24: 0x5599470d320e - test::run_test_in_process::had39bb305b26a3ae [INFO] [stdout] at src/libtest/lib.rs:541 [INFO] [stdout] 25: 0x5599470d320e - test::run_test::run_test_inner::{{closure}}::h12b1756b854ada1a [INFO] [stdout] at src/libtest/lib.rs:450 [INFO] [stdout] 26: 0x5599470ab1c6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hec04b80bece92bf9 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/sys_common/backtrace.rs:130 [INFO] [stdout] 27: 0x5599470b04e5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::heca431434c1ac418 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:475 [INFO] [stdout] 28: 0x5599470b04e5 - as core::ops::function::FnOnce<()>>::call_once::he2457d582c032747 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:318 [INFO] [stdout] 29: 0x5599470b04e5 - std::panicking::try::do_call::hbcd49dc3823e8b28 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:331 [INFO] [stdout] 30: 0x5599470b04e5 - std::panicking::try::h1ba95c07dd8d422b [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panicking.rs:274 [INFO] [stdout] 31: 0x5599470b04e5 - std::panic::catch_unwind::h95854794ba9eee4c [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/panic.rs:394 [INFO] [stdout] 32: 0x5599470b04e5 - std::thread::Builder::spawn_unchecked::{{closure}}::h4e297b8574092d6e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libstd/thread/mod.rs:474 [INFO] [stdout] 33: 0x5599470b04e5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h1b855aad7f5ac67e [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/libcore/ops/function.rs:232 [INFO] [stdout] 34: 0x5599470f0eaf - as core::ops::function::FnOnce>::call_once::h48069b269ca48108 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 35: 0x559947103d93 - as core::ops::function::FnOnce>::call_once::heff660b32cd3afd8 [INFO] [stdout] at /rustc/28742a1146f10a4f09369baad027a464acb7a766/src/liballoc/boxed.rs:1008 [INFO] [stdout] 36: 0x559947103d93 - std::sys::unix::thread::Thread::new::thread_start::ha538939ed1e2e958 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:87 [INFO] [stdout] 37: 0x7fb2797a56db - start_thread [INFO] [stdout] 38: 0x7fb2792b688f - __clone [INFO] [stdout] 39: 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 [INFO] [stdout] [INFO] running `"docker" "inspect" "208a62533af18200037613e599b2c1545c930f2b9f9cd2927a2c6774955cfc63"` [INFO] running `"docker" "rm" "-f" "208a62533af18200037613e599b2c1545c930f2b9f9cd2927a2c6774955cfc63"` [INFO] [stdout] 208a62533af18200037613e599b2c1545c930f2b9f9cd2927a2c6774955cfc63