[INFO] fetching crate servant 0.1.0... [INFO] testing servant-0.1.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate servant 0.1.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate servant 0.1.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0817f1a40031d953cf9027b346c7cc5e1bc4d6b4fbd33bb4fa8174626eecdbc6 [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" "0817f1a40031d953cf9027b346c7cc5e1bc4d6b4fbd33bb4fa8174626eecdbc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0817f1a40031d953cf9027b346c7cc5e1bc4d6b4fbd33bb4fa8174626eecdbc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0817f1a40031d953cf9027b346c7cc5e1bc4d6b4fbd33bb4fa8174626eecdbc6", kill_on_drop: false }` [INFO] [stdout] 0817f1a40031d953cf9027b346c7cc5e1bc4d6b4fbd33bb4fa8174626eecdbc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2d559973cbb1e7c5099b47cabf82bc4f35ca25b43f8a6831ddbf0c6f273ea2a8 [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" "2d559973cbb1e7c5099b47cabf82bc4f35ca25b43f8a6831ddbf0c6f273ea2a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Compiling slab v0.4.3 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling futures-core-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling pin-project-internal v0.4.28 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling futures-io-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling spin v0.5.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling bytes v0.5.6 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling futures-channel-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling crossbeam-utils v0.6.6 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.7 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling smallvec v0.6.14 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling crossbeam-queue v0.1.2 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling futures-util-preview v0.3.0-alpha.19 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling signal-hook v0.3.9 [INFO] [stderr] Compiling blocking v1.0.2 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling regex v1.5.4 [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 ctor v0.1.20 [INFO] [stderr] Compiling servant-macro v0.1.0 [INFO] [stderr] Compiling ring-channel v0.7.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling polling v2.0.3 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling async-io v1.4.1 [INFO] [stderr] Compiling servant-log v0.1.0 [INFO] [stderr] Compiling pin-project v0.4.28 [INFO] [stderr] Compiling async-process v1.1.0 [INFO] [stderr] Compiling async-global-executor v2.0.2 [INFO] [stderr] Compiling async-std v1.9.0 [INFO] [stderr] Compiling futures-executor v0.3.15 [INFO] [stderr] Compiling futures v0.3.15 [INFO] [stderr] Compiling futures_codec v0.3.4 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling servant-codec v0.1.0 [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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/list.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | tail: Option>, [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: `new` [INFO] [stdout] --> src/list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/list.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `top` [INFO] [stdout] --> src/list.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn top(&mut self, node: Node) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bottom` [INFO] [stdout] --> src/list.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/list.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_head` [INFO] [stdout] --> src/list.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_back` [INFO] [stdout] --> src/list.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_head` [INFO] [stdout] --> src/list.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_back` [INFO] [stdout] --> src/list.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stdout] --> src/servant.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 07s [INFO] running `Command { std: "docker" "inspect" "2d559973cbb1e7c5099b47cabf82bc4f35ca25b43f8a6831ddbf0c6f273ea2a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d559973cbb1e7c5099b47cabf82bc4f35ca25b43f8a6831ddbf0c6f273ea2a8", kill_on_drop: false }` [INFO] [stdout] 2d559973cbb1e7c5099b47cabf82bc4f35ca25b43f8a6831ddbf0c6f273ea2a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 844cee65e81759281916608228bf48f34909589a5b01b3336ad2630bc0e3930a [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" "844cee65e81759281916608228bf48f34909589a5b01b3336ad2630bc0e3930a", 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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `tail` [INFO] [stdout] --> src/list.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | tail: Option>, [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: `new` [INFO] [stdout] --> src/list.rs:47:12 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/list.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `top` [INFO] [stdout] --> src/list.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub fn top(&mut self, node: Node) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `bottom` [INFO] [stdout] --> src/list.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `remove` [INFO] [stdout] --> src/list.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_head` [INFO] [stdout] --> src/list.rs:118:12 [INFO] [stdout] | [INFO] [stdout] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push_back` [INFO] [stdout] --> src/list.rs:134:12 [INFO] [stdout] | [INFO] [stdout] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_head` [INFO] [stdout] --> src/list.rs:150:12 [INFO] [stdout] | [INFO] [stdout] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop_back` [INFO] [stdout] --> src/list.rs:165:12 [INFO] [stdout] | [INFO] [stdout] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stdout] --> src/servant.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `len` [INFO] [stdout] --> src/list.rs:54:12 [INFO] [stdout] | [INFO] [stdout] 54 | pub fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `DEFAULT_TIMEOUT_MS` [INFO] [stdout] --> src/servant.rs:63:1 [INFO] [stdout] | [INFO] [stdout] 63 | const DEFAULT_TIMEOUT_MS: usize = 5000; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.28s [INFO] running `Command { std: "docker" "inspect" "844cee65e81759281916608228bf48f34909589a5b01b3336ad2630bc0e3930a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "844cee65e81759281916608228bf48f34909589a5b01b3336ad2630bc0e3930a", kill_on_drop: false }` [INFO] [stdout] 844cee65e81759281916608228bf48f34909589a5b01b3336ad2630bc0e3930a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2380cd2374490f5360e7646f026dc5e12211273ccbfc7b0dff25408d05595352 [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" "2380cd2374490f5360e7646f026dc5e12211273ccbfc7b0dff25408d05595352", 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)]` 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)]` on by default [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: associated function is never used: `new` [INFO] [stderr] --> src/list.rs:47:12 [INFO] [stderr] | [INFO] [stderr] 47 | pub fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/list.rs:54:12 [INFO] [stderr] | [INFO] [stderr] 54 | pub fn len(&self) -> usize { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `top` [INFO] [stderr] --> src/list.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub fn top(&mut self, node: Node) { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `bottom` [INFO] [stderr] --> src/list.rs:81:12 [INFO] [stderr] | [INFO] [stderr] 81 | pub fn bottom(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `remove` [INFO] [stderr] --> src/list.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn remove(&mut self, node: Node) { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_head` [INFO] [stderr] --> src/list.rs:118:12 [INFO] [stderr] | [INFO] [stderr] 118 | pub fn push_head(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push_back` [INFO] [stderr] --> src/list.rs:134:12 [INFO] [stderr] | [INFO] [stderr] 134 | pub fn push_back(&mut self, val: T) -> Node { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop_head` [INFO] [stderr] --> src/list.rs:150:12 [INFO] [stderr] | [INFO] [stderr] 150 | pub fn pop_head(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `pop_back` [INFO] [stderr] --> src/list.rs:165:12 [INFO] [stderr] | [INFO] [stderr] 165 | pub fn pop_back(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant 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: 14 warnings emitted [INFO] [stderr] [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)]` 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)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `len` [INFO] [stderr] --> src/list.rs:54:12 [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 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: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/servant-2cead27b60f4c076) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test drop_guard::tests::deref ... ok [INFO] [stdout] test drop_guard::tests::deref_mut ... ok [INFO] [stdout] test drop_guard::tests::drop_change ... ok [INFO] [stdout] test drop_guard::tests::it_works ... ok [INFO] [stdout] test drop_guard::tests::keep_sync_shared_data ... ok [INFO] [stdout] test drop_guard::tests::keep_send_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] &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: 0x55c3b82bdf20 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stdout] 1: 0x55c3b82bdf20 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55c3b82bdf20 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stdout] 3: 0x55c3b82bdf20 - ::fmt::h767e17e1aa7df6a8 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stdout] 4: 0x55c3b82e06dc - core::fmt::write::h7aa6cd0067dca82a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stdout] 5: 0x55c3b82baf95 - std::io::Write::write_fmt::h6f1a9b91376a1376 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stdout] 6: 0x55c3b82c008b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stdout] 7: 0x55c3b82c008b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stdout] 8: 0x55c3b82c008b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stdout] 9: 0x55c3b82bfb9c - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:222:9 [INFO] [stdout] 10: 0x55c3b82c0731 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stdout] 11: 0x55c3b82c0207 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:517:13 [INFO] [stdout] 12: 0x55c3b82be3fc - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stdout] 13: 0x55c3b82c0199 - rust_begin_unwind [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stdout] 14: 0x55c3b825f4a1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stdout] 15: 0x55c3b825f3ed - core::panicking::panic::h3de4db67bd397eb3 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:50:5 [INFO] [stdout] 16: 0x55c3b826a9f4 - servant::list::List::remove::h6c071435b9367865 [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:116:9 [INFO] [stdout] 17: 0x55c3b82617ed - servant::list::test::test1::h714899c302565cd3 [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:213:9 [INFO] [stdout] 18: 0x55c3b825fd2a - servant::list::test::test1::{{closure}}::h2171fee23f579aae [INFO] [stdout] at /opt/rustwide/workdir/src/list.rs:189:5 [INFO] [stdout] 19: 0x55c3b826515e - core::ops::function::FnOnce::call_once::haa696c0d840e454c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55c3b8293993 - core::ops::function::FnOnce::call_once::h673fbe3f96486fd2 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55c3b8293993 - test::__rust_begin_short_backtrace::h8eedc24e104ef6a0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:577:5 [INFO] [stdout] 22: 0x55c3b8292440 - as core::ops::function::FnOnce>::call_once::h028d0969d3f94d78 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 23: 0x55c3b8292440 - as core::ops::function::FnOnce<()>>::call_once::h7634b01590b1722b [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:346:9 [INFO] [stdout] 24: 0x55c3b8292440 - std::panicking::try::do_call::hf74f869706dec63b [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 25: 0x55c3b8292440 - std::panicking::try::hd0b7346ebfaaae44 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 26: 0x55c3b8292440 - std::panic::catch_unwind::hdbf6904f7c253080 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stdout] 27: 0x55c3b8292440 - test::run_test_in_process::h87e95a014ac91067 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:600:18 [INFO] [stdout] 28: 0x55c3b8292440 - test::run_test::run_test_inner::{{closure}}::hdd69ae44aaab3470 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:492:39 [INFO] [stdout] 29: 0x55c3b826d712 - test::run_test::run_test_inner::{{closure}}::hc159305704d5b68a [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/test/src/lib.rs:519:37 [INFO] [stdout] 30: 0x55c3b826d712 - std::sys_common::backtrace::__rust_begin_short_backtrace::h33d8a8ad5f788fcc [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stdout] 31: 0x55c3b8271488 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h6181011ddf4b8353 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/thread/mod.rs:481:17 [INFO] [stdout] 32: 0x55c3b8271488 - as core::ops::function::FnOnce<()>>::call_once::hf924ea0a0f25a1c0 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:346:9 [INFO] [stdout] 33: 0x55c3b8271488 - std::panicking::try::do_call::hd58061792d05fa5c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stdout] 34: 0x55c3b8271488 - std::panicking::try::h3080747417e5af37 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stdout] 35: 0x55c3b8271488 - std::panic::catch_unwind::hfeba515dcf36cb66 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stdout] 36: 0x55c3b8271488 - std::thread::Builder::spawn_unchecked::{{closure}}::h29d57a62faff749b [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/thread/mod.rs:480:30 [INFO] [stdout] 37: 0x55c3b8271488 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h44709d312d2a9c59 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55c3b82c51e7 - as core::ops::function::FnOnce>::call_once::h902e2cf6655e1b0c [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 39: 0x55c3b82c51e7 - as core::ops::function::FnOnce>::call_once::h893a5452154309d1 [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/alloc/src/boxed.rs:1575:9 [INFO] [stdout] 40: 0x55c3b82c51e7 - std::sys::unix::thread::Thread::new::thread_start::hdedcb57c96ab37cd [INFO] [stdout] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys/unix/thread.rs:71:17 [INFO] [stdout] 41: 0x7fd5dac35609 - start_thread [INFO] [stdout] 42: 0x7fd5daa07293 - clone [INFO] [stdout] 43: 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 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "2380cd2374490f5360e7646f026dc5e12211273ccbfc7b0dff25408d05595352", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2380cd2374490f5360e7646f026dc5e12211273ccbfc7b0dff25408d05595352", kill_on_drop: false }` [INFO] [stdout] 2380cd2374490f5360e7646f026dc5e12211273ccbfc7b0dff25408d05595352