[INFO] fetching crate urchin 0.1.1... [INFO] checking urchin-0.1.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate urchin 0.1.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate urchin 0.1.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate urchin 0.1.1 [INFO] finished tweaking crates.io crate urchin 0.1.1 [INFO] tweaked toml for crates.io crate urchin 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4fa2ed7d9a30f38d1254b681fa68ec46f35ffdc9fa4c09f7e6a1b9b8b56138ec [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" "4fa2ed7d9a30f38d1254b681fa68ec46f35ffdc9fa4c09f7e6a1b9b8b56138ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4fa2ed7d9a30f38d1254b681fa68ec46f35ffdc9fa4c09f7e6a1b9b8b56138ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4fa2ed7d9a30f38d1254b681fa68ec46f35ffdc9fa4c09f7e6a1b9b8b56138ec", kill_on_drop: false }` [INFO] [stdout] 4fa2ed7d9a30f38d1254b681fa68ec46f35ffdc9fa4c09f7e6a1b9b8b56138ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e8ea16ad9e4ba401d11b540a8609c900af75c7390304d06b5696ed0f943c41b [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" "2e8ea16ad9e4ba401d11b540a8609c900af75c7390304d06b5696ed0f943c41b", kill_on_drop: false }` [INFO] [stderr] Checking urchin v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `Promised` [INFO] [stdout] --> src/future.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Promised, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Ok` [INFO] [stdout] --> src/future.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Ok(T), [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Err` [INFO] [stdout] --> src/future.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Err(E), [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `promised` [INFO] [stdout] --> src/future.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn promised() -> FutureInner { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_val` [INFO] [stdout] --> src/future.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | fn from_val(val: T) -> FutureInner { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_err` [INFO] [stdout] --> src/future.rs:30:8 [INFO] [stdout] | [INFO] [stdout] 30 | fn from_err(err: E) -> FutureInner { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap` [INFO] [stdout] --> src/future.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap_err` [INFO] [stdout] --> src/future.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | fn unwrap_err(self) -> E { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `expect` [INFO] [stdout] --> src/future.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn expect(self, _msg: &str) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_promised` [INFO] [stdout] --> src/future.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_promised(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_err` [INFO] [stdout] --> src/future.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | fn is_err(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_ok` [INFO] [stdout] --> src/future.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | fn is_ok(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ok` [INFO] [stdout] --> src/future.rs:78:8 [INFO] [stdout] | [INFO] [stdout] 78 | fn ok(self) -> Option { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `err` [INFO] [stdout] --> src/future.rs:85:8 [INFO] [stdout] | [INFO] [stdout] 85 | fn err(self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_ok` [INFO] [stdout] --> src/future.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | fn set_ok(&mut self, val: T) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_err` [INFO] [stdout] --> src/future.rs:97:8 [INFO] [stdout] | [INFO] [stdout] 97 | fn set_err(&mut self, err: E) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Future` [INFO] [stdout] --> src/future.rs:104:12 [INFO] [stdout] | [INFO] [stdout] 104 | pub struct Future { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `promised` [INFO] [stdout] --> src/future.rs:112:12 [INFO] [stdout] | [INFO] [stdout] 112 | pub fn promised() -> (Future, Promise) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_val` [INFO] [stdout] --> src/future.rs:119:12 [INFO] [stdout] | [INFO] [stdout] 119 | pub fn from_val(val: T) -> Future { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_err` [INFO] [stdout] --> src/future.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 124 | pub fn from_err(err: E) -> Future { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/future.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn new(inner: Rc>>) -> Future { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_promised` [INFO] [stdout] --> src/future.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn is_promised(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_ok` [INFO] [stdout] --> src/future.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | pub fn is_ok(&self) -> bool { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_err` [INFO] [stdout] --> src/future.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 146 | pub fn is_err(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `err` [INFO] [stdout] --> src/future.rs:152:12 [INFO] [stdout] | [INFO] [stdout] 152 | pub fn err(self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `ok` [INFO] [stdout] --> src/future.rs:160:12 [INFO] [stdout] | [INFO] [stdout] 160 | pub fn ok(self) -> Option { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap_err` [INFO] [stdout] --> src/future.rs:169:12 [INFO] [stdout] | [INFO] [stdout] 169 | pub fn unwrap_err(self) -> E { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `unwrap` [INFO] [stdout] --> src/future.rs:177:12 [INFO] [stdout] | [INFO] [stdout] 177 | pub fn unwrap(self) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Promise` [INFO] [stdout] --> src/future.rs:188:12 [INFO] [stdout] | [INFO] [stdout] 188 | pub struct Promise { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/future.rs:195:8 [INFO] [stdout] | [INFO] [stdout] 195 | fn new(inner: Rc>>) -> Promise { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `resolve` [INFO] [stdout] --> src/future.rs:201:12 [INFO] [stdout] | [INFO] [stdout] 201 | pub fn resolve(self, res: Result) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 31 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `expect` [INFO] [stdout] --> src/future.rs:50:8 [INFO] [stdout] | [INFO] [stdout] 50 | fn expect(self, _msg: &str) -> T { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `Command { std: "docker" "inspect" "2e8ea16ad9e4ba401d11b540a8609c900af75c7390304d06b5696ed0f943c41b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e8ea16ad9e4ba401d11b540a8609c900af75c7390304d06b5696ed0f943c41b", kill_on_drop: false }` [INFO] [stdout] 2e8ea16ad9e4ba401d11b540a8609c900af75c7390304d06b5696ed0f943c41b