[INFO] fetching crate stdext 0.3.3... [INFO] checking stdext-0.3.3 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate stdext 0.3.3 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate stdext 0.3.3 [INFO] finished tweaking crates.io crate stdext 0.3.3 [INFO] tweaked toml for crates.io crate stdext 0.3.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate stdext 0.3.3 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5206018e6f81f7a462bb5babcfa20c31972cd02f093873a63873f4f70466caa8 [INFO] running `Command { std: "docker" "start" "-a" "5206018e6f81f7a462bb5babcfa20c31972cd02f093873a63873f4f70466caa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5206018e6f81f7a462bb5babcfa20c31972cd02f093873a63873f4f70466caa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5206018e6f81f7a462bb5babcfa20c31972cd02f093873a63873f4f70466caa8", kill_on_drop: false }` [INFO] [stdout] 5206018e6f81f7a462bb5babcfa20c31972cd02f093873a63873f4f70466caa8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5abf5caefff2e2c2246bad49cdafe901ea1a35135c402ea15b0decb165ad3a4b [INFO] running `Command { std: "docker" "start" "-a" "5abf5caefff2e2c2246bad49cdafe901ea1a35135c402ea15b0decb165ad3a4b", kill_on_drop: false }` [INFO] [stderr] Checking stdext v0.3.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:242:16 [INFO] [stdout] | [INFO] [stdout] 242 | self + Self::from_hours(hours) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `duration::DurationExt::from_hours(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(duration_constructors_lite)]` to the crate attributes to enable `std::time::Duration::from_hours` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors_lite)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:246:16 [INFO] [stdout] | [INFO] [stdout] 246 | self + Self::from_days(days) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `duration::DurationExt::from_days(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `std::time::Duration::from_days` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:282:24 [INFO] [stdout] | [INFO] [stdout] 282 | assert_eq!(Duration::from_hours(hours), Duration::from_secs(seconds)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `duration::DurationExt::from_hours(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(duration_constructors_lite)]` to the crate attributes to enable `std::time::Duration::from_hours` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors_lite)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:289:24 [INFO] [stdout] | [INFO] [stdout] 289 | assert_eq!(Duration::from_days(days), Duration::from_secs(seconds)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `duration::DurationExt::from_days(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `std::time::Duration::from_days` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:242:16 [INFO] [stdout] | [INFO] [stdout] 242 | self + Self::from_hours(hours) [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `DurationExt::from_hours(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(duration_constructors_lite)]` to the crate attributes to enable `Duration::from_hours` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors_lite)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/duration.rs:246:16 [INFO] [stdout] | [INFO] [stdout] 246 | self + Self::from_days(days) [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `DurationExt::from_days(...)` to keep using the current method [INFO] [stdout] help: add `#![feature(duration_constructors)]` to the crate attributes to enable `Duration::from_days` [INFO] [stdout] --> src/lib.rs:132:1 [INFO] [stdout] | [INFO] [stdout] 132 + #![feature(duration_constructors)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/mutex.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn force_lock(&self) -> MutexGuard; [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | fn force_lock(&self) -> MutexGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/mutex.rs:29:19 [INFO] [stdout] | [INFO] [stdout] 29 | fn force_lock(&self) -> MutexGuard { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn force_lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn force_read(&self) -> RwLockReadGuard; [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | fn force_read(&self) -> RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | fn force_write(&self) -> RwLockWriteGuard; [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | fn force_write(&self) -> RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn force_read(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | fn force_read(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | fn force_write(&self) -> RwLockWriteGuard { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | fn force_write(&self) -> RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/mutex.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn force_lock(&self) -> MutexGuard; [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | fn force_lock(&self) -> MutexGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/mutex.rs:29:19 [INFO] [stdout] | [INFO] [stdout] 29 | fn force_lock(&self) -> MutexGuard { [INFO] [stdout] | ^^^^^ ------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 29 | fn force_lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:25:19 [INFO] [stdout] | [INFO] [stdout] 25 | fn force_read(&self) -> RwLockReadGuard; [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 25 | fn force_read(&self) -> RwLockReadGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:48:20 [INFO] [stdout] | [INFO] [stdout] 48 | fn force_write(&self) -> RwLockWriteGuard; [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 48 | fn force_write(&self) -> RwLockWriteGuard<'_, T>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 52 | fn force_read(&self) -> RwLockReadGuard { [INFO] [stdout] | ^^^^^ ------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 52 | fn force_read(&self) -> RwLockReadGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/sync/rw_lock.rs:56:20 [INFO] [stdout] | [INFO] [stdout] 56 | fn force_write(&self) -> RwLockWriteGuard { [INFO] [stdout] | ^^^^^ ------------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 56 | fn force_write(&self) -> RwLockWriteGuard<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "5abf5caefff2e2c2246bad49cdafe901ea1a35135c402ea15b0decb165ad3a4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5abf5caefff2e2c2246bad49cdafe901ea1a35135c402ea15b0decb165ad3a4b", kill_on_drop: false }` [INFO] [stdout] 5abf5caefff2e2c2246bad49cdafe901ea1a35135c402ea15b0decb165ad3a4b