[INFO] fetching crate sweeper 1.0.0-rc3... [INFO] building sweeper-1.0.0-rc3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate sweeper 1.0.0-rc3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate sweeper 1.0.0-rc3 [INFO] finished tweaking crates.io crate sweeper 1.0.0-rc3 [INFO] tweaked toml for crates.io crate sweeper 1.0.0-rc3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate sweeper 1.0.0-rc3 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 18 packages to latest compatible versions [INFO] [stderr] Adding rand v0.7.3 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9032ab0f69ffce053023870b06e1f741b80671f2e93e027295c5ee6af80f0ead [INFO] running `Command { std: "docker" "start" "-a" "9032ab0f69ffce053023870b06e1f741b80671f2e93e027295c5ee6af80f0ead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9032ab0f69ffce053023870b06e1f741b80671f2e93e027295c5ee6af80f0ead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9032ab0f69ffce053023870b06e1f741b80671f2e93e027295c5ee6af80f0ead", kill_on_drop: false }` [INFO] [stdout] 9032ab0f69ffce053023870b06e1f741b80671f2e93e027295c5ee6af80f0ead [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dc7e0c5b7baa2eb0e429227b75af3050ce63806d560f981dcc84529574b7a185 [INFO] running `Command { std: "docker" "start" "-a" "dc7e0c5b7baa2eb0e429227b75af3050ce63806d560f981dcc84529574b7a185", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling sweeper v1.0.0-rc3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/field.rs:575:49 [INFO] [stdout] | [INFO] [stdout] 575 | enum StructField { Storage, Dimensions }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/field.rs:552:5 [INFO] [stdout] | [INFO] [stdout] 552 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove this attribute [INFO] [stdout] | [INFO] [stdout] note: attribute also specified here [INFO] [stdout] --> src/field.rs:547:5 [INFO] [stdout] | [INFO] [stdout] 547 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:433:21 [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:438:25 [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s [INFO] running `Command { std: "docker" "inspect" "dc7e0c5b7baa2eb0e429227b75af3050ce63806d560f981dcc84529574b7a185", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc7e0c5b7baa2eb0e429227b75af3050ce63806d560f981dcc84529574b7a185", kill_on_drop: false }` [INFO] [stdout] dc7e0c5b7baa2eb0e429227b75af3050ce63806d560f981dcc84529574b7a185 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 800fe0e27cf4cbb6a2bb92c8f6530e2fedec9ebd102c242f8ecaaed3bb9c97c8 [INFO] running `Command { std: "docker" "start" "-a" "800fe0e27cf4cbb6a2bb92c8f6530e2fedec9ebd102c242f8ecaaed3bb9c97c8", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/field.rs:575:49 [INFO] [stdout] | [INFO] [stdout] 575 | enum StructField { Storage, Dimensions }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/field.rs:552:5 [INFO] [stdout] | [INFO] [stdout] 552 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove this attribute [INFO] [stdout] | [INFO] [stdout] note: attribute also specified here [INFO] [stdout] --> src/field.rs:547:5 [INFO] [stdout] | [INFO] [stdout] 547 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:433:21 [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:438:25 [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling sweeper v1.0.0-rc3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/field.rs:575:49 [INFO] [stdout] | [INFO] [stdout] 575 | enum StructField { Storage, Dimensions }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused attribute [INFO] [stdout] --> src/field.rs:552:5 [INFO] [stdout] | [INFO] [stdout] 552 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove this attribute [INFO] [stdout] | [INFO] [stdout] note: attribute also specified here [INFO] [stdout] --> src/field.rs:547:5 [INFO] [stdout] | [INFO] [stdout] 547 | #[inline(always)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:433:21 [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 433 | pub fn clearing(&self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/field.rs:438:25 [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 438 | pub fn clearing_mut(&mut self, anchor_location: FieldCoordinates) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s [INFO] running `Command { std: "docker" "inspect" "800fe0e27cf4cbb6a2bb92c8f6530e2fedec9ebd102c242f8ecaaed3bb9c97c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "800fe0e27cf4cbb6a2bb92c8f6530e2fedec9ebd102c242f8ecaaed3bb9c97c8", kill_on_drop: false }` [INFO] [stdout] 800fe0e27cf4cbb6a2bb92c8f6530e2fedec9ebd102c242f8ecaaed3bb9c97c8