[INFO] fetching crate rudac 0.8.3... [INFO] checking rudac-0.8.3 against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] extracting crate rudac 0.8.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate rudac 0.8.3 on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rudac 0.8.3 [INFO] finished tweaking crates.io crate rudac 0.8.3 [INFO] tweaked toml for crates.io crate rudac 0.8.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "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" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 39dd71cde5b6a9b2466099b489dce9d7924a2b510e982606469bc9fd6122c0b1 [INFO] running `Command { std: "docker" "start" "-a" "39dd71cde5b6a9b2466099b489dce9d7924a2b510e982606469bc9fd6122c0b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39dd71cde5b6a9b2466099b489dce9d7924a2b510e982606469bc9fd6122c0b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39dd71cde5b6a9b2466099b489dce9d7924a2b510e982606469bc9fd6122c0b1", kill_on_drop: false }` [INFO] [stdout] 39dd71cde5b6a9b2466099b489dce9d7924a2b510e982606469bc9fd6122c0b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 55094e1aab66f2567e2efa02b7a86069008634b9babc06d16fd48e5bd18454d7 [INFO] running `Command { std: "docker" "start" "-a" "55094e1aab66f2567e2efa02b7a86069008634b9babc06d16fd48e5bd18454d7", kill_on_drop: false }` [INFO] [stderr] Checking rudac v0.8.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/tree/interval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:46 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/find/kth.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/transform/partition.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/sort/merge.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/binary.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/linear.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/exponential.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/fibonacci.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/tree/interval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:46 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/find/kth.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/transform/partition.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/sort/merge.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/binary.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/linear.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/exponential.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/fibonacci.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/94b72d6bebbddb5d17860914c4544f37365e988c/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/queue/circular.rs:566:9 [INFO] [stdout] | [INFO] [stdout] 566 | &vc[0]; [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 566 | let _ = &vc[0]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/queue/circular.rs:574:9 [INFO] [stdout] | [INFO] [stdout] 574 | &vc[0]; [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 574 | let _ = &vc[0]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/queue/circular.rs:584:9 [INFO] [stdout] | [INFO] [stdout] 584 | &vc[1]; [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 584 | let _ = &vc[1]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/queue/circular.rs:596:9 [INFO] [stdout] | [INFO] [stdout] 596 | &vc[3]; [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 596 | let _ = &vc[3]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/queue/circular.rs:609:9 [INFO] [stdout] | [INFO] [stdout] 609 | &vc[3]; [INFO] [stdout] | ^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 609 | let _ = &vc[3]; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "55094e1aab66f2567e2efa02b7a86069008634b9babc06d16fd48e5bd18454d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55094e1aab66f2567e2efa02b7a86069008634b9babc06d16fd48e5bd18454d7", kill_on_drop: false }` [INFO] [stdout] 55094e1aab66f2567e2efa02b7a86069008634b9babc06d16fd48e5bd18454d7 [INFO] checking rudac-0.8.3 against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789 [INFO] extracting crate rudac 0.8.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate rudac 0.8.3 on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rudac 0.8.3 [INFO] finished tweaking crates.io crate rudac 0.8.3 [INFO] tweaked toml for crates.io crate rudac 0.8.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "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" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c1a5e0568c0868b8365066fa9af463a9a7a17b4ece245177ddae961b9985498b [INFO] running `Command { std: "docker" "start" "-a" "c1a5e0568c0868b8365066fa9af463a9a7a17b4ece245177ddae961b9985498b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c1a5e0568c0868b8365066fa9af463a9a7a17b4ece245177ddae961b9985498b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1a5e0568c0868b8365066fa9af463a9a7a17b4ece245177ddae961b9985498b", kill_on_drop: false }` [INFO] [stdout] c1a5e0568c0868b8365066fa9af463a9a7a17b4ece245177ddae961b9985498b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a73948cf9d1d4789f5a4ea38097b23ef2ea30fab963d2890ba7959839b95ec61 [INFO] running `Command { std: "docker" "start" "-a" "a73948cf9d1d4789f5a4ea38097b23ef2ea30fab963d2890ba7959839b95ec61", kill_on_drop: false }` [INFO] [stderr] Checking rudac v0.8.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/tree/interval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:46 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/find/kth.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/transform/partition.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/sort/merge.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/binary.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/linear.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/exponential.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/fibonacci.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/tree/interval.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::Ord; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Eq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Eq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialEq` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:35 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialEq` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `PartialOrd` is imported redundantly [INFO] [stdout] --> src/util/interval.rs:1:46 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Eq, Ord, Ordering, PartialEq, PartialOrd}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `PartialOrd` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/find/kth.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/transform/partition.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/sort/merge.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/binary.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/linear.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/exponential.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ord` is imported redundantly [INFO] [stdout] --> src/algo/search/fibonacci.rs:1:16 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::{Ord, Ordering}; [INFO] [stdout] | ^^^ [INFO] [stdout] --> /rustc/cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc/library/std/src/prelude/mod.rs:115:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Ord` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/heap/binomial.rs:269:20 [INFO] [stdout] | [INFO] [stdout] 269 | return &None; [INFO] [stdout] | ^---- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rudac` (lib) due to 2 previous errors; 12 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/heap/binomial.rs:269:20 [INFO] [stdout] | [INFO] [stdout] 269 | return &None; [INFO] [stdout] | ^---- [INFO] [stdout] | || [INFO] [stdout] | |temporary value created here [INFO] [stdout] | returns a reference to data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rudac` (lib test) due to 2 previous errors; 12 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a73948cf9d1d4789f5a4ea38097b23ef2ea30fab963d2890ba7959839b95ec61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a73948cf9d1d4789f5a4ea38097b23ef2ea30fab963d2890ba7959839b95ec61", kill_on_drop: false }` [INFO] [stdout] a73948cf9d1d4789f5a4ea38097b23ef2ea30fab963d2890ba7959839b95ec61