[INFO] fetching crate range_union_find 0.5.0... [INFO] checking range_union_find-0.5.0 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] extracting crate range_union_find 0.5.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate range_union_find 0.5.0 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate range_union_find 0.5.0 [INFO] finished tweaking crates.io crate range_union_find 0.5.0 [INFO] tweaked toml for crates.io crate range_union_find 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e622ac9e2d4735147a52cbcb90793bfe626b5bed39b921b5b4639a2773d029f4 [INFO] running `Command { std: "docker" "start" "-a" "e622ac9e2d4735147a52cbcb90793bfe626b5bed39b921b5b4639a2773d029f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e622ac9e2d4735147a52cbcb90793bfe626b5bed39b921b5b4639a2773d029f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e622ac9e2d4735147a52cbcb90793bfe626b5bed39b921b5b4639a2773d029f4", kill_on_drop: false }` [INFO] [stdout] e622ac9e2d4735147a52cbcb90793bfe626b5bed39b921b5b4639a2773d029f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fbb46ab02c0ed6b48df1ea8c2cfdd49f743d002c9702fafa856358f31791bc82 [INFO] running `Command { std: "docker" "start" "-a" "fbb46ab02c0ed6b48df1ea8c2cfdd49f743d002c9702fafa856358f31791bc82", kill_on_drop: false }` [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Compiling semver v1.0.18 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking sorted-vec v0.8.2 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking quote v1.0.33 [INFO] [stderr] Checking syn v2.0.37 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking range_union_find v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Num` [INFO] [stdout] --> src/num_trait.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use num_traits::{PrimInt, Num}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking version-sync v0.9.5 [INFO] [stdout] warning: unused import: `Num` [INFO] [stdout] --> src/num_trait.rs:1:27 [INFO] [stdout] | [INFO] [stdout] 1 | use num_traits::{PrimInt, Num}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:1019:69 [INFO] [stdout] | [INFO] [stdout] 1019 | let minus_three_result = range_obj.find_range_with_element(&NonNanFloat::new(-3.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 1020 | if let Err(minus_one_err) = minus_three_result { [INFO] [stdout] | ------------------ borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 1019 ~ let binding = NonNanFloat::new(-3.0); [INFO] [stdout] 1020 ~ let minus_three_result = range_obj.find_range_with_element(&binding); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:1026:61 [INFO] [stdout] | [INFO] [stdout] 1026 | let two_result = range_obj.find_range_with_element(&NonNanFloat::new(2.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 1027 | if let Ok(two_ok) = two_result { [INFO] [stdout] | ---------- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 1026 ~ let binding = NonNanFloat::new(2.0); [INFO] [stdout] 1027 ~ let two_result = range_obj.find_range_with_element(&binding); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:1033:62 [INFO] [stdout] | [INFO] [stdout] 1033 | let nine_result = range_obj.find_range_with_element(&NonNanFloat::new(9.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 1034 | if let Err(nine_err) = nine_result { [INFO] [stdout] | ----------- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 1033 ~ let binding = NonNanFloat::new(9.0); [INFO] [stdout] 1034 ~ let nine_result = range_obj.find_range_with_element(&binding); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0716]: temporary value dropped while borrowed [INFO] [stdout] --> src/lib.rs:1040:64 [INFO] [stdout] | [INFO] [stdout] 1040 | let twenty_result = range_obj.find_range_with_element(&NonNanFloat::new(20.0)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ - temporary value is freed at the end of this statement [INFO] [stdout] | | [INFO] [stdout] | creates a temporary value which is freed while still in use [INFO] [stdout] 1041 | if let Err(twenty_err) = twenty_result { [INFO] [stdout] | ------------- borrow later used here [INFO] [stdout] | [INFO] [stdout] help: consider using a `let` binding to create a longer lived value [INFO] [stdout] | [INFO] [stdout] 1040 ~ let binding = NonNanFloat::new(20.0); [INFO] [stdout] 1041 ~ let twenty_result = range_obj.find_range_with_element(&binding); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0716`. [INFO] [stdout] [INFO] [stderr] error: could not compile `range_union_find` (lib test) due to 5 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "fbb46ab02c0ed6b48df1ea8c2cfdd49f743d002c9702fafa856358f31791bc82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fbb46ab02c0ed6b48df1ea8c2cfdd49f743d002c9702fafa856358f31791bc82", kill_on_drop: false }` [INFO] [stdout] fbb46ab02c0ed6b48df1ea8c2cfdd49f743d002c9702fafa856358f31791bc82