[INFO] fetching crate wyrd 0.1.0... [INFO] checking wyrd-0.1.0 against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] extracting crate wyrd 0.1.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate wyrd 0.1.0 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 wyrd 0.1.0 [INFO] finished tweaking crates.io crate wyrd 0.1.0 [INFO] tweaked toml for crates.io crate wyrd 0.1.0 written to /workspace/builds/worker-5-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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4af352c8cde56c6685de8445f5de7b74028cef0c58b9aa2a5359b07277d25a3e [INFO] running `Command { std: "docker" "start" "-a" "4af352c8cde56c6685de8445f5de7b74028cef0c58b9aa2a5359b07277d25a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4af352c8cde56c6685de8445f5de7b74028cef0c58b9aa2a5359b07277d25a3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4af352c8cde56c6685de8445f5de7b74028cef0c58b9aa2a5359b07277d25a3e", kill_on_drop: false }` [INFO] [stdout] 4af352c8cde56c6685de8445f5de7b74028cef0c58b9aa2a5359b07277d25a3e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] df2fd9be939f72df9bb2a29e957c885b361f1ab60dd800d62a7f62d90459fef6 [INFO] running `Command { std: "docker" "start" "-a" "df2fd9be939f72df9bb2a29e957c885b361f1ab60dd800d62a7f62d90459fef6", kill_on_drop: false }` [INFO] [stderr] Checking wyrd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `builder` is never read [INFO] [stdout] --> src/lib.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 60 | pub struct BuiltEntity { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 61 | pub(crate) builder: EntityBuilder, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `builder` is never read [INFO] [stdout] --> src/lib.rs:61:16 [INFO] [stdout] | [INFO] [stdout] 60 | pub struct BuiltEntity { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 61 | pub(crate) builder: EntityBuilder, [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "df2fd9be939f72df9bb2a29e957c885b361f1ab60dd800d62a7f62d90459fef6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df2fd9be939f72df9bb2a29e957c885b361f1ab60dd800d62a7f62d90459fef6", kill_on_drop: false }` [INFO] [stdout] df2fd9be939f72df9bb2a29e957c885b361f1ab60dd800d62a7f62d90459fef6 [INFO] checking wyrd-0.1.0 against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789 [INFO] extracting crate wyrd 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate wyrd 0.1.0 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 wyrd 0.1.0 [INFO] finished tweaking crates.io crate wyrd 0.1.0 [INFO] tweaked toml for crates.io crate wyrd 0.1.0 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" "+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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10a252d00861408c9402c9beb909afaaf4a1b87a86e57ed527b83d4b91c38706 [INFO] running `Command { std: "docker" "start" "-a" "10a252d00861408c9402c9beb909afaaf4a1b87a86e57ed527b83d4b91c38706", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10a252d00861408c9402c9beb909afaaf4a1b87a86e57ed527b83d4b91c38706", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10a252d00861408c9402c9beb909afaaf4a1b87a86e57ed527b83d4b91c38706", kill_on_drop: false }` [INFO] [stdout] 10a252d00861408c9402c9beb909afaaf4a1b87a86e57ed527b83d4b91c38706 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75200647b8bc56927e74ad32c30e14a70b7adc209e5299ac2e78003282121744 [INFO] running `Command { std: "docker" "start" "-a" "75200647b8bc56927e74ad32c30e14a70b7adc209e5299ac2e78003282121744", kill_on_drop: false }` [INFO] [stderr] Checking wyrd v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | &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[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:85:25 [INFO] [stdout] | [INFO] [stdout] 85 | &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[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | &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[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:88:21 [INFO] [stdout] | [INFO] [stdout] 88 | &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[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | &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[E0515]: cannot return reference to temporary value [INFO] [stdout] --> src/lib.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | &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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `wyrd` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `wyrd` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "75200647b8bc56927e74ad32c30e14a70b7adc209e5299ac2e78003282121744", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75200647b8bc56927e74ad32c30e14a70b7adc209e5299ac2e78003282121744", kill_on_drop: false }` [INFO] [stdout] 75200647b8bc56927e74ad32c30e14a70b7adc209e5299ac2e78003282121744