[INFO] fetching crate serde_single_or_vec 1.0.1...
[INFO] testing serde_single_or_vec-1.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate serde_single_or_vec 1.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate serde_single_or_vec 1.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_single_or_vec 1.0.1
[INFO] finished tweaking crates.io crate serde_single_or_vec 1.0.1
[INFO] tweaked toml for crates.io crate serde_single_or_vec 1.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af5921489d633ee268038d8edfdebb3a85b69a0dd70fdc8b42cc7a6e76fcd74
[INFO] running `Command { std: "docker" "start" "-a" "0af5921489d633ee268038d8edfdebb3a85b69a0dd70fdc8b42cc7a6e76fcd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af5921489d633ee268038d8edfdebb3a85b69a0dd70fdc8b42cc7a6e76fcd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af5921489d633ee268038d8edfdebb3a85b69a0dd70fdc8b42cc7a6e76fcd74", kill_on_drop: false }`
[INFO] [stdout] 0af5921489d633ee268038d8edfdebb3a85b69a0dd70fdc8b42cc7a6e76fcd74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e62180fd9c986e5b1b112858645c7fee26db6be344a53eccddd4ce6e286582cc
[INFO] running `Command { std: "docker" "start" "-a" "e62180fd9c986e5b1b112858645c7fee26db6be344a53eccddd4ce6e286582cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde_single_or_vec v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `private` in `serde`
[INFO] [stdout]    --> src/lib.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     private::de::{Content, ContentRefDeserializer},
[INFO] [stdout]     |     ^^^^^^^ could not find `private` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]    --> src/lib.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unaligned_references,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_single_or_vec` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e62180fd9c986e5b1b112858645c7fee26db6be344a53eccddd4ce6e286582cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62180fd9c986e5b1b112858645c7fee26db6be344a53eccddd4ce6e286582cc", kill_on_drop: false }`
[INFO] [stdout] e62180fd9c986e5b1b112858645c7fee26db6be344a53eccddd4ce6e286582cc
[INFO] testing serde_single_or_vec-1.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate serde_single_or_vec 1.0.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate serde_single_or_vec 1.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_single_or_vec 1.0.1
[INFO] finished tweaking crates.io crate serde_single_or_vec 1.0.1
[INFO] tweaked toml for crates.io crate serde_single_or_vec 1.0.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19cbeddd2ed9b04ecfe509ed63f49bd35fea19f958848e4fd37e062a17f79af
[INFO] running `Command { std: "docker" "start" "-a" "d19cbeddd2ed9b04ecfe509ed63f49bd35fea19f958848e4fd37e062a17f79af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19cbeddd2ed9b04ecfe509ed63f49bd35fea19f958848e4fd37e062a17f79af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19cbeddd2ed9b04ecfe509ed63f49bd35fea19f958848e4fd37e062a17f79af", kill_on_drop: false }`
[INFO] [stdout] d19cbeddd2ed9b04ecfe509ed63f49bd35fea19f958848e4fd37e062a17f79af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d30a8dd1957bc84e6d9079467757be0fb542d73b268e0cc65de3486ba4a8af55
[INFO] running `Command { std: "docker" "start" "-a" "d30a8dd1957bc84e6d9079467757be0fb542d73b268e0cc65de3486ba4a8af55", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]    Compiling serde_single_or_vec v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `private` in `serde`
[INFO] [stdout]    --> src/lib.rs:183:5
[INFO] [stdout]     |
[INFO] [stdout] 183 |     private::de::{Content, ContentRefDeserializer},
[INFO] [stdout]     |     ^^^^^^^ could not find `private` in `serde`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unaligned_references` has been removed: converted into hard error, see issue #82523 <https://github.com/rust-lang/rust/issues/82523> for more information
[INFO] [stdout]    --> src/lib.rs:150:5
[INFO] [stdout]     |
[INFO] [stdout] 150 |     unaligned_references,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_single_or_vec` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d30a8dd1957bc84e6d9079467757be0fb542d73b268e0cc65de3486ba4a8af55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30a8dd1957bc84e6d9079467757be0fb542d73b268e0cc65de3486ba4a8af55", kill_on_drop: false }`
[INFO] [stdout] d30a8dd1957bc84e6d9079467757be0fb542d73b268e0cc65de3486ba4a8af55
