[INFO] fetching crate neon-serde4 1.0.0-1... [INFO] testing neon-serde4-1.0.0-1 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate neon-serde4 1.0.0-1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate neon-serde4 1.0.0-1 [INFO] finished tweaking crates.io crate neon-serde4 1.0.0-1 [INFO] tweaked toml for crates.io crate neon-serde4 1.0.0-1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate neon-serde4 1.0.0-1 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 567dd7b0408f58971854982e7e70b784f6f471ce553fbae73424055febeca95a [INFO] running `Command { std: "docker" "start" "-a" "567dd7b0408f58971854982e7e70b784f6f471ce553fbae73424055febeca95a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "567dd7b0408f58971854982e7e70b784f6f471ce553fbae73424055febeca95a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "567dd7b0408f58971854982e7e70b784f6f471ce553fbae73424055febeca95a", kill_on_drop: false }` [INFO] [stdout] 567dd7b0408f58971854982e7e70b784f6f471ce553fbae73424055febeca95a [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1174e5b26a67ab63de7ca751247483084dcb68fc4b61d8aca7b60e724975676f [INFO] running `Command { std: "docker" "start" "-a" "1174e5b26a67ab63de7ca751247483084dcb68fc4b61d8aca7b60e724975676f", kill_on_drop: false }` [INFO] [stderr] Compiling linkme-impl v0.3.35 [INFO] [stderr] Compiling linkme v0.3.35 [INFO] [stderr] Compiling send_wrapper v0.6.0 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling semver v1.0.27 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling neon-macros v1.1.1 [INFO] [stderr] Compiling neon v1.1.1 [INFO] [stderr] Compiling neon-serde4 v1.0.0-1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.31s [INFO] running `Command { std: "docker" "inspect" "1174e5b26a67ab63de7ca751247483084dcb68fc4b61d8aca7b60e724975676f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1174e5b26a67ab63de7ca751247483084dcb68fc4b61d8aca7b60e724975676f", kill_on_drop: false }` [INFO] [stdout] 1174e5b26a67ab63de7ca751247483084dcb68fc4b61d8aca7b60e724975676f [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea0a300271040d30a6a575236657d5bacd9df79831647dae22863c7cc7cb5ed0 [INFO] running `Command { std: "docker" "start" "-a" "ea0a300271040d30a6a575236657d5bacd9df79831647dae22863c7cc7cb5ed0", kill_on_drop: false }` [INFO] [stderr] Compiling neon-serde4 v1.0.0-1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "ea0a300271040d30a6a575236657d5bacd9df79831647dae22863c7cc7cb5ed0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea0a300271040d30a6a575236657d5bacd9df79831647dae22863c7cc7cb5ed0", kill_on_drop: false }` [INFO] [stdout] ea0a300271040d30a6a575236657d5bacd9df79831647dae22863c7cc7cb5ed0 [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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 54128744a314f784e2e362ec7434175aed5ffb512f674c34cf1bec925235e087 [INFO] running `Command { std: "docker" "start" "-a" "54128744a314f784e2e362ec7434175aed5ffb512f674c34cf1bec925235e087", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/neon_serde4-2472d5c2b1eca6fd) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::test_it_compiles_2 ... ok [INFO] [stdout] test tests::test_it_compiles ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests neon_serde4 [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 31) - compile ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 31) stdout ---- [INFO] [stdout] error[E0432]: unresolved import `neon_serde2` [INFO] [stdout] --> src/lib.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 5 | use neon_serde2 as neon_serde; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ no external crate `neon_serde2` [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `Serialize` in this scope [INFO] [stdout] --> src/lib.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Serialize, Debug, Deserialize)] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Serialize` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope [INFO] [stdout] --> src/lib.rs:39:28 [INFO] [stdout] | [INFO] [stdout] 9 | #[derive(Serialize, Debug, Deserialize)] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Deserialize` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:34:24 [INFO] [stdout] | [INFO] [stdout] 4 | use serde::{Serialize, Deserialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:50:19 [INFO] [stdout] | [INFO] [stdout] 20 | .or_else(|e| cx.throw_error(e.to_string())) [INFO] [stdout] | ^ - type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this closure parameter an explicit type [INFO] [stdout] | [INFO] [stdout] 20 | .or_else(|e: /* Type */| cx.throw_error(e.to_string())) [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 35 | .or_else(|e| cx.throw_error(e.to_string())) [INFO] [stdout] | ^ - type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving this closure parameter an explicit type [INFO] [stdout] | [INFO] [stdout] 35 | .or_else(|e: /* Type */| cx.throw_error(e.to_string())) [INFO] [stdout] | ++++++++++++ [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0432. [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 31) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "54128744a314f784e2e362ec7434175aed5ffb512f674c34cf1bec925235e087", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54128744a314f784e2e362ec7434175aed5ffb512f674c34cf1bec925235e087", kill_on_drop: false }` [INFO] [stdout] 54128744a314f784e2e362ec7434175aed5ffb512f674c34cf1bec925235e087