[INFO] cloning repository https://github.com/Soto-J/embedded-database
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Soto-J/embedded-database" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoto-J%2Fembedded-database", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoto-J%2Fembedded-database'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c05fbe1d8f601c2f3c885c868dc28c79393c60f
[INFO] testing Soto-J/embedded-database against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoto-J%2Fembedded-database" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Soto-J/embedded-database
[INFO] finished tweaking git repo https://github.com/Soto-J/embedded-database
[INFO] tweaked toml for git repo https://github.com/Soto-J/embedded-database written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Soto-J/embedded-database on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Soto-J/embedded-database already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-json-core v0.6.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] [stderr]   Downloaded cobs v0.3.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.1
[INFO] [stderr]   Downloaded smallnum v0.4.1
[INFO] [stderr]   Downloaded const-default v1.0.0
[INFO] [stderr]   Downloaded embedded-alloc v0.6.0
[INFO] [stderr]   Downloaded unty v0.0.4
[INFO] [stderr]   Downloaded virtue v0.0.18
[INFO] [stderr]   Downloaded bincode v2.0.1
[INFO] [stderr]   Downloaded heapless v0.9.2
[INFO] [stderr]   Downloaded rlsf v0.2.1
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded scapegoat v2.3.0
[INFO] [stderr]   Downloaded micromath v2.1.0
[INFO] [stderr]   Downloaded svgbobdoc v0.3.0
[INFO] [stderr]   Downloaded postcard v1.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b10494509a7e2ef8be117d1aceb23630c14a7764a899513f1eeeca9f23a26fd
[INFO] running `Command { std: "docker" "start" "-a" "1b10494509a7e2ef8be117d1aceb23630c14a7764a899513f1eeeca9f23a26fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b10494509a7e2ef8be117d1aceb23630c14a7764a899513f1eeeca9f23a26fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b10494509a7e2ef8be117d1aceb23630c14a7764a899513f1eeeca9f23a26fd", kill_on_drop: false }`
[INFO] [stdout] 1b10494509a7e2ef8be117d1aceb23630c14a7764a899513f1eeeca9f23a26fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af42668af9fabef80c8b080d2f0661a1a355ebaa9cacff711eb76f5ca1897d05
[INFO] running `Command { std: "docker" "start" "-a" "af42668af9fabef80c8b080d2f0661a1a355ebaa9cacff711eb76f5ca1897d05", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling heapless v0.9.2
[INFO] [stderr]    Compiling virtue v0.0.18
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling const-default v1.0.0
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling micromath v2.1.0
[INFO] [stderr]    Compiling linked_list_allocator v0.10.5
[INFO] [stderr]    Compiling tinyvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling unty v0.0.4
[INFO] [stderr]    Compiling smallnum v0.4.1
[INFO] [stderr]    Compiling bincode_derive v2.0.1
[INFO] [stderr]    Compiling scapegoat v2.3.0
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling svgbobdoc v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling rlsf v0.2.1
[INFO] [stderr]    Compiling embedded-alloc v0.6.0
[INFO] [stdout] error: serde_json requires that either `std` (default) or `alloc` feature is enabled
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.145/src/lib.rs:373:1
[INFO] [stdout]     |
[INFO] [stdout] 373 | / compile_error! {
[INFO] [stdout] 374 | |     "serde_json requires that either `std` (default) or `alloc` feature is enabled"
[INFO] [stdout] 375 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cobs v0.3.0
[INFO] [stderr] error: could not compile `serde_json` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "af42668af9fabef80c8b080d2f0661a1a355ebaa9cacff711eb76f5ca1897d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af42668af9fabef80c8b080d2f0661a1a355ebaa9cacff711eb76f5ca1897d05", kill_on_drop: false }`
[INFO] [stdout] af42668af9fabef80c8b080d2f0661a1a355ebaa9cacff711eb76f5ca1897d05