[INFO] fetching crate stackstring 0.3.1...
[INFO] testing stackstring-0.3.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate stackstring 0.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate stackstring 0.3.1
[INFO] finished tweaking crates.io crate stackstring 0.3.1
[INFO] tweaked toml for crates.io crate stackstring 0.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackstring 0.3.1 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] crate crates.io crate stackstring 0.3.1 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-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1de16c3f11063e615acd04f1dfc0f45f9dc9b973ee29a899da51ad9688192e0
[INFO] running `Command { std: "docker" "start" "-a" "d1de16c3f11063e615acd04f1dfc0f45f9dc9b973ee29a899da51ad9688192e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1de16c3f11063e615acd04f1dfc0f45f9dc9b973ee29a899da51ad9688192e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1de16c3f11063e615acd04f1dfc0f45f9dc9b973ee29a899da51ad9688192e0", kill_on_drop: false }`
[INFO] [stdout] d1de16c3f11063e615acd04f1dfc0f45f9dc9b973ee29a899da51ad9688192e0
[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=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] 6731505c1c81a3379691963b04704f404080c3af5446b41a4159da82fde4d378
[INFO] running `Command { std: "docker" "start" "-a" "6731505c1c81a3379691963b04704f404080c3af5446b41a4159da82fde4d378", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackstring v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "6731505c1c81a3379691963b04704f404080c3af5446b41a4159da82fde4d378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6731505c1c81a3379691963b04704f404080c3af5446b41a4159da82fde4d378", kill_on_drop: false }`
[INFO] [stdout] 6731505c1c81a3379691963b04704f404080c3af5446b41a4159da82fde4d378
[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=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] 58fb34225327b1accc4b1733e51a6647919c2cf8bf7e6e0275f93cb80bd0d919
[INFO] running `Command { std: "docker" "start" "-a" "58fb34225327b1accc4b1733e51a6647919c2cf8bf7e6e0275f93cb80bd0d919", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling serde_json v1.0.89
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling stackstring v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rkyv`
[INFO] [stdout]  --> examples/rkyv.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rkyv::{
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rkyv`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file examples/rkyv.rs, use `mod rkyv` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 1 + mod rkyv;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rkyv`
[INFO] [stdout]  --> examples/rkyv.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use rkyv::{
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rkyv`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file examples/rkyv.rs, use `mod rkyv` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 1 + mod rkyv;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackstring` (example "rkyv") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "58fb34225327b1accc4b1733e51a6647919c2cf8bf7e6e0275f93cb80bd0d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fb34225327b1accc4b1733e51a6647919c2cf8bf7e6e0275f93cb80bd0d919", kill_on_drop: false }`
[INFO] [stdout] 58fb34225327b1accc4b1733e51a6647919c2cf8bf7e6e0275f93cb80bd0d919