[INFO] fetching crate n_gram 0.1.12...
[INFO] testing n_gram-0.1.12 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate n_gram 0.1.12 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate n_gram 0.1.12
[INFO] finished tweaking crates.io crate n_gram 0.1.12
[INFO] tweaked toml for crates.io crate n_gram 0.1.12 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate n_gram 0.1.12 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 n_gram 0.1.12 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] 415213479fb45f792b498dd1b9d8df3da46a17f7e7c86230c34c1129a8c5724f
[INFO] running `Command { std: "docker" "start" "-a" "415213479fb45f792b498dd1b9d8df3da46a17f7e7c86230c34c1129a8c5724f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415213479fb45f792b498dd1b9d8df3da46a17f7e7c86230c34c1129a8c5724f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415213479fb45f792b498dd1b9d8df3da46a17f7e7c86230c34c1129a8c5724f", kill_on_drop: false }`
[INFO] [stdout] 415213479fb45f792b498dd1b9d8df3da46a17f7e7c86230c34c1129a8c5724f
[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] 79b377bed4c711a4e19df5511f51976bc5a7c6627f6aabd754403c65c41cdb6c
[INFO] running `Command { std: "docker" "start" "-a" "79b377bed4c711a4e19df5511f51976bc5a7c6627f6aabd754403c65c41cdb6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.50
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling n_gram v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.19s
[INFO] running `Command { std: "docker" "inspect" "79b377bed4c711a4e19df5511f51976bc5a7c6627f6aabd754403c65c41cdb6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b377bed4c711a4e19df5511f51976bc5a7c6627f6aabd754403c65c41cdb6c", kill_on_drop: false }`
[INFO] [stdout] 79b377bed4c711a4e19df5511f51976bc5a7c6627f6aabd754403c65c41cdb6c
[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] 53508cdf31b7506c8c2b714747473f12dd089010ebb61fa1084ed68491df4768
[INFO] running `Command { std: "docker" "start" "-a" "53508cdf31b7506c8c2b714747473f12dd089010ebb61fa1084ed68491df4768", kill_on_drop: false }`
[INFO] [stderr]    Compiling n_gram v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `n_gram` (example "basic") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0425]: cannot find function `tiny_corpus` in this scope
[INFO] [stdout]  --> examples/basic.rs:9:22
[INFO] [stdout]   |
[INFO] [stdout] 9 |         let corpus = tiny_corpus()
[INFO] [stdout]   |                      ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> examples/basic.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 .map(|t| sos(eos(tokenize(t.to_owned()))))
[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] 11 |                 .map(|t: /* Type */| sos(eos(tokenize(t.to_owned()))))
[INFO] [stdout]    |                        ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0425.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53508cdf31b7506c8c2b714747473f12dd089010ebb61fa1084ed68491df4768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53508cdf31b7506c8c2b714747473f12dd089010ebb61fa1084ed68491df4768", kill_on_drop: false }`
[INFO] [stdout] 53508cdf31b7506c8c2b714747473f12dd089010ebb61fa1084ed68491df4768