[INFO] fetching crate rustutils-wc 0.1.0...
[INFO] testing rustutils-wc-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate rustutils-wc 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rustutils-wc 0.1.0
[INFO] finished tweaking crates.io crate rustutils-wc 0.1.0
[INFO] tweaked toml for crates.io crate rustutils-wc 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rustutils-wc 0.1.0 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 rustutils-wc 0.1.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9584832aa59f08847e9eb99dee07857d93b048fc94540ddb18823f3a1ad981ec
[INFO] running `Command { std: "docker" "start" "-a" "9584832aa59f08847e9eb99dee07857d93b048fc94540ddb18823f3a1ad981ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9584832aa59f08847e9eb99dee07857d93b048fc94540ddb18823f3a1ad981ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9584832aa59f08847e9eb99dee07857d93b048fc94540ddb18823f3a1ad981ec", kill_on_drop: false }`
[INFO] [stdout] 9584832aa59f08847e9eb99dee07857d93b048fc94540ddb18823f3a1ad981ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 980b8f10b7abdfad28443d9147f4d588e45bb6c02f448639d190446256714361
[INFO] running `Command { std: "docker" "start" "-a" "980b8f10b7abdfad28443d9147f4d588e45bb6c02f448639d190446256714361", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.2
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling os_str_bytes v6.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling once_cell v1.13.0
[INFO] [stderr]    Compiling rustutils-runnable v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]    Compiling clap v3.2.12
[INFO] [stderr]    Compiling rustutils-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `chars` is never read
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct WordCount {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 84 |     bytes: u64,
[INFO] [stdout] 85 |     chars: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordCount` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.81s
[INFO] running `Command { std: "docker" "inspect" "980b8f10b7abdfad28443d9147f4d588e45bb6c02f448639d190446256714361", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "980b8f10b7abdfad28443d9147f4d588e45bb6c02f448639d190446256714361", kill_on_drop: false }`
[INFO] [stdout] 980b8f10b7abdfad28443d9147f4d588e45bb6c02f448639d190446256714361
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0242b2d80709103822f76402da4e0f0c33733b12c7923ca727db7b7532cd4ae2
[INFO] running `Command { std: "docker" "start" "-a" "0242b2d80709103822f76402da4e0f0c33733b12c7923ca727db7b7532cd4ae2", kill_on_drop: false }`
[INFO] [stdout] warning: field `chars` is never read
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct WordCount {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 84 |     bytes: u64,
[INFO] [stdout] 85 |     chars: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordCount` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustutils-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `chars` is never read
[INFO] [stdout]   --> src/lib.rs:85:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct WordCount {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 84 |     bytes: u64,
[INFO] [stdout] 85 |     chars: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WordCount` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "0242b2d80709103822f76402da4e0f0c33733b12c7923ca727db7b7532cd4ae2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0242b2d80709103822f76402da4e0f0c33733b12c7923ca727db7b7532cd4ae2", kill_on_drop: false }`
[INFO] [stdout] 0242b2d80709103822f76402da4e0f0c33733b12c7923ca727db7b7532cd4ae2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 000a10bc2ac3d4e902e834ee59c8bf2664e3b3d23128093fbe0e1d3641ef4f2a
[INFO] running `Command { std: "docker" "start" "-a" "000a10bc2ac3d4e902e834ee59c8bf2664e3b3d23128093fbe0e1d3641ef4f2a", kill_on_drop: false }`
[INFO] [stderr] warning: field `chars` is never read
[INFO] [stderr]   --> src/lib.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub struct WordCount {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 84 |     bytes: u64,
[INFO] [stderr] 85 |     chars: u64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `WordCount` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustutils-wc` (lib) generated 1 warning
[INFO] [stderr] warning: `rustutils-wc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustutils_wc-89ca1af7557169e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustutils_wc-850dc82a7935a3c9)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustutils_wc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "000a10bc2ac3d4e902e834ee59c8bf2664e3b3d23128093fbe0e1d3641ef4f2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000a10bc2ac3d4e902e834ee59c8bf2664e3b3d23128093fbe0e1d3641ef4f2a", kill_on_drop: false }`
[INFO] [stdout] 000a10bc2ac3d4e902e834ee59c8bf2664e3b3d23128093fbe0e1d3641ef4f2a