[INFO] fetching crate token-read 0.2.0...
[INFO] testing token-read-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate token-read 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate token-read 0.2.0
[INFO] finished tweaking crates.io crate token-read 0.2.0
[INFO] tweaked toml for crates.io crate token-read 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate token-read 0.2.0 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 token-read 0.2.0 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] c5d479c9d26d06b48feceb642960aa1864e1f58cc0cb660ba73db693b6083768
[INFO] running `Command { std: "docker" "start" "-a" "c5d479c9d26d06b48feceb642960aa1864e1f58cc0cb660ba73db693b6083768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5d479c9d26d06b48feceb642960aa1864e1f58cc0cb660ba73db693b6083768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d479c9d26d06b48feceb642960aa1864e1f58cc0cb660ba73db693b6083768", kill_on_drop: false }`
[INFO] [stdout] c5d479c9d26d06b48feceb642960aa1864e1f58cc0cb660ba73db693b6083768
[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] a3337b549e18b6d5fa7075e1b6401862014fef8bb83ca3d776886e1f9c4fa18f
[INFO] running `Command { std: "docker" "start" "-a" "a3337b549e18b6d5fa7075e1b6401862014fef8bb83ca3d776886e1f9c4fa18f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling token-read v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ParseError { source: E, line: String },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ParseError { source: E },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.13s
[INFO] running `Command { std: "docker" "inspect" "a3337b549e18b6d5fa7075e1b6401862014fef8bb83ca3d776886e1f9c4fa18f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3337b549e18b6d5fa7075e1b6401862014fef8bb83ca3d776886e1f9c4fa18f", kill_on_drop: false }`
[INFO] [stdout] a3337b549e18b6d5fa7075e1b6401862014fef8bb83ca3d776886e1f9c4fa18f
[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] 757d2ef32ccb9eb0022b6655ed708bfba5952ea763116f9306f2273f687c9248
[INFO] running `Command { std: "docker" "start" "-a" "757d2ef32ccb9eb0022b6655ed708bfba5952ea763116f9306f2273f687c9248", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ParseError { source: E, line: String },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ParseError { source: E },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling token-read v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:11:15
[INFO] [stdout]    |
[INFO] [stdout] 11 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |     ParseError { source: E, line: String },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:22:15
[INFO] [stdout]    |
[INFO] [stdout] 22 |     IoError { source: io::Error },
[INFO] [stdout]    |               ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]   --> src/error.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |     ParseError { source: E },
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "757d2ef32ccb9eb0022b6655ed708bfba5952ea763116f9306f2273f687c9248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757d2ef32ccb9eb0022b6655ed708bfba5952ea763116f9306f2273f687c9248", kill_on_drop: false }`
[INFO] [stdout] 757d2ef32ccb9eb0022b6655ed708bfba5952ea763116f9306f2273f687c9248
[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] 8da41b0db7ee6aa55446851b249c7df681f4a4235828e503f578d25836e7fe1a
[INFO] running `Command { std: "docker" "start" "-a" "8da41b0db7ee6aa55446851b249c7df681f4a4235828e503f578d25836e7fe1a", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     IoError { source: io::Error },
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |     ParseError { source: E, line: String },
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     IoError { source: io::Error },
[INFO] [stderr]    |               ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `source` is never read
[INFO] [stderr]   --> src/error.rs:36:18
[INFO] [stderr]    |
[INFO] [stderr] 36 |     ParseError { source: E },
[INFO] [stderr]    |                  ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `token-read` (lib) generated 4 warnings
[INFO] [stderr] warning: `token-read` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/token_read-0920e33d51645b7d)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test impls::array::tests::reads_array ... ok
[INFO] [stdout] test impls::array::tests::returns_error_on_too_few_elements ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_hash_set ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_linked_list ... ok
[INFO] [stdout] test impls::array::tests::returns_error_on_too_many_elements ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_binary_heap ... ok
[INFO] [stdout] test impls::tuple::tests::reads_empty_tuple ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_vec ... ok
[INFO] [stdout] test impls::tuple::tests::reads_single_value ... ok
[INFO] [stdout] test impls::tuple::tests::returns_error_on_too_few_elements ... ok
[INFO] [stdout] test impls::tuple::tests::reads_multiple_values ... ok
[INFO] [stdout] test reader::tests::can_be_constructed_from_read ... ok
[INFO] [stdout] test reader::tests::ignores_start_and_end ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_vec_deque ... ok
[INFO] [stdout] test impls::collections::tests::reads_into_btree_set ... ok
[INFO] [stdout] test impls::tuple::tests::returns_error_on_too_many_elements ... ok
[INFO] [stdout] test reader::tests::reads_empty_values ... ok
[INFO] [stdout] test reader::tests::can_be_constructed_with_from ... ok
[INFO] [stdout] test to_tokens::tests::splits_string_at_whitespace ... ok
[INFO] [stdout] test reader::tests::reads_single_value ... ok
[INFO] [stdout] test reader::tests::reads_raw_lines ... ok
[INFO] [stdout] test reader::tests::returns_parse_error ... ok
[INFO] [stdout] test reader::tests::reads_multiple_values ... ok
[INFO] [stdout] test reader::tests::can_be_constructed_from_bufread ... ok
[INFO] [stdout] test reader::tests::returns_end_of_file ... ok
[INFO] [stdout] test to_tokens::tests::parse_tokens_parses_tokens ... ok
[INFO] [stdout] test reader::tests::take_count_gets_multiple_lines ... ok
[INFO] [stdout] test reader::tests::take_gets_multiple_lines ... ok
[INFO] [stdout] test reader::tests::ignores_multiple_whitespace_characters ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests token_read
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 18) - compile ... ok
[INFO] [stdout] test src/reader.rs - reader::TokenReader<R>::take (line 97) ... ok
[INFO] [stdout] test src/reader.rs - reader::TokenReader<R>::line_raw (line 69) ... ok
[INFO] [stdout] test src/reader.rs - reader::TokenReader<R>::take_count (line 124) ... ok
[INFO] [stdout] test src/reader.rs - reader::TokenReader<R>::line (line 42) ... ok
[INFO] [stdout] test src/to_tokens.rs - to_tokens::ToTokens::parse_tokens (line 18) ... ok
[INFO] [stdout] test src/reader.rs - reader::TokenReader<R>::line (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8da41b0db7ee6aa55446851b249c7df681f4a4235828e503f578d25836e7fe1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da41b0db7ee6aa55446851b249c7df681f4a4235828e503f578d25836e7fe1a", kill_on_drop: false }`
[INFO] [stdout] 8da41b0db7ee6aa55446851b249c7df681f4a4235828e503f578d25836e7fe1a