[INFO] fetching crate tifiles 0.2.0...
[INFO] testing tifiles-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate tifiles 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tifiles 0.2.0
[INFO] finished tweaking crates.io crate tifiles 0.2.0
[INFO] tweaked toml for crates.io crate tifiles 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tifiles 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.5)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding zip v0.6.6 (available: v6.0.0)
[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] 1359cf019a0a256b38002ab1ea0e0e06ae1dff0ef1f9cf836449987587dc564b
[INFO] running `Command { std: "docker" "start" "-a" "1359cf019a0a256b38002ab1ea0e0e06ae1dff0ef1f9cf836449987587dc564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1359cf019a0a256b38002ab1ea0e0e06ae1dff0ef1f9cf836449987587dc564b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1359cf019a0a256b38002ab1ea0e0e06ae1dff0ef1f9cf836449987587dc564b", kill_on_drop: false }`
[INFO] [stdout] 1359cf019a0a256b38002ab1ea0e0e06ae1dff0ef1f9cf836449987587dc564b
[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] b9a37f74a912b81490385d77fd196a2cb1d966f1da76946bf18107d4ff0b4456
[INFO] running `Command { std: "docker" "start" "-a" "b9a37f74a912b81490385d77fd196a2cb1d966f1da76946bf18107d4ff0b4456", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling zip v0.6.6
[INFO] [stderr]    Compiling indexmap v2.12.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling num_enum v0.5.11
[INFO] [stderr]    Compiling tifiles v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/bundle.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::{Cursor, Read, Result as IoResult, Seek, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.25s
[INFO] running `Command { std: "docker" "inspect" "b9a37f74a912b81490385d77fd196a2cb1d966f1da76946bf18107d4ff0b4456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a37f74a912b81490385d77fd196a2cb1d966f1da76946bf18107d4ff0b4456", kill_on_drop: false }`
[INFO] [stdout] b9a37f74a912b81490385d77fd196a2cb1d966f1da76946bf18107d4ff0b4456
[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] ba0a90a800571d00fd81fc577323d428d36aba9edee2fe72362248d9f1867c3b
[INFO] running `Command { std: "docker" "start" "-a" "ba0a90a800571d00fd81fc577323d428d36aba9edee2fe72362248d9f1867c3b", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]   --> src/bundle.rs:47:23
[INFO] [stdout]    |
[INFO] [stdout] 47 | use std::io::{Cursor, Read, Result as IoResult, Seek, Write};
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tifiles v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "ba0a90a800571d00fd81fc577323d428d36aba9edee2fe72362248d9f1867c3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0a90a800571d00fd81fc577323d428d36aba9edee2fe72362248d9f1867c3b", kill_on_drop: false }`
[INFO] [stdout] ba0a90a800571d00fd81fc577323d428d36aba9edee2fe72362248d9f1867c3b
[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] 4899a8474d5cc69db2f5089ceb93e22933eaa62e0169df3823748d9f8f92ac93
[INFO] running `Command { std: "docker" "start" "-a" "4899a8474d5cc69db2f5089ceb93e22933eaa62e0169df3823748d9f8f92ac93", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]   --> src/bundle.rs:47:23
[INFO] [stderr]    |
[INFO] [stderr] 47 | use std::io::{Cursor, Read, Result as IoResult, Seek, Write};
[INFO] [stderr]    |                       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tifiles` (lib) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tifiles-084ef52124727894)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test read::reads_empty_appvar ... ok
[INFO] [stdout] test bundle::crc_matches_metafile ... ok
[INFO] [stdout] test round_trip_is_lossless ... ok
[INFO] [stdout] test write::empty_program_is_correct ... ok
[INFO] [stdout] test write::checksum_writer_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tifiles
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/bundle.rs - bundle (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4899a8474d5cc69db2f5089ceb93e22933eaa62e0169df3823748d9f8f92ac93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4899a8474d5cc69db2f5089ceb93e22933eaa62e0169df3823748d9f8f92ac93", kill_on_drop: false }`
[INFO] [stdout] 4899a8474d5cc69db2f5089ceb93e22933eaa62e0169df3823748d9f8f92ac93