[INFO] fetching crate pyc 0.1.0...
[INFO] testing pyc-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate pyc 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pyc 0.1.0
[INFO] finished tweaking crates.io crate pyc 0.1.0
[INFO] tweaked toml for crates.io crate pyc 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pyc 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7af3fdd2b4879a650fe65b12d18add60ff81ec0ce03aeb281a046ec4ffd2d0d3
[INFO] running `Command { std: "docker" "start" "-a" "7af3fdd2b4879a650fe65b12d18add60ff81ec0ce03aeb281a046ec4ffd2d0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7af3fdd2b4879a650fe65b12d18add60ff81ec0ce03aeb281a046ec4ffd2d0d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7af3fdd2b4879a650fe65b12d18add60ff81ec0ce03aeb281a046ec4ffd2d0d3", kill_on_drop: false }`
[INFO] [stdout] 7af3fdd2b4879a650fe65b12d18add60ff81ec0ce03aeb281a046ec4ffd2d0d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e41d4b45b703d3e4f8f32d19a311024adc60f83a1320b21bf21c337a47979a6
[INFO] running `Command { std: "docker" "start" "-a" "3e41d4b45b703d3e4f8f32d19a311024adc60f83a1320b21bf21c337a47979a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling python_object v0.1.0
[INFO] [stderr]    Compiling pyc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `TYPE_UNKNOWN` is never used
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const TYPE_UNKNOWN: u8 = '?' as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[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 9.01s
[INFO] running `Command { std: "docker" "inspect" "3e41d4b45b703d3e4f8f32d19a311024adc60f83a1320b21bf21c337a47979a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e41d4b45b703d3e4f8f32d19a311024adc60f83a1320b21bf21c337a47979a6", kill_on_drop: false }`
[INFO] [stdout] 3e41d4b45b703d3e4f8f32d19a311024adc60f83a1320b21bf21c337a47979a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16037bef05a8054bcde45d8347985281c6c6c07a55547b39907d52c29e2d81b9
[INFO] running `Command { std: "docker" "start" "-a" "16037bef05a8054bcde45d8347985281c6c6c07a55547b39907d52c29e2d81b9", kill_on_drop: false }`
[INFO] [stdout] warning: constant `TYPE_UNKNOWN` is never used
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const TYPE_UNKNOWN: u8 = '?' as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pyc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `TYPE_UNKNOWN` is never used
[INFO] [stdout]   --> src/lib.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const TYPE_UNKNOWN: u8 = '?' as u8;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[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 0.35s
[INFO] running `Command { std: "docker" "inspect" "16037bef05a8054bcde45d8347985281c6c6c07a55547b39907d52c29e2d81b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16037bef05a8054bcde45d8347985281c6c6c07a55547b39907d52c29e2d81b9", kill_on_drop: false }`
[INFO] [stdout] 16037bef05a8054bcde45d8347985281c6c6c07a55547b39907d52c29e2d81b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 393afb51ab71cd70448c77d8c5456bdd40d72445b97827c6af35a81216ee4417
[INFO] running `Command { std: "docker" "start" "-a" "393afb51ab71cd70448c77d8c5456bdd40d72445b97827c6af35a81216ee4417", kill_on_drop: false }`
[INFO] [stderr] warning: constant `TYPE_UNKNOWN` is never used
[INFO] [stderr]   --> src/lib.rs:32:7
[INFO] [stderr]    |
[INFO] [stderr] 32 | const TYPE_UNKNOWN: u8 = '?' as u8;
[INFO] [stderr]    |       ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `pyc` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `pyc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pyc-108932abaecadd57)
[INFO] [stderr]    Doc-tests pyc
[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" "393afb51ab71cd70448c77d8c5456bdd40d72445b97827c6af35a81216ee4417", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393afb51ab71cd70448c77d8c5456bdd40d72445b97827c6af35a81216ee4417", kill_on_drop: false }`
[INFO] [stdout] 393afb51ab71cd70448c77d8c5456bdd40d72445b97827c6af35a81216ee4417