[INFO] fetching crate test2020 0.1.0...
[INFO] testing test2020-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate test2020 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate test2020 0.1.0
[INFO] finished tweaking crates.io crate test2020 0.1.0
[INFO] tweaked toml for crates.io crate test2020 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test2020 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] crate crates.io crate test2020 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e79d101e1c946e60f0247ad9832ae67b2a6a287cddb8b5c96fdcdbae792d7f92
[INFO] running `Command { std: "docker" "start" "-a" "e79d101e1c946e60f0247ad9832ae67b2a6a287cddb8b5c96fdcdbae792d7f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e79d101e1c946e60f0247ad9832ae67b2a6a287cddb8b5c96fdcdbae792d7f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e79d101e1c946e60f0247ad9832ae67b2a6a287cddb8b5c96fdcdbae792d7f92", kill_on_drop: false }`
[INFO] [stdout] e79d101e1c946e60f0247ad9832ae67b2a6a287cddb8b5c96fdcdbae792d7f92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d678a69b6d335b0266048449ed68a9d35fbc37fcd8d08793cff92d7c1db63569
[INFO] running `Command { std: "docker" "start" "-a" "d678a69b6d335b0266048449ed68a9d35fbc37fcd8d08793cff92d7c1db63569", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling clap_lex v0.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.1.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling test2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "d678a69b6d335b0266048449ed68a9d35fbc37fcd8d08793cff92d7c1db63569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d678a69b6d335b0266048449ed68a9d35fbc37fcd8d08793cff92d7c1db63569", kill_on_drop: false }`
[INFO] [stdout] d678a69b6d335b0266048449ed68a9d35fbc37fcd8d08793cff92d7c1db63569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 27e914bdce4246b8dd929a33626d93be07c4b8117ba37223c4ea401a41b4998a
[INFO] running `Command { std: "docker" "start" "-a" "27e914bdce4246b8dd929a33626d93be07c4b8117ba37223c4ea401a41b4998a", kill_on_drop: false }`
[INFO] [stderr]    Compiling test2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "27e914bdce4246b8dd929a33626d93be07c4b8117ba37223c4ea401a41b4998a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27e914bdce4246b8dd929a33626d93be07c4b8117ba37223c4ea401a41b4998a", kill_on_drop: false }`
[INFO] [stdout] 27e914bdce4246b8dd929a33626d93be07c4b8117ba37223c4ea401a41b4998a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a690888b5ab3867c2f75c5003586e85d231121e8a83265ebd789d0174a223bed
[INFO] running `Command { std: "docker" "start" "-a" "a690888b5ab3867c2f75c5003586e85d231121e8a83265ebd789d0174a223bed", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/test2020-271aee524f76a112)
[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" "a690888b5ab3867c2f75c5003586e85d231121e8a83265ebd789d0174a223bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a690888b5ab3867c2f75c5003586e85d231121e8a83265ebd789d0174a223bed", kill_on_drop: false }`
[INFO] [stdout] a690888b5ab3867c2f75c5003586e85d231121e8a83265ebd789d0174a223bed