[INFO] fetching crate ismo 0.0.7...
[INFO] testing ismo-0.0.7 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ismo 0.0.7 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate ismo 0.0.7
[INFO] finished tweaking crates.io crate ismo 0.0.7
[INFO] tweaked toml for crates.io crate ismo 0.0.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ismo 0.0.7 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] 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] f96a531ddee4303e707f37b451c3cd77919c31e17bf7980e1e802cdba1f6fecb
[INFO] running `Command { std: "docker" "start" "-a" "f96a531ddee4303e707f37b451c3cd77919c31e17bf7980e1e802cdba1f6fecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96a531ddee4303e707f37b451c3cd77919c31e17bf7980e1e802cdba1f6fecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96a531ddee4303e707f37b451c3cd77919c31e17bf7980e1e802cdba1f6fecb", kill_on_drop: false }`
[INFO] [stdout] f96a531ddee4303e707f37b451c3cd77919c31e17bf7980e1e802cdba1f6fecb
[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] 8b64cf62b3dcaa043e24dfc6b7685aa28dcba8ce8b75eafc6342966d6053d3c4
[INFO] running `Command { std: "docker" "start" "-a" "8b64cf62b3dcaa043e24dfc6b7685aa28dcba8ce8b75eafc6342966d6053d3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ismo v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "8b64cf62b3dcaa043e24dfc6b7685aa28dcba8ce8b75eafc6342966d6053d3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b64cf62b3dcaa043e24dfc6b7685aa28dcba8ce8b75eafc6342966d6053d3c4", kill_on_drop: false }`
[INFO] [stdout] 8b64cf62b3dcaa043e24dfc6b7685aa28dcba8ce8b75eafc6342966d6053d3c4
[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] a50e84e298a60cfb276009f9a18eec87c13dde23b13f00f5832c3ea1407abfb9
[INFO] running `Command { std: "docker" "start" "-a" "a50e84e298a60cfb276009f9a18eec87c13dde23b13f00f5832c3ea1407abfb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling ismo v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "a50e84e298a60cfb276009f9a18eec87c13dde23b13f00f5832c3ea1407abfb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50e84e298a60cfb276009f9a18eec87c13dde23b13f00f5832c3ea1407abfb9", kill_on_drop: false }`
[INFO] [stdout] a50e84e298a60cfb276009f9a18eec87c13dde23b13f00f5832c3ea1407abfb9
[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] 81e026b5c22ca3c0a49bfd7fe2cdce19305ebb2a22bebe2a43fb8c5b67def187
[INFO] running `Command { std: "docker" "start" "-a" "81e026b5c22ca3c0a49bfd7fe2cdce19305ebb2a22bebe2a43fb8c5b67def187", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ismo-9520f70d2a110a12)
[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 ismo
[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" "81e026b5c22ca3c0a49bfd7fe2cdce19305ebb2a22bebe2a43fb8c5b67def187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81e026b5c22ca3c0a49bfd7fe2cdce19305ebb2a22bebe2a43fb8c5b67def187", kill_on_drop: false }`
[INFO] [stdout] 81e026b5c22ca3c0a49bfd7fe2cdce19305ebb2a22bebe2a43fb8c5b67def187