[INFO] fetching crate microbench 0.5.0...
[INFO] testing microbench-0.5.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate microbench 0.5.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate microbench 0.5.0
[INFO] finished tweaking crates.io crate microbench 0.5.0
[INFO] tweaked toml for crates.io crate microbench 0.5.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate microbench 0.5.0 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] 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] 6fc01d99fb52241acc74f11551cb4b7d3a19703f93a34460ed7474ae1fe3a491
[INFO] running `Command { std: "docker" "start" "-a" "6fc01d99fb52241acc74f11551cb4b7d3a19703f93a34460ed7474ae1fe3a491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fc01d99fb52241acc74f11551cb4b7d3a19703f93a34460ed7474ae1fe3a491", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fc01d99fb52241acc74f11551cb4b7d3a19703f93a34460ed7474ae1fe3a491", kill_on_drop: false }`
[INFO] [stdout] 6fc01d99fb52241acc74f11551cb4b7d3a19703f93a34460ed7474ae1fe3a491
[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] 16a098c60bbd140cc0a83d751e404dcb0c12dabd2cb3c7ac1ca888a470b6e1f2
[INFO] running `Command { std: "docker" "start" "-a" "16a098c60bbd140cc0a83d751e404dcb0c12dabd2cb3c7ac1ca888a470b6e1f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "16a098c60bbd140cc0a83d751e404dcb0c12dabd2cb3c7ac1ca888a470b6e1f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16a098c60bbd140cc0a83d751e404dcb0c12dabd2cb3c7ac1ca888a470b6e1f2", kill_on_drop: false }`
[INFO] [stdout] 16a098c60bbd140cc0a83d751e404dcb0c12dabd2cb3c7ac1ca888a470b6e1f2
[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] 91d1ed4d4b775170a7f592742f17997eb0f26325754d94d941467f9d77e592cb
[INFO] running `Command { std: "docker" "start" "-a" "91d1ed4d4b775170a7f592742f17997eb0f26325754d94d941467f9d77e592cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling microbench v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "91d1ed4d4b775170a7f592742f17997eb0f26325754d94d941467f9d77e592cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d1ed4d4b775170a7f592742f17997eb0f26325754d94d941467f9d77e592cb", kill_on_drop: false }`
[INFO] [stdout] 91d1ed4d4b775170a7f592742f17997eb0f26325754d94d941467f9d77e592cb
[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] ec810988dcf53bba3a2d938720f623d40c3769d4c31f4b5fe70ad146e38fcb7b
[INFO] running `Command { std: "docker" "start" "-a" "ec810988dcf53bba3a2d938720f623d40c3769d4c31f4b5fe70ad146e38fcb7b", 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/microbench-a60ec07a79b44b08)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test statistics::tests::test_model ... ok
[INFO] [stderr]    Doc-tests microbench
[INFO] [stdout] test statistics::tests::test_kahan ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 10.31s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ec810988dcf53bba3a2d938720f623d40c3769d4c31f4b5fe70ad146e38fcb7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec810988dcf53bba3a2d938720f623d40c3769d4c31f4b5fe70ad146e38fcb7b", kill_on_drop: false }`
[INFO] [stdout] ec810988dcf53bba3a2d938720f623d40c3769d4c31f4b5fe70ad146e38fcb7b