[INFO] cloning repository https://github.com/quanttb/rust-crash-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quanttb/rust-crash-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquanttb%2Frust-crash-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquanttb%2Frust-crash-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 90ff87002c50613752ac0e69d349f86a949e5d43
[INFO] testing quanttb/rust-crash-course against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquanttb%2Frust-crash-course" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/quanttb/rust-crash-course
[INFO] finished tweaking git repo https://github.com/quanttb/rust-crash-course
[INFO] tweaked toml for git repo https://github.com/quanttb/rust-crash-course written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/quanttb/rust-crash-course 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] crate git repo https://github.com/quanttb/rust-crash-course 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6df3a881f48b2edcd8b50784bd539a09f8d017f1dc48fa2abcadd8315c0f7441
[INFO] running `Command { std: "docker" "start" "-a" "6df3a881f48b2edcd8b50784bd539a09f8d017f1dc48fa2abcadd8315c0f7441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df3a881f48b2edcd8b50784bd539a09f8d017f1dc48fa2abcadd8315c0f7441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df3a881f48b2edcd8b50784bd539a09f8d017f1dc48fa2abcadd8315c0f7441", kill_on_drop: false }`
[INFO] [stdout] 6df3a881f48b2edcd8b50784bd539a09f8d017f1dc48fa2abcadd8315c0f7441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f48484714092a61cef6f395e980a814beaef6ca8378954229a69ff78e0dbf324
[INFO] running `Command { std: "docker" "start" "-a" "f48484714092a61cef6f395e980a814beaef6ca8378954229a69ff78e0dbf324", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "f48484714092a61cef6f395e980a814beaef6ca8378954229a69ff78e0dbf324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f48484714092a61cef6f395e980a814beaef6ca8378954229a69ff78e0dbf324", kill_on_drop: false }`
[INFO] [stdout] f48484714092a61cef6f395e980a814beaef6ca8378954229a69ff78e0dbf324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7832be65c5c06b4285fc53ad99a85e83293e9e0860645ac30b81211d4fc9de59
[INFO] running `Command { std: "docker" "start" "-a" "7832be65c5c06b4285fc53ad99a85e83293e9e0860645ac30b81211d4fc9de59", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "7832be65c5c06b4285fc53ad99a85e83293e9e0860645ac30b81211d4fc9de59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7832be65c5c06b4285fc53ad99a85e83293e9e0860645ac30b81211d4fc9de59", kill_on_drop: false }`
[INFO] [stdout] 7832be65c5c06b4285fc53ad99a85e83293e9e0860645ac30b81211d4fc9de59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ca09f1611d125fc7020a4cc92e4c8aa3f5d402d11e1b86fd010cc64274dca5c4
[INFO] running `Command { std: "docker" "start" "-a" "ca09f1611d125fc7020a4cc92e4c8aa3f5d402d11e1b86fd010cc64274dca5c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust-9647ca23e3195bbf)
[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" "ca09f1611d125fc7020a4cc92e4c8aa3f5d402d11e1b86fd010cc64274dca5c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca09f1611d125fc7020a4cc92e4c8aa3f5d402d11e1b86fd010cc64274dca5c4", kill_on_drop: false }`
[INFO] [stdout] ca09f1611d125fc7020a4cc92e4c8aa3f5d402d11e1b86fd010cc64274dca5c4