[INFO] cloning repository https://github.com/volodymyrkochyn/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/volodymyrkochyn/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodymyrkochyn%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodymyrkochyn%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6de41987f3ae1e34f14e05e2163886158b953032
[INFO] testing volodymyrkochyn/rust-learning against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodymyrkochyn%2Frust-learning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/volodymyrkochyn/rust-learning
[INFO] finished tweaking git repo https://github.com/volodymyrkochyn/rust-learning
[INFO] tweaked toml for git repo https://github.com/volodymyrkochyn/rust-learning written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/volodymyrkochyn/rust-learning on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/volodymyrkochyn/rust-learning 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-2026-03-05" "fetch" "--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
[ERROR] error running command: no output for 300 seconds
[INFO] testing volodymyrkochyn/rust-learning against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvolodymyrkochyn%2Frust-learning" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/volodymyrkochyn/rust-learning
[INFO] finished tweaking git repo https://github.com/volodymyrkochyn/rust-learning
[INFO] tweaked toml for git repo https://github.com/volodymyrkochyn/rust-learning written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/volodymyrkochyn/rust-learning on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/volodymyrkochyn/rust-learning 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-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexi_logger v0.31.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa6d5788782383a41e6f2242861622f825ef519e58aac8e9a323db2eb6da733
[INFO] running `Command { std: "docker" "start" "-a" "2fa6d5788782383a41e6f2242861622f825ef519e58aac8e9a323db2eb6da733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa6d5788782383a41e6f2242861622f825ef519e58aac8e9a323db2eb6da733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa6d5788782383a41e6f2242861622f825ef519e58aac8e9a323db2eb6da733", kill_on_drop: false }`
[INFO] [stdout] 2fa6d5788782383a41e6f2242861622f825ef519e58aac8e9a323db2eb6da733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76cb5fb0583e9e8ef51b1fef83b147b833bb2378fa7464f78a7796ff39c0c58d
[INFO] running `Command { std: "docker" "start" "-a" "76cb5fb0583e9e8ef51b1fef83b147b833bb2378fa7464f78a7796ff39c0c58d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling flexi_logger v0.31.7
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "76cb5fb0583e9e8ef51b1fef83b147b833bb2378fa7464f78a7796ff39c0c58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76cb5fb0583e9e8ef51b1fef83b147b833bb2378fa7464f78a7796ff39c0c58d", kill_on_drop: false }`
[INFO] [stdout] 76cb5fb0583e9e8ef51b1fef83b147b833bb2378fa7464f78a7796ff39c0c58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15236250274055c2f6341126badd8d032378673bef553214da498ec7cdf3e6e
[INFO] running `Command { std: "docker" "start" "-a" "f15236250274055c2f6341126badd8d032378673bef553214da498ec7cdf3e6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f15236250274055c2f6341126badd8d032378673bef553214da498ec7cdf3e6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15236250274055c2f6341126badd8d032378673bef553214da498ec7cdf3e6e", kill_on_drop: false }`
[INFO] [stdout] f15236250274055c2f6341126badd8d032378673bef553214da498ec7cdf3e6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1885ed92b5f2dda3b75f59d48d45e7d1629dedf5f9bfb2776c486100138bea82
[INFO] running `Command { std: "docker" "start" "-a" "1885ed92b5f2dda3b75f59d48d45e7d1629dedf5f9bfb2776c486100138bea82", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_learning-4afe3e8e48af3af4)
[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" "1885ed92b5f2dda3b75f59d48d45e7d1629dedf5f9bfb2776c486100138bea82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1885ed92b5f2dda3b75f59d48d45e7d1629dedf5f9bfb2776c486100138bea82", kill_on_drop: false }`
[INFO] [stdout] 1885ed92b5f2dda3b75f59d48d45e7d1629dedf5f9bfb2776c486100138bea82
