[INFO] fetching crate liuchong 0.1.0...
[INFO] testing liuchong-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate liuchong 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate liuchong 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate liuchong 0.1.0
[INFO] finished tweaking crates.io crate liuchong 0.1.0
[INFO] tweaked toml for crates.io crate liuchong 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad7b1cf67a9349e46ec6b9b86404fb9364b61a5732e26eb7d0ec6eccdb9758ce
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ad7b1cf67a9349e46ec6b9b86404fb9364b61a5732e26eb7d0ec6eccdb9758ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad7b1cf67a9349e46ec6b9b86404fb9364b61a5732e26eb7d0ec6eccdb9758ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7b1cf67a9349e46ec6b9b86404fb9364b61a5732e26eb7d0ec6eccdb9758ce", kill_on_drop: false }`
[INFO] [stdout] ad7b1cf67a9349e46ec6b9b86404fb9364b61a5732e26eb7d0ec6eccdb9758ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d742ebddc55b7f6bf948ec5667c80b5f27504bd48a2242b638c17f717868ab5d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d742ebddc55b7f6bf948ec5667c80b5f27504bd48a2242b638c17f717868ab5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuchong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "d742ebddc55b7f6bf948ec5667c80b5f27504bd48a2242b638c17f717868ab5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d742ebddc55b7f6bf948ec5667c80b5f27504bd48a2242b638c17f717868ab5d", kill_on_drop: false }`
[INFO] [stdout] d742ebddc55b7f6bf948ec5667c80b5f27504bd48a2242b638c17f717868ab5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bbdfa197048e225753ce989bd5b9f6da1a62f533ee5807cbd954744f01b3f2d8
[INFO] running `Command { std: "docker" "start" "-a" "bbdfa197048e225753ce989bd5b9f6da1a62f533ee5807cbd954744f01b3f2d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling liuchong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/liuchong-a5e2457ba0eb5ce3)
[INFO] running `Command { std: "docker" "inspect" "bbdfa197048e225753ce989bd5b9f6da1a62f533ee5807cbd954744f01b3f2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdfa197048e225753ce989bd5b9f6da1a62f533ee5807cbd954744f01b3f2d8", kill_on_drop: false }`
[INFO] [stdout] bbdfa197048e225753ce989bd5b9f6da1a62f533ee5807cbd954744f01b3f2d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04bab04ab510792087e1110c15f4c0c51337a3c11d889970fa005c0e7b3774a5
[INFO] running `Command { std: "docker" "start" "-a" "04bab04ab510792087e1110c15f4c0c51337a3c11d889970fa005c0e7b3774a5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/liuchong-a5e2457ba0eb5ce3)
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    Doc-tests liuchong
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "04bab04ab510792087e1110c15f4c0c51337a3c11d889970fa005c0e7b3774a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04bab04ab510792087e1110c15f4c0c51337a3c11d889970fa005c0e7b3774a5", kill_on_drop: false }`
[INFO] [stdout] 04bab04ab510792087e1110c15f4c0c51337a3c11d889970fa005c0e7b3774a5