[INFO] fetching crate c-like-concat 0.0.2...
[INFO] testing c-like-concat-0.0.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate c-like-concat 0.0.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate c-like-concat 0.0.2 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 c-like-concat 0.0.2
[INFO] finished tweaking crates.io crate c-like-concat 0.0.2
[INFO] tweaked toml for crates.io crate c-like-concat 0.0.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate c-like-concat 0.0.2 already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d711acee3e3b31069f97cb45216ffc4c7d478194e492856ae395be6846e0f9bf
[INFO] running `Command { std: "docker" "start" "-a" "d711acee3e3b31069f97cb45216ffc4c7d478194e492856ae395be6846e0f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d711acee3e3b31069f97cb45216ffc4c7d478194e492856ae395be6846e0f9bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d711acee3e3b31069f97cb45216ffc4c7d478194e492856ae395be6846e0f9bf", kill_on_drop: false }`
[INFO] [stdout] d711acee3e3b31069f97cb45216ffc4c7d478194e492856ae395be6846e0f9bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dca1f66d8fbaf7fb7100ab0e239994ebab9dfc824ac7749fdd7df8f45a1820ef
[INFO] running `Command { std: "docker" "start" "-a" "dca1f66d8fbaf7fb7100ab0e239994ebab9dfc824ac7749fdd7df8f45a1820ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling c-like-concat v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "dca1f66d8fbaf7fb7100ab0e239994ebab9dfc824ac7749fdd7df8f45a1820ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca1f66d8fbaf7fb7100ab0e239994ebab9dfc824ac7749fdd7df8f45a1820ef", kill_on_drop: false }`
[INFO] [stdout] dca1f66d8fbaf7fb7100ab0e239994ebab9dfc824ac7749fdd7df8f45a1820ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] e7f025a8f11de3128351b4ec62fbaeb00cf35f5f03aea55ff64115eee1944ba2
[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" "e7f025a8f11de3128351b4ec62fbaeb00cf35f5f03aea55ff64115eee1944ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling c-like-concat v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/c_like_concat-358b7c7aea51da22)
[INFO] running `Command { std: "docker" "inspect" "e7f025a8f11de3128351b4ec62fbaeb00cf35f5f03aea55ff64115eee1944ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f025a8f11de3128351b4ec62fbaeb00cf35f5f03aea55ff64115eee1944ba2", kill_on_drop: false }`
[INFO] [stdout] e7f025a8f11de3128351b4ec62fbaeb00cf35f5f03aea55ff64115eee1944ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d42cdcad13f0a384588db6b94397d2202f10dba9e52ca1d7d3541844d81cfeb4
[INFO] running `Command { std: "docker" "start" "-a" "d42cdcad13f0a384588db6b94397d2202f10dba9e52ca1d7d3541844d81cfeb4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c_like_concat-358b7c7aea51da22)
[INFO] [stderr]    Doc-tests c-like-concat
[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] [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" "d42cdcad13f0a384588db6b94397d2202f10dba9e52ca1d7d3541844d81cfeb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d42cdcad13f0a384588db6b94397d2202f10dba9e52ca1d7d3541844d81cfeb4", kill_on_drop: false }`
[INFO] [stdout] d42cdcad13f0a384588db6b94397d2202f10dba9e52ca1d7d3541844d81cfeb4