[INFO] fetching crate concat_strs_impl 1.0.1...
[INFO] testing concat_strs_impl-1.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate concat_strs_impl 1.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate concat_strs_impl 1.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concat_strs_impl 1.0.1
[INFO] finished tweaking crates.io crate concat_strs_impl 1.0.1
[INFO] tweaked toml for crates.io crate concat_strs_impl 1.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "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] 0524c175102031828daa10c1529fb3e01d56620f7b45212a3508116c84cc39cb
[INFO] running `Command { std: "docker" "start" "-a" "0524c175102031828daa10c1529fb3e01d56620f7b45212a3508116c84cc39cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0524c175102031828daa10c1529fb3e01d56620f7b45212a3508116c84cc39cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0524c175102031828daa10c1529fb3e01d56620f7b45212a3508116c84cc39cb", kill_on_drop: false }`
[INFO] [stdout] 0524c175102031828daa10c1529fb3e01d56620f7b45212a3508116c84cc39cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "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] 8d3ce2fcaee051540dd119dd5b97c31557e2bc60d50056e4a66780f5341b48f7
[INFO] running `Command { std: "docker" "start" "-a" "8d3ce2fcaee051540dd119dd5b97c31557e2bc60d50056e4a66780f5341b48f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "8d3ce2fcaee051540dd119dd5b97c31557e2bc60d50056e4a66780f5341b48f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3ce2fcaee051540dd119dd5b97c31557e2bc60d50056e4a66780f5341b48f7", kill_on_drop: false }`
[INFO] [stdout] 8d3ce2fcaee051540dd119dd5b97c31557e2bc60d50056e4a66780f5341b48f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "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] 198a01c758b41cc59024ef19bfaf4b0bc075bc2aeb2c3de2f099d66af113ab22
[INFO] running `Command { std: "docker" "start" "-a" "198a01c758b41cc59024ef19bfaf4b0bc075bc2aeb2c3de2f099d66af113ab22", kill_on_drop: false }`
[INFO] [stderr]    Compiling concat_strs_impl v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "198a01c758b41cc59024ef19bfaf4b0bc075bc2aeb2c3de2f099d66af113ab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "198a01c758b41cc59024ef19bfaf4b0bc075bc2aeb2c3de2f099d66af113ab22", kill_on_drop: false }`
[INFO] [stdout] 198a01c758b41cc59024ef19bfaf4b0bc075bc2aeb2c3de2f099d66af113ab22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c86adaab0c74b301a814637bcbc612935c9ed005522fee89c3ba1bbeb1c858b6
[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" "c86adaab0c74b301a814637bcbc612935c9ed005522fee89c3ba1bbeb1c858b6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concat_strs_impl-00edb3518254efd3)
[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] [stderr]    Doc-tests concat_strs_impl
[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" "c86adaab0c74b301a814637bcbc612935c9ed005522fee89c3ba1bbeb1c858b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86adaab0c74b301a814637bcbc612935c9ed005522fee89c3ba1bbeb1c858b6", kill_on_drop: false }`
[INFO] [stdout] c86adaab0c74b301a814637bcbc612935c9ed005522fee89c3ba1bbeb1c858b6