[INFO] fetching crate str-concat 0.2.0...
[INFO] testing str-concat-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate str-concat 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate str-concat 0.2.0 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 str-concat 0.2.0
[INFO] finished tweaking crates.io crate str-concat 0.2.0
[INFO] tweaked toml for crates.io crate str-concat 0.2.0 written to /workspace/builds/worker-9/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-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" "+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] 77cd78829fa76d822f794a8ff1537a2521f5bb487ae3927f8186dd62f15f12c6
[INFO] running `Command { std: "docker" "start" "-a" "77cd78829fa76d822f794a8ff1537a2521f5bb487ae3927f8186dd62f15f12c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77cd78829fa76d822f794a8ff1537a2521f5bb487ae3927f8186dd62f15f12c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77cd78829fa76d822f794a8ff1537a2521f5bb487ae3927f8186dd62f15f12c6", kill_on_drop: false }`
[INFO] [stdout] 77cd78829fa76d822f794a8ff1537a2521f5bb487ae3927f8186dd62f15f12c6
[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" "+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] f0ab22fe41914d602fdc8b4c3c3ad3e585d017796376092b76dbd347696b25ff
[INFO] running `Command { std: "docker" "start" "-a" "f0ab22fe41914d602fdc8b4c3c3ad3e585d017796376092b76dbd347696b25ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-concat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "f0ab22fe41914d602fdc8b4c3c3ad3e585d017796376092b76dbd347696b25ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ab22fe41914d602fdc8b4c3c3ad3e585d017796376092b76dbd347696b25ff", kill_on_drop: false }`
[INFO] [stdout] f0ab22fe41914d602fdc8b4c3c3ad3e585d017796376092b76dbd347696b25ff
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25a77b9b44d0a7cf86bea2bd875707220988457c542f8a7ec4c1c607624ff3bd
[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" "25a77b9b44d0a7cf86bea2bd875707220988457c542f8a7ec4c1c607624ff3bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-concat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "25a77b9b44d0a7cf86bea2bd875707220988457c542f8a7ec4c1c607624ff3bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a77b9b44d0a7cf86bea2bd875707220988457c542f8a7ec4c1c607624ff3bd", kill_on_drop: false }`
[INFO] [stdout] 25a77b9b44d0a7cf86bea2bd875707220988457c542f8a7ec4c1c607624ff3bd
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54ea4fe36d36a2f8c060168f17c8569b0870911f195bc4a6b0a694ec1222c9cd
[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" "54ea4fe36d36a2f8c060168f17c8569b0870911f195bc4a6b0a694ec1222c9cd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/str_concat-56fab71db2407f96)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_str ... ok
[INFO] [stdout] test tests::typed_fail ... ok
[INFO] [stdout] test tests::unordered ... ok
[INFO] [stdout] test tests::zero_width_joiner ... ok
[INFO] [stdout] test tests::zero_width_joiner_combining_grave ... ok
[INFO] [stdout] test tests::zst_fail ... ok
[INFO] [stdout] test tests::typed_slices ... ok
[INFO] [stdout] test tests::bom ... ok
[INFO] [stdout] test tests::simple_fail ... ok
[INFO] [stdout] test tests::simple_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests str-concat
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - concat_slice_unordered (line 244) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 44) ... ok
[INFO] [stdout] test src/lib.rs - concat_unordered (line 202) ... ok
[INFO] [stdout] test src/lib.rs - concat_unordered (line 191) ... ok
[INFO] [stdout] test src/lib.rs - concat_slice_unordered (line 257) ... ok
[INFO] [stdout] test src/lib.rs - concat_slice (line 99) ... ok
[INFO] [stdout] test src/lib.rs - concat_slice (line 112) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54ea4fe36d36a2f8c060168f17c8569b0870911f195bc4a6b0a694ec1222c9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ea4fe36d36a2f8c060168f17c8569b0870911f195bc4a6b0a694ec1222c9cd", kill_on_drop: false }`
[INFO] [stdout] 54ea4fe36d36a2f8c060168f17c8569b0870911f195bc4a6b0a694ec1222c9cd