[INFO] fetching crate str-concat 0.2.0...
[INFO] testing str-concat-0.2.0 against beta-2022-04-10 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 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 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" "+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-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] [stdout] 89fcf578f877e6f2c3b03c0a6f2d557995c2fb919f01ba74fc1df77b668146f5
[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" "89fcf578f877e6f2c3b03c0a6f2d557995c2fb919f01ba74fc1df77b668146f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89fcf578f877e6f2c3b03c0a6f2d557995c2fb919f01ba74fc1df77b668146f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fcf578f877e6f2c3b03c0a6f2d557995c2fb919f01ba74fc1df77b668146f5", kill_on_drop: false }`
[INFO] [stdout] 89fcf578f877e6f2c3b03c0a6f2d557995c2fb919f01ba74fc1df77b668146f5
[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] 4917a91ce39ac9ba427a3965995d5dadc4be2eeff6a3be5e81483397d3e9571d
[INFO] running `Command { std: "docker" "start" "-a" "4917a91ce39ac9ba427a3965995d5dadc4be2eeff6a3be5e81483397d3e9571d", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-concat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "4917a91ce39ac9ba427a3965995d5dadc4be2eeff6a3be5e81483397d3e9571d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4917a91ce39ac9ba427a3965995d5dadc4be2eeff6a3be5e81483397d3e9571d", kill_on_drop: false }`
[INFO] [stdout] 4917a91ce39ac9ba427a3965995d5dadc4be2eeff6a3be5e81483397d3e9571d
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 724c74ea3bdded338584cae33b3501b0537b7b44af99edc8a9ac2c45fa5a18fe
[INFO] running `Command { std: "docker" "start" "-a" "724c74ea3bdded338584cae33b3501b0537b7b44af99edc8a9ac2c45fa5a18fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling str-concat v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.07s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/str_concat-f54930b76fdb7c2a)
[INFO] running `Command { std: "docker" "inspect" "724c74ea3bdded338584cae33b3501b0537b7b44af99edc8a9ac2c45fa5a18fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724c74ea3bdded338584cae33b3501b0537b7b44af99edc8a9ac2c45fa5a18fe", kill_on_drop: false }`
[INFO] [stdout] 724c74ea3bdded338584cae33b3501b0537b7b44af99edc8a9ac2c45fa5a18fe
[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] c90367ea5dfb1f90d7f2b671b354005ac64862052d365873f2580c31704ad4e1
[INFO] running `Command { std: "docker" "start" "-a" "c90367ea5dfb1f90d7f2b671b354005ac64862052d365873f2580c31704ad4e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/str_concat-f54930b76fdb7c2a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::empty_str ... ok
[INFO] [stdout] test tests::typed_slices ... ok
[INFO] [stderr]    Doc-tests str-concat
[INFO] [stdout] test tests::simple_success ... ok
[INFO] [stdout] test tests::simple_fail ... ok
[INFO] [stdout] test tests::typed_fail ... ok
[INFO] [stdout] test tests::bom ... ok
[INFO] [stdout] test tests::zero_width_joiner ... ok
[INFO] [stdout] test tests::unordered ... ok
[INFO] [stdout] test tests::zero_width_joiner_combining_grave ... ok
[INFO] [stdout] test tests::zst_fail ... 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] [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_slice_unordered (line 257) ... ok
[INFO] [stdout] test src/lib.rs - concat_slice (line 112) ... ok
[INFO] [stdout] test src/lib.rs - concat_slice (line 99) ... ok
[INFO] [stdout] test src/lib.rs - concat (line 33) ... ok
[INFO] [stdout] test src/lib.rs - concat_unordered (line 191) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.75s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c90367ea5dfb1f90d7f2b671b354005ac64862052d365873f2580c31704ad4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90367ea5dfb1f90d7f2b671b354005ac64862052d365873f2580c31704ad4e1", kill_on_drop: false }`
[INFO] [stdout] c90367ea5dfb1f90d7f2b671b354005ac64862052d365873f2580c31704ad4e1