[INFO] fetching crate string-join 0.1.2...
[INFO] testing string-join-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate string-join 0.1.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate string-join 0.1.2 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 string-join 0.1.2
[INFO] finished tweaking crates.io crate string-join 0.1.2
[INFO] tweaked toml for crates.io crate string-join 0.1.2 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad461a6860e4416fc8c7f9f6b6fc5c836e5ba270f17bdb2d5ca9002b7e872d7a
[INFO] running `Command { std: "docker" "start" "-a" "ad461a6860e4416fc8c7f9f6b6fc5c836e5ba270f17bdb2d5ca9002b7e872d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad461a6860e4416fc8c7f9f6b6fc5c836e5ba270f17bdb2d5ca9002b7e872d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad461a6860e4416fc8c7f9f6b6fc5c836e5ba270f17bdb2d5ca9002b7e872d7a", kill_on_drop: false }`
[INFO] [stdout] ad461a6860e4416fc8c7f9f6b6fc5c836e5ba270f17bdb2d5ca9002b7e872d7a
[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] [stdout] ae8b3ff28819ccc3b5ea722d7409809f2c78d1f9b05879f8b0de51484d64a9c2
[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" "ae8b3ff28819ccc3b5ea722d7409809f2c78d1f9b05879f8b0de51484d64a9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "ae8b3ff28819ccc3b5ea722d7409809f2c78d1f9b05879f8b0de51484d64a9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8b3ff28819ccc3b5ea722d7409809f2c78d1f9b05879f8b0de51484d64a9c2", kill_on_drop: false }`
[INFO] [stdout] ae8b3ff28819ccc3b5ea722d7409809f2c78d1f9b05879f8b0de51484d64a9c2
[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] 13cd92c24f38a17154bbc3adc8348d5c2f3da7572338ad3fe9c0a2a257389028
[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" "13cd92c24f38a17154bbc3adc8348d5c2f3da7572338ad3fe9c0a2a257389028", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/string_join-119738a6b58768db)
[INFO] running `Command { std: "docker" "inspect" "13cd92c24f38a17154bbc3adc8348d5c2f3da7572338ad3fe9c0a2a257389028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13cd92c24f38a17154bbc3adc8348d5c2f3da7572338ad3fe9c0a2a257389028", kill_on_drop: false }`
[INFO] [stdout] 13cd92c24f38a17154bbc3adc8348d5c2f3da7572338ad3fe9c0a2a257389028
[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] [stdout] f2f41a1619b254322f871c00a31b85ad7312a8a07801ce05a5a8771eb7ed3d96
[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" "f2f41a1619b254322f871c00a31b85ad7312a8a07801ce05a5a8771eb7ed3d96", 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/string_join-119738a6b58768db)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_ref::tests::join_hashset ... ok
[INFO] [stdout] test as_ref::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test display::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test as_ref::tests::join_with_heap_string ... ok
[INFO] [stdout] test display::tests::join_with_heap_string ... ok
[INFO] [stdout] test as_ref::tests::write_join_to_file ... ok
[INFO] [stdout] test display::tests::write_join_to_file ... ok
[INFO] [stdout] test display::tests::join_hashset ... ok
[INFO] [stdout] test as_ref::tests::join_with_cow_string ... ok
[INFO] [stdout] test display::tests::join_with_cow_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string-join
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f2f41a1619b254322f871c00a31b85ad7312a8a07801ce05a5a8771eb7ed3d96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f41a1619b254322f871c00a31b85ad7312a8a07801ce05a5a8771eb7ed3d96", kill_on_drop: false }`
[INFO] [stdout] f2f41a1619b254322f871c00a31b85ad7312a8a07801ce05a5a8771eb7ed3d96