[INFO] fetching crate ext-string 0.1.5...
[INFO] testing ext-string-0.1.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ext-string 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ext-string 0.1.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ext-string 0.1.5
[INFO] finished tweaking crates.io crate ext-string 0.1.5
[INFO] tweaked toml for crates.io crate ext-string 0.1.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 86a00a7c31273d1f392b76a50a5e9f7a9db5bf8c2dccb90f85aced19cd93b73b
[INFO] running `Command { std: "docker" "start" "-a" "86a00a7c31273d1f392b76a50a5e9f7a9db5bf8c2dccb90f85aced19cd93b73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86a00a7c31273d1f392b76a50a5e9f7a9db5bf8c2dccb90f85aced19cd93b73b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86a00a7c31273d1f392b76a50a5e9f7a9db5bf8c2dccb90f85aced19cd93b73b", kill_on_drop: false }`
[INFO] [stdout] 86a00a7c31273d1f392b76a50a5e9f7a9db5bf8c2dccb90f85aced19cd93b73b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5448d3a97b847d94ac8eca6315b627fb13c0a8f342a8516364008c5d9e3bd162
[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" "5448d3a97b847d94ac8eca6315b627fb13c0a8f342a8516364008c5d9e3bd162", kill_on_drop: false }`
[INFO] [stderr]    Compiling ext-string v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "5448d3a97b847d94ac8eca6315b627fb13c0a8f342a8516364008c5d9e3bd162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5448d3a97b847d94ac8eca6315b627fb13c0a8f342a8516364008c5d9e3bd162", kill_on_drop: false }`
[INFO] [stdout] 5448d3a97b847d94ac8eca6315b627fb13c0a8f342a8516364008c5d9e3bd162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c8eb61e3958b21ef8bec5371f0b67a7ce0cb32a4d3c51359af4ef4cbe5e6253
[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" "8c8eb61e3958b21ef8bec5371f0b67a7ce0cb32a4d3c51359af4ef4cbe5e6253", kill_on_drop: false }`
[INFO] [stderr]    Compiling ext-string v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "8c8eb61e3958b21ef8bec5371f0b67a7ce0cb32a4d3c51359af4ef4cbe5e6253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c8eb61e3958b21ef8bec5371f0b67a7ce0cb32a4d3c51359af4ef4cbe5e6253", kill_on_drop: false }`
[INFO] [stdout] 8c8eb61e3958b21ef8bec5371f0b67a7ce0cb32a4d3c51359af4ef4cbe5e6253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8f06689860e177c88025d0e029c3ea1b9a6d40ca25d177dd6da10eb60fe911f
[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" "c8f06689860e177c88025d0e029c3ea1b9a6d40ca25d177dd6da10eb60fe911f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ext_string-e259dd726df1d048)
[INFO] [stdout] test tests::test_is_alphabetic ... ok
[INFO] [stderr]    Doc-tests ext-string
[INFO] [stdout] test tests::test_is_numeric ... ok
[INFO] [stdout] test tests::test_is_swap_case ... ok
[INFO] [stdout] test tests::test_pad_left ... ok
[INFO] [stdout] test tests::test_pad_right ... ok
[INFO] [stdout] test tests::test_is_alphanumeric ... ok
[INFO] [stdout] test tests::test_pad_right_str ... ok
[INFO] [stdout] test tests::test_pad_left_str ... ok
[INFO] [stdout] test tests::test_reverse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 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" "c8f06689860e177c88025d0e029c3ea1b9a6d40ca25d177dd6da10eb60fe911f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8f06689860e177c88025d0e029c3ea1b9a6d40ca25d177dd6da10eb60fe911f", kill_on_drop: false }`
[INFO] [stdout] c8f06689860e177c88025d0e029c3ea1b9a6d40ca25d177dd6da10eb60fe911f