[INFO] fetching crate changecase 0.0.7...
[INFO] testing changecase-0.0.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate changecase 0.0.7 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate changecase 0.0.7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate changecase 0.0.7
[INFO] finished tweaking crates.io crate changecase 0.0.7
[INFO] tweaked toml for crates.io crate changecase 0.0.7 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] 21e56d4100a63f786ef041ec9bbaa48cd3d13f3c9f5bbee9340165e4cd04bfe5
[INFO] running `Command { std: "docker" "start" "-a" "21e56d4100a63f786ef041ec9bbaa48cd3d13f3c9f5bbee9340165e4cd04bfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21e56d4100a63f786ef041ec9bbaa48cd3d13f3c9f5bbee9340165e4cd04bfe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21e56d4100a63f786ef041ec9bbaa48cd3d13f3c9f5bbee9340165e4cd04bfe5", kill_on_drop: false }`
[INFO] [stdout] 21e56d4100a63f786ef041ec9bbaa48cd3d13f3c9f5bbee9340165e4cd04bfe5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3065c8fac2d8c5feef087c1a2ad6692d18a4dcc01cb603f596cf9b4039dd44b
[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" "d3065c8fac2d8c5feef087c1a2ad6692d18a4dcc01cb603f596cf9b4039dd44b", kill_on_drop: false }`
[INFO] [stderr]    Compiling changecase v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "d3065c8fac2d8c5feef087c1a2ad6692d18a4dcc01cb603f596cf9b4039dd44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3065c8fac2d8c5feef087c1a2ad6692d18a4dcc01cb603f596cf9b4039dd44b", kill_on_drop: false }`
[INFO] [stdout] d3065c8fac2d8c5feef087c1a2ad6692d18a4dcc01cb603f596cf9b4039dd44b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fc143c8137629a5f6b56ac83fd1b0afc5b5bcf65a6b140da0869947be5dbd3d
[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" "5fc143c8137629a5f6b56ac83fd1b0afc5b5bcf65a6b140da0869947be5dbd3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling changecase v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "5fc143c8137629a5f6b56ac83fd1b0afc5b5bcf65a6b140da0869947be5dbd3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fc143c8137629a5f6b56ac83fd1b0afc5b5bcf65a6b140da0869947be5dbd3d", kill_on_drop: false }`
[INFO] [stdout] 5fc143c8137629a5f6b56ac83fd1b0afc5b5bcf65a6b140da0869947be5dbd3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.55.0" "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] a9b6c545575f378ccddb7109e3c4e3bb8fdc1b747b89f2dce9c9667de0ceaaf3
[INFO] running `Command { std: "docker" "start" "-a" "a9b6c545575f378ccddb7109e3c4e3bb8fdc1b747b89f2dce9c9667de0ceaaf3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test alternating ... ok
[INFO] [stdout] test str_capitalize ... ok
[INFO] [stdout] test lower ... ok
[INFO] [stdout] test swapped ... ok
[INFO] [stdout] test str_swapped ... ok
[INFO] [stdout] test str_lower ... ok
[INFO] [stdout] test upper ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/changecase-20565224ed372d43)
[INFO] [stdout] test str_alternating ... ok
[INFO] [stdout] test capitalize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests changecase
[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" "a9b6c545575f378ccddb7109e3c4e3bb8fdc1b747b89f2dce9c9667de0ceaaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b6c545575f378ccddb7109e3c4e3bb8fdc1b747b89f2dce9c9667de0ceaaf3", kill_on_drop: false }`
[INFO] [stdout] a9b6c545575f378ccddb7109e3c4e3bb8fdc1b747b89f2dce9c9667de0ceaaf3