[INFO] fetching crate snake_case 0.2.0...
[INFO] testing snake_case-0.2.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate snake_case 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate snake_case 0.2.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snake_case 0.2.0
[INFO] finished tweaking crates.io crate snake_case 0.2.0
[INFO] tweaked toml for crates.io crate snake_case 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 36d44421d49e4df6951120ae89ac05f7c6913adf18ec53e4b8523aab9283c513
[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" "36d44421d49e4df6951120ae89ac05f7c6913adf18ec53e4b8523aab9283c513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36d44421d49e4df6951120ae89ac05f7c6913adf18ec53e4b8523aab9283c513", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d44421d49e4df6951120ae89ac05f7c6913adf18ec53e4b8523aab9283c513", kill_on_drop: false }`
[INFO] [stdout] 36d44421d49e4df6951120ae89ac05f7c6913adf18ec53e4b8523aab9283c513
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a3d9f3647f193c876dd4595107d86aab3d9c4299c6774fb939e1059ade29ee1
[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" "6a3d9f3647f193c876dd4595107d86aab3d9c4299c6774fb939e1059ade29ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_case v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6a3d9f3647f193c876dd4595107d86aab3d9c4299c6774fb939e1059ade29ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3d9f3647f193c876dd4595107d86aab3d9c4299c6774fb939e1059ade29ee1", kill_on_drop: false }`
[INFO] [stdout] 6a3d9f3647f193c876dd4595107d86aab3d9c4299c6774fb939e1059ade29ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0ad55f3293155fd0de18c436a69de0f9e4c5b3650a34dcb8cc17da99aa1f89d
[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" "d0ad55f3293155fd0de18c436a69de0f9e4c5b3650a34dcb8cc17da99aa1f89d", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake_case v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "d0ad55f3293155fd0de18c436a69de0f9e4c5b3650a34dcb8cc17da99aa1f89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ad55f3293155fd0de18c436a69de0f9e4c5b3650a34dcb8cc17da99aa1f89d", kill_on_drop: false }`
[INFO] [stdout] d0ad55f3293155fd0de18c436a69de0f9e4c5b3650a34dcb8cc17da99aa1f89d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49bd330b03cbbd3e83b9e5c644f32a40e352ca8ab3d5e5afc3766fd8b15297d6
[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" "49bd330b03cbbd3e83b9e5c644f32a40e352ca8ab3d5e5afc3766fd8b15297d6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake_case-3e0ffb62b6151e92
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests snake_case
[INFO] [stdout] test tests::snake_case ... ok
[INFO] [stdout] test tests::snake_case_conversions ... ok
[INFO] [stdout] test tests::snake_case_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "49bd330b03cbbd3e83b9e5c644f32a40e352ca8ab3d5e5afc3766fd8b15297d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bd330b03cbbd3e83b9e5c644f32a40e352ca8ab3d5e5afc3766fd8b15297d6", kill_on_drop: false }`
[INFO] [stdout] 49bd330b03cbbd3e83b9e5c644f32a40e352ca8ab3d5e5afc3766fd8b15297d6