[INFO] fetching crate enum_default 0.2.5...
[INFO] testing enum_default-0.2.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate enum_default 0.2.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate enum_default 0.2.5 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum_default 0.2.5
[INFO] finished tweaking crates.io crate enum_default 0.2.5
[INFO] tweaked toml for crates.io crate enum_default 0.2.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate enum_default 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6ebf5db0f06f629bd7367f3230c0acdb930c0986c85a9d7ef8837bcf7ec0c97
[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" "a6ebf5db0f06f629bd7367f3230c0acdb930c0986c85a9d7ef8837bcf7ec0c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ebf5db0f06f629bd7367f3230c0acdb930c0986c85a9d7ef8837bcf7ec0c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ebf5db0f06f629bd7367f3230c0acdb930c0986c85a9d7ef8837bcf7ec0c97", kill_on_drop: false }`
[INFO] [stdout] a6ebf5db0f06f629bd7367f3230c0acdb930c0986c85a9d7ef8837bcf7ec0c97
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f15d37bc8e53bd24144325745381f51643424fdbf19e27b342df4086d765f43
[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" "8f15d37bc8e53bd24144325745381f51643424fdbf19e27b342df4086d765f43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling enum_default v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.20s
[INFO] running `Command { std: "docker" "inspect" "8f15d37bc8e53bd24144325745381f51643424fdbf19e27b342df4086d765f43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f15d37bc8e53bd24144325745381f51643424fdbf19e27b342df4086d765f43", kill_on_drop: false }`
[INFO] [stdout] 8f15d37bc8e53bd24144325745381f51643424fdbf19e27b342df4086d765f43
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4fbf305868c1e1426af1050aee2cc273105eb7f15449a3ca174f440a59efc39
[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" "f4fbf305868c1e1426af1050aee2cc273105eb7f15449a3ca174f440a59efc39", kill_on_drop: false }`
[INFO] [stderr]    Compiling enum_default v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Second`
[INFO] [stdout]  --> examples/test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Second,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `First`
[INFO] [stdout]   --> examples/test.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     First,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "f4fbf305868c1e1426af1050aee2cc273105eb7f15449a3ca174f440a59efc39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fbf305868c1e1426af1050aee2cc273105eb7f15449a3ca174f440a59efc39", kill_on_drop: false }`
[INFO] [stdout] f4fbf305868c1e1426af1050aee2cc273105eb7f15449a3ca174f440a59efc39
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 56258c5ec250e01e9319097d5dce8912f5d3538bf47fd15dba7db649786eb5d4
[INFO] running `Command { std: "docker" "start" "-a" "56258c5ec250e01e9319097d5dce8912f5d3538bf47fd15dba7db649786eb5d4", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Second`
[INFO] [stderr]  --> examples/test.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Second,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `First`
[INFO] [stderr]   --> examples/test.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     First,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enum_default-f7923fd81fb89dfc
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enum_default
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "56258c5ec250e01e9319097d5dce8912f5d3538bf47fd15dba7db649786eb5d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56258c5ec250e01e9319097d5dce8912f5d3538bf47fd15dba7db649786eb5d4", kill_on_drop: false }`
[INFO] [stdout] 56258c5ec250e01e9319097d5dce8912f5d3538bf47fd15dba7db649786eb5d4