[INFO] fetching crate constructor-macro 0.4.2...
[INFO] testing constructor-macro-0.4.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate constructor-macro 0.4.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate constructor-macro 0.4.2 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 constructor-macro 0.4.2
[INFO] finished tweaking crates.io crate constructor-macro 0.4.2
[INFO] tweaked toml for crates.io crate constructor-macro 0.4.2 written to /workspace/builds/worker-6/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-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" "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] 926a817af171e83e82ffd6049165b6349a83781dcef6de3723fc1346cd254f0f
[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" "926a817af171e83e82ffd6049165b6349a83781dcef6de3723fc1346cd254f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "926a817af171e83e82ffd6049165b6349a83781dcef6de3723fc1346cd254f0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "926a817af171e83e82ffd6049165b6349a83781dcef6de3723fc1346cd254f0f", kill_on_drop: false }`
[INFO] [stdout] 926a817af171e83e82ffd6049165b6349a83781dcef6de3723fc1346cd254f0f
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 10941ce5d722c8bd3a22127d6e86c61bf42b944f1b966135589c05f870af1258
[INFO] running `Command { std: "docker" "start" "-a" "10941ce5d722c8bd3a22127d6e86c61bf42b944f1b966135589c05f870af1258", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling constructor-macro v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "10941ce5d722c8bd3a22127d6e86c61bf42b944f1b966135589c05f870af1258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10941ce5d722c8bd3a22127d6e86c61bf42b944f1b966135589c05f870af1258", kill_on_drop: false }`
[INFO] [stdout] 10941ce5d722c8bd3a22127d6e86c61bf42b944f1b966135589c05f870af1258
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd09db29ab62f8f54dfd9b8207c0ecfdd9c82f6024c468d1cbf7fe10ffe3a138
[INFO] running `Command { std: "docker" "start" "-a" "fd09db29ab62f8f54dfd9b8207c0ecfdd9c82f6024c468d1cbf7fe10ffe3a138", kill_on_drop: false }`
[INFO] [stderr]    Compiling constructor-macro v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]   --> tests/default_value.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Right,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]    --> tests/default_value.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         Right(usize),
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Right`
[INFO] [stdout]    --> tests/default_value.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 122 |         Right { value: usize },
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "fd09db29ab62f8f54dfd9b8207c0ecfdd9c82f6024c468d1cbf7fe10ffe3a138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd09db29ab62f8f54dfd9b8207c0ecfdd9c82f6024c468d1cbf7fe10ffe3a138", kill_on_drop: false }`
[INFO] [stdout] fd09db29ab62f8f54dfd9b8207c0ecfdd9c82f6024c468d1cbf7fe10ffe3a138
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 452b38dd62352cbb1d2ab1369c65d1ac73654d8614dd00e58e1efb57a2b86bbc
[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" "452b38dd62352cbb1d2ab1369c65d1ac73654d8614dd00e58e1efb57a2b86bbc", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]   --> tests/default_value.rs:86:9
[INFO] [stderr]    |
[INFO] [stderr] 86 |         Right,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]    --> tests/default_value.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         Right(usize),
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Right`
[INFO] [stderr]    --> tests/default_value.rs:122:9
[INFO] [stderr]     |
[INFO] [stderr] 122 |         Right { value: usize },
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/constructor_macro-5dbdeac5a5f4890c
[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] [stderr]      Running /opt/rustwide/target/debug/deps/construct-30d07e53b18fb4f0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test struct_with_named_fields ... ok
[INFO] [stdout] test unit_struct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/default_value-60f2e908edf155c0
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test unit_struct ... ok
[INFO] [stdout] test tuple_struct ... ok
[INFO] [stdout] test c_enum ... ok
[INFO] [stdout] test enum_struct_variant ... ok
[INFO] [stdout] test integers ... ok
[INFO] [stdout] test values ... ok
[INFO] [stdout] test r#struct ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/module-b5ff06b0178b48d1
[INFO] [stdout] test enum_tuple_variant ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test module ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests constructor-macro
[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" "452b38dd62352cbb1d2ab1369c65d1ac73654d8614dd00e58e1efb57a2b86bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "452b38dd62352cbb1d2ab1369c65d1ac73654d8614dd00e58e1efb57a2b86bbc", kill_on_drop: false }`
[INFO] [stdout] 452b38dd62352cbb1d2ab1369c65d1ac73654d8614dd00e58e1efb57a2b86bbc