[INFO] fetching crate preftool-clap-derive 0.2.0...
[INFO] testing preftool-clap-derive-0.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate preftool-clap-derive 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate preftool-clap-derive 0.2.0 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 preftool-clap-derive 0.2.0
[INFO] finished tweaking crates.io crate preftool-clap-derive 0.2.0
[INFO] tweaked toml for crates.io crate preftool-clap-derive 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] de9ca556f7bf87e7508eaa22a85536ba59958c83f36950f7c272a0d1a0c41d32
[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" "de9ca556f7bf87e7508eaa22a85536ba59958c83f36950f7c272a0d1a0c41d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de9ca556f7bf87e7508eaa22a85536ba59958c83f36950f7c272a0d1a0c41d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9ca556f7bf87e7508eaa22a85536ba59958c83f36950f7c272a0d1a0c41d32", kill_on_drop: false }`
[INFO] [stdout] de9ca556f7bf87e7508eaa22a85536ba59958c83f36950f7c272a0d1a0c41d32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 37e0f2b480fa6ec6f2e6c9f703b6c030091c576d88a9d982e8a75e9db9b35cdd
[INFO] running `Command { std: "docker" "start" "-a" "37e0f2b480fa6ec6f2e6c9f703b6c030091c576d88a9d982e8a75e9db9b35cdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling preftool-clap-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "37e0f2b480fa6ec6f2e6c9f703b6c030091c576d88a9d982e8a75e9db9b35cdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e0f2b480fa6ec6f2e6c9f703b6c030091c576d88a9d982e8a75e9db9b35cdd", kill_on_drop: false }`
[INFO] [stdout] 37e0f2b480fa6ec6f2e6c9f703b6c030091c576d88a9d982e8a75e9db9b35cdd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 7df65d686b9e9298c5b6ae47d6914b0d0ce31fd0305506e65350f78910fdbb54
[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" "7df65d686b9e9298c5b6ae47d6914b0d0ce31fd0305506e65350f78910fdbb54", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling preftool v0.2.0
[INFO] [stderr]    Compiling preftool-clap v0.2.0
[INFO] [stderr]    Compiling preftool-clap-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `binding`
[INFO] [stdout]   --> tests/enum.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   binding: Binding,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]  --> tests/nested.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   host: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> tests/nested.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   port: usize,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cert`
[INFO] [stdout]   --> tests/nested.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   cert: Option<String>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `server`
[INFO] [stdout]   --> tests/nested.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   server: Server,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `host`
[INFO] [stdout]  --> tests/simple.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   host: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> tests/simple.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   port: usize,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cert`
[INFO] [stdout]   --> tests/simple.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |   cert: Option<String>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "7df65d686b9e9298c5b6ae47d6914b0d0ce31fd0305506e65350f78910fdbb54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7df65d686b9e9298c5b6ae47d6914b0d0ce31fd0305506e65350f78910fdbb54", kill_on_drop: false }`
[INFO] [stdout] 7df65d686b9e9298c5b6ae47d6914b0d0ce31fd0305506e65350f78910fdbb54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 5bf72f2bb5e06415622c4ca2abcf2adfc8dba87319ba65234270079f102131a6
[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" "5bf72f2bb5e06415622c4ca2abcf2adfc8dba87319ba65234270079f102131a6", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `binding`
[INFO] [stderr]   --> tests/enum.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   binding: Binding,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `host`
[INFO] [stderr]  --> tests/nested.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   host: String,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]   --> tests/nested.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   port: usize,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cert`
[INFO] [stderr]   --> tests/nested.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   cert: Option<String>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `server`
[INFO] [stderr]   --> tests/nested.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   server: Server,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `host`
[INFO] [stderr]  --> tests/simple.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 |   host: String,
[INFO] [stderr]   |   ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `port`
[INFO] [stderr]   --> tests/simple.rs:11:3
[INFO] [stderr]    |
[INFO] [stderr] 11 |   port: usize,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cert`
[INFO] [stderr]   --> tests/simple.rs:14:3
[INFO] [stderr]    |
[INFO] [stderr] 14 |   cert: Option<String>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/preftool_clap_derive-9701ac523904400c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/enum-cbeb32e7a5c223b9
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test sets_port ... ok
[INFO] [stdout] test sets_host ... ok
[INFO] [stdout] test sets_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nested-45f87f19fbb84d8b
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test sets_host ... ok
[INFO] [stdout] test sets_both ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple-5f4c9bedf8a1f068
[INFO] [stdout] test sets_port ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests preftool-clap-derive
[INFO] [stdout] test sets_both ... ok
[INFO] [stdout] test sets_host ... ok
[INFO] [stdout] test sets_port ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "5bf72f2bb5e06415622c4ca2abcf2adfc8dba87319ba65234270079f102131a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bf72f2bb5e06415622c4ca2abcf2adfc8dba87319ba65234270079f102131a6", kill_on_drop: false }`
[INFO] [stdout] 5bf72f2bb5e06415622c4ca2abcf2adfc8dba87319ba65234270079f102131a6