[INFO] fetching crate adante 0.2.1...
[INFO] testing adante-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate adante 0.2.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate adante 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adante 0.2.1
[INFO] finished tweaking crates.io crate adante 0.2.1
[INFO] tweaked toml for crates.io crate adante 0.2.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e43f7a2d340695706f99a66a46c86f806c83f978a7a311abdedb0fc4ffaca065
[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" "e43f7a2d340695706f99a66a46c86f806c83f978a7a311abdedb0fc4ffaca065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43f7a2d340695706f99a66a46c86f806c83f978a7a311abdedb0fc4ffaca065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43f7a2d340695706f99a66a46c86f806c83f978a7a311abdedb0fc4ffaca065", kill_on_drop: false }`
[INFO] [stdout] e43f7a2d340695706f99a66a46c86f806c83f978a7a311abdedb0fc4ffaca065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] 550153fb101d5aa62979bccc0121b4b3fb8f66a5192bf3256318c385822c90fb
[INFO] running `Command { std: "docker" "start" "-a" "550153fb101d5aa62979bccc0121b4b3fb8f66a5192bf3256318c385822c90fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling adante v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "550153fb101d5aa62979bccc0121b4b3fb8f66a5192bf3256318c385822c90fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550153fb101d5aa62979bccc0121b4b3fb8f66a5192bf3256318c385822c90fb", kill_on_drop: false }`
[INFO] [stdout] 550153fb101d5aa62979bccc0121b4b3fb8f66a5192bf3256318c385822c90fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "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] 7c7a62f601027904b57d378d439bc3e44cb99f29ddd2f1c53d2f91f229dce077
[INFO] running `Command { std: "docker" "start" "-a" "7c7a62f601027904b57d378d439bc3e44cb99f29ddd2f1c53d2f91f229dce077", kill_on_drop: false }`
[INFO] [stderr]    Compiling adante v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `FlagVal`
[INFO] [stdout]  --> src/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     FlagVal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NoFlagVal`
[INFO] [stdout]  --> src/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     NoFlagVal,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `NotRecognized`
[INFO] [stdout]  --> src/tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     NotRecognized,
[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 0.86s
[INFO] running `Command { std: "docker" "inspect" "7c7a62f601027904b57d378d439bc3e44cb99f29ddd2f1c53d2f91f229dce077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7a62f601027904b57d378d439bc3e44cb99f29ddd2f1c53d2f91f229dce077", kill_on_drop: false }`
[INFO] [stdout] 7c7a62f601027904b57d378d439bc3e44cb99f29ddd2f1c53d2f91f229dce077
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e75a7ee7a6b562ac95e51728baa1a3802135eb34d82bca3f5040df4dc8334b19
[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" "e75a7ee7a6b562ac95e51728baa1a3802135eb34d82bca3f5040df4dc8334b19", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `FlagVal`
[INFO] [stdout] running 10 tests
[INFO] [stderr]  --> src/tests.rs:6:5
[INFO] [stdout] test tests::parse_flag_val_from_str ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::parse_val_flag ... ok
[INFO] [stderr] 6 |     FlagVal,
[INFO] [stdout] test tests::parse_noval_flag ... ok
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stdout] test tests::parse_flag_key_from_str ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::parse_action_from_str ... ok
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test tests::parse_action ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::no_misinterpret_flag_as_action ... ok
[INFO] [stderr] warning: variant is never constructed: `NoFlagVal`
[INFO] [stdout] test tests::flag_from_str ... ok
[INFO] [stderr]  --> src/tests.rs:7:5
[INFO] [stdout] test tests::action_from_str ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::no_misinterpret_action_as_flag ... ok
[INFO] [stderr] 7 |     NoFlagVal,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `NotRecognized`
[INFO] [stderr]  --> src/tests.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     NotRecognized,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `adante` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/adante-d8767d41f1bd0f05)
[INFO] [stderr]    Doc-tests adante
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 62) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 78) ... ok
[INFO] [stdout] test src/lib.rs - Error::handle (line 193) ... ok
[INFO] [stdout] test src/lib.rs - ArgumentType::from_str (line 131) ... ok
[INFO] [stdout] test src/lib.rs - Arguments<F, A>::new (line 281) ... ok
[INFO] [stdout] test src/lib.rs - Error::as_str (line 225) ... ok
[INFO] [stdout] test src/lib.rs - Arguments<F, A>::parse (line 334) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e75a7ee7a6b562ac95e51728baa1a3802135eb34d82bca3f5040df4dc8334b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e75a7ee7a6b562ac95e51728baa1a3802135eb34d82bca3f5040df4dc8334b19", kill_on_drop: false }`
[INFO] [stdout] e75a7ee7a6b562ac95e51728baa1a3802135eb34d82bca3f5040df4dc8334b19