[INFO] fetching crate arg_combinators 0.6.0...
[INFO] testing arg_combinators-0.6.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate arg_combinators 0.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate arg_combinators 0.6.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arg_combinators 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arg_combinators 0.6.0
[INFO] tweaked toml for crates.io crate arg_combinators 0.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 572a61b7562d2030ed02d1205d2541f924131b367e92b0877690731ebe83b38a
[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" "572a61b7562d2030ed02d1205d2541f924131b367e92b0877690731ebe83b38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "572a61b7562d2030ed02d1205d2541f924131b367e92b0877690731ebe83b38a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572a61b7562d2030ed02d1205d2541f924131b367e92b0877690731ebe83b38a", kill_on_drop: false }`
[INFO] [stdout] 572a61b7562d2030ed02d1205d2541f924131b367e92b0877690731ebe83b38a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 9f38c89c6945c230b969d57fd2369bc49ded6051fc578da90e0db7ef50d2e726
[INFO] running `Command { std: "docker" "start" "-a" "9f38c89c6945c230b969d57fd2369bc49ded6051fc578da90e0db7ef50d2e726", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "9f38c89c6945c230b969d57fd2369bc49ded6051fc578da90e0db7ef50d2e726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f38c89c6945c230b969d57fd2369bc49ded6051fc578da90e0db7ef50d2e726", kill_on_drop: false }`
[INFO] [stdout] 9f38c89c6945c230b969d57fd2369bc49ded6051fc578da90e0db7ef50d2e726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed1c03487b1de9342f9aa01bee4d8d0997752a282d5b5ac1d47223ef125cae35
[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" "ed1c03487b1de9342f9aa01bee4d8d0997752a282d5b5ac1d47223ef125cae35", kill_on_drop: false }`
[INFO] [stderr]    Compiling arg_combinators v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]  --> examples/dimensions.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Window { width: u32, height: u32 },
[INFO] [stdout]   |              ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Dimensions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> examples/dimensions.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> examples/dimensions.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Window { width: u32, height: u32 },
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: `Dimensions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]  --> examples/dimensions.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[derive(Debug, Clone)]
[INFO] [stdout]   |          ^^^^^  ^^^^^
[INFO] [stdout]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.38s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/arg_combinators-5074ef232425c6f1)
[INFO] running `Command { std: "docker" "inspect" "ed1c03487b1de9342f9aa01bee4d8d0997752a282d5b5ac1d47223ef125cae35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed1c03487b1de9342f9aa01bee4d8d0997752a282d5b5ac1d47223ef125cae35", kill_on_drop: false }`
[INFO] [stdout] ed1c03487b1de9342f9aa01bee4d8d0997752a282d5b5ac1d47223ef125cae35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 58fb2b49960155e5235c65d31f4797db7ce6891003ef36fe2527d6ce48011490
[INFO] running `Command { std: "docker" "start" "-a" "58fb2b49960155e5235c65d31f4797db7ce6891003ef36fe2527d6ce48011490", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]  --> examples/dimensions.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Window { width: u32, height: u32 },
[INFO] [stderr]   |              ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Dimensions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> examples/dimensions.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]  --> examples/dimensions.rs:9:26
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Window { width: u32, height: u32 },
[INFO] [stderr]   |                          ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: `Dimensions` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]  --> examples/dimensions.rs:6:10
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[derive(Debug, Clone)]
[INFO] [stderr]   |          ^^^^^  ^^^^^
[INFO] [stderr]   = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `arg_combinators` (example "dimensions") generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arg_combinators-5074ef232425c6f1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::deep_recursion ... ok
[INFO] [stdout] test tests::validation ... ok
[INFO] [stdout] test tests::basic ... ok
[INFO] [stderr]    Doc-tests arg_combinators
[INFO] [stdout] test tests::basic_macros ... ok
[INFO] [stdout] test tests::args_all_depend ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "58fb2b49960155e5235c65d31f4797db7ce6891003ef36fe2527d6ce48011490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58fb2b49960155e5235c65d31f4797db7ce6891003ef36fe2527d6ce48011490", kill_on_drop: false }`
[INFO] [stdout] 58fb2b49960155e5235c65d31f4797db7ce6891003ef36fe2527d6ce48011490