[INFO] fetching crate formations 0.1.0...
[INFO] testing formations-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate formations 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate formations 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate formations 0.1.0
[INFO] finished tweaking crates.io crate formations 0.1.0
[INFO] tweaked toml for crates.io crate formations 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate formations 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termsize v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 325ee6ea7dd3ce60a28a0be646bc752a8cedf0010948ef7f21e0fc214a5c34c7
[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" "325ee6ea7dd3ce60a28a0be646bc752a8cedf0010948ef7f21e0fc214a5c34c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "325ee6ea7dd3ce60a28a0be646bc752a8cedf0010948ef7f21e0fc214a5c34c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325ee6ea7dd3ce60a28a0be646bc752a8cedf0010948ef7f21e0fc214a5c34c7", kill_on_drop: false }`
[INFO] [stdout] 325ee6ea7dd3ce60a28a0be646bc752a8cedf0010948ef7f21e0fc214a5c34c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "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] d649a464f54435bb7a9a32932e6c1388c7b66cee5b7d84ce938835b9fdd3eb9d
[INFO] running `Command { std: "docker" "start" "-a" "d649a464f54435bb7a9a32932e6c1388c7b66cee5b7d84ce938835b9fdd3eb9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termsize v0.1.6
[INFO] [stderr]    Compiling formations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "d649a464f54435bb7a9a32932e6c1388c7b66cee5b7d84ce938835b9fdd3eb9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d649a464f54435bb7a9a32932e6c1388c7b66cee5b7d84ce938835b9fdd3eb9d", kill_on_drop: false }`
[INFO] [stdout] d649a464f54435bb7a9a32932e6c1388c7b66cee5b7d84ce938835b9fdd3eb9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b44c996f9f386f0c1bbc141bff83087b9a7fcf7fe7f9b0f3cc8cf414cab7fc6
[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" "3b44c996f9f386f0c1bbc141bff83087b9a7fcf7fe7f9b0f3cc8cf414cab7fc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling formations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "3b44c996f9f386f0c1bbc141bff83087b9a7fcf7fe7f9b0f3cc8cf414cab7fc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b44c996f9f386f0c1bbc141bff83087b9a7fcf7fe7f9b0f3cc8cf414cab7fc6", kill_on_drop: false }`
[INFO] [stdout] 3b44c996f9f386f0c1bbc141bff83087b9a7fcf7fe7f9b0f3cc8cf414cab7fc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.60.0" "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] 310d135b5923b8faca7a1a15b1943c99cfc4a406dfc2bbd06adb7e0abd2d9a76
[INFO] running `Command { std: "docker" "start" "-a" "310d135b5923b8faca7a1a15b1943c99cfc4a406dfc2bbd06adb7e0abd2d9a76", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/formations-1da0b6df48ac6141)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests formations
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 12) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:18:33
[INFO] [stdout]   |
[INFO] [stdout] 8 |         FormElement::new("cat", "Small mammal with fur"),
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^^ expected enum `Option`, found `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<_>`
[INFO] [stdout]           found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]   |
[INFO] [stdout] 8 |         FormElement::new("cat", Some("Small mammal with fur")),
[INFO] [stdout]   |                                 +++++                       +
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:19:33
[INFO] [stdout]   |
[INFO] [stdout] 9 |         FormElement::new("dog", "Likes a bone"),
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^ expected enum `Option`, found `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = note:   expected enum `Option<_>`
[INFO] [stdout]           found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]   |
[INFO] [stdout] 9 |         FormElement::new("dog", Some("Likes a bone")),
[INFO] [stdout]   |                                 +++++              +
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:20:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |         FormElement::new("mouse", "Likes cheese"),
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^ expected enum `Option`, found `&str`
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Option<_>`
[INFO] [stdout]            found reference `&'static str`
[INFO] [stdout] help: try wrapping the expression in `Some`
[INFO] [stdout]    |
[INFO] [stdout] 10 |         FormElement::new("mouse", Some("Likes cheese")),
[INFO] [stdout]    |                                   +++++              +
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "310d135b5923b8faca7a1a15b1943c99cfc4a406dfc2bbd06adb7e0abd2d9a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310d135b5923b8faca7a1a15b1943c99cfc4a406dfc2bbd06adb7e0abd2d9a76", kill_on_drop: false }`
[INFO] [stdout] 310d135b5923b8faca7a1a15b1943c99cfc4a406dfc2bbd06adb7e0abd2d9a76