[INFO] fetching crate clishe 0.2.4...
[INFO] testing clishe-0.2.4 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate clishe 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate clishe 0.2.4 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 clishe 0.2.4
[INFO] finished tweaking crates.io crate clishe 0.2.4
[INFO] tweaked toml for crates.io crate clishe 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate clishe 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste-impl v0.1.15
[INFO] [stderr]   Downloaded paste v0.1.15
[INFO] [stderr]   Downloaded shellwords v1.0.0
[INFO] [stderr]   Downloaded rustyline v5.0.6
[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" "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] 948fe9eb5cf8f8a45d604a82266a1f7d895f65613cf8732e9ffca1b3536d6527
[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" "948fe9eb5cf8f8a45d604a82266a1f7d895f65613cf8732e9ffca1b3536d6527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "948fe9eb5cf8f8a45d604a82266a1f7d895f65613cf8732e9ffca1b3536d6527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "948fe9eb5cf8f8a45d604a82266a1f7d895f65613cf8732e9ffca1b3536d6527", kill_on_drop: false }`
[INFO] [stdout] 948fe9eb5cf8f8a45d604a82266a1f7d895f65613cf8732e9ffca1b3536d6527
[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" "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] [stdout] cb081066434f0274b02105da8d24d697b7ad5e2855d40d1ac69d236a657c9789
[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" "cb081066434f0274b02105da8d24d697b7ad5e2855d40d1ac69d236a657c9789", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rustyline v5.0.6
[INFO] [stderr]    Compiling shellwords v1.0.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling paste-impl v0.1.15
[INFO] [stderr]    Compiling paste v0.1.15
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling clishe v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "cb081066434f0274b02105da8d24d697b7ad5e2855d40d1ac69d236a657c9789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb081066434f0274b02105da8d24d697b7ad5e2855d40d1ac69d236a657c9789", kill_on_drop: false }`
[INFO] [stdout] cb081066434f0274b02105da8d24d697b7ad5e2855d40d1ac69d236a657c9789
[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" "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] [stdout] 9460c3a319c43ea13bd9850e30a6da45cdb3dc18f6344f98d4792bfae33922fb
[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" "9460c3a319c43ea13bd9850e30a6da45cdb3dc18f6344f98d4792bfae33922fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling clishe v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/complete.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Option<String>: FromStr` is not satisfied
[INFO] [stdout]    --> examples/complete.rs:115:13
[INFO] [stdout]     |
[INFO] [stdout] 115 |             name: Option<String>,
[INFO] [stdout]     |             ^^^^ the trait `FromStr` is not implemented for `Option<String>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required by `std::str::FromStr::from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Option<String>: FromStr` is not satisfied
[INFO] [stdout]    --> examples/complete.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout] 97  | /     commands! {
[INFO] [stdout] 98  | |         Carrots(self, _ctx: &mut crate::Context) -> Result<crate::Returned> {
[INFO] [stdout] 99  | |             Ok(crate::Returned)
[INFO] [stdout] 100 | |         } struct {
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |         },
[INFO] [stdout] 117 | |     }
[INFO] [stdout]     | |_____^ the trait `FromStr` is not implemented for `Option<String>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: required by `std::str::FromStr::from_str`
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clishe`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9460c3a319c43ea13bd9850e30a6da45cdb3dc18f6344f98d4792bfae33922fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9460c3a319c43ea13bd9850e30a6da45cdb3dc18f6344f98d4792bfae33922fb", kill_on_drop: false }`
[INFO] [stdout] 9460c3a319c43ea13bd9850e30a6da45cdb3dc18f6344f98d4792bfae33922fb