[INFO] updating cached repository https://github.com/counterbeing/try_from_error
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
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[INFO] [stdout] d5eb75a47ad42558f149b6de8d3ae75e715b6199
[INFO] testing counterbeing/try_from_error against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcounterbeing%2Ftry_from_error" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/counterbeing/try_from_error on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/counterbeing/try_from_error
[INFO] finished tweaking git repo https://github.com/counterbeing/try_from_error
[INFO] tweaked toml for git repo https://github.com/counterbeing/try_from_error written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/counterbeing/try_from_error already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2cb95e738bf5d86880f023f5d9146e8afcae24a79ff53bc2b599bcccb141a10
[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" "e2cb95e738bf5d86880f023f5d9146e8afcae24a79ff53bc2b599bcccb141a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2cb95e738bf5d86880f023f5d9146e8afcae24a79ff53bc2b599bcccb141a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2cb95e738bf5d86880f023f5d9146e8afcae24a79ff53bc2b599bcccb141a10", kill_on_drop: false }`
[INFO] [stdout] e2cb95e738bf5d86880f023f5d9146e8afcae24a79ff53bc2b599bcccb141a10
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cfa8e68ba804f5f98902404a80bac6ac5d0686bb6a3d4cf33fb5f84b4271715
[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" "6cfa8e68ba804f5f98902404a80bac6ac5d0686bb6a3d4cf33fb5f84b4271715", kill_on_drop: false }`
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[INFO] [stdout] error[E0277]: the trait bound `url::Url: slack_hook::TryFrom<std::string::String>` is not satisfied
[INFO] [stdout]   --> src/main.rs:7:25
[INFO] [stdout]    |
[INFO] [stdout] 7  |             let slack = Slack::new(hook).unwrap();
[INFO] [stdout]    |                         ^^^^^^^^^^ the trait `slack_hook::TryFrom<std::string::String>` is not implemented for `url::Url`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slack-hook-0.8.0/src/slack.rs:17:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn new<T: TryInto<Url, Err = Error>>(hook: T) -> Result<Slack> {
[INFO] [stdout]    |                   ------------------------- required by this bound in `slack_hook::Slack::new`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <url::Url as slack_hook::TryFrom<&'a str>>
[INFO] [stdout]    = note: required because of the requirements on the impl of `slack_hook::TryInto<url::Url>` for `std::string::String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `try_from_error`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "6cfa8e68ba804f5f98902404a80bac6ac5d0686bb6a3d4cf33fb5f84b4271715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfa8e68ba804f5f98902404a80bac6ac5d0686bb6a3d4cf33fb5f84b4271715", kill_on_drop: false }`
[INFO] [stdout] 6cfa8e68ba804f5f98902404a80bac6ac5d0686bb6a3d4cf33fb5f84b4271715