[INFO] cloning repository https://github.com/boxdot/gerritbot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boxdot/gerritbot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fgerritbot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fgerritbot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 922594e14207eba9877227347909f267acde6bb6
[INFO] checking boxdot/gerritbot-rs against try#88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c for pr-154887
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fgerritbot-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/boxdot/gerritbot-rs
[INFO] finished tweaking git repo https://github.com/boxdot/gerritbot-rs
[INFO] tweaked toml for git repo https://github.com/boxdot/gerritbot-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/boxdot/gerritbot-rs on toolchain 88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/boxdot/gerritbot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f671e28a3a2af9d63444a0c620e56826b7e96d32803b1a031dd38923955ea1
[INFO] running `Command { std: "docker" "start" "-a" "f5f671e28a3a2af9d63444a0c620e56826b7e96d32803b1a031dd38923955ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f671e28a3a2af9d63444a0c620e56826b7e96d32803b1a031dd38923955ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f671e28a3a2af9d63444a0c620e56826b7e96d32803b1a031dd38923955ea1", kill_on_drop: false }`
[INFO] [stdout] f5f671e28a3a2af9d63444a0c620e56826b7e96d32803b1a031dd38923955ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+88b8a1c6e3a6f6f8a2ed6b6a9a74e0ef1862f72c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e2f6b73ab7a7cea6f360fdb3209acd6a5d913ea3fd13d00332d4bd64909d48
[INFO] running `Command { std: "docker" "start" "-a" "64e2f6b73ab7a7cea6f360fdb3209acd6a5d913ea3fd13d00332d4bd64909d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stderr]    Compiling rlua v0.16.3
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[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling openssl-macros v0.1.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking failure v0.1.8
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[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.16.3/src/context.rs:911:14
[INFO] [stdout]     |
[INFO] [stdout] 911 |         self.call(())?;
[INFO] [stdout]     |              ^^^^ the trait `UserData` is not implemented for `!`
[INFO] [stdout]     |
[INFO] [stdout] help: this trait has no implementations, consider adding one
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.16.3/src/userdata.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | pub trait UserData: Sized {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: required for `!` to implement `FromLua<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.16.3/src/conversion.rs:130:43
[INFO] [stdout]     |
[INFO] [stdout] 130 | impl<'lua, T: 'static + UserData + Clone> FromLua<'lua> for T {
[INFO] [stdout]     |                         --------          ^^^^^^^^^^^^^     ^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         unsatisfied trait bound introduced here
[INFO] [stdout] note: required for `!` to implement `FromLuaMulti<'_>`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.16.3/src/multi.rs:35:30
[INFO] [stdout]     |
[INFO] [stdout]  35 | impl<'lua, T: FromLua<'lua>> FromLuaMulti<'lua> for T {
[INFO] [stdout]     |               -------------  ^^^^^^^^^^^^^^^^^^     ^
[INFO] [stdout]     |               |
[INFO] [stdout]     |               unsatisfied trait bound introduced here
[INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rlua-0.16.3/src/context.rs:939:41
[INFO] [stdout]     |
[INFO] [stdout] 939 |     pub fn call<A: ToLuaMulti<'lua>, R: FromLuaMulti<'lua>>(self, args: A) -> Result<R> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rlua` (lib) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "64e2f6b73ab7a7cea6f360fdb3209acd6a5d913ea3fd13d00332d4bd64909d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e2f6b73ab7a7cea6f360fdb3209acd6a5d913ea3fd13d00332d4bd64909d48", kill_on_drop: false }`
[INFO] [stdout] 64e2f6b73ab7a7cea6f360fdb3209acd6a5d913ea3fd13d00332d4bd64909d48