[INFO] cloning repository https://github.com/coffeecup-winner/rusted-drums
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coffeecup-winner/rusted-drums" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffeecup-winner%2Frusted-drums", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffeecup-winner%2Frusted-drums'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc3facf0a5711d738ca9b8cac2ebb201e092e2f6
[INFO] checking coffeecup-winner/rusted-drums against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoffeecup-winner%2Frusted-drums" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coffeecup-winner/rusted-drums
[INFO] finished tweaking git repo https://github.com/coffeecup-winner/rusted-drums
[INFO] tweaked toml for git repo https://github.com/coffeecup-winner/rusted-drums written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coffeecup-winner/rusted-drums on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coffeecup-winner/rusted-drums 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded mlua v0.5.3
[INFO] [stderr]   Downloaded midly v0.5.1
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded lua-src v542.0.0
[INFO] [stderr]   Downloaded luajit-src v210.1.2+resty29a66f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a510e6b37361f5b917d2c68628c0081a4de127ba6369ec2e26ad61f660e756a5
[INFO] running `Command { std: "docker" "start" "-a" "a510e6b37361f5b917d2c68628c0081a4de127ba6369ec2e26ad61f660e756a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a510e6b37361f5b917d2c68628c0081a4de127ba6369ec2e26ad61f660e756a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a510e6b37361f5b917d2c68628c0081a4de127ba6369ec2e26ad61f660e756a5", kill_on_drop: false }`
[INFO] [stdout] a510e6b37361f5b917d2c68628c0081a4de127ba6369ec2e26ad61f660e756a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 199640151a9cf32f443bbe2c8a3f969ff38d3e24c18e6fd5d3e454ee5300a4a9
[INFO] running `Command { std: "docker" "start" "-a" "199640151a9cf32f443bbe2c8a3f969ff38d3e24c18e6fd5d3e454ee5300a4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking midly v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling luajit-src v210.1.2+resty29a66f7
[INFO] [stderr]    Compiling lua-src v542.0.0
[INFO] [stderr]    Compiling mlua v0.5.3
[INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mlua-0.5.3/src/lua.rs:1961:14
[INFO] [stdout]      |
[INFO] [stdout] 1961 |         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/mlua-0.5.3/src/userdata.rs:366:1
[INFO] [stdout]      |
[INFO] [stdout]  366 | 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/mlua-0.5.3/src/conversion.rs:132:43
[INFO] [stdout]      |
[INFO] [stdout]  132 | 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/mlua-0.5.3/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/mlua-0.5.3/src/lua.rs:2036:41
[INFO] [stdout]      |
[INFO] [stdout] 2036 |     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 `mlua` (lib) due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "199640151a9cf32f443bbe2c8a3f969ff38d3e24c18e6fd5d3e454ee5300a4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "199640151a9cf32f443bbe2c8a3f969ff38d3e24c18e6fd5d3e454ee5300a4a9", kill_on_drop: false }`
[INFO] [stdout] 199640151a9cf32f443bbe2c8a3f969ff38d3e24c18e6fd5d3e454ee5300a4a9
