[INFO] cloning repository https://github.com/Tenzenmaster/crafting
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tenzenmaster/crafting" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTenzenmaster%2Fcrafting", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTenzenmaster%2Fcrafting'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72f3ccf4e12c91defb6b6d67185e9ac7b70cfa71
[INFO] checking Tenzenmaster/crafting against try#8c500c7cefd54fd11d57295f3771d576be9ee415 for pr-145113
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTenzenmaster%2Fcrafting" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tenzenmaster/crafting
[INFO] finished tweaking git repo https://github.com/Tenzenmaster/crafting
[INFO] tweaked toml for git repo https://github.com/Tenzenmaster/crafting written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tenzenmaster/crafting on toolchain 8c500c7cefd54fd11d57295f3771d576be9ee415
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tenzenmaster/crafting 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" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a3b5c10ecb98743f19fe1405b94c68e4b2f66e577929b0138ee36c502e9560e
[INFO] running `Command { std: "docker" "start" "-a" "3a3b5c10ecb98743f19fe1405b94c68e4b2f66e577929b0138ee36c502e9560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a3b5c10ecb98743f19fe1405b94c68e4b2f66e577929b0138ee36c502e9560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a3b5c10ecb98743f19fe1405b94c68e4b2f66e577929b0138ee36c502e9560e", kill_on_drop: false }`
[INFO] [stdout] 3a3b5c10ecb98743f19fe1405b94c68e4b2f66e577929b0138ee36c502e9560e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+8c500c7cefd54fd11d57295f3771d576be9ee415" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 761ca82653eb45a6aad7c16c5bd3102b2f92001458ef6206f55693c5374220dc
[INFO] running `Command { std: "docker" "start" "-a" "761ca82653eb45a6aad7c16c5bd3102b2f92001458ef6206f55693c5374220dc", kill_on_drop: false }`
[INFO] [stderr]     Checking crafting v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/compile.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn compile(mut self) -> Result<Chunk, &'static str> {
[INFO] [stdout]    |            -------              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Chunk, &str>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<chunk::Chunk, &'static str>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/compile.rs:18:33
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn compile(mut self) -> Result<Chunk, &'static str> {
[INFO] [stdout]    |            -------              ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result<Chunk, &str>`, found `()`
[INFO] [stdout]    |            |
[INFO] [stdout]    |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note:   expected enum `Result<chunk::Chunk, &'static str>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crafting` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crafting` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "761ca82653eb45a6aad7c16c5bd3102b2f92001458ef6206f55693c5374220dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "761ca82653eb45a6aad7c16c5bd3102b2f92001458ef6206f55693c5374220dc", kill_on_drop: false }`
[INFO] [stdout] 761ca82653eb45a6aad7c16c5bd3102b2f92001458ef6206f55693c5374220dc