[INFO] cloning repository https://github.com/cuiweixie/rust-stdlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cuiweixie/rust-stdlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiweixie%2Frust-stdlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiweixie%2Frust-stdlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f17709f5d2cfb96a7b7054503427c6a5c68dce99
[INFO] checking cuiweixie/rust-stdlib against 65b20a97de33e9e59992793a144aef2950c48c76 for pr-154715
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcuiweixie%2Frust-stdlib" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cuiweixie/rust-stdlib
[INFO] finished tweaking git repo https://github.com/cuiweixie/rust-stdlib
[INFO] tweaked toml for git repo https://github.com/cuiweixie/rust-stdlib written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cuiweixie/rust-stdlib on toolchain 65b20a97de33e9e59992793a144aef2950c48c76
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cuiweixie/rust-stdlib 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" "+65b20a97de33e9e59992793a144aef2950c48c76" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6
[INFO] running `Command { std: "docker" "start" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6" "/opt/rustwide/cargo-home/bin/cargo" "+65b20a97de33e9e59992793a144aef2950c48c76" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-stdlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/try_trait.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T> Try for MyResult<T> {
[INFO] [stdout]    |         ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0404]: expected trait, found trait alias `Try`
[INFO] [stdout]   --> src/try_trait.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T> Try for MyResult<T> {
[INFO] [stdout]    |         ^^^ not a trait
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]    |                                  ^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]    |                                          ^^^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]    |                                                          ^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0404, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0404`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-stdlib` (bin "try_trait") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn from_output(output: Self::Output) -> Self {
[INFO] [stdout]    |                                  ^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant named `Residual` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:32:42
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Residual` not found here
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]    |                                          ^^^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-stdlib` (bin "try_trait" test) due to 4 previous errors
[INFO] [stdout] error[E0599]: no variant named `Output` found for enum `MyResult<T>`
[INFO] [stdout]   --> src/try_trait.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout]  8 | enum MyResult<T> {
[INFO] [stdout]    | ---------------- variant `Output` not found here
[INFO] [stdout] ...
[INFO] [stdout] 32 |     fn branch(self) -> ControlFlow<Self::Residual, Self::Output> {
[INFO] [stdout]    |                                                          ^^^^^^ variant not found in `MyResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0404, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0404`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6", kill_on_drop: false }`
[INFO] [stdout] 5966d3a68225c316fb2a04fc74f96f7e89f2f8185cf6274eb36b1f71489b77d6
