[INFO] fetching crate roland-rs 0.1.0... [INFO] testing roland-rs-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2 [INFO] extracting crate roland-rs 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate roland-rs 0.1.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate roland-rs 0.1.0 [INFO] tweaked toml for crates.io crate roland-rs 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate roland-rs 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate roland-rs 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8181aabe3dad46d24d246a9d2f633fd56921258476a04c395262a895d701f92f [INFO] running `Command { std: "docker" "start" "-a" "8181aabe3dad46d24d246a9d2f633fd56921258476a04c395262a895d701f92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8181aabe3dad46d24d246a9d2f633fd56921258476a04c395262a895d701f92f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8181aabe3dad46d24d246a9d2f633fd56921258476a04c395262a895d701f92f", kill_on_drop: false }` [INFO] [stdout] 8181aabe3dad46d24d246a9d2f633fd56921258476a04c395262a895d701f92f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 775a627f13be50f4ca3f464430330a9630746cb989c22f5421dfe8f5c272d4a7 [INFO] running `Command { std: "docker" "start" "-a" "775a627f13be50f4ca3f464430330a9630746cb989c22f5421dfe8f5c272d4a7", kill_on_drop: false }` [INFO] [stderr] Compiling roland-core v0.1.0 [INFO] [stderr] Compiling roland-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `roland_core::*` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use roland_core::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "775a627f13be50f4ca3f464430330a9630746cb989c22f5421dfe8f5c272d4a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "775a627f13be50f4ca3f464430330a9630746cb989c22f5421dfe8f5c272d4a7", kill_on_drop: false }` [INFO] [stdout] 775a627f13be50f4ca3f464430330a9630746cb989c22f5421dfe8f5c272d4a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d568e445d1301e1e8f60069e32039c861bbf977223aa9bdcf3f360148e28bf16 [INFO] running `Command { std: "docker" "start" "-a" "d568e445d1301e1e8f60069e32039c861bbf977223aa9bdcf3f360148e28bf16", kill_on_drop: false }` [INFO] [stderr] Compiling roland-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `roland_core::*` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use roland_core::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `roland_core::*` [INFO] [stdout] --> src/lib.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | pub use roland_core::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:29:39 [INFO] [stdout] | [INFO] [stdout] 29 | .map_err(|e| RolandError::Communication(format!("Failed to connect: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:33:39 [INFO] [stdout] | [INFO] [stdout] 33 | .map_err(|e| RolandError::Communication(format!("Failed to set timeout: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:37:39 [INFO] [stdout] | [INFO] [stdout] 37 | .map_err(|e| RolandError::Communication(format!("Failed to set timeout: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:59:39 [INFO] [stdout] | [INFO] [stdout] 59 | .map_err(|e| RolandError::Communication(format!("Failed to send command: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:61:39 [INFO] [stdout] | [INFO] [stdout] 61 | .map_err(|e| RolandError::Communication(format!("Failed to flush: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:73:39 [INFO] [stdout] | [INFO] [stdout] 73 | .map_err(|e| RolandError::Communication(format!("Failed to read response: {}", e)))?; [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no variant or associated item named `Communication` found for enum `RolandError` in the current scope [INFO] [stdout] --> examples/telnet_client.rs:76:37 [INFO] [stdout] | [INFO] [stdout] 76 | return Err(RolandError::Communication("Connection closed".to_string())); [INFO] [stdout] | ^^^^^^^^^^^^^ variant or associated item not found in `RolandError` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `?` couldn't convert the error: `RolandError: std::error::Error` is not satisfied [INFO] [stdout] --> examples/telnet_client.rs:173:55 [INFO] [stdout] | [INFO] [stdout] 157 | fn main() -> Result<(), Box> { [INFO] [stdout] | -------------------------------------- required `RolandError: std::error::Error` because of this [INFO] [stdout] ... [INFO] [stdout] 173 | let mut client = TelnetClient::connect(host, port)?; [INFO] [stdout] | ---------------------------------^ the trait `std::error::Error` is not implemented for `RolandError` [INFO] [stdout] | | [INFO] [stdout] | this has type `Result<_, RolandError>` [INFO] [stdout] | [INFO] [stdout] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stdout] = note: required for `Box` to implement `From` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `roland-rs` (example "telnet_client") due to 8 previous errors [INFO] running `Command { std: "docker" "inspect" "d568e445d1301e1e8f60069e32039c861bbf977223aa9bdcf3f360148e28bf16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d568e445d1301e1e8f60069e32039c861bbf977223aa9bdcf3f360148e28bf16", kill_on_drop: false }` [INFO] [stdout] d568e445d1301e1e8f60069e32039c861bbf977223aa9bdcf3f360148e28bf16