[INFO] cloning repository https://github.com/justahero/talk-error-handling [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justahero/talk-error-handling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6f4507e769ba7d809876a33626fb98d29285514 [INFO] checking justahero/talk-error-handling against try#8cf44c88fc5805dc578c5c987397615b47d2e2b2 for pr-136764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustahero%2Ftalk-error-handling" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/justahero/talk-error-handling on toolchain 8cf44c88fc5805dc578c5c987397615b47d2e2b2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/justahero/talk-error-handling [INFO] finished tweaking git repo https://github.com/justahero/talk-error-handling [INFO] tweaked toml for git repo https://github.com/justahero/talk-error-handling written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/justahero/talk-error-handling 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" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6dc64efcdc5aec1c9350f4891afaa17c496af916d9376a1ba5603e6b741194d4 [INFO] running `Command { std: "docker" "start" "-a" "6dc64efcdc5aec1c9350f4891afaa17c496af916d9376a1ba5603e6b741194d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dc64efcdc5aec1c9350f4891afaa17c496af916d9376a1ba5603e6b741194d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dc64efcdc5aec1c9350f4891afaa17c496af916d9376a1ba5603e6b741194d4", kill_on_drop: false }` [INFO] [stdout] 6dc64efcdc5aec1c9350f4891afaa17c496af916d9376a1ba5603e6b741194d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+8cf44c88fc5805dc578c5c987397615b47d2e2b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e1d9b1b8f846f636967be6e63c58f5b9ecfcc4d47eb08e9775f61702fd4ea5ae [INFO] running `Command { std: "docker" "start" "-a" "e1d9b1b8f846f636967be6e63c58f5b9ecfcc4d47eb08e9775f61702fd4ea5ae", kill_on_drop: false }` [INFO] [stderr] Checking error-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/02_unused.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | "10".parse::(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 2 | let _ = "10".parse::(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `MyError: std::error::Error` is not satisfied [INFO] [stdout] --> examples/07_dyn_error.rs:18:62 [INFO] [stdout] | [INFO] [stdout] 18 | Ok(input.parse::().map_err(|_| MyError::ParseFailed)?) [INFO] [stdout] | ^ the trait `std::error::Error` is not implemented for `MyError` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual>` is implemented for `Result` [INFO] [stdout] = note: required for `Box` to implement `From` [INFO] [stdout] = note: required for `Result>` to implement `FromResidual>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `error-examples` (example "07_dyn_error") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e1d9b1b8f846f636967be6e63c58f5b9ecfcc4d47eb08e9775f61702fd4ea5ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e1d9b1b8f846f636967be6e63c58f5b9ecfcc4d47eb08e9775f61702fd4ea5ae", kill_on_drop: false }` [INFO] [stdout] e1d9b1b8f846f636967be6e63c58f5b9ecfcc4d47eb08e9775f61702fd4ea5ae