[INFO] cloning repository https://github.com/rakivo/robuild [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rakivo/robuild" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakivo%2Frobuild", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakivo%2Frobuild'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce87b322e4fc040f3c88b27cbba6fe59b02eecf6 [INFO] checking rakivo/robuild against try#579169d0e78824dc60934e5eb74cd3841f2b33e8 for pr-149328 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frakivo%2Frobuild" "/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/rakivo/robuild [INFO] finished tweaking git repo https://github.com/rakivo/robuild [INFO] tweaked toml for git repo https://github.com/rakivo/robuild written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rakivo/robuild on toolchain 579169d0e78824dc60934e5eb74cd3841f2b33e8 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "generate-lockfile" "--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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 34481b46790d6f388000fca801768654628111e7876a387cb0bdefdd9465a33d [INFO] running `Command { std: "docker" "start" "-a" "34481b46790d6f388000fca801768654628111e7876a387cb0bdefdd9465a33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "34481b46790d6f388000fca801768654628111e7876a387cb0bdefdd9465a33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34481b46790d6f388000fca801768654628111e7876a387cb0bdefdd9465a33d", kill_on_drop: false }` [INFO] [stdout] 34481b46790d6f388000fca801768654628111e7876a387cb0bdefdd9465a33d [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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+579169d0e78824dc60934e5eb74cd3841f2b33e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6b85128dde8f09d7791aba38dff1ed4aa3a766b90c3fb61c261ef14636b7c8a [INFO] running `Command { std: "docker" "start" "-a" "f6b85128dde8f09d7791aba38dff1ed4aa3a766b90c3fb61c261ef14636b7c8a", kill_on_drop: false }` [INFO] [stderr] Checking robuild v0.0.33 (/opt/rustwide/workdir) [INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error` [INFO] [stdout] --> examples/main.rs:69:30 [INFO] [stdout] | [INFO] [stdout] 13 | fn main() -> IoResult::<()> { [INFO] [stdout] | -------------- expected `std::io::Error` because of this [INFO] [stdout] ... [INFO] [stdout] 69 | .execute_jobs_async()?; [INFO] [stdout] | --------------------^ the trait `From` is not implemented for `std::io::Error` [INFO] [stdout] | | [INFO] [stdout] | this can't be annotated with `?` because it has type `Result<_, RobError>` [INFO] [stdout] | [INFO] [stdout] = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait [INFO] [stdout] = help: the following other types implement trait `From`: [INFO] [stdout] `std::io::Error` implements `From` [INFO] [stdout] `std::io::Error` implements `From>` [INFO] [stdout] `std::io::Error` implements `From` [INFO] [stdout] `std::io::Error` implements `From` [INFO] [stdout] `std::io::Error` implements `From` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `robuild` (example "main") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "f6b85128dde8f09d7791aba38dff1ed4aa3a766b90c3fb61c261ef14636b7c8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6b85128dde8f09d7791aba38dff1ed4aa3a766b90c3fb61c261ef14636b7c8a", kill_on_drop: false }` [INFO] [stdout] f6b85128dde8f09d7791aba38dff1ed4aa3a766b90c3fb61c261ef14636b7c8a