[INFO] fetching crate confusion 0.0.1... [INFO] checking confusion-0.0.1 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056 [INFO] extracting crate confusion 0.0.1 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate confusion 0.0.1 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate confusion 0.0.1 [INFO] finished tweaking crates.io crate confusion 0.0.1 [INFO] tweaked toml for crates.io crate confusion 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: dependency (nickel) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mustache v0.9.0 [INFO] [stderr] Downloaded nickel v0.11.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e588868916f5018e8863f07270f9b54291f3d4788ca624a583541e2ff4553c11 [INFO] running `Command { std: "docker" "start" "-a" "e588868916f5018e8863f07270f9b54291f3d4788ca624a583541e2ff4553c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e588868916f5018e8863f07270f9b54291f3d4788ca624a583541e2ff4553c11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e588868916f5018e8863f07270f9b54291f3d4788ca624a583541e2ff4553c11", kill_on_drop: false }` [INFO] [stdout] e588868916f5018e8863f07270f9b54291f3d4788ca624a583541e2ff4553c11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b86d1cef5c25e3d4c4896c13dbfa40530547b7751aff895f1b9e99e296eabf6a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b86d1cef5c25e3d4c4896c13dbfa40530547b7751aff895f1b9e99e296eabf6a", kill_on_drop: false }` [INFO] [stderr] warning: dependency (nickel) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking unicode-bidi v0.3.6 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Checking matches v0.1.9 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking tinyvec v1.4.0 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking unicode-normalization v0.1.19 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking confusion v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | server.get("/", middleware! { |_request, response| [INFO] [stdout] | ___________________^ [INFO] [stdout] 10 | | return response.send_file(&Path::new("frontend/setup.html")) [INFO] [stdout] | | ------------------------------------------------------------ any code following this expression is unreachable [INFO] [stdout] 11 | | }); [INFO] [stdout] | |___^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `_middleware_inner` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/main.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | server.get("/", middleware! { |_request, response| [INFO] [stdout] | ___________________^ [INFO] [stdout] 10 | | return response.send_file(&Path::new("frontend/setup.html")) [INFO] [stdout] | | ------------------------------------------------------------ any code following this expression is unreachable [INFO] [stdout] 11 | | }); [INFO] [stdout] | |___^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `_middleware_inner` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() { [INFO] [stdout] | - expected `()` because of default return type [INFO] [stdout] ... [INFO] [stdout] 13 | server.listen("127.0.0.1:3000") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;` [INFO] [stdout] | | [INFO] [stdout] | expected `()`, found enum `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `confusion` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/main.rs:13:3 [INFO] [stdout] | [INFO] [stdout] 6 | fn main() { [INFO] [stdout] | - expected `()` because of default return type [INFO] [stdout] ... [INFO] [stdout] 13 | server.listen("127.0.0.1:3000") [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^- help: consider using a semicolon here: `;` [INFO] [stdout] | | [INFO] [stdout] | expected `()`, found enum `Result` [INFO] [stdout] | [INFO] [stdout] = note: expected unit type `()` [INFO] [stdout] found enum `Result>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "b86d1cef5c25e3d4c4896c13dbfa40530547b7751aff895f1b9e99e296eabf6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86d1cef5c25e3d4c4896c13dbfa40530547b7751aff895f1b9e99e296eabf6a", kill_on_drop: false }` [INFO] [stdout] b86d1cef5c25e3d4c4896c13dbfa40530547b7751aff895f1b9e99e296eabf6a