[INFO] fetching crate nitrogen 0.1.0... [INFO] checking nitrogen-0.1.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470 [INFO] extracting crate nitrogen 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate nitrogen 0.1.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate nitrogen 0.1.0 [INFO] finished tweaking crates.io crate nitrogen 0.1.0 [INFO] tweaked toml for crates.io crate nitrogen 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d2a4083f8ed2dc5f1ddd26bb29a16703c2eb81c80c4c40fd050cad386fd5db3 [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" "1d2a4083f8ed2dc5f1ddd26bb29a16703c2eb81c80c4c40fd050cad386fd5db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d2a4083f8ed2dc5f1ddd26bb29a16703c2eb81c80c4c40fd050cad386fd5db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d2a4083f8ed2dc5f1ddd26bb29a16703c2eb81c80c4c40fd050cad386fd5db3", kill_on_drop: false }` [INFO] [stdout] 1d2a4083f8ed2dc5f1ddd26bb29a16703c2eb81c80c4c40fd050cad386fd5db3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 954dfa2280733512ee33488abf90f903ab150f9f1e5c2d1c92d2c921a802d79e [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" "954dfa2280733512ee33488abf90f903ab150f9f1e5c2d1c92d2c921a802d79e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.4 [INFO] [stderr] Checking filetime v0.2.13 [INFO] [stderr] Checking inotify v0.8.3 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v5.0.0-pre.4 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking nitrogen v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:11:64 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn really_complicated_code(a: u8, b: u8) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:11:64 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn really_complicated_code(a: u8, b: u8) -> Result> { [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn Watcher` in the current scope [INFO] [stdout] --> src/bin/nitrogen/file_watcher.rs:11:52 [INFO] [stdout] | [INFO] [stdout] 11 | let mut watcher: RecommendedWatcher = Watcher::new(tx, Duration::from_secs(4))?; [INFO] [stdout] | ^^^ function or associated item not found in `dyn Watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn Watcher` in the current scope [INFO] [stdout] --> src/bin/nitrogen/file_watcher.rs:11:52 [INFO] [stdout] | [INFO] [stdout] 11 | let mut watcher: RecommendedWatcher = Watcher::new(tx, Duration::from_secs(4))?; [INFO] [stdout] | ^^^ function or associated item not found in `dyn Watcher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/nitrogen/file_watcher.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | match rx.recv() { [INFO] [stdout] 17 | | Ok(event) => println!("changed: {:?}", event), [INFO] [stdout] 18 | | Err(err) => println!("watch error: {:?}", err), [INFO] [stdout] 19 | | }; [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [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 E0599`. [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/bin/nitrogen/file_watcher.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 15 | / loop { [INFO] [stdout] 16 | | match rx.recv() { [INFO] [stdout] 17 | | Ok(event) => println!("changed: {:?}", event), [INFO] [stdout] 18 | | Err(err) => println!("watch error: {:?}", err), [INFO] [stdout] 19 | | }; [INFO] [stdout] 20 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 21 | [INFO] [stdout] 22 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [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 E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `nitrogen` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "954dfa2280733512ee33488abf90f903ab150f9f1e5c2d1c92d2c921a802d79e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "954dfa2280733512ee33488abf90f903ab150f9f1e5c2d1c92d2c921a802d79e", kill_on_drop: false }` [INFO] [stdout] 954dfa2280733512ee33488abf90f903ab150f9f1e5c2d1c92d2c921a802d79e