[INFO] fetching crate nitrogen 0.1.0... [INFO] checking nitrogen-0.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] extracting crate nitrogen 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate nitrogen 0.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6a651602505d7f79a03c96a98e449b86139da6ef2108d7f242f440ac6b093890 [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" "6a651602505d7f79a03c96a98e449b86139da6ef2108d7f242f440ac6b093890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6a651602505d7f79a03c96a98e449b86139da6ef2108d7f242f440ac6b093890", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a651602505d7f79a03c96a98e449b86139da6ef2108d7f242f440ac6b093890", kill_on_drop: false }` [INFO] [stdout] 6a651602505d7f79a03c96a98e449b86139da6ef2108d7f242f440ac6b093890 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89a3e4b09c5b007aaff8732742b6b9ccb50b90785a7c41b2f33dd695ad88ee1e [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" "89a3e4b09c5b007aaff8732742b6b9ccb50b90785a7c41b2f33dd695ad88ee1e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking anymap v0.12.1 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking inotify v0.8.3 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v5.0.0-pre.3 [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: 1 warning emitted [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] error[E0599]: no function or associated item named `new` found for trait object `dyn file_watcher::notify::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 file_watcher::notify::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] [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] [stdout] error[E0599]: no function or associated item named `new` found for trait object `dyn file_watcher::notify::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 file_watcher::notify::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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "89a3e4b09c5b007aaff8732742b6b9ccb50b90785a7c41b2f33dd695ad88ee1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89a3e4b09c5b007aaff8732742b6b9ccb50b90785a7c41b2f33dd695ad88ee1e", kill_on_drop: false }` [INFO] [stdout] 89a3e4b09c5b007aaff8732742b6b9ccb50b90785a7c41b2f33dd695ad88ee1e