[INFO] cloning repository https://github.com/AndrewGaspar/empire [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AndrewGaspar/empire" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f489a59ad0f0d30ce8cf54110e75d62858ced6f [INFO] checking AndrewGaspar/empire against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAndrewGaspar%2Fempire" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AndrewGaspar/empire on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AndrewGaspar/empire [INFO] finished tweaking git repo https://github.com/AndrewGaspar/empire [INFO] tweaked toml for git repo https://github.com/AndrewGaspar/empire written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/AndrewGaspar/empire already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/alexcrichton/tokio-process.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded socket2 v0.3.7 [INFO] [stderr] Downloaded tokio-executor v0.1.4 [INFO] [stderr] Downloaded serde_derive v1.0.75 [INFO] [stderr] Downloaded tokio-current-thread v0.1.1 [INFO] [stderr] Downloaded tokio-uds v0.2.1 [INFO] [stderr] Downloaded serde v1.0.75 [INFO] [stderr] Downloaded tokio-threadpool v0.1.6 [INFO] [stderr] Downloaded mio-uds v0.6.6 [INFO] [stderr] Downloaded tokio-timer v0.2.6 [INFO] [stderr] Downloaded tokio v0.1.8 [INFO] [stderr] Downloaded tokio-io v0.1.8 [INFO] [stderr] Downloaded tokio-reactor v0.1.4 [INFO] [stderr] Downloaded tokio-signal v0.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b620931d29111a3c88c58a543bf42920f2646a8b3006d1e8e0c918edd8f2e55 [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" "1b620931d29111a3c88c58a543bf42920f2646a8b3006d1e8e0c918edd8f2e55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b620931d29111a3c88c58a543bf42920f2646a8b3006d1e8e0c918edd8f2e55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b620931d29111a3c88c58a543bf42920f2646a8b3006d1e8e0c918edd8f2e55", kill_on_drop: false }` [INFO] [stdout] 1b620931d29111a3c88c58a543bf42920f2646a8b3006d1e8e0c918edd8f2e55 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96bd1e096130b8de75d6e84b0fce1e049e8cef4064d49161f1aa5cf9280a527f [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" "96bd1e096130b8de75d6e84b0fce1e049e8cef4064d49161f1aa5cf9280a527f", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.43 [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking futures v0.1.23 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking crossbeam-utils v0.5.0 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking slab v0.4.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking custom_derive v0.1.7 [INFO] [stderr] Checking log v0.4.4 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking conv v0.3.3 [INFO] [stderr] Checking smallvec v0.6.5 [INFO] [stderr] Checking itertools v0.7.8 [INFO] [stderr] Checking lock_api v0.1.3 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.4.3 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rand v0.5.5 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking bytes v0.4.9 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking mio v0.6.15 [INFO] [stderr] Checking crossbeam-deque v0.6.1 [INFO] [stderr] Checking parking_lot_core v0.2.14 [INFO] [stderr] Checking tokio-executor v0.1.4 [INFO] [stderr] Checking tokio-io v0.1.8 [INFO] [stderr] Checking tokio-timer v0.2.6 [INFO] [stderr] Checking tokio-current-thread v0.1.1 [INFO] [stderr] Checking mio-uds v0.6.6 [INFO] [stderr] Checking tokio-threadpool v0.1.6 [INFO] [stderr] Checking parking_lot v0.6.3 [INFO] [stderr] Checking tokio-codec v0.1.0 [INFO] [stderr] Checking tokio-reactor v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.2 [INFO] [stderr] Checking tokio-tcp v0.1.1 [INFO] [stderr] Checking tokio-uds v0.2.1 [INFO] [stderr] Checking tokio-signal v0.2.2 [INFO] [stderr] Checking tokio-fs v0.1.3 [INFO] [stderr] Checking tokio-process v0.2.2 (https://github.com/alexcrichton/tokio-process.git#9b7667b7) [INFO] [stderr] Checking tokio v0.1.8 [INFO] [stderr] Checking empire v0.1.0 (/opt/rustwide/workdir/empire) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> empire/src/error.rs:19:45 [INFO] [stdout] | [INFO] [stdout] 19 | &Error::IoError(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> empire/src/error.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | &Error::TokioIoError(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `connection` [INFO] [stdout] --> empire/src/port.rs:18:27 [INFO] [stdout] | [INFO] [stdout] 18 | fn process_new_connection(connection: TcpStream) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> empire/src/error.rs:19:45 [INFO] [stdout] | [INFO] [stdout] 19 | &Error::IoError(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> empire/src/error.rs:20:50 [INFO] [stdout] | [INFO] [stdout] 20 | &Error::TokioIoError(ref err) => err.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `child_commands` [INFO] [stdout] --> empire/src/comm.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | child_commands: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `universe` [INFO] [stdout] --> empire/src/comm.rs:120:19 [INFO] [stdout] | [INFO] [stdout] 120 | pub(crate) fn universe(&self) -> Arc> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `comm_parent` [INFO] [stdout] --> empire/src/universe.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | comm_parent: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `connection` [INFO] [stdout] --> empire/src/port.rs:18:27 [INFO] [stdout] | [INFO] [stdout] 18 | fn process_new_connection(connection: TcpStream) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `child_commands` [INFO] [stdout] --> empire/src/comm.rs:50:5 [INFO] [stdout] | [INFO] [stdout] 50 | child_commands: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `universe` [INFO] [stdout] --> empire/src/comm.rs:120:19 [INFO] [stdout] | [INFO] [stdout] 120 | pub(crate) fn universe(&self) -> Arc> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `comm_parent` [INFO] [stdout] --> empire/src/universe.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | comm_parent: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking libempire v0.1.0 (/opt/rustwide/workdir/libempire) [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> libempire/src/comm.rs:29:39 [INFO] [stdout] | [INFO] [stdout] 29 | pub extern "C" fn MPI_Comm_get_parent(parent: *mut MPI_Comm) -> Error { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `parent` [INFO] [stdout] --> libempire/src/comm.rs:29:39 [INFO] [stdout] | [INFO] [stdout] 29 | pub extern "C" fn MPI_Comm_get_parent(parent: *mut MPI_Comm) -> Error { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_parent` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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] [stderr] Checking mpiexec v0.1.0 (/opt/rustwide/workdir/mpiexec) [INFO] [stdout] warning: unused import: `Comm` [INFO] [stdout] --> mpiexec/src/main.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use empire::{comm, Comm}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Comm` [INFO] [stdout] --> mpiexec/src/main.rs:6:20 [INFO] [stdout] | [INFO] [stdout] 6 | use empire::{comm, Comm}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comm` [INFO] [stdout] --> mpiexec/src/main.rs:78:49 [INFO] [stdout] | [INFO] [stdout] 78 | let empire::comm::SpawnMultipleResult { comm, results } = locked [INFO] [stdout] | ^^^^ help: try ignoring the field: `comm: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `comm` [INFO] [stdout] --> mpiexec/src/main.rs:78:49 [INFO] [stdout] | [INFO] [stdout] 78 | let empire::comm::SpawnMultipleResult { comm, results } = locked [INFO] [stdout] | ^^^^ help: try ignoring the field: `comm: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.77s [INFO] running `Command { std: "docker" "inspect" "96bd1e096130b8de75d6e84b0fce1e049e8cef4064d49161f1aa5cf9280a527f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96bd1e096130b8de75d6e84b0fce1e049e8cef4064d49161f1aa5cf9280a527f", kill_on_drop: false }` [INFO] [stdout] 96bd1e096130b8de75d6e84b0fce1e049e8cef4064d49161f1aa5cf9280a527f