[INFO] updating cached repository simonhdickson/wilde [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/simonhdickson/wilde [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/simonhdickson/wilde" "work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/simonhdickson/wilde" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonhdickson/wilde"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonhdickson/wilde'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 016a41c074b01bf72720e3a811c43dd5a41c3f3a [INFO] sha for GitHub repo simonhdickson/wilde: 016a41c074b01bf72720e3a811c43dd5a41c3f3a [INFO] validating manifest of simonhdickson/wilde on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of simonhdickson/wilde on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing simonhdickson/wilde [INFO] finished frobbing simonhdickson/wilde [INFO] frobbed toml for simonhdickson/wilde written to work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde/Cargo.toml [INFO] started frobbing simonhdickson/wilde [INFO] finished frobbing simonhdickson/wilde [INFO] frobbed toml for simonhdickson/wilde written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonhdickson/wilde/Cargo.toml [INFO] crate simonhdickson/wilde already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing simonhdickson/wilde against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 86957e52d3da266b2cfba511408a0c08b8eaaf23d9591f6d538185e8347fbaf9 [INFO] running `"docker" "start" "-a" "86957e52d3da266b2cfba511408a0c08b8eaaf23d9591f6d538185e8347fbaf9"` [INFO] [stderr] Compiling capnp v0.8.17 [INFO] [stderr] Compiling clap v2.31.2 [INFO] [stderr] Compiling capnpc v0.8.9 [INFO] [stderr] Compiling capnp-futures v0.1.1 [INFO] [stderr] Compiling capnp-rpc v0.8.3 [INFO] [stderr] Compiling wilde v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> build.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `App`, `Arg` [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/capnproto.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Params` [INFO] [stderr] --> src/capnproto.rs:2:25 [INFO] [stderr] | [INFO] [stderr] 2 | use capnp::capability::{Params, Promise}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RpcSystem`, `rpc_twoparty_capnp`, `twoparty` [INFO] [stderr] --> src/capnproto.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use capnp_rpc::{RpcSystem, twoparty, rpc_twoparty_capnp}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `read_message` [INFO] [stderr] --> src/queue.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use capnp::serialize::{read_message, write_message}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/capnproto.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let data = pry!(message.get_data()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/capnproto.rs:11:71 [INFO] [stderr] | [INFO] [stderr] 11 | fn call(&mut self, params: publisher_function::CallParams, mut results: publisher_function::CallResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `params` [INFO] [stderr] --> src/capnproto.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | fn create(&mut self, params: publisher::CreateParams, mut results: publisher::CreateResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `params` [INFO] [stderr] --> src/capnproto.rs:38:29 [INFO] [stderr] | [INFO] [stderr] 38 | fn subscribe(&mut self, params: consumer::SubscribeParams, results: consumer::SubscribeResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/capnproto.rs:38:67 [INFO] [stderr] | [INFO] [stderr] 38 | fn subscribe(&mut self, params: consumer::SubscribeParams, results: consumer::SubscribeResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/capnproto.rs:11:67 [INFO] [stderr] | [INFO] [stderr] 11 | fn call(&mut self, params: publisher_function::CallParams, mut results: publisher_function::CallResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `WildePublisher` [INFO] [stderr] --> src/capnproto.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | struct WildePublisher; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `WildeConsumer` [INFO] [stderr] --> src/capnproto.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | struct WildeConsumer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `w` [INFO] [stderr] --> src/queue.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | w: Box, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/queue.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn new(w: Box) -> QueueWriter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_file` [INFO] [stderr] --> src/queue.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | fn from_file(filename: &str) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `put` [INFO] [stderr] --> src/queue.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | fn put(&mut self, msg: Builder) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `w` [INFO] [stderr] --> src/queue.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | w: Box, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/queue.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn new(w: Box) -> QueueWriter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_file` [INFO] [stderr] --> src/queue.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn from_file(filename: &str) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/queue.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | fn get(&mut self, msg: Builder) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/queue.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | write_message(&mut self.w, &msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/queue.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | write_message(&mut self.w, &msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.51s [INFO] running `"docker" "inspect" "86957e52d3da266b2cfba511408a0c08b8eaaf23d9591f6d538185e8347fbaf9"` [INFO] running `"docker" "rm" "-f" "86957e52d3da266b2cfba511408a0c08b8eaaf23d9591f6d538185e8347fbaf9"` [INFO] [stdout] 86957e52d3da266b2cfba511408a0c08b8eaaf23d9591f6d538185e8347fbaf9 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 800fcdce5c8a2f6482997f7f6d7b959fc128fcca128f64b9e6f1a922b6049697 [INFO] running `"docker" "start" "-a" "800fcdce5c8a2f6482997f7f6d7b959fc128fcca128f64b9e6f1a922b6049697"` [INFO] [stderr] Compiling mio v0.6.14 [INFO] [stderr] Compiling tokio-io v0.1.6 [INFO] [stderr] Compiling tokio-threadpool v0.1.4 [INFO] [stderr] Compiling tokio-fs v0.1.0 [INFO] [stderr] Compiling tokio-reactor v0.1.1 [INFO] [stderr] Compiling tokio-udp v0.1.0 [INFO] [stderr] Compiling tokio-tcp v0.1.0 [INFO] [stderr] Compiling tokio v0.1.7 [INFO] [stderr] Compiling tokio-core v0.1.17 [INFO] [stderr] Compiling wilde v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `App`, `Arg` [INFO] [stderr] --> src/main.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/capnproto.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Params` [INFO] [stderr] --> src/capnproto.rs:2:25 [INFO] [stderr] | [INFO] [stderr] 2 | use capnp::capability::{Params, Promise}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `RpcSystem`, `rpc_twoparty_capnp`, `twoparty` [INFO] [stderr] --> src/capnproto.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use capnp_rpc::{RpcSystem, twoparty, rpc_twoparty_capnp}; [INFO] [stderr] | ^^^^^^^^^ ^^^^^^^^ ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `read_message` [INFO] [stderr] --> src/queue.rs:6:24 [INFO] [stderr] | [INFO] [stderr] 6 | use capnp::serialize::{read_message, write_message}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `data` [INFO] [stderr] --> src/capnproto.rs:15:13 [INFO] [stderr] | [INFO] [stderr] 15 | let data = pry!(message.get_data()); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_data` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/capnproto.rs:11:71 [INFO] [stderr] | [INFO] [stderr] 11 | fn call(&mut self, params: publisher_function::CallParams, mut results: publisher_function::CallResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `params` [INFO] [stderr] --> src/capnproto.rs:27:26 [INFO] [stderr] | [INFO] [stderr] 27 | fn create(&mut self, params: publisher::CreateParams, mut results: publisher::CreateResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `params` [INFO] [stderr] --> src/capnproto.rs:38:29 [INFO] [stderr] | [INFO] [stderr] 38 | fn subscribe(&mut self, params: consumer::SubscribeParams, results: consumer::SubscribeResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_params` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `results` [INFO] [stderr] --> src/capnproto.rs:38:67 [INFO] [stderr] | [INFO] [stderr] 38 | fn subscribe(&mut self, params: consumer::SubscribeParams, results: consumer::SubscribeResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_results` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/capnproto.rs:11:67 [INFO] [stderr] | [INFO] [stderr] 11 | fn call(&mut self, params: publisher_function::CallParams, mut results: publisher_function::CallResults) -> Promise<(), ::capnp::Error> { [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `WildePublisher` [INFO] [stderr] --> src/capnproto.rs:24:1 [INFO] [stderr] | [INFO] [stderr] 24 | struct WildePublisher; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `WildeConsumer` [INFO] [stderr] --> src/capnproto.rs:35:1 [INFO] [stderr] | [INFO] [stderr] 35 | struct WildeConsumer; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `w` [INFO] [stderr] --> src/queue.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | w: Box, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/queue.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | fn new(w: Box) -> QueueWriter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_file` [INFO] [stderr] --> src/queue.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | fn from_file(filename: &str) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `put` [INFO] [stderr] --> src/queue.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | fn put(&mut self, msg: Builder) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `w` [INFO] [stderr] --> src/queue.rs:35:5 [INFO] [stderr] | [INFO] [stderr] 35 | w: Box, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/queue.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | fn new(w: Box) -> QueueWriter { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `from_file` [INFO] [stderr] --> src/queue.rs:47:5 [INFO] [stderr] | [INFO] [stderr] 47 | fn from_file(filename: &str) -> Result, Error> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get` [INFO] [stderr] --> src/queue.rs:54:5 [INFO] [stderr] | [INFO] [stderr] 54 | fn get(&mut self, msg: Builder) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/queue.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | write_message(&mut self.w, &msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/queue.rs:55:9 [INFO] [stderr] | [INFO] [stderr] 55 | write_message(&mut self.w, &msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 31.54s [INFO] running `"docker" "inspect" "800fcdce5c8a2f6482997f7f6d7b959fc128fcca128f64b9e6f1a922b6049697"` [INFO] running `"docker" "rm" "-f" "800fcdce5c8a2f6482997f7f6d7b959fc128fcca128f64b9e6f1a922b6049697"` [INFO] [stdout] 800fcdce5c8a2f6482997f7f6d7b959fc128fcca128f64b9e6f1a922b6049697 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/simonhdickson/wilde:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 302787bb3382f91caee23ee44155ca9c7f988682e4288e53e1c5e8c162e6b8a5 [INFO] running `"docker" "start" "-a" "302787bb3382f91caee23ee44155ca9c7f988682e4288e53e1c5e8c162e6b8a5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/wilde-b1082b7ca5151585 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "302787bb3382f91caee23ee44155ca9c7f988682e4288e53e1c5e8c162e6b8a5"` [INFO] running `"docker" "rm" "-f" "302787bb3382f91caee23ee44155ca9c7f988682e4288e53e1c5e8c162e6b8a5"` [INFO] [stdout] 302787bb3382f91caee23ee44155ca9c7f988682e4288e53e1c5e8c162e6b8a5