[INFO] updating cached repository https://github.com/dcrankshaw/rpc-perf-tuning [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e55de2de36444c70e67ce20ecdbfd528eb22a3d0 [INFO] testing dcrankshaw/rpc-perf-tuning against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdcrankshaw%2Frpc-perf-tuning" "work/builds/worker-3/source"` [INFO] [stderr] Cloning into 'work/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dcrankshaw/rpc-perf-tuning on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/dcrankshaw/rpc-perf-tuning [INFO] finished tweaking git repo https://github.com/dcrankshaw/rpc-perf-tuning [INFO] tweaked toml for git repo https://github.com/dcrankshaw/rpc-perf-tuning written to work/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/dcrankshaw/rpc-perf-tuning already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /big/crater/work/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"` [INFO] [stdout] ce6cd99e4bb9f24a322855d45ad872960f012bcc5465b23a761a76ee1d11dd2a [INFO] running `"docker" "start" "-a" "ce6cd99e4bb9f24a322855d45ad872960f012bcc5465b23a761a76ee1d11dd2a"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling rpc-perf-tuning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/server.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/rpc.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/rpc.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | stream.flush(); [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: constant item is never used: `SHUTDOWN_CODE` [INFO] [stderr] --> src/rpc.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | const SHUTDOWN_CODE: u8 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDINT_CODE` [INFO] [stderr] --> src/rpc.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const FIXEDINT_CODE: u8 = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDBYTE_CODE` [INFO] [stderr] --> src/rpc.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const FIXEDBYTE_CODE: u8 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARINT_CODE` [INFO] [stderr] --> src/rpc.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const VARINT_CODE: u8 = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARFLOAT_CODE` [INFO] [stderr] --> src/rpc.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const VARFLOAT_CODE: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARBYTE_CODE` [INFO] [stderr] --> src/rpc.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | const VARBYTE_CODE: u8 = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STRING_CODE` [INFO] [stderr] --> src/rpc.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const STRING_CODE: u8 = 7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpc.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | stream.flush(); [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 variable: `message_size_bytes` [INFO] [stderr] --> src/client.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let message_size_bytes = args[2].parse::().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_message_size_bytes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `SHUTDOWN_CODE` [INFO] [stderr] --> src/client.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const SHUTDOWN_CODE: u8 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDINT_CODE` [INFO] [stderr] --> src/client.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const FIXEDINT_CODE: u8 = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDBYTE_CODE` [INFO] [stderr] --> src/client.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const FIXEDBYTE_CODE: u8 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARINT_CODE` [INFO] [stderr] --> src/client.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const VARINT_CODE: u8 = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARFLOAT_CODE` [INFO] [stderr] --> src/client.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | const VARFLOAT_CODE: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARBYTE_CODE` [INFO] [stderr] --> src/client.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const VARBYTE_CODE: u8 = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STRING_CODE` [INFO] [stderr] --> src/client.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | const STRING_CODE: u8 = 7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_messages` [INFO] [stderr] --> src/client.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | fn send_messages(num_messages: usize, message_size_bytes: usize) -> (u64, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_message` [INFO] [stderr] --> src/client.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | fn gen_message(size: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `"docker" "inspect" "ce6cd99e4bb9f24a322855d45ad872960f012bcc5465b23a761a76ee1d11dd2a"` [INFO] running `"docker" "rm" "-f" "ce6cd99e4bb9f24a322855d45ad872960f012bcc5465b23a761a76ee1d11dd2a"` [INFO] [stdout] ce6cd99e4bb9f24a322855d45ad872960f012bcc5465b23a761a76ee1d11dd2a [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"` [INFO] [stdout] b730f8446733508bfd85a7980c9b5a3f134906c4e7d9820dad583b6dccea4c6c [INFO] running `"docker" "start" "-a" "b730f8446733508bfd85a7980c9b5a3f134906c4e7d9820dad583b6dccea4c6c"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Compiling rpc-perf-tuning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/server.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::time::Duration` [INFO] [stderr] --> src/rpc.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::time::Duration; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread` [INFO] [stderr] --> src/rpc.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `message_size_bytes` [INFO] [stderr] --> src/client.rs:24:9 [INFO] [stderr] | [INFO] [stderr] 24 | let message_size_bytes = args[2].parse::().unwrap(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_message_size_bytes` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/server.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | stream.flush(); [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: constant item is never used: `SHUTDOWN_CODE` [INFO] [stderr] --> src/rpc.rs:11:1 [INFO] [stderr] | [INFO] [stderr] 11 | const SHUTDOWN_CODE: u8 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDINT_CODE` [INFO] [stderr] --> src/rpc.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const FIXEDINT_CODE: u8 = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDBYTE_CODE` [INFO] [stderr] --> src/rpc.rs:14:1 [INFO] [stderr] | [INFO] [stderr] 14 | const FIXEDBYTE_CODE: u8 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARINT_CODE` [INFO] [stderr] --> src/rpc.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const VARINT_CODE: u8 = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARFLOAT_CODE` [INFO] [stderr] --> src/rpc.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const VARFLOAT_CODE: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARBYTE_CODE` [INFO] [stderr] --> src/rpc.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | const VARBYTE_CODE: u8 = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STRING_CODE` [INFO] [stderr] --> src/rpc.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const STRING_CODE: u8 = 7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/rpc.rs:64:9 [INFO] [stderr] | [INFO] [stderr] 64 | stream.flush(); [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: constant item is never used: `SHUTDOWN_CODE` [INFO] [stderr] --> src/client.rs:12:1 [INFO] [stderr] | [INFO] [stderr] 12 | const SHUTDOWN_CODE: u8 = 0; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDINT_CODE` [INFO] [stderr] --> src/client.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | const FIXEDINT_CODE: u8 = 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `FIXEDBYTE_CODE` [INFO] [stderr] --> src/client.rs:15:1 [INFO] [stderr] | [INFO] [stderr] 15 | const FIXEDBYTE_CODE: u8 = 3; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARINT_CODE` [INFO] [stderr] --> src/client.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const VARINT_CODE: u8 = 4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARFLOAT_CODE` [INFO] [stderr] --> src/client.rs:17:1 [INFO] [stderr] | [INFO] [stderr] 17 | const VARFLOAT_CODE: u8 = 5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `VARBYTE_CODE` [INFO] [stderr] --> src/client.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const VARBYTE_CODE: u8 = 6; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `STRING_CODE` [INFO] [stderr] --> src/client.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | const STRING_CODE: u8 = 7; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `send_messages` [INFO] [stderr] --> src/client.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | fn send_messages(num_messages: usize, message_size_bytes: usize) -> (u64, Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_message` [INFO] [stderr] --> src/client.rs:157:1 [INFO] [stderr] | [INFO] [stderr] 157 | fn gen_message(size: usize) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `"docker" "inspect" "b730f8446733508bfd85a7980c9b5a3f134906c4e7d9820dad583b6dccea4c6c"` [INFO] running `"docker" "rm" "-f" "b730f8446733508bfd85a7980c9b5a3f134906c4e7d9820dad583b6dccea4c6c"` [INFO] [stdout] b730f8446733508bfd85a7980c9b5a3f134906c4e7d9820dad583b6dccea4c6c [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"` [INFO] [stdout] edb03c89f9c7c72b5de2a925a2c64bda8c6bf22cc1a3b4b2742a741018d3aecc [INFO] running `"docker" "start" "-a" "edb03c89f9c7c72b5de2a925a2c64bda8c6bf22cc1a3b4b2742a741018d3aecc"` [INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently [INFO] [stderr] disables Cargo from automatically inferring other binary targets. [INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following [INFO] [stderr] files will be included as a binary target: [INFO] [stderr] [INFO] [stderr] * /opt/rustwide/workdir/src/main.rs [INFO] [stderr] [INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be [INFO] [stderr] ready to be compiled as a binary target today. You can future-proof yourself [INFO] [stderr] and disable this warning by adding `autobins = false` to your [package] [INFO] [stderr] section. You may also move the files to a location where Cargo would not [INFO] [stderr] automatically infer them to be a target, such as in subfolders. [INFO] [stderr] [INFO] [stderr] For more information on this warning you can consult [INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/client-a3837adf6faf32e7 [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] [stderr] Running /opt/rustwide/target/debug/deps/clippermw-1c86f79a47773010 [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] [stderr] Running /opt/rustwide/target/debug/deps/server-cc36f609b68043ec [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" "edb03c89f9c7c72b5de2a925a2c64bda8c6bf22cc1a3b4b2742a741018d3aecc"` [INFO] running `"docker" "rm" "-f" "edb03c89f9c7c72b5de2a925a2c64bda8c6bf22cc1a3b4b2742a741018d3aecc"` [INFO] [stdout] edb03c89f9c7c72b5de2a925a2c64bda8c6bf22cc1a3b4b2742a741018d3aecc