[INFO] fetching crate mylogger 0.2.0... [INFO] testing mylogger-0.2.0 against 1.44.0 for beta-1.45-1 [INFO] extracting crate mylogger 0.2.0 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate mylogger 0.2.0 on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mylogger 0.2.0 [INFO] finished tweaking crates.io crate mylogger 0.2.0 [INFO] tweaked toml for crates.io crate mylogger 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0868022a6abb7a1ee59b720ebfdfa7b3855044114d32d1700dbb10c4c7f218cb [INFO] running `"docker" "start" "-a" "0868022a6abb7a1ee59b720ebfdfa7b3855044114d32d1700dbb10c4c7f218cb"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.30 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling mylogger v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `bounded` [INFO] [stderr] --> src/lib.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | use crossbeam::channel::{bounded, unbounded, Receiver, Sender}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RecordBuilder` [INFO] [stderr] --> src/lib.rs:84:60 [INFO] [stderr] | [INFO] [stderr] 84 | use log::{info, Level, LevelFilter, Log, Metadata, Record, RecordBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/lib.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/lib.rs:87:27 [INFO] [stderr] | [INFO] [stderr] 87 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:165:24 [INFO] [stderr] | [INFO] [stderr] 165 | fn activate(&self, meta: &Metadata) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/lib.rs:168:19 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:168:36 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn format_record(&self, logger: &MyLogger, record: &Record) -> String { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/lib.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let level = Level::Info; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metadata` [INFO] [stderr] --> src/lib.rs:141:23 [INFO] [stderr] | [INFO] [stderr] 141 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `task` [INFO] [stderr] --> src/lib.rs:232:25 [INFO] [stderr] | [INFO] [stderr] 232 | let task = tokio::spawn(AsyncDefaultHandler::async_log(m_log)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_task` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut mylogger = MyLogger::with_default_handler("asdf"); [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: function is never used: `it_works` [INFO] [stderr] --> src/lib.rs:92:4 [INFO] [stderr] | [INFO] [stderr] 92 | fn it_works() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:206:5 [INFO] [stderr] | [INFO] [stderr] 206 | fn new(level: Level, name: String) -> AsyncDefaultHandler { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `async_log` [INFO] [stderr] --> src/lib.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | async fn async_log(record_msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_message` [INFO] [stderr] --> src/lib.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | async fn handle_message(r: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [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: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.26s [INFO] running `"docker" "inspect" "0868022a6abb7a1ee59b720ebfdfa7b3855044114d32d1700dbb10c4c7f218cb"` [INFO] running `"docker" "rm" "-f" "0868022a6abb7a1ee59b720ebfdfa7b3855044114d32d1700dbb10c4c7f218cb"` [INFO] [stdout] 0868022a6abb7a1ee59b720ebfdfa7b3855044114d32d1700dbb10c4c7f218cb [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d7c3b99364720d94ab0f6273625d6a210e6175cef1c3578272ff28ca03c70bfa [INFO] running `"docker" "start" "-a" "d7c3b99364720d94ab0f6273625d6a210e6175cef1c3578272ff28ca03c70bfa"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling mylogger v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `bounded` [INFO] [stderr] --> src/lib.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | use crossbeam::channel::{bounded, unbounded, Receiver, Sender}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RecordBuilder` [INFO] [stderr] --> src/lib.rs:84:60 [INFO] [stderr] | [INFO] [stderr] 84 | use log::{info, Level, LevelFilter, Log, Metadata, Record, RecordBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/lib.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/lib.rs:87:27 [INFO] [stderr] | [INFO] [stderr] 87 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:165:24 [INFO] [stderr] | [INFO] [stderr] 165 | fn activate(&self, meta: &Metadata) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/lib.rs:168:19 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:168:36 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn format_record(&self, logger: &MyLogger, record: &Record) -> String { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/lib.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let level = Level::Info; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metadata` [INFO] [stderr] --> src/lib.rs:141:23 [INFO] [stderr] | [INFO] [stderr] 141 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `task` [INFO] [stderr] --> src/lib.rs:232:25 [INFO] [stderr] | [INFO] [stderr] 232 | let task = tokio::spawn(AsyncDefaultHandler::async_log(m_log)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_task` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut mylogger = MyLogger::with_default_handler("asdf"); [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: function is never used: `it_works` [INFO] [stderr] --> src/lib.rs:92:4 [INFO] [stderr] | [INFO] [stderr] 92 | fn it_works() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:206:5 [INFO] [stderr] | [INFO] [stderr] 206 | fn new(level: Level, name: String) -> AsyncDefaultHandler { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `async_log` [INFO] [stderr] --> src/lib.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | async fn async_log(record_msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_message` [INFO] [stderr] --> src/lib.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | async fn handle_message(r: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [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: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `bounded` [INFO] [stderr] --> src/lib.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | use crossbeam::channel::{bounded, unbounded, Receiver, Sender}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RecordBuilder` [INFO] [stderr] --> src/lib.rs:84:60 [INFO] [stderr] | [INFO] [stderr] 84 | use log::{info, Level, LevelFilter, Log, Metadata, Record, RecordBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/lib.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/lib.rs:87:27 [INFO] [stderr] | [INFO] [stderr] 87 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:165:24 [INFO] [stderr] | [INFO] [stderr] 165 | fn activate(&self, meta: &Metadata) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/lib.rs:168:19 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:168:36 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn format_record(&self, logger: &MyLogger, record: &Record) -> String { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/lib.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let level = Level::Info; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metadata` [INFO] [stderr] --> src/lib.rs:141:23 [INFO] [stderr] | [INFO] [stderr] 141 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `task` [INFO] [stderr] --> src/lib.rs:232:25 [INFO] [stderr] | [INFO] [stderr] 232 | let task = tokio::spawn(AsyncDefaultHandler::async_log(m_log)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_task` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut mylogger = MyLogger::with_default_handler("asdf"); [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: function is never used: `it_works` [INFO] [stderr] --> src/lib.rs:92:4 [INFO] [stderr] | [INFO] [stderr] 92 | fn it_works() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [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/lib.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `"docker" "inspect" "d7c3b99364720d94ab0f6273625d6a210e6175cef1c3578272ff28ca03c70bfa"` [INFO] running `"docker" "rm" "-f" "d7c3b99364720d94ab0f6273625d6a210e6175cef1c3578272ff28ca03c70bfa"` [INFO] [stdout] d7c3b99364720d94ab0f6273625d6a210e6175cef1c3578272ff28ca03c70bfa [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "+1.44.0" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 243bf8766a51355d3407c6fd43c836f20c36ab0e99ff0b76a9f9856f53573c1f [INFO] running `"docker" "start" "-a" "243bf8766a51355d3407c6fd43c836f20c36ab0e99ff0b76a9f9856f53573c1f"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `bounded` [INFO] [stderr] --> src/lib.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | use crossbeam::channel::{bounded, unbounded, Receiver, Sender}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RecordBuilder` [INFO] [stderr] --> src/lib.rs:84:60 [INFO] [stderr] | [INFO] [stderr] 84 | use log::{info, Level, LevelFilter, Log, Metadata, Record, RecordBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/lib.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/lib.rs:87:27 [INFO] [stderr] | [INFO] [stderr] 87 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:165:24 [INFO] [stderr] | [INFO] [stderr] 165 | fn activate(&self, meta: &Metadata) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/lib.rs:168:19 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:168:36 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn format_record(&self, logger: &MyLogger, record: &Record) -> String { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/lib.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let level = Level::Info; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metadata` [INFO] [stderr] --> src/lib.rs:141:23 [INFO] [stderr] | [INFO] [stderr] 141 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `task` [INFO] [stderr] --> src/lib.rs:232:25 [INFO] [stderr] | [INFO] [stderr] 232 | let task = tokio::spawn(AsyncDefaultHandler::async_log(m_log)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_task` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut mylogger = MyLogger::with_default_handler("asdf"); [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: function is never used: `it_works` [INFO] [stderr] --> src/lib.rs:92:4 [INFO] [stderr] | [INFO] [stderr] 92 | fn it_works() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [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/lib.rs:105:5 [INFO] [stderr] | [INFO] [stderr] 105 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused import: `bounded` [INFO] [stderr] --> src/lib.rs:83:26 [INFO] [stderr] | [INFO] [stderr] 83 | use crossbeam::channel::{bounded, unbounded, Receiver, Sender}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `RecordBuilder` [INFO] [stderr] --> src/lib.rs:84:60 [INFO] [stderr] | [INFO] [stderr] 84 | use log::{info, Level, LevelFilter, Log, Metadata, Record, RecordBuilder}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/lib.rs:85:17 [INFO] [stderr] | [INFO] [stderr] 85 | use std::sync::{Arc, Mutex}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Instant` [INFO] [stderr] --> src/lib.rs:87:27 [INFO] [stderr] | [INFO] [stderr] 87 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:165:24 [INFO] [stderr] | [INFO] [stderr] 165 | fn activate(&self, meta: &Metadata) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `record` [INFO] [stderr] --> src/lib.rs:168:19 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:168:36 [INFO] [stderr] | [INFO] [stderr] 168 | fn log(&self, record: &Record, logger: &MyLogger) {} [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:169:29 [INFO] [stderr] | [INFO] [stderr] 169 | fn format_record(&self, logger: &MyLogger, record: &Record) -> String { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_logger` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `level` [INFO] [stderr] --> src/lib.rs:119:13 [INFO] [stderr] | [INFO] [stderr] 119 | let level = Level::Info; [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_level` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `metadata` [INFO] [stderr] --> src/lib.rs:141:23 [INFO] [stderr] | [INFO] [stderr] 141 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `task` [INFO] [stderr] --> src/lib.rs:232:25 [INFO] [stderr] | [INFO] [stderr] 232 | let task = tokio::spawn(AsyncDefaultHandler::async_log(m_log)); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_task` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:93:9 [INFO] [stderr] | [INFO] [stderr] 93 | let mut mylogger = MyLogger::with_default_handler("asdf"); [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: function is never used: `it_works` [INFO] [stderr] --> src/lib.rs:92:4 [INFO] [stderr] | [INFO] [stderr] 92 | fn it_works() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/lib.rs:206:5 [INFO] [stderr] | [INFO] [stderr] 206 | fn new(level: Level, name: String) -> AsyncDefaultHandler { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `async_log` [INFO] [stderr] --> src/lib.rs:222:5 [INFO] [stderr] | [INFO] [stderr] 222 | async fn async_log(record_msg: String) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `handle_message` [INFO] [stderr] --> src/lib.rs:226:5 [INFO] [stderr] | [INFO] [stderr] 226 | async fn handle_message(r: Receiver) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:94:5 [INFO] [stderr] | [INFO] [stderr] 94 | log::set_boxed_logger(Box::new(mylogger)).map(|()| log::set_max_level(LevelFilter::Info)); [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: 17 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.21s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/mylogger-1a2297478f4c54ca [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] 2020-06-06 03:01:54|mylogger|mylogger|INFO -> this is the async info message 0 [INFO] [stdout] 2020-06-06 03:01:54|mylogger|mylogger|INFO -> this is the async info message 1 [INFO] [stdout] 2020-06-06 03:01:54|mylogger|mylogger|INFO -> this is the async info message 2 [INFO] [stdout] 2020-06-06 03:01:54|mylogger|mylogger|INFO -> this is the async info message 3 [INFO] [stdout] 2020-06-06 03:01:54|mylogger|mylogger|INFO -> this is the 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