[INFO] fetching crate fast_log 1.0.2... [INFO] checking fast_log-1.0.2 against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548 [INFO] extracting crate fast_log 1.0.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate fast_log 1.0.2 on toolchain e2223c94bf433fc38234d1303e88cbaf14755863 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate fast_log 1.0.2 [INFO] finished tweaking crates.io crate fast_log 1.0.2 [INFO] tweaked toml for crates.io crate fast_log 1.0.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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" "+e2223c94bf433fc38234d1303e88cbaf14755863" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2ed70240f5846e6ef611aadbb6d53ae237e9c4840c666bbf541a29e60d11351e [INFO] running `"docker" "start" "-a" "2ed70240f5846e6ef611aadbb6d53ae237e9c4840c666bbf541a29e60d11351e"` [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Checking fast_log v1.0.2 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/log.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/log.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::intrinsics::write_bytes` [INFO] [stderr] --> src/log.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::intrinsics::write_bytes; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stderr] --> src/log.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::{Mutex, MutexGuard}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/log.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `SystemTime` [INFO] [stderr] --> src/log.rs:10:17 [INFO] [stderr] | [INFO] [stderr] 10 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Utc` [INFO] [stderr] --> src/log.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | use chrono::{DateTime, Utc, Local}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `BorrowMut`, `Borrow` [INFO] [stderr] --> src/log.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use std::borrow::{Borrow, BorrowMut}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `info`, `warn` [INFO] [stderr] --> src/log.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | use log::{error, info, warn}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/log.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::intrinsics::write_bytes` [INFO] [stderr] --> src/log.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::intrinsics::write_bytes; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `MutexGuard`, `Mutex` [INFO] [stderr] --> src/log.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::{Mutex, MutexGuard}; [INFO] [stderr] | ^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Utc` [INFO] [stderr] --> src/log.rs:12:24 [INFO] [stderr] | [INFO] [stderr] 12 | use chrono::{DateTime, Utc, Local}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `warn` [INFO] [stderr] --> src/log.rs:13:11 [INFO] [stderr] | [INFO] [stderr] 13 | use log::{error, info, warn}; [INFO] [stderr] | ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/log.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SetLoggerError` [INFO] [stderr] --> src/log.rs:19:49 [INFO] [stderr] | [INFO] [stderr] 19 | use log::{Level, LevelFilter, Metadata, Record, SetLoggerError}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/error.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{error, fmt}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::time_util` [INFO] [stderr] --> src/log.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use crate::time_util; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::error::Error` [INFO] [stderr] --> src/log.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | use std::error::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `SetLoggerError` [INFO] [stderr] --> src/log.rs:19:49 [INFO] [stderr] | [INFO] [stderr] 19 | use log::{Level, LevelFilter, Metadata, Record, SetLoggerError}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `error` [INFO] [stderr] --> src/error.rs:1:11 [INFO] [stderr] | [INFO] [stderr] 1 | use std::{error, fmt}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/log.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let mut file = open_file(log_file_path).await; [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: variable does not need to be mutable [INFO] [stderr] --> src/log.rs:146:9 [INFO] [stderr] | [INFO] [stderr] 146 | let mut file = tokio::fs::OpenOptions::new().write(true).create(true).open(log_file_path).await?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/log.rs:122:9 [INFO] [stderr] | [INFO] [stderr] 122 | let path=log_file_path.to_owned(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/log.rs:115:9 [INFO] [stderr] | [INFO] [stderr] 115 | let mut file = open_file(log_file_path).await; [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: variable does not need to be mutable [INFO] [stderr] --> src/log.rs:146:9 [INFO] [stderr] | [INFO] [stderr] 146 | let mut file = tokio::fs::OpenOptions::new().write(true).create(true).open(log_file_path).await?; [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/time_util.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/time_util.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `e` [INFO] [stderr] --> src/error.rs:69:4 [INFO] [stderr] | [INFO] [stderr] 69 | fn e() -> Result { [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/log.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | self.sender.send(arg); [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/log.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | file.write(s.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 98 | file.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:129:18 [INFO] [stderr] | [INFO] [stderr] 129 | file.write_all(s.as_bytes()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:130:18 [INFO] [stderr] | [INFO] [stderr] 130 | file.sync_data().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused variable: `path` [INFO] [stderr] --> src/log.rs:122:9 [INFO] [stderr] | [INFO] [stderr] 122 | let path=log_file_path.to_owned(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_path` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/log.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | for i in 0..total { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/log.rs:182:9 [INFO] [stderr] | [INFO] [stderr] 182 | for i in 0..total { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/time_util.rs:17:9 [INFO] [stderr] | [INFO] [stderr] 17 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/time_util.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/log.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | self.sender.send(arg); [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/log.rs:97:17 [INFO] [stderr] | [INFO] [stderr] 97 | file.write(s.as_bytes()); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:98:17 [INFO] [stderr] | [INFO] [stderr] 98 | file.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:129:18 [INFO] [stderr] | [INFO] [stderr] 129 | file.write_all(s.as_bytes()).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:130:18 [INFO] [stderr] | [INFO] [stderr] 130 | file.sync_data().await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:155:5 [INFO] [stderr] | [INFO] [stderr] 155 | init_log("requests.log"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:164:5 [INFO] [stderr] | [INFO] [stderr] 164 | init_log("requests.log"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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/log.rs:179:5 [INFO] [stderr] | [INFO] [stderr] 179 | init_async_log("requests.log").await; [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 12.30s [INFO] running `"docker" "inspect" "2ed70240f5846e6ef611aadbb6d53ae237e9c4840c666bbf541a29e60d11351e"` [INFO] running `"docker" "rm" "-f" "2ed70240f5846e6ef611aadbb6d53ae237e9c4840c666bbf541a29e60d11351e"` [INFO] [stdout] 2ed70240f5846e6ef611aadbb6d53ae237e9c4840c666bbf541a29e60d11351e