[INFO] fetching crate fast_log 1.0.6... [INFO] checking fast_log-1.0.6 against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345 [INFO] extracting crate fast_log 1.0.6 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate fast_log 1.0.6 on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fast_log 1.0.6 [INFO] finished tweaking crates.io crate fast_log 1.0.6 [INFO] tweaked toml for crates.io crate fast_log 1.0.6 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 17060a3bed66ef45f15ddbc57cc490a1ab36e0a0b251d56d638af85fd20ab9f0 [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" "17060a3bed66ef45f15ddbc57cc490a1ab36e0a0b251d56d638af85fd20ab9f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "17060a3bed66ef45f15ddbc57cc490a1ab36e0a0b251d56d638af85fd20ab9f0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17060a3bed66ef45f15ddbc57cc490a1ab36e0a0b251d56d638af85fd20ab9f0", kill_on_drop: false }` [INFO] [stdout] 17060a3bed66ef45f15ddbc57cc490a1ab36e0a0b251d56d638af85fd20ab9f0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d0d2e7741630564b8af50b24d7b0c05dc446db433c880020b95f082eef3df628 [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" "d0d2e7741630564b8af50b24d7b0c05dc446db433c880020b95f082eef3df628", kill_on_drop: false }` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling syn v1.0.31 [INFO] [stderr] Compiling serde v1.0.112 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling serde_derive v1.0.112 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Checking tokio v0.2.21 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking serde_json v1.0.55 [INFO] [stderr] Checking fast_log v1.0.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/log.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/log.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `warn` [INFO] [stdout] --> src/log.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use log::{error, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> src/error.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error, fmt}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/log.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::sync::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/log.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/log.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> src/log.rs:8:17 [INFO] [stdout] | [INFO] [stdout] 8 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `warn` [INFO] [stdout] --> src/log.rs:11:11 [INFO] [stdout] | [INFO] [stdout] 11 | use log::{error, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::time_util` [INFO] [stdout] --> src/log.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use crate::time_util; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `error` [INFO] [stdout] --> src/error.rs:1:11 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{error, fmt}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut file = open_file(log_file_path).await; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:193:9 [INFO] [stdout] | [INFO] [stdout] 193 | let mut file = open_file(log_file_path).await; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/log.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | for i in 0..total { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | let (mut tx, mut rx) = tokio::sync::mpsc::channel(1000); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:56:30 [INFO] [stdout] | [INFO] [stdout] 56 | let (mut tx, mut rx) = tokio::sync::mpsc::channel(1000); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:56:22 [INFO] [stdout] | [INFO] [stdout] 56 | let (mut tx, mut rx) = tokio::sync::mpsc::channel(1000); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/log.rs:56:30 [INFO] [stdout] | [INFO] [stdout] 56 | let (mut tx, mut rx) = tokio::sync::mpsc::channel(1000); [INFO] [stdout] | ----^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | self.std_sender.as_ref().unwrap().send(arg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | s.send(arg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | self.tokio_sender.clone().unwrap().send(arg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | file.write(s.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | file.write(s.as_bytes()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:228:5 [INFO] [stdout] | [INFO] [stdout] 228 | init_log("requests.log", RuntimeType::Std); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:238:5 [INFO] [stdout] | [INFO] [stdout] 238 | init_log("requests.log", RuntimeType::Std); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:254:5 [INFO] [stdout] | [INFO] [stdout] 254 | init_async_log("requests.log", RuntimeType::TokIo).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut time = SystemTime::now().duration_since(start).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `e` [INFO] [stdout] --> src/error.rs:69:4 [INFO] [stdout] | [INFO] [stdout] 69 | fn e() -> Result { [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | self.std_sender.as_ref().unwrap().send(arg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:76:21 [INFO] [stdout] | [INFO] [stdout] 76 | s.send(arg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:87:17 [INFO] [stdout] | [INFO] [stdout] 87 | self.tokio_sender.clone().unwrap().send(arg).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:170:17 [INFO] [stdout] | [INFO] [stdout] 170 | file.write(s.as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:206:17 [INFO] [stdout] | [INFO] [stdout] 206 | file.write(s.as_bytes()).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.68s [INFO] running `Command { std: "docker" "inspect" "d0d2e7741630564b8af50b24d7b0c05dc446db433c880020b95f082eef3df628", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0d2e7741630564b8af50b24d7b0c05dc446db433c880020b95f082eef3df628", kill_on_drop: false }` [INFO] [stdout] d0d2e7741630564b8af50b24d7b0c05dc446db433c880020b95f082eef3df628