[INFO] fetching crate fast_log 1.2.2... [INFO] testing fast_log-1.2.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate fast_log 1.2.2 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate fast_log 1.2.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fast_log 1.2.2 [INFO] finished tweaking crates.io crate fast_log 1.2.2 [INFO] tweaked toml for crates.io crate fast_log 1.2.2 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a068ce8f96a8e757d4b16e77b5a968845e28553249fb3091bdb8095d3c7d4560 [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" "a068ce8f96a8e757d4b16e77b5a968845e28553249fb3091bdb8095d3c7d4560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a068ce8f96a8e757d4b16e77b5a968845e28553249fb3091bdb8095d3c7d4560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a068ce8f96a8e757d4b16e77b5a968845e28553249fb3091bdb8095d3c7d4560", kill_on_drop: false }` [INFO] [stdout] a068ce8f96a8e757d4b16e77b5a968845e28553249fb3091bdb8095d3c7d4560 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e5bef77ed7fb77dba32845b22b36829af045419aec4499a42403d6587d1b435 [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" "3e5bef77ed7fb77dba32845b22b36829af045419aec4499a42403d6587d1b435", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling pin-project-internal v0.4.22 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling cache-padded v1.1.1 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling pin-project-lite v0.1.7 [INFO] [stderr] Compiling fastrand v1.3.3 [INFO] [stderr] Compiling event-listener v2.2.0 [INFO] [stderr] Compiling waker-fn v1.0.0 [INFO] [stderr] Compiling parking v1.0.5 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling async-task v3.0.0 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling arc-swap v0.4.7 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling concurrent-queue v1.1.1 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling socket2 v0.3.12 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling async-channel v1.1.1 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling futures-lite v0.1.9 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling blocking v0.4.7 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.22 [INFO] [stderr] Compiling pin-project v0.4.22 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling smol v0.1.18 [INFO] [stderr] Compiling async-std v1.6.2 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling fast_log v1.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Cell`, `RefCell` [INFO] [stdout] --> src/log.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Cell, RefCell}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/log.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/log.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/log.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> src/log.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `warn` [INFO] [stdout] --> src/log.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{error, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::time_util` [INFO] [stdout] --> src/log.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | 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: unused import: `tokio::prelude` [INFO] [stdout] --> src/log.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut time = SystemTime::now().duration_since(start).unwrap(); [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/time_util.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | 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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | 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:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | 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: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 51.92s [INFO] running `Command { std: "docker" "inspect" "3e5bef77ed7fb77dba32845b22b36829af045419aec4499a42403d6587d1b435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e5bef77ed7fb77dba32845b22b36829af045419aec4499a42403d6587d1b435", kill_on_drop: false }` [INFO] [stdout] 3e5bef77ed7fb77dba32845b22b36829af045419aec4499a42403d6587d1b435 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43dfc51ac6d2295ed2e6a8c6d9b26cae3dd6a45ec7600756af80dee7be21fa97 [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" "43dfc51ac6d2295ed2e6a8c6d9b26cae3dd6a45ec7600756af80dee7be21fa97", kill_on_drop: false }` [INFO] [stderr] Compiling fast_log v1.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Cell`, `RefCell` [INFO] [stdout] --> src/log.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Cell, RefCell}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/log.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/log.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/log.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration`, `SystemTime` [INFO] [stdout] --> src/log.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `info`, `warn` [INFO] [stdout] --> src/log.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | use log::{error, info, warn}; [INFO] [stdout] | ^^^^^ ^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::time_util` [INFO] [stdout] --> src/log.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | 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: unused import: `tokio::prelude` [INFO] [stdout] --> src/log.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/time_util.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut time = SystemTime::now().duration_since(start).unwrap(); [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/time_util.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | 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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/log.rs:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | 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:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | 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: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Cell`, `RefCell` [INFO] [stdout] --> src/log.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Cell, RefCell}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/log.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stdout] --> src/log.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::sync::mpsc::RecvError; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread::sleep` [INFO] [stdout] --> src/log.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::thread::sleep; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/log.rs:9:17 [INFO] [stdout] | [INFO] [stdout] 9 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `error`, `warn` [INFO] [stdout] --> src/log.rs:12:11 [INFO] [stdout] | [INFO] [stdout] 12 | 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: `tokio::prelude` [INFO] [stdout] --> src/log.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use tokio::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/log.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | 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/time_util.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut time = SystemTime::now().duration_since(start).unwrap(); [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/time_util.rs:22:9 [INFO] [stdout] | [INFO] [stdout] 22 | 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:61:17 [INFO] [stdout] | [INFO] [stdout] 61 | 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:145:17 [INFO] [stdout] | [INFO] [stdout] 145 | 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:162:5 [INFO] [stdout] | [INFO] [stdout] 162 | 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: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.66s [INFO] running `Command { std: "docker" "inspect" "43dfc51ac6d2295ed2e6a8c6d9b26cae3dd6a45ec7600756af80dee7be21fa97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43dfc51ac6d2295ed2e6a8c6d9b26cae3dd6a45ec7600756af80dee7be21fa97", kill_on_drop: false }` [INFO] [stdout] 43dfc51ac6d2295ed2e6a8c6d9b26cae3dd6a45ec7600756af80dee7be21fa97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e8fa049182f2558bb9b7da252a771daa770a53acdf451f613a2fda079417858a [INFO] running `Command { std: "docker" "start" "-a" "e8fa049182f2558bb9b7da252a771daa770a53acdf451f613a2fda079417858a", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `Cell`, `RefCell` [INFO] [stderr] --> src/log.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cell::{Cell, RefCell}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/log.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stderr] --> src/log.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::RecvError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/log.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Duration`, `SystemTime` [INFO] [stderr] --> src/log.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `info`, `warn` [INFO] [stderr] --> src/log.rs:12:11 [INFO] [stderr] | [INFO] [stderr] 12 | use log::{error, info, warn}; [INFO] [stderr] | ^^^^^ ^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::time_util` [INFO] [stderr] --> src/log.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | use crate::time_util; [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: `tokio::prelude` [INFO] [stderr] --> src/log.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/time_util.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut time = SystemTime::now().duration_since(start).unwrap(); [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/time_util.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | 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:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | self.std_sender.as_ref().unwrap().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:145:17 [INFO] [stderr] | [INFO] [stderr] 145 | 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: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Cell`, `RefCell` [INFO] [stderr] --> src/log.rs:1:17 [INFO] [stderr] | [INFO] [stderr] 1 | use std::cell::{Cell, RefCell}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Arc`, `Mutex` [INFO] [stderr] --> src/log.rs:5:17 [INFO] [stderr] | [INFO] [stderr] 5 | use std::sync::{Arc, Mutex, RwLock}; [INFO] [stderr] | ^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc::RecvError` [INFO] [stderr] --> src/log.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc::RecvError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::thread::sleep` [INFO] [stderr] --> src/log.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::thread::sleep; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/log.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | use std::time::{Duration, SystemTime}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `error`, `warn` [INFO] [stderr] --> src/log.rs:12:11 [INFO] [stderr] | [INFO] [stderr] 12 | use log::{error, info, warn}; [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: `tokio::prelude` [INFO] [stderr] --> src/log.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use tokio::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/log.rs:166:9 [INFO] [stderr] | [INFO] [stderr] 166 | for i in 0..total { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_i` [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/time_util.rs:16:9 [INFO] [stderr] | [INFO] [stderr] 16 | let mut time = SystemTime::now().duration_since(start).unwrap(); [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/time_util.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | 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:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | self.std_sender.as_ref().unwrap().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:145:17 [INFO] [stderr] | [INFO] [stderr] 145 | 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:162:5 [INFO] [stderr] | [INFO] [stderr] 162 | init_log("requests.log", &RuntimeType::Std); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fast_log-e4b5f06c2872301e [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test time_util::test_count ... ok [INFO] [stdout] test error::test_error ... ok [INFO] [stdout] test log::bench_log ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests fast_log [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 `Command { std: "docker" "inspect" "e8fa049182f2558bb9b7da252a771daa770a53acdf451f613a2fda079417858a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8fa049182f2558bb9b7da252a771daa770a53acdf451f613a2fda079417858a", kill_on_drop: false }` [INFO] [stdout] e8fa049182f2558bb9b7da252a771daa770a53acdf451f613a2fda079417858a