[INFO] crate mylogger 0.1.0 is already in cache [INFO] checking mylogger-0.1.0 against try#1a399c10897767c36d147199696c96f193034e49 for pr-72644 [INFO] extracting crate mylogger 0.1.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate mylogger 0.1.0 on toolchain 1a399c10897767c36d147199696c96f193034e49 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate mylogger 0.1.0 [INFO] finished tweaking crates.io crate mylogger 0.1.0 [INFO] tweaked toml for crates.io crate mylogger 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1a399c10897767c36d147199696c96f193034e49" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] c42425f2a2797e3240c3dc5ca20400f30e7a7368fff658730cad87a1ab9de7f1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "c42425f2a2797e3240c3dc5ca20400f30e7a7368fff658730cad87a1ab9de7f1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking mylogger v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused imports: `LevelFilter`, `info` [INFO] [stderr] --> src/lib.rs:72:11 [INFO] [stderr] | [INFO] [stderr] 72 | use log::{info, Level, LevelFilter, Log, Metadata, Record}; [INFO] [stderr] | ^^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/lib.rs:136:24 [INFO] [stderr] | [INFO] [stderr] 136 | 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:139:19 [INFO] [stderr] | [INFO] [stderr] 139 | 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:139:36 [INFO] [stderr] | [INFO] [stderr] 139 | 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:140:29 [INFO] [stderr] | [INFO] [stderr] 140 | 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:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | 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:112:23 [INFO] [stderr] | [INFO] [stderr] 112 | 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: `meta` [INFO] [stderr] --> src/lib.rs:136:24 [INFO] [stderr] | [INFO] [stderr] 136 | 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:139:19 [INFO] [stderr] | [INFO] [stderr] 139 | 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: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `logger` [INFO] [stderr] --> src/lib.rs:139:36 [INFO] [stderr] | [INFO] [stderr] 139 | 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:140:29 [INFO] [stderr] | [INFO] [stderr] 140 | 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:90:13 [INFO] [stderr] | [INFO] [stderr] 90 | 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:112:23 [INFO] [stderr] | [INFO] [stderr] 112 | fn enabled(&self, metadata: &Metadata) -> bool { [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_metadata` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | 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: unused `std::result::Result` that must be used [INFO] [stderr] --> src/lib.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | 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: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.39s [INFO] running `"docker" "inspect" "c42425f2a2797e3240c3dc5ca20400f30e7a7368fff658730cad87a1ab9de7f1"` [INFO] running `"docker" "rm" "-f" "c42425f2a2797e3240c3dc5ca20400f30e7a7368fff658730cad87a1ab9de7f1"` [INFO] [stdout] c42425f2a2797e3240c3dc5ca20400f30e7a7368fff658730cad87a1ab9de7f1