[INFO] cloning repository https://github.com/leishiao/rust-logger-performace [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leishiao/rust-logger-performace" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleishiao%2Frust-logger-performace", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleishiao%2Frust-logger-performace'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d3f92f0bd8cff354b596a9385b5cec71260a92e4 [INFO] checking leishiao/rust-logger-performace against master#d49be02cf6d2e2a01264fcdef1e20c826710c0f5 for pr-133570-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleishiao%2Frust-logger-performace" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/leishiao/rust-logger-performace on toolchain d49be02cf6d2e2a01264fcdef1e20c826710c0f5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/leishiao/rust-logger-performace [INFO] finished tweaking git repo https://github.com/leishiao/rust-logger-performace [INFO] tweaked toml for git repo https://github.com/leishiao/rust-logger-performace written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/leishiao/rust-logger-performace already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded slog-stdlog v4.1.0 [INFO] [stderr] Downloaded flexi_logger v0.18.1 [INFO] [stderr] Downloaded arc-swap v1.3.2 [INFO] [stderr] Downloaded serde_yaml v0.8.20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 115ae60c97790480fbb365d6e3bc29299e8a85dfd1839aedd6d3932a8fe86f47 [INFO] running `Command { std: "docker" "start" "-a" "115ae60c97790480fbb365d6e3bc29299e8a85dfd1839aedd6d3932a8fe86f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "115ae60c97790480fbb365d6e3bc29299e8a85dfd1839aedd6d3932a8fe86f47", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "115ae60c97790480fbb365d6e3bc29299e8a85dfd1839aedd6d3932a8fe86f47", kill_on_drop: false }` [INFO] [stdout] 115ae60c97790480fbb365d6e3bc29299e8a85dfd1839aedd6d3932a8fe86f47 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+d49be02cf6d2e2a01264fcdef1e20c826710c0f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b0feb2e7a60e564a7c11ec7c4e699bb63b3c42ee3c9cc49be694fa01336f4ca [INFO] running `Command { std: "docker" "start" "-a" "3b0feb2e7a60e564a7c11ec7c4e699bb63b3c42ee3c9cc49be694fa01336f4ca", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking tracing-core v0.1.19 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling crossbeam-queue v0.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Checking instant v0.1.10 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Compiling anyhow v1.0.43 [INFO] [stderr] Checking sharded-slab v0.1.3 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling slog-async v2.7.0 [INFO] [stderr] Checking arc-swap v1.3.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking arc-swap v0.4.8 [INFO] [stderr] Checking yansi v0.5.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking crossbeam v0.8.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking ordered-float v2.8.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Checking slog-term v2.8.0 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling thiserror-impl v1.0.29 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking thiserror v1.0.29 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking serde_yaml v0.8.20 [INFO] [stderr] Checking serde-value v0.7.0 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking flexi_logger v0.18.1 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking slog-stdlog v4.1.0 [INFO] [stderr] Checking tracing-subscriber v0.2.20 [INFO] [stderr] Checking log4rs v1.0.0 [INFO] [stderr] Checking tracing-appender v0.1.2 [INFO] [stderr] Checking perf-log v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `log4rs::encode::writer` [INFO] [stdout] --> src/tracing_impl/term/tracing_term.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use log4rs::encode::writer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log4rs::encode::writer` [INFO] [stdout] --> src/tracing_impl/term/tracing_term.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use log4rs::encode::writer; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `GLOBAL` is never used [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | static mut GLOBAL: Option = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `init` is never used [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn init() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { GLOBAL.replace(_scope_guard) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static `GLOBAL` is never used [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | static mut GLOBAL: Option = None; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `init` is never used [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn init() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged [INFO] [stdout] --> src/slog_impl/term/slog_term.rs:16:14 [INFO] [stdout] | [INFO] [stdout] 16 | unsafe { GLOBAL.replace(_scope_guard) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.92s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0, typemap v0.3.3 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "3b0feb2e7a60e564a7c11ec7c4e699bb63b3c42ee3c9cc49be694fa01336f4ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" 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