[INFO] cloning repository https://github.com/malwoden/sloppy-compressor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malwoden/sloppy-compressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalwoden%2Fsloppy-compressor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalwoden%2Fsloppy-compressor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1b354128b91d7f91f93487f5e475ef785a98bc67 [INFO] checking malwoden/sloppy-compressor against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalwoden%2Fsloppy-compressor" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/malwoden/sloppy-compressor [INFO] finished tweaking git repo https://github.com/malwoden/sloppy-compressor [INFO] tweaked toml for git repo https://github.com/malwoden/sloppy-compressor written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/malwoden/sloppy-compressor on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/malwoden/sloppy-compressor 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded half v1.6.0 [INFO] [stderr] Downloaded cast v0.2.3 [INFO] [stderr] Downloaded tinytemplate v1.2.0 [INFO] [stderr] Downloaded criterion-plot v0.4.3 [INFO] [stderr] Downloaded tap v1.0.0 [INFO] [stderr] Downloaded bincode v1.3.1 [INFO] [stderr] Downloaded radium v0.6.1 [INFO] [stderr] Downloaded serde_cbor v0.11.1 [INFO] [stderr] Downloaded criterion v0.3.3 [INFO] [stderr] Downloaded bitvec v0.20.1 [INFO] [stderr] Downloaded csv v1.1.5 [INFO] [stderr] Downloaded plotters v0.2.15 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d8a9daba8f7515011dcdd6d8b3a4324b615c6f21fdfbdcbec85529fd56b060a7 [INFO] running `Command { std: "docker" "start" "-a" "d8a9daba8f7515011dcdd6d8b3a4324b615c6f21fdfbdcbec85529fd56b060a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d8a9daba8f7515011dcdd6d8b3a4324b615c6f21fdfbdcbec85529fd56b060a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d8a9daba8f7515011dcdd6d8b3a4324b615c6f21fdfbdcbec85529fd56b060a7", kill_on_drop: false }` [INFO] [stdout] d8a9daba8f7515011dcdd6d8b3a4324b615c6f21fdfbdcbec85529fd56b060a7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 72212e4070e2c9cf5bd6d995705bd54827d5e13f511a6f86f4b8434932042a96 [INFO] running `Command { std: "docker" "start" "-a" "72212e4070e2c9cf5bd6d995705bd54827d5e13f511a6f86f4b8434932042a96", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling serde v1.0.118 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling radium v0.6.1 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking tap v1.0.0 [INFO] [stderr] Checking half v1.6.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking bitvec v0.20.1 [INFO] [stderr] Checking regex-syntax v0.6.21 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking hex v0.4.2 [INFO] [stderr] Checking criterion-plot v0.4.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking plotters v0.2.15 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking serde_json v1.0.61 [INFO] [stderr] Checking bstr v0.2.14 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Checking serde_cbor v0.11.1 [INFO] [stderr] Checking sloppy-compressor v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking csv v1.1.5 [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/lz77/nodes.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EndOfStream` is never constructed [INFO] [stdout] --> src/lz77/nodes.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum NodeType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | EndOfStream, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tinytemplate v1.2.0 [INFO] [stderr] Checking criterion v0.3.3 [INFO] [stdout] warning: unused import: `black_box` [INFO] [stdout] --> benches/lz77_benchmarks.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | use criterion::{black_box, criterion_group, criterion_main, Criterion}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sloppycomp::compression::Algorithm` [INFO] [stdout] --> benches/lz77_benchmarks.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use sloppycomp::compression::Algorithm; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude::*` [INFO] [stdout] --> tests/lz77_perf.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/lz77_perf.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 14 | let mut file = File::open(input_file).unwrap(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/lz77_perf.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | compressor.compress(file, "/tmp/sloppycomp-ratio-test"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 17 | let _ = compressor.compress(file, "/tmp/sloppycomp-ratio-test"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Node` is never constructed [INFO] [stdout] --> src/lz77/nodes.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct Node { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `EndOfStream` is never constructed [INFO] [stdout] --> src/lz77/nodes.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub enum NodeType { [INFO] [stdout] | -------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 12 | EndOfStream, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NodeType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.25s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion 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 8` [INFO] running `Command { std: "docker" "inspect" "72212e4070e2c9cf5bd6d995705bd54827d5e13f511a6f86f4b8434932042a96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72212e4070e2c9cf5bd6d995705bd54827d5e13f511a6f86f4b8434932042a96", kill_on_drop: false }` [INFO] [stdout] 72212e4070e2c9cf5bd6d995705bd54827d5e13f511a6f86f4b8434932042a96