[INFO] cloning repository https://github.com/RuneBlaze/hmm-filterer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RuneBlaze/hmm-filterer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fhmm-filterer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fhmm-filterer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d6c891c77c95e43175a5a41af654568f320742a
[INFO] checking RuneBlaze/hmm-filterer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuneBlaze%2Fhmm-filterer" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RuneBlaze/hmm-filterer on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RuneBlaze/hmm-filterer
[INFO] finished tweaking git repo https://github.com/RuneBlaze/hmm-filterer
[INFO] tweaked toml for git repo https://github.com/RuneBlaze/hmm-filterer written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/RuneBlaze/hmm-filterer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", 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] dfc2ad57d71f8ad8f3085ecea6c077dec68a051e335c9e3e23e87ba94e656845
[INFO] running `Command { std: "docker" "start" "-a" "dfc2ad57d71f8ad8f3085ecea6c077dec68a051e335c9e3e23e87ba94e656845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc2ad57d71f8ad8f3085ecea6c077dec68a051e335c9e3e23e87ba94e656845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc2ad57d71f8ad8f3085ecea6c077dec68a051e335c9e3e23e87ba94e656845", kill_on_drop: false }`
[INFO] [stdout] dfc2ad57d71f8ad8f3085ecea6c077dec68a051e335c9e3e23e87ba94e656845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4be92508198aeca16ef3f39a956dd3e17245a278e6e1b17485024c4d2cb03b87
[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" "4be92508198aeca16ef3f39a956dd3e17245a278e6e1b17485024c4d2cb03b87", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking rust-hmm-filterer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `clippy`
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(clippy)]
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `clippy`
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![warn(clippy)]
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/main.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead, BufReader, Result};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Result`
[INFO] [stdout]  --> src/main.rs:5:35
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{BufRead, BufReader, Result};
[INFO] [stdout]   |                                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.43s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4be92508198aeca16ef3f39a956dd3e17245a278e6e1b17485024c4d2cb03b87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be92508198aeca16ef3f39a956dd3e17245a278e6e1b17485024c4d2cb03b87", kill_on_drop: false }`
[INFO] [stdout] 4be92508198aeca16ef3f39a956dd3e17245a278e6e1b17485024c4d2cb03b87