[INFO] cloning repository https://github.com/devnought/combine-test
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/devnought/combine-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnought%2Fcombine-test"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnought%2Fcombine-test'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e8ac868fca517438a93499fc7cf4f089e53e61e0
[INFO] checking devnought/combine-test against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdevnought%2Fcombine-test" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/devnought/combine-test on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/devnought/combine-test
[INFO] finished tweaking git repo https://github.com/devnought/combine-test
[INFO] tweaked toml for git repo https://github.com/devnought/combine-test written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/devnought/combine-test already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77c3cfc25b230fa97818fac189a37b87bd63c4a7241143dfcd718252ae705b5f
[INFO] running `"docker" "start" "-a" "77c3cfc25b230fa97818fac189a37b87bd63c4a7241143dfcd718252ae705b5f"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking combine-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `many1`, `many`, `satisfy`, `take_until_range`, `token`
[INFO] [stderr]   --> src/main.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     many, many1,
[INFO] [stderr]    |     ^^^^  ^^^^^
[INFO] [stderr] 9  |     range::{range, take_until_range, take_while, take_while1},
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 10 |     satisfy, skip_many, skip_many1,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 11 |     stream::state::State,
[INFO] [stderr] 12 |     token, ParseError, Parser, RangeStream,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     dbg!(res);
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `many1`, `many`, `satisfy`, `take_until_range`, `token`
[INFO] [stderr]   --> src/main.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  |     many, many1,
[INFO] [stderr]    |     ^^^^  ^^^^^
[INFO] [stderr] 9  |     range::{range, take_until_range, take_while, take_while1},
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 10 |     satisfy, skip_many, skip_many1,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 11 |     stream::state::State,
[INFO] [stderr] 12 |     token, ParseError, Parser, RangeStream,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     dbg!(res);
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.15s
[INFO] running `"docker" "inspect" "77c3cfc25b230fa97818fac189a37b87bd63c4a7241143dfcd718252ae705b5f"`
[INFO] running `"docker" "rm" "-f" "77c3cfc25b230fa97818fac189a37b87bd63c4a7241143dfcd718252ae705b5f"`
[INFO] [stdout] 77c3cfc25b230fa97818fac189a37b87bd63c4a7241143dfcd718252ae705b5f