[INFO] cloning repository https://github.com/RhettDelFierro/wavetabler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RhettDelFierro/wavetabler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhettDelFierro%2Fwavetabler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhettDelFierro%2Fwavetabler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 914e19c3875d22b3ee0f5adddedfced85e9a4699
[INFO] checking RhettDelFierro/wavetabler against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRhettDelFierro%2Fwavetabler" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RhettDelFierro/wavetabler on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RhettDelFierro/wavetabler
[INFO] finished tweaking git repo https://github.com/RhettDelFierro/wavetabler
[INFO] tweaked toml for git repo https://github.com/RhettDelFierro/wavetabler written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/RhettDelFierro/wavetabler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] d7f4fe3396d3710df804e5af70c7540aa840f15c01ead9f760b32f191cd016d3
[INFO] running `Command { std: "docker" "start" "-a" "d7f4fe3396d3710df804e5af70c7540aa840f15c01ead9f760b32f191cd016d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7f4fe3396d3710df804e5af70c7540aa840f15c01ead9f760b32f191cd016d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7f4fe3396d3710df804e5af70c7540aa840f15c01ead9f760b32f191cd016d3", kill_on_drop: false }`
[INFO] [stdout] d7f4fe3396d3710df804e5af70c7540aa840f15c01ead9f760b32f191cd016d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 632043091b420e037cc64be3e63daec94dd7cb60c5373cd8b9ca953c4e93115c
[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" "632043091b420e037cc64be3e63daec94dd7cb60c5373cd8b9ca953c4e93115c", kill_on_drop: false }`
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking wavetabler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/command_line_query.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::stdin().read_line(&mut channels);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]  --> src/command_line_query.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::stdin().read_line(&mut channels);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "632043091b420e037cc64be3e63daec94dd7cb60c5373cd8b9ca953c4e93115c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "632043091b420e037cc64be3e63daec94dd7cb60c5373cd8b9ca953c4e93115c", kill_on_drop: false }`
[INFO] [stdout] 632043091b420e037cc64be3e63daec94dd7cb60c5373cd8b9ca953c4e93115c