[INFO] fetching crate libwave 0.1.2...
[INFO] checking libwave-0.1.2 against beta for pr-78714
[INFO] extracting crate libwave 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate libwave 0.1.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libwave 0.1.2
[INFO] finished tweaking crates.io crate libwave 0.1.2
[INFO] tweaked toml for crates.io crate libwave 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d2187e985c2f6e04c6823be82049e7a763c0c88ca3ce67f1ed4105df6f7ecd2
[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" "9d2187e985c2f6e04c6823be82049e7a763c0c88ca3ce67f1ed4105df6f7ecd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d2187e985c2f6e04c6823be82049e7a763c0c88ca3ce67f1ed4105df6f7ecd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d2187e985c2f6e04c6823be82049e7a763c0c88ca3ce67f1ed4105df6f7ecd2", kill_on_drop: false }`
[INFO] [stdout] 9d2187e985c2f6e04c6823be82049e7a763c0c88ca3ce67f1ed4105df6f7ecd2
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678f781b1410b8dc3bb34934dae720404aa5067df6a2b0600a7e19bc3cfcab87
[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" "678f781b1410b8dc3bb34934dae720404aa5067df6a2b0600a7e19bc3cfcab87", kill_on_drop: false }`
[INFO] [stderr]     Checking libwave v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom`
[INFO] [stdout]  --> src/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros`
[INFO] [stdout]  --> src/sample.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use macros;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sample.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             used += (size as usize);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nom`
[INFO] [stdout]  --> src/sample.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use nom;
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macros`
[INFO] [stdout]  --> src/sample.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use macros;
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/sample.rs:59:21
[INFO] [stdout]    |
[INFO] [stdout] 59 |             used += (size as usize);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/chunks.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let (i,mut instance) = ret.unwrap();
[INFO] [stdout]     |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chunks.rs:118:12
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let (i,mut instance) = ret.unwrap();
[INFO] [stdout]     |            ----^^^^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "678f781b1410b8dc3bb34934dae720404aa5067df6a2b0600a7e19bc3cfcab87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678f781b1410b8dc3bb34934dae720404aa5067df6a2b0600a7e19bc3cfcab87", kill_on_drop: false }`
[INFO] [stdout] 678f781b1410b8dc3bb34934dae720404aa5067df6a2b0600a7e19bc3cfcab87