[INFO] fetching crate listenbrainz-rust 0.2.2...
[INFO] checking listenbrainz-rust-0.2.2 against beta for pr-78714
[INFO] extracting crate listenbrainz-rust 0.2.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate listenbrainz-rust 0.2.2 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 listenbrainz-rust 0.2.2
[INFO] finished tweaking crates.io crate listenbrainz-rust 0.2.2
[INFO] tweaked toml for crates.io crate listenbrainz-rust 0.2.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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] 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] 163d2d7979be645e8d10e4d22a248bf7eede47f6d5f5a273fc2711fb7d7f86db
[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" "163d2d7979be645e8d10e4d22a248bf7eede47f6d5f5a273fc2711fb7d7f86db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "163d2d7979be645e8d10e4d22a248bf7eede47f6d5f5a273fc2711fb7d7f86db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163d2d7979be645e8d10e4d22a248bf7eede47f6d5f5a273fc2711fb7d7f86db", kill_on_drop: false }`
[INFO] [stdout] 163d2d7979be645e8d10e4d22a248bf7eede47f6d5f5a273fc2711fb7d7f86db
[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] 1dbd44d1e20c14c66bc4f1cc35526f45f89db613162d09f878842b149e54ce58
[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" "1dbd44d1e20c14c66bc4f1cc35526f45f89db613162d09f878842b149e54ce58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking listenbrainz-rust v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `MAX_LISTEN_SIZE`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const MAX_LISTEN_SIZE: i32 = 10240;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_ITEMS_PER_GET`
[INFO] [stdout]  --> src/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MAX_ITEMS_PER_GET: i32 = 100;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_ITEMS_PER_GET`
[INFO] [stdout]  --> src/constants.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DEFAULT_ITEMS_PER_GET: i32 = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_TAGS_PER_LISTEN`
[INFO] [stdout]  --> src/constants.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const MAX_TAGS_PER_LISTEN: i32 = 50;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_TAG_SIZE`
[INFO] [stdout]  --> src/constants.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MAX_TAG_SIZE: i32 = 64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_LISTEN_SIZE`
[INFO] [stdout]  --> src/constants.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub const MAX_LISTEN_SIZE: i32 = 10240;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_ITEMS_PER_GET`
[INFO] [stdout]  --> src/constants.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub const MAX_ITEMS_PER_GET: i32 = 100;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `DEFAULT_ITEMS_PER_GET`
[INFO] [stdout]  --> src/constants.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const DEFAULT_ITEMS_PER_GET: i32 = 25;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_TAGS_PER_LISTEN`
[INFO] [stdout]  --> src/constants.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const MAX_TAGS_PER_LISTEN: i32 = 50;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_TAG_SIZE`
[INFO] [stdout]  --> src/constants.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub const MAX_TAG_SIZE: i32 = 64;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "1dbd44d1e20c14c66bc4f1cc35526f45f89db613162d09f878842b149e54ce58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbd44d1e20c14c66bc4f1cc35526f45f89db613162d09f878842b149e54ce58", kill_on_drop: false }`
[INFO] [stdout] 1dbd44d1e20c14c66bc4f1cc35526f45f89db613162d09f878842b149e54ce58