[INFO] fetching crate symphonia-core 0.2.0...
[INFO] checking symphonia-core-0.2.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate symphonia-core 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate symphonia-core 0.2.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symphonia-core 0.2.0
[INFO] finished tweaking crates.io crate symphonia-core 0.2.0
[INFO] tweaked toml for crates.io crate symphonia-core 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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] fd934bafeb654971938b0e022fccbf72ee11c93da28bc1b48acfde3a8b3b9aa9
[INFO] running `Command { std: "docker" "start" "-a" "fd934bafeb654971938b0e022fccbf72ee11c93da28bc1b48acfde3a8b3b9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd934bafeb654971938b0e022fccbf72ee11c93da28bc1b48acfde3a8b3b9aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd934bafeb654971938b0e022fccbf72ee11c93da28bc1b48acfde3a8b3b9aa9", kill_on_drop: false }`
[INFO] [stdout] fd934bafeb654971938b0e022fccbf72ee11c93da28bc1b48acfde3a8b3b9aa9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] a0fea84c81399c19444618cdec04d23b4ffc907375135e8b5b6b66bd6055df25
[INFO] running `Command { std: "docker" "start" "-a" "a0fea84c81399c19444618cdec04d23b4ffc907375135e8b5b6b66bd6055df25", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking symphonia-core v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `extension`
[INFO] [stdout]    --> src/probe.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     extension: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mime_type`
[INFO] [stdout]    --> src/probe.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mime_type: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extension`
[INFO] [stdout]    --> src/probe.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     extension: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mime_type`
[INFO] [stdout]    --> src/probe.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     mime_type: Option<String>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "a0fea84c81399c19444618cdec04d23b4ffc907375135e8b5b6b66bd6055df25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fea84c81399c19444618cdec04d23b4ffc907375135e8b5b6b66bd6055df25", kill_on_drop: false }`
[INFO] [stdout] a0fea84c81399c19444618cdec04d23b4ffc907375135e8b5b6b66bd6055df25