[INFO] fetching crate mprisqueeze 0.1.6...
[INFO] checking mprisqueeze-0.1.6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mprisqueeze 0.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate mprisqueeze 0.1.6 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mprisqueeze 0.1.6
[INFO] finished tweaking crates.io crate mprisqueeze 0.1.6
[INFO] tweaked toml for crates.io crate mprisqueeze 0.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate mprisqueeze 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f750ce3c7d936fff92996ff56e5b8fa83823ecfc75f9a6dba7d23d325ac699b
[INFO] running `Command { std: "docker" "start" "-a" "6f750ce3c7d936fff92996ff56e5b8fa83823ecfc75f9a6dba7d23d325ac699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f750ce3c7d936fff92996ff56e5b8fa83823ecfc75f9a6dba7d23d325ac699b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f750ce3c7d936fff92996ff56e5b8fa83823ecfc75f9a6dba7d23d325ac699b", kill_on_drop: false }`
[INFO] [stdout] 6f750ce3c7d936fff92996ff56e5b8fa83823ecfc75f9a6dba7d23d325ac699b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da213412626ba5d0a2b4c25c0f12911f96a4df86d5fbfc0f27f401648a4aaca9
[INFO] running `Command { std: "docker" "start" "-a" "da213412626ba5d0a2b4c25c0f12911f96a4df86d5fbfc0f27f401648a4aaca9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]     Checking futures-core v0.3.30
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[INFO] [stderr]     Checking mprisqueeze v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `uuid` is never read
[INFO] [stdout]   --> src/discover.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Reply {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub uuid: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Reply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `uuid` is never read
[INFO] [stdout]   --> src/discover.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Reply {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 17 |     pub uuid: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Reply` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "da213412626ba5d0a2b4c25c0f12911f96a4df86d5fbfc0f27f401648a4aaca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da213412626ba5d0a2b4c25c0f12911f96a4df86d5fbfc0f27f401648a4aaca9", kill_on_drop: false }`
[INFO] [stdout] da213412626ba5d0a2b4c25c0f12911f96a4df86d5fbfc0f27f401648a4aaca9