[INFO] fetching crate aria2-ws 0.4.0...
[INFO] checking aria2-ws-0.4.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate aria2-ws 0.4.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate aria2-ws 0.4.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate aria2-ws 0.4.0
[INFO] finished tweaking crates.io crate aria2-ws 0.4.0
[INFO] tweaked toml for crates.io crate aria2-ws 0.4.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 154 packages
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a295715a312db562f68087393df2ed6f16d8d702d842b7ceb6c11f0ef7ab3963
[INFO] running `Command { std: "docker" "start" "-a" "a295715a312db562f68087393df2ed6f16d8d702d842b7ceb6c11f0ef7ab3963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a295715a312db562f68087393df2ed6f16d8d702d842b7ceb6c11f0ef7ab3963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a295715a312db562f68087393df2ed6f16d8d702d842b7ceb6c11f0ef7ab3963", kill_on_drop: false }`
[INFO] [stdout] a295715a312db562f68087393df2ed6f16d8d702d842b7ceb6c11f0ef7ab3963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b55f3f16054cf9fd8e9be533109c1b5ffad007043cfe238d08b111fec24060d
[INFO] running `Command { std: "docker" "start" "-a" "2b55f3f16054cf9fd8e9be533109c1b5ffad007043cfe238d08b111fec24060d", kill_on_drop: false }`
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[INFO] [stderr]     Checking aria2-ws v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `push_value` is never used
[INFO] [stdout]   --> src/utils.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait PushExt {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn push_value<T: Serialize>(&mut self, t: T) -> Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `push_value` is never used
[INFO] [stdout]   --> src/utils.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub trait PushExt {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn push_value<T: Serialize>(&mut self, t: T) -> Result<()>;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[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 10.23s
[INFO] running `Command { std: "docker" "inspect" "2b55f3f16054cf9fd8e9be533109c1b5ffad007043cfe238d08b111fec24060d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b55f3f16054cf9fd8e9be533109c1b5ffad007043cfe238d08b111fec24060d", kill_on_drop: false }`
[INFO] [stdout] 2b55f3f16054cf9fd8e9be533109c1b5ffad007043cfe238d08b111fec24060d
