[INFO] fetching crate brr 0.0.21...
[INFO] testing brr-0.0.21 against 1.76.0 for beta-1.77-1
[INFO] extracting crate brr 0.0.21 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate brr 0.0.21 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brr 0.0.21
[INFO] finished tweaking crates.io crate brr 0.0.21
[INFO] tweaked toml for crates.io crate brr 0.0.21 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate brr 0.0.21 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f1c027dfe1e5b480b4f70510f5a9262382579a4d22b8e352824aa2c08c7ba2d
[INFO] running `Command { std: "docker" "start" "-a" "6f1c027dfe1e5b480b4f70510f5a9262382579a4d22b8e352824aa2c08c7ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f1c027dfe1e5b480b4f70510f5a9262382579a4d22b8e352824aa2c08c7ba2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1c027dfe1e5b480b4f70510f5a9262382579a4d22b8e352824aa2c08c7ba2d", kill_on_drop: false }`
[INFO] [stdout] 6f1c027dfe1e5b480b4f70510f5a9262382579a4d22b8e352824aa2c08c7ba2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 728c7356ef9259a9aa5c44c65eb00cec66c7ecaf48c94bd665dc4cbf10ce618f
[INFO] running `Command { std: "docker" "start" "-a" "728c7356ef9259a9aa5c44c65eb00cec66c7ecaf48c94bd665dc4cbf10ce618f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling dirs-sys v0.3.6
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[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sharded-slab v0.1.3
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[INFO] [stderr]    Compiling mime v0.3.16
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[INFO] [stderr]    Compiling rustc-serialize v0.3.24
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[INFO] [stdout] error[E0310]: the parameter type `T` may not live long enough
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rustc-serialize-0.3.24/src/serialize.rs:1155:5
[INFO] [stdout]      |
[INFO] [stdout] 1155 |     fn decode<D: Decoder>(d: &mut D) -> Result<Cow<'static, T>, D::Error> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |     |
[INFO] [stdout]      |     the parameter type `T` must be valid for the static lifetime...
[INFO] [stdout]      |     ...so that the type `T` will meet its required lifetime bounds...
[INFO] [stdout]      |
[INFO] [stdout] note: ...that is required by this bound
[INFO] [stdout]     --> /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/borrow.rs:180:30
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]      |
[INFO] [stdout] 1151 | impl<'a, T: ?Sized + 'static> Decodable for Cow<'a, T>
[INFO] [stdout]      |                    +++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0310`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr] error: could not compile `rustc-serialize` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "728c7356ef9259a9aa5c44c65eb00cec66c7ecaf48c94bd665dc4cbf10ce618f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728c7356ef9259a9aa5c44c65eb00cec66c7ecaf48c94bd665dc4cbf10ce618f", kill_on_drop: false }`
[INFO] [stdout] 728c7356ef9259a9aa5c44c65eb00cec66c7ecaf48c94bd665dc4cbf10ce618f
