[INFO] fetching crate graph-http 0.0.2...
[INFO] testing graph-http-0.0.2 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate graph-http 0.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate graph-http 0.0.2 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graph-http 0.0.2
[INFO] finished tweaking crates.io crate graph-http 0.0.2
[INFO] tweaked toml for crates.io crate graph-http 0.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 085a14c80959d95f542e562ae9a76691f23e3c7b7d2bdbefe8a17d28deae24e6
[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" "085a14c80959d95f542e562ae9a76691f23e3c7b7d2bdbefe8a17d28deae24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "085a14c80959d95f542e562ae9a76691f23e3c7b7d2bdbefe8a17d28deae24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085a14c80959d95f542e562ae9a76691f23e3c7b7d2bdbefe8a17d28deae24e6", kill_on_drop: false }`
[INFO] [stdout] 085a14c80959d95f542e562ae9a76691f23e3c7b7d2bdbefe8a17d28deae24e6
[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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--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] bcb54357bbf851f1cc06fa5fb3bc2fa764412bd5cef378a4f975ca06162da915
[INFO] running `Command { std: "docker" "start" "-a" "bcb54357bbf851f1cc06fa5fb3bc2fa764412bd5cef378a4f975ca06162da915", kill_on_drop: false }`
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[INFO] [stderr]    Compiling handlebars v2.0.4
[INFO] [stderr]    Compiling graph-core v0.0.1
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.10
[INFO] [stderr]    Compiling graph-error v0.0.1
[INFO] [stderr]    Compiling graph-http v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/uploadsession/client.rs:113:55
[INFO] [stdout]     |
[INFO] [stdout] 110 | /     pub fn new(
[INFO] [stdout] 111 | |         upload_session: serde_json::Value,
[INFO] [stdout] 112 | |     ) -> GraphResult<UploadSessionClient<BlockingHttpClient>> {
[INFO] [stdout] 113 | |         let url = upload_session["uploadUrl"].as_str()?;
[INFO] [stdout]     | |                                                       ^ use `.ok_or(...)?` to provide an error compatible with `Result<uploadsession::client::UploadSessionClient<http_client::HttpClient<RefCell<request::GraphRequest<reqwest::blocking::Client, reqwest::blocking::Body, reqwest::blocking::multipart::Form>>>>, GraphFailure>`
[INFO] [stdout] ...   |
[INFO] [stdout] 118 | |         })
[INFO] [stdout] 119 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<uploadsession::client::UploadSessionClient<http_client::HttpClient<RefCell<request::GraphRequest<reqwest::blocking::Client, reqwest::blocking::Body, reqwest::blocking::multipart::Form>>>>, GraphFailure>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used on `Result`s, not `Option`s, in a method that returns `Result`
[INFO] [stdout]    --> src/uploadsession/client.rs:168:55
[INFO] [stdout]     |
[INFO] [stdout] 165 | /     pub fn new_async(
[INFO] [stdout] 166 | |         upload_session: serde_json::Value,
[INFO] [stdout] 167 | |     ) -> GraphResult<UploadSessionClient<AsyncHttpClient>> {
[INFO] [stdout] 168 | |         let url = upload_session["uploadUrl"].as_str()?;
[INFO] [stdout]     | |                                                       ^ use `.ok_or(...)?` to provide an error compatible with `Result<uploadsession::client::UploadSessionClient<http_client::HttpClient<Arc<tokio::sync::Mutex<request::GraphRequest<reqwest::Client, reqwest::Body, reqwest::multipart::Form>>>>>, GraphFailure>`
[INFO] [stdout] ...   |
[INFO] [stdout] 173 | |         })
[INFO] [stdout] 174 | |     }
[INFO] [stdout]     | |_____- this function returns a `Result`
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromResidual<std::option::Option<Infallible>>` is not implemented for `Result<uploadsession::client::UploadSessionClient<http_client::HttpClient<Arc<tokio::sync::Mutex<request::GraphRequest<reqwest::Client, reqwest::Body, reqwest::multipart::Form>>>>>, GraphFailure>`
[INFO] [stdout]     = note: required by `from_residual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `graph-http`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bcb54357bbf851f1cc06fa5fb3bc2fa764412bd5cef378a4f975ca06162da915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcb54357bbf851f1cc06fa5fb3bc2fa764412bd5cef378a4f975ca06162da915", kill_on_drop: false }`
[INFO] [stdout] bcb54357bbf851f1cc06fa5fb3bc2fa764412bd5cef378a4f975ca06162da915