[INFO] cloning repository https://github.com/Nouzan/echo-event
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nouzan/echo-event" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNouzan%2Fecho-event", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNouzan%2Fecho-event'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54127d51d611af545ca611aa17c1a16ea06cd093
[INFO] checking Nouzan/echo-event against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNouzan%2Fecho-event" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Nouzan/echo-event
[INFO] finished tweaking git repo https://github.com/Nouzan/echo-event
[INFO] tweaked toml for git repo https://github.com/Nouzan/echo-event written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Nouzan/echo-event on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Nouzan/echo-event 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d32eef1aa52596c70a622ec3ba01e0e7b762e19d4cedf8f13e82a19c8f5e4c8
[INFO] running `Command { std: "docker" "start" "-a" "8d32eef1aa52596c70a622ec3ba01e0e7b762e19d4cedf8f13e82a19c8f5e4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d32eef1aa52596c70a622ec3ba01e0e7b762e19d4cedf8f13e82a19c8f5e4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d32eef1aa52596c70a622ec3ba01e0e7b762e19d4cedf8f13e82a19c8f5e4c8", kill_on_drop: false }`
[INFO] [stdout] 8d32eef1aa52596c70a622ec3ba01e0e7b762e19d4cedf8f13e82a19c8f5e4c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f188265d81189cd6ce75366e9e98958a33bccd7fcc33d6c39db46577adc49aa9
[INFO] running `Command { std: "docker" "start" "-a" "f188265d81189cd6ce75366e9e98958a33bccd7fcc33d6c39db46577adc49aa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking unicase v2.6.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking echo-event v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Html<std::string::String>, Infallible>
[INFO] [stdout]   --> src/main.rs:20:56
[INFO] [stdout]    |
[INFO] [stdout] 20 |           .and_then(|buf: Arc<Mutex<String>>| async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 21 | |             let mut buf = buf.lock().await;
[INFO] [stdout] 22 | |             let data = buf.to_string();
[INFO] [stdout] 23 | |             println!("got {}", data);
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |             Ok::<_, std::convert::Infallible>(warp::reply::html(body))
[INFO] [stdout] 40 | |         });
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Html<std::string::String>, Infallible>
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Ok::<_, std::convert::Infallible>(warp::reply::html(body))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Json, Infallible>
[INFO] [stdout]   --> src/main.rs:47:70
[INFO] [stdout]    |
[INFO] [stdout] 47 |           .and_then(|event: Event, buf: Arc<Mutex<String>>| async move {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 48 | |             let mut buf = buf.lock().await;
[INFO] [stdout] 49 | |             buf.push_str(&format!("<div>{}</div>\n", event.message));
[INFO] [stdout] 50 | |             println!("{}", buf);
[INFO] [stdout] 51 | |             Ok::<_, std::convert::Infallible>(warp::reply::json(&event))
[INFO] [stdout] 52 | |         });
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Json, Infallible>
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Ok::<_, std::convert::Infallible>(warp::reply::json(&event))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Html<std::string::String>, Infallible>
[INFO] [stdout]   --> src/main.rs:20:56
[INFO] [stdout]    |
[INFO] [stdout] 20 |           .and_then(|buf: Arc<Mutex<String>>| async move {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 21 | |             let mut buf = buf.lock().await;
[INFO] [stdout] 22 | |             let data = buf.to_string();
[INFO] [stdout] 23 | |             println!("got {}", data);
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |             Ok::<_, std::convert::Infallible>(warp::reply::html(body))
[INFO] [stdout] 40 | |         });
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo-event` (bin "echo-event" test) due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<Html<std::string::String>, Infallible>
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Ok::<_, std::convert::Infallible>(warp::reply::html(body))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:47:70
[INFO] [stdout]    |
[INFO] [stdout] 47 |           .and_then(|event: Event, buf: Arc<Mutex<String>>| async move {
[INFO] [stdout]    |  ______________________________________________________________________^
[INFO] [stdout] 48 | |             let mut buf = buf.lock().await;
[INFO] [stdout] 49 | |             buf.push_str(&format!("<div>{}</div>\n", event.message));
[INFO] [stdout] 50 | |             println!("{}", buf);
[INFO] [stdout] 51 | |             Ok::<_, std::convert::Infallible>(warp::reply::json(&event))
[INFO] [stdout] 52 | |         });
[INFO] [stdout]    | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `echo-event` (bin "echo-event") due to 4 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<warp::reply::Json, Infallible>
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             Ok::<_, std::convert::Infallible>(warp::reply::json(&event))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f188265d81189cd6ce75366e9e98958a33bccd7fcc33d6c39db46577adc49aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f188265d81189cd6ce75366e9e98958a33bccd7fcc33d6c39db46577adc49aa9", kill_on_drop: false }`
[INFO] [stdout] f188265d81189cd6ce75366e9e98958a33bccd7fcc33d6c39db46577adc49aa9
