[INFO] cloning repository https://github.com/ayosec/markdown-preview
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayosec/markdown-preview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayosec%2Fmarkdown-preview", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayosec%2Fmarkdown-preview'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 369a1dcc888e20829c6d95d42e3148b918a84156
[INFO] checking ayosec/markdown-preview 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%2Fayosec%2Fmarkdown-preview" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ayosec/markdown-preview
[INFO] finished tweaking git repo https://github.com/ayosec/markdown-preview
[INFO] tweaked toml for git repo https://github.com/ayosec/markdown-preview written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ayosec/markdown-preview 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/ayosec/markdown-preview 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] fa2323c06379bcaefcd6a1d4dadd7e1cb4136890134556b5719c756633867748
[INFO] running `Command { std: "docker" "start" "-a" "fa2323c06379bcaefcd6a1d4dadd7e1cb4136890134556b5719c756633867748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2323c06379bcaefcd6a1d4dadd7e1cb4136890134556b5719c756633867748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2323c06379bcaefcd6a1d4dadd7e1cb4136890134556b5719c756633867748", kill_on_drop: false }`
[INFO] [stdout] fa2323c06379bcaefcd6a1d4dadd7e1cb4136890134556b5719c756633867748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f1f66dacc06b6be69cdd213e6c6ff4b8cb9f46e6e1c8409bb53521861300fa22
[INFO] running `Command { std: "docker" "start" "-a" "f1f66dacc06b6be69cdd213e6c6ff4b8cb9f46e6e1c8409bb53521861300fa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking futures-task v0.3.12
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[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling cc v1.0.66
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[INFO] [stderr]     Checking tracing v0.1.23
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[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking dtoa-short v0.3.3
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[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking idna v0.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking line-wrap v0.1.1
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[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]    Compiling selectors v0.22.0
[INFO] [stderr]     Checking http-body v0.4.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking headers v0.3.3
[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking entities v1.0.1
[INFO] [stderr]     Checking shell-words v1.0.0
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking plist v1.1.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking comrak v0.9.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking pin-project v1.0.5
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking onig v6.1.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking syntect v4.5.0
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking h2 v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.3
[INFO] [stderr]     Checking kuchiki v0.8.1
[INFO] [stderr]     Checking hyper v0.14.4
[INFO] [stderr]     Checking warp v0.3.0
[INFO] [stderr]     Checking markdown-preview v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<warp::sse::Event, Infallible>
[INFO] [stdout]   --> src/http.rs:59:51
[INFO] [stdout]    |
[INFO] [stdout] 59 |     WatchStream::new(watcher.unwrap()).map(|html| Ok(Event::default().event("message").data(html)))
[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<String, Infallible>
[INFO] [stdout]  --> src/options.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short = "a", long = "address", help = "Bind address", default_value = "127.0.0.1")]
[INFO] [stdout] 9 | |     pub address: String,
[INFO] [stdout]   | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(short = "s", long = "stylesheet", help = "Stylesheet to include in the HTML")]
[INFO] [stdout] 18 | |     pub stylesheet: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(short = "T", long = "theme", help = "Built-in theme ('list' to show available themes)")]
[INFO] [stdout] 21 | |     pub theme: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     #[structopt(help = "Source file")]
[INFO] [stdout] 24 | |     pub source: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown-preview` (bin "markdown-preview" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<warp::sse::Event, Infallible>
[INFO] [stdout]   --> src/http.rs:59:51
[INFO] [stdout]    |
[INFO] [stdout] 59 |     WatchStream::new(watcher.unwrap()).map(|html| Ok(Event::default().event("message").data(html)))
[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<String, Infallible>
[INFO] [stdout]  --> src/options.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | /     #[structopt(short = "a", long = "address", help = "Bind address", default_value = "127.0.0.1")]
[INFO] [stdout] 9 | |     pub address: String,
[INFO] [stdout]   | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | /     #[structopt(short = "s", long = "stylesheet", help = "Stylesheet to include in the HTML")]
[INFO] [stdout] 18 | |     pub stylesheet: Option<String>,
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | /     #[structopt(short = "T", long = "theme", help = "Built-in theme ('list' to show available themes)")]
[INFO] [stdout] 21 | |     pub theme: Option<String>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/options.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | /     #[structopt(help = "Source file")]
[INFO] [stdout] 24 | |     pub source: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markdown-preview` (bin "markdown-preview") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f1f66dacc06b6be69cdd213e6c6ff4b8cb9f46e6e1c8409bb53521861300fa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1f66dacc06b6be69cdd213e6c6ff4b8cb9f46e6e1c8409bb53521861300fa22", kill_on_drop: false }`
[INFO] [stdout] f1f66dacc06b6be69cdd213e6c6ff4b8cb9f46e6e1c8409bb53521861300fa22
