[INFO] fetching crate firststep-name 0.1.0...
[INFO] checking firststep-name-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate firststep-name 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate firststep-name 0.1.0
[INFO] finished tweaking crates.io crate firststep-name 0.1.0
[INFO] tweaked toml for crates.io crate firststep-name 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate firststep-name 0.1.0 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 crates.io crate firststep-name 0.1.0 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] 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] 4efbd48512b56688b3599609d5e91e0090310ada30a7698a2672773903b4bbb3
[INFO] running `Command { std: "docker" "start" "-a" "4efbd48512b56688b3599609d5e91e0090310ada30a7698a2672773903b4bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efbd48512b56688b3599609d5e91e0090310ada30a7698a2672773903b4bbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efbd48512b56688b3599609d5e91e0090310ada30a7698a2672773903b4bbb3", kill_on_drop: false }`
[INFO] [stdout] 4efbd48512b56688b3599609d5e91e0090310ada30a7698a2672773903b4bbb3
[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] 8e22d889c83e298a0a4833cb879d2775b07586891a123669ab1cdbc8d0be0c0a
[INFO] running `Command { std: "docker" "start" "-a" "8e22d889c83e298a0a4833cb879d2775b07586891a123669ab1cdbc8d0be0c0a", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `HeadTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeadTemplate<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FooterTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FooterTemplate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScriptTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ScriptTemplate {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StyleTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct StyleTemplate {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[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<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]   --> src/templates.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]   --> src/templates.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]   --> src/templates.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]   --> src/templates.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `send_ctrl_c_signal` is never used
[INFO] [stdout]    --> src/server.rs:144:8
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn send_ctrl_c_signal() {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HeadTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct HeadTemplate<'a> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FooterTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct FooterTemplate {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ScriptTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct ScriptTemplate {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StyleTemplate` is never constructed
[INFO] [stdout]   --> src/templates.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct StyleTemplate {}
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[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<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]  --> src/templates.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Template)]
[INFO] [stdout]   |          ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]   --> src/templates.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]   --> src/templates.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]   --> src/templates.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]   --> src/templates.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<filters::escape::EscapeDisplay<&&str, templates::_::askama::filters::Html>, Infallible>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: ControlFlow<Result<Infallible, Infallible>, &i32>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<&i32, Infallible>
[INFO] [stdout]   --> src/templates.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 | #[derive(Template)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the derive macro `Template` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firststep-name` (bin "firststep_name") due to 13 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `firststep-name` (bin "firststep_name" test) due to 13 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8e22d889c83e298a0a4833cb879d2775b07586891a123669ab1cdbc8d0be0c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e22d889c83e298a0a4833cb879d2775b07586891a123669ab1cdbc8d0be0c0a", kill_on_drop: false }`
[INFO] [stdout] 8e22d889c83e298a0a4833cb879d2775b07586891a123669ab1cdbc8d0be0c0a
