[INFO] cloning repository https://github.com/rgm3/printerfacts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rgm3/printerfacts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgm3%2Fprinterfacts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frgm3%2Fprinterfacts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 640a40809968f897b7de7694705eb5621bbe87ea
[INFO] checking rgm3/printerfacts 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%2Frgm3%2Fprinterfacts" "/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/rgm3/printerfacts
[INFO] finished tweaking git repo https://github.com/rgm3/printerfacts
[INFO] tweaked toml for git repo https://github.com/rgm3/printerfacts written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rgm3/printerfacts 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/rgm3/printerfacts 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] 98b39e1159de2d133a11e6da7be639adc76d13e381e8c703fc8d2febf9ee20fa
[INFO] running `Command { std: "docker" "start" "-a" "98b39e1159de2d133a11e6da7be639adc76d13e381e8c703fc8d2febf9ee20fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b39e1159de2d133a11e6da7be639adc76d13e381e8c703fc8d2febf9ee20fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b39e1159de2d133a11e6da7be639adc76d13e381e8c703fc8d2febf9ee20fa", kill_on_drop: false }`
[INFO] [stdout] 98b39e1159de2d133a11e6da7be639adc76d13e381e8c703fc8d2febf9ee20fa
[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] c88996b0e2635b4dc0394b5d76de874c82c07642e4121651e4572b4c003028a3
[INFO] running `Command { std: "docker" "start" "-a" "c88996b0e2635b4dc0394b5d76de874c82c07642e4121651e4572b4c003028a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
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[INFO] [stderr]     Checking tungstenite v0.12.0
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]    Compiling ructe v0.13.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]    Compiling printerfacts v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-tungstenite v0.13.0
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
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[INFO] [stderr]     Checking pfacts v0.1.0
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[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_not_found_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_header_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_index_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_footer_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_not_found_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_header_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_index_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/template_footer_html.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[cfg_attr(feature="cargo-clippy", allow(useless_attribute))]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/_utils_warp03.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Write(std::io::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RenderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 71 -     Write(std::io::Error),
[INFO] [stdout] 71 +     Write(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/_utils_warp03.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Build(warp::http::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RenderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 72 -     Build(warp::http::Error),
[INFO] [stdout] 72 +     Build(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 |   async fn give_fact(facts: Facts) -> Result<String, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 25 | |     HIT_COUNTER.with_label_values(&["fact"]).inc();
[INFO] [stdout] 26 | |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout] 27 | | }
[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/main.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 |   async fn give_fact(facts: Facts) -> Result<String, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 25 | |     HIT_COUNTER.with_label_values(&["fact"]).inc();
[INFO] [stdout] 26 | |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printerfacts` (bin "printerfacts" test) due to 3 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/_utils_warp03.rs:71:11
[INFO] [stdout]    |
[INFO] [stdout] 71 |     Write(std::io::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RenderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 71 -     Write(std::io::Error),
[INFO] [stdout] 71 +     Write(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/printerfacts-a303c56b602a5c6e/out/templates/_utils_warp03.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 |     Build(warp::http::Error),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RenderError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 72 -     Build(warp::http::Error),
[INFO] [stdout] 72 +     Build(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 |   async fn give_fact(facts: Facts) -> Result<String, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 25 | |     HIT_COUNTER.with_label_values(&["fact"]).inc();
[INFO] [stdout] 26 | |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout] 27 | | }
[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/main.rs:24:64
[INFO] [stdout]    |
[INFO] [stdout] 24 |   async fn give_fact(facts: Facts) -> Result<String, Infallible> {
[INFO] [stdout]    |  ________________________________________________________________^
[INFO] [stdout] 25 | |     HIT_COUNTER.with_label_values(&["fact"]).inc();
[INFO] [stdout] 26 | |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Ok(facts.choose(&mut thread_rng()).unwrap().clone())
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `printerfacts` (bin "printerfacts") due to 3 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c88996b0e2635b4dc0394b5d76de874c82c07642e4121651e4572b4c003028a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88996b0e2635b4dc0394b5d76de874c82c07642e4121651e4572b4c003028a3", kill_on_drop: false }`
[INFO] [stdout] c88996b0e2635b4dc0394b5d76de874c82c07642e4121651e4572b4c003028a3
