[INFO] cloning repository https://github.com/anirudhb/polar [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anirudhb/polar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanirudhb%2Fpolar", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanirudhb%2Fpolar'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6061aeafbc5f9bda583cd87adb054bac603ff2d8 [INFO] checking anirudhb/polar 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%2Fanirudhb%2Fpolar" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/anirudhb/polar [INFO] finished tweaking git repo https://github.com/anirudhb/polar [INFO] tweaked toml for git repo https://github.com/anirudhb/polar written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/anirudhb/polar 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/anirudhb/polar 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d651a2d6e720f063094023fbffa17bdad5f14fc82e26644fbcd8fe84ac768644 [INFO] running `Command { std: "docker" "start" "-a" "d651a2d6e720f063094023fbffa17bdad5f14fc82e26644fbcd8fe84ac768644", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d651a2d6e720f063094023fbffa17bdad5f14fc82e26644fbcd8fe84ac768644", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d651a2d6e720f063094023fbffa17bdad5f14fc82e26644fbcd8fe84ac768644", kill_on_drop: false }` [INFO] [stdout] d651a2d6e720f063094023fbffa17bdad5f14fc82e26644fbcd8fe84ac768644 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d68c4790005939d6b125f00bc9b166982a045695c2bf6f4ef327763adec6478c [INFO] running `Command { std: "docker" "start" "-a" "d68c4790005939d6b125f00bc9b166982a045695c2bf6f4ef327763adec6478c", kill_on_drop: false }` [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.85 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.133 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling pulldown-cmark v0.9.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking minijinja v0.13.0 [INFO] [stderr] Compiling clap_derive v3.0.6 [INFO] [stderr] Checking clap v3.0.7 [INFO] [stderr] Checking polar v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `alignments` [INFO] [stdout] --> src/html.rs:125:19 [INFO] [stdout] | [INFO] [stdout] 125 | Table(alignments) => todo!(), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alignments` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/html.rs:148:32 [INFO] [stdout] | [INFO] [stdout] 148 | FootnoteDefinition(name) => todo!(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `alignments` [INFO] [stdout] --> src/html.rs:125:19 [INFO] [stdout] | [INFO] [stdout] 125 | Table(alignments) => todo!(), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_alignments` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/html.rs:148:32 [INFO] [stdout] | [INFO] [stdout] 148 | FootnoteDefinition(name) => todo!(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_name` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `outdir` is never read [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Polar<'a> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 19 | env: Environment<'a>, [INFO] [stdout] 20 | outdir: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Head` and `Body` are never constructed [INFO] [stdout] --> src/html.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum TableState { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 9 | Head, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `table_state` is never read [INFO] [stdout] --> src/html.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub(crate) struct HtmlWriter<'a, I, W> [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | table_state: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / #[clap(short, long, default_value = "out")] [INFO] [stdout] 14 | | outdir: PathBuf, [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 `polar` (bin "polar" test) due to 2 previous errors; 5 warnings emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | filename: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `outdir` is never read [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 18 | struct Polar<'a> { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] 19 | env: Environment<'a>, [INFO] [stdout] 20 | outdir: PathBuf, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Head` and `Body` are never constructed [INFO] [stdout] --> src/html.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | enum TableState { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 9 | Head, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `table_state` is never read [INFO] [stdout] --> src/html.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 18 | pub(crate) struct HtmlWriter<'a, I, W> [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 26 | table_state: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | / #[clap(short, long, default_value = "out")] [INFO] [stdout] 14 | | outdir: PathBuf, [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 [INFO] [stdout] --> src/main.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | filename: PathBuf, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `polar` (bin "polar") due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d68c4790005939d6b125f00bc9b166982a045695c2bf6f4ef327763adec6478c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d68c4790005939d6b125f00bc9b166982a045695c2bf6f4ef327763adec6478c", kill_on_drop: false }` [INFO] [stdout] d68c4790005939d6b125f00bc9b166982a045695c2bf6f4ef327763adec6478c