[INFO] cloning repository https://github.com/chaynabors/whetstone [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chaynabors/whetstone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaynabors%2Fwhetstone", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchaynabors%2Fwhetstone'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8abd487a0d2902c65a09bd101173ec089ec9d6cb [INFO] checking chaynabors/whetstone 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%2Fchaynabors%2Fwhetstone" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/chaynabors/whetstone [INFO] finished tweaking git repo https://github.com/chaynabors/whetstone [INFO] tweaked toml for git repo https://github.com/chaynabors/whetstone written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/chaynabors/whetstone 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/chaynabors/whetstone 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e03d9c2c1235c1f056287547a6391509e4993c14b782b765f47b7d15bccc0ca5 [INFO] running `Command { std: "docker" "start" "-a" "e03d9c2c1235c1f056287547a6391509e4993c14b782b765f47b7d15bccc0ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e03d9c2c1235c1f056287547a6391509e4993c14b782b765f47b7d15bccc0ca5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e03d9c2c1235c1f056287547a6391509e4993c14b782b765f47b7d15bccc0ca5", kill_on_drop: false }` [INFO] [stdout] e03d9c2c1235c1f056287547a6391509e4993c14b782b765f47b7d15bccc0ca5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6c428e6dbc6835faf575fa1dfe667341c97ff4923ed0e7908c4544446789ec4c [INFO] running `Command { std: "docker" "start" "-a" "6c428e6dbc6835faf575fa1dfe667341c97ff4923ed0e7908c4544446789ec4c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling lock_api v0.4.6 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling siphasher v0.3.10 [INFO] [stderr] Compiling new_debug_unreachable v1.0.4 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling ena v0.14.0 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling diff v0.1.12 [INFO] [stderr] Compiling petgraph v0.5.1 [INFO] [stderr] Compiling pico-args v0.4.2 [INFO] [stderr] Compiling string_cache v0.8.3 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling lalrpop-util v0.19.7 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling lalrpop v0.19.7 [INFO] [stderr] Compiling clap_derive v3.1.4 [INFO] [stderr] Checking clap v3.1.6 [INFO] [stderr] Compiling whetstone v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] 3 - Io(std::io::Error), [INFO] [stdout] 3 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Parsing` is never constructed [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 3 | Io(std::io::Error), [INFO] [stdout] 4 | Parsing(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | file: Option, [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 `whetstone` (bin "whetstone" test) due to 1 previous error; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/error.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | Io(std::io::Error), [INFO] [stdout] | -- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] 3 - Io(std::io::Error), [INFO] [stdout] 3 + Io(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Parsing` is never constructed [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 3 | Io(std::io::Error), [INFO] [stdout] 4 | Parsing(String), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | file: Option, [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 `whetstone` (bin "whetstone") due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6c428e6dbc6835faf575fa1dfe667341c97ff4923ed0e7908c4544446789ec4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c428e6dbc6835faf575fa1dfe667341c97ff4923ed0e7908c4544446789ec4c", kill_on_drop: false }` [INFO] [stdout] 6c428e6dbc6835faf575fa1dfe667341c97ff4923ed0e7908c4544446789ec4c