[INFO] fetching crate cds 0.10.0... [INFO] checking cds-0.10.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate cds 0.10.0 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate cds 0.10.0 [INFO] finished tweaking crates.io crate cds 0.10.0 [INFO] tweaked toml for crates.io crate cds 0.10.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate cds 0.10.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] 234c9fdcc9d498b74e4ed4687d978a15f46b81f454a6d8d5f287be50e166b984 [INFO] running `Command { std: "docker" "start" "-a" "234c9fdcc9d498b74e4ed4687d978a15f46b81f454a6d8d5f287be50e166b984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "234c9fdcc9d498b74e4ed4687d978a15f46b81f454a6d8d5f287be50e166b984", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "234c9fdcc9d498b74e4ed4687d978a15f46b81f454a6d8d5f287be50e166b984", kill_on_drop: false }` [INFO] [stdout] 234c9fdcc9d498b74e4ed4687d978a15f46b81f454a6d8d5f287be50e166b984 [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] 150c16dea4719097cf92666f7a061bebe3a96be0f1c5e3a1fab46eeb48343ae4 [INFO] running `Command { std: "docker" "start" "-a" "150c16dea4719097cf92666f7a061bebe3a96be0f1c5e3a1fab46eeb48343ae4", kill_on_drop: false }` [INFO] [stderr] Checking cds v0.10.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition name: `tarpaulin_include` [INFO] [stdout] --> src/lib.rs:80:11 [INFO] [stdout] | [INFO] [stdout] 80 | #[cfg(not(tarpaulin_include))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 31 more [INFO] [stdout] = help: consider using a Cargo feature instead [INFO] [stdout] = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint: [INFO] [stdout] [lints.rust] [INFO] [stdout] unexpected_cfgs = { level = "warn", check-cfg = ['cfg(tarpaulin_include)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(tarpaulin_include)");` to the top of the `build.rs` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/sealed.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | pub trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/len/length_type.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 133 | <$U>::try_from(rhs) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | / length_type!( [INFO] [stdout] 211 | | /// Length-type with underlying `usize`. [INFO] [stdout] 212 | | Usize, [INFO] [stdout] 213 | | usize [INFO] [stdout] 214 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `length_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cds` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `Sealed` is never used [INFO] [stdout] --> src/sealed.rs:2:11 [INFO] [stdout] | [INFO] [stdout] 2 | pub trait Sealed {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/arrayvec/errors.rs:166:9 [INFO] [stdout] | [INFO] [stdout] 166 | format!("{} {}", e, e2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 166 | let _ = format!("{} {}", e, e2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `must_use` that must be used [INFO] [stdout] --> src/arrayvec/errors.rs:173:9 [INFO] [stdout] | [INFO] [stdout] 173 | format!("{} {}", e, e2); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 173 | let _ = format!("{} {}", e, e2); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/len/length_type.rs:133:17 [INFO] [stdout] | [INFO] [stdout] 133 | <$U>::try_from(rhs) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 210 | / length_type!( [INFO] [stdout] 211 | | /// Length-type with underlying `usize`. [INFO] [stdout] 212 | | Usize, [INFO] [stdout] 213 | | usize [INFO] [stdout] 214 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `length_type` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: missing documentation for a macro [INFO] [stdout] --> src/testing/dropped_zst.rs:12:1 [INFO] [stdout] | [INFO] [stdout] 12 | macro_rules! gen_dropped_zst { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | #![warn(missing_docs)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cds` (lib test) due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "150c16dea4719097cf92666f7a061bebe3a96be0f1c5e3a1fab46eeb48343ae4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "150c16dea4719097cf92666f7a061bebe3a96be0f1c5e3a1fab46eeb48343ae4", kill_on_drop: false }` [INFO] [stdout] 150c16dea4719097cf92666f7a061bebe3a96be0f1c5e3a1fab46eeb48343ae4