[INFO] cloning repository https://github.com/peter-bertok/float_fast_print [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/peter-bertok/float_fast_print" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6bb467250096f008c354de08c69f3325d9d03e0a [INFO] checking peter-bertok/float_fast_print/6bb467250096f008c354de08c69f3325d9d03e0a against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeter-bertok%2Ffloat_fast_print" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/peter-bertok/float_fast_print [INFO] finished tweaking git repo https://github.com/peter-bertok/float_fast_print [INFO] tweaked toml for git repo https://github.com/peter-bertok/float_fast_print written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/peter-bertok/float_fast_print on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/peter-bertok/float_fast_print 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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitflags v1.0.3 [INFO] [stderr] Downloaded rand v0.5.4 [INFO] [stderr] Downloaded libc v0.2.42 [INFO] [stderr] Downloaded winapi v0.3.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc04f971c57a30a0834ae72eb252130ed1789c5ceebdcd6dd27e318f551d9052 [INFO] running `Command { std: "docker" "start" "-a" "fc04f971c57a30a0834ae72eb252130ed1789c5ceebdcd6dd27e318f551d9052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc04f971c57a30a0834ae72eb252130ed1789c5ceebdcd6dd27e318f551d9052", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc04f971c57a30a0834ae72eb252130ed1789c5ceebdcd6dd27e318f551d9052", kill_on_drop: false }` [INFO] [stdout] fc04f971c57a30a0834ae72eb252130ed1789c5ceebdcd6dd27e318f551d9052 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 763e61e6dc5c4f98f7d9f4e0f9f3680d8c94ee1b9cc38b7959d1bb1dd6201595 [INFO] running `Command { std: "docker" "start" "-a" "763e61e6dc5c4f98f7d9f4e0f9f3680d8c94ee1b9cc38b7959d1bb1dd6201595", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking rand_core v0.2.1 [INFO] [stderr] Checking libc v0.2.42 [INFO] [stderr] Checking float_fast_print v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))] [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 for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/lib.rs:342:17 [INFO] [stdout] | [INFO] [stdout] 342 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/lib.rs:577:17 [INFO] [stdout] | [INFO] [stdout] 577 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand v0.5.4 [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | write!(&mut buffer, "{:?}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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] 17 | let _ = write!(&mut buffer, "{:?}", x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | write!(&mut buffer, "{}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 28 | let _ = write!(&mut buffer, "{}", x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | write!(&mut buffer, "{:?}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = write!(&mut buffer, "{:?}", x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> tests/benchmarks.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | write!(&mut buffer, "{}", x); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = write!(&mut buffer, "{}", x); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy` [INFO] [stdout] --> src/lib.rs:1:13 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg_attr(feature = "cargo-clippy", allow(unreadable_literal))] [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 for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/lib.rs:342:17 [INFO] [stdout] | [INFO] [stdout] 342 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/lib.rs:577:17 [INFO] [stdout] | [INFO] [stdout] 577 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `Command { std: "docker" "inspect" "763e61e6dc5c4f98f7d9f4e0f9f3680d8c94ee1b9cc38b7959d1bb1dd6201595", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "763e61e6dc5c4f98f7d9f4e0f9f3680d8c94ee1b9cc38b7959d1bb1dd6201595", kill_on_drop: false }` [INFO] [stdout] 763e61e6dc5c4f98f7d9f4e0f9f3680d8c94ee1b9cc38b7959d1bb1dd6201595