[INFO] cloning repository https://github.com/openkylin/rust-ryu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/openkylin/rust-ryu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-ryu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-ryu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 591f5f983653a6ea54be5ee39dc2c7f02ed75e7c [INFO] checking openkylin/rust-ryu against try#3f7e3b175fda7edbf81081bcd9b91b73f2f7993f for pr-156157-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fopenkylin%2Frust-ryu" "/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/openkylin/rust-ryu [INFO] finished tweaking git repo https://github.com/openkylin/rust-ryu [INFO] tweaked toml for git repo https://github.com/openkylin/rust-ryu written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/openkylin/rust-ryu on toolchain 3f7e3b175fda7edbf81081bcd9b91b73f2f7993f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/openkylin/rust-ryu 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" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8740398fcafeffbd36ca15871e05e5df0af0fde917a669a18e13c008e681d6ab [INFO] running `Command { std: "docker" "start" "-a" "8740398fcafeffbd36ca15871e05e5df0af0fde917a669a18e13c008e681d6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8740398fcafeffbd36ca15871e05e5df0af0fde917a669a18e13c008e681d6ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8740398fcafeffbd36ca15871e05e5df0af0fde917a669a18e13c008e681d6ab", kill_on_drop: false }` [INFO] [stdout] 8740398fcafeffbd36ca15871e05e5df0af0fde917a669a18e13c008e681d6ab [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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3f7e3b175fda7edbf81081bcd9b91b73f2f7993f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 415a9571036a32a86fbea3f60623bb186ab17518f44e567b23e0e7822c332581 [INFO] running `Command { std: "docker" "start" "-a" "415a9571036a32a86fbea3f60623bb186ab17518f44e567b23e0e7822c332581", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking ryu v1.0.15 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/f2s.rs:144:17 [INFO] [stdout] | [INFO] [stdout] 135 | vp /= 10; [INFO] [stdout] | -------- `vp` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 144 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stdout] warning: value assigned to `vp` is never read [INFO] [stdout] --> src/f2s.rs:144:17 [INFO] [stdout] | [INFO] [stdout] 135 | vp /= 10; [INFO] [stdout] | -------- `vp` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 144 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition name: `exhaustive` [INFO] [stdout] --> tests/exhaustive.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | #![cfg(exhaustive)] [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: expected names are: `docsrs`, `feature`, and `test` and 32 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(exhaustive)'] } [INFO] [stdout] = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(exhaustive)");` 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: value assigned to `vp` is never read [INFO] [stdout] --> tests/../src/f2s.rs:144:17 [INFO] [stdout] | [INFO] [stdout] 135 | vp /= 10; [INFO] [stdout] | -------- `vp` is overwritten here before the previous value is read [INFO] [stdout] ... [INFO] [stdout] 144 | vp /= 10; [INFO] [stdout] | ^^^^^^^^ this value is reassigned later and never used [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s [INFO] running `Command { std: "docker" "inspect" "415a9571036a32a86fbea3f60623bb186ab17518f44e567b23e0e7822c332581", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "415a9571036a32a86fbea3f60623bb186ab17518f44e567b23e0e7822c332581", kill_on_drop: false }` [INFO] [stdout] 415a9571036a32a86fbea3f60623bb186ab17518f44e567b23e0e7822c332581