[INFO] cloning repository https://github.com/AlexVPopov/rust_in_other_languages [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlexVPopov/rust_in_other_languages" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexVPopov%2Frust_in_other_languages", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexVPopov%2Frust_in_other_languages'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bd0c169e64ac1ba7e8194665d8f1dd006a551c45 [INFO] checking AlexVPopov/rust_in_other_languages against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexVPopov%2Frust_in_other_languages" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AlexVPopov/rust_in_other_languages on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlexVPopov/rust_in_other_languages [INFO] finished tweaking git repo https://github.com/AlexVPopov/rust_in_other_languages [INFO] tweaked toml for git repo https://github.com/AlexVPopov/rust_in_other_languages written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/AlexVPopov/rust_in_other_languages already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: path `/workspace/builds/worker-9/source/src/embed.rs` was erroneously implicitly accepted for library `embed`, [INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c97c3ed0724a44c7c64892d9d0eab0261e138b4e951ca484ecd63e5ea7f29ee2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c97c3ed0724a44c7c64892d9d0eab0261e138b4e951ca484ecd63e5ea7f29ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c97c3ed0724a44c7c64892d9d0eab0261e138b4e951ca484ecd63e5ea7f29ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c97c3ed0724a44c7c64892d9d0eab0261e138b4e951ca484ecd63e5ea7f29ee2", kill_on_drop: false }` [INFO] [stdout] c97c3ed0724a44c7c64892d9d0eab0261e138b4e951ca484ecd63e5ea7f29ee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f8458ce3f8f78673f813721cc18bacbe5525355925c61bbe1990d2aa30ed4960 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f8458ce3f8f78673f813721cc18bacbe5525355925c61bbe1990d2aa30ed4960", kill_on_drop: false }` [INFO] [stderr] warning: path `/opt/rustwide/workdir/src/embed.rs` was erroneously implicitly accepted for library `embed`, [INFO] [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml [INFO] [stderr] Checking rust_in_other_languages v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/embed.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | for _ in (0..5_000_000) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/embed.rs:8:22 [INFO] [stdout] | [INFO] [stdout] 8 | for _ in (0..5_000_000) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.39s [INFO] running `Command { std: "docker" "inspect" "f8458ce3f8f78673f813721cc18bacbe5525355925c61bbe1990d2aa30ed4960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8458ce3f8f78673f813721cc18bacbe5525355925c61bbe1990d2aa30ed4960", kill_on_drop: false }` [INFO] [stdout] f8458ce3f8f78673f813721cc18bacbe5525355925c61bbe1990d2aa30ed4960