[INFO] fetching crate loaded_dice 0.2.1... [INFO] building loaded_dice-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate loaded_dice 0.2.1 into /workspace/builds/worker-102/source [INFO] validating manifest of crates.io crate loaded_dice 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate loaded_dice 0.2.1 [INFO] finished tweaking crates.io crate loaded_dice 0.2.1 [INFO] tweaked toml for crates.io crate loaded_dice 0.2.1 written to /workspace/builds/worker-102/source/Cargo.toml [INFO] crate crates.io crate loaded_dice 0.2.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 40aad539b511715cd93b0d9ee0aa8b8aebce873a08f41800880838e36ea76253 [INFO] running `Command { std: "docker" "start" "-a" "40aad539b511715cd93b0d9ee0aa8b8aebce873a08f41800880838e36ea76253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "40aad539b511715cd93b0d9ee0aa8b8aebce873a08f41800880838e36ea76253", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40aad539b511715cd93b0d9ee0aa8b8aebce873a08f41800880838e36ea76253", kill_on_drop: false }` [INFO] [stdout] 40aad539b511715cd93b0d9ee0aa8b8aebce873a08f41800880838e36ea76253 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a92aa8dddecd26e0adcc390cf767af9b9e2f3c0ae2a04d45f0d9b0aa8a417b3f [INFO] running `Command { std: "docker" "start" "-a" "a92aa8dddecd26e0adcc390cf767af9b9e2f3c0ae2a04d45f0d9b0aa8a417b3f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling loaded_dice v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/example.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..iter) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - for i in (0..iter) { [INFO] [stdout] 9 + for i in 0..iter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/example.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/example.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..iter) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.26s [INFO] running `Command { std: "docker" "inspect" "a92aa8dddecd26e0adcc390cf767af9b9e2f3c0ae2a04d45f0d9b0aa8a417b3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a92aa8dddecd26e0adcc390cf767af9b9e2f3c0ae2a04d45f0d9b0aa8a417b3f", kill_on_drop: false }` [INFO] [stdout] a92aa8dddecd26e0adcc390cf767af9b9e2f3c0ae2a04d45f0d9b0aa8a417b3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f282b1625c96d109a4fa43ea7d5aae54df3b2b324917f95fa84d661f93aba012 [INFO] running `Command { std: "docker" "start" "-a" "f282b1625c96d109a4fa43ea7d5aae54df3b2b324917f95fa84d661f93aba012", kill_on_drop: false }` [INFO] [stderr] Compiling loaded_dice v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/example.rs:9:14 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..iter) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 9 - for i in (0..iter) { [INFO] [stdout] 9 + for i in 0..iter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> src/example.rs:5:24 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/example.rs:9:9 [INFO] [stdout] | [INFO] [stdout] 9 | for i in (0..iter) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/lib.rs:78:18 [INFO] [stdout] | [INFO] [stdout] 78 | for i in (0..iter) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 78 - for i in (0..iter) { [INFO] [stdout] 78 + for i in 0..iter { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:78:13 [INFO] [stdout] | [INFO] [stdout] 78 | for i in (0..iter) { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.14s [INFO] running `Command { std: "docker" "inspect" "f282b1625c96d109a4fa43ea7d5aae54df3b2b324917f95fa84d661f93aba012", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f282b1625c96d109a4fa43ea7d5aae54df3b2b324917f95fa84d661f93aba012", kill_on_drop: false }` [INFO] [stdout] f282b1625c96d109a4fa43ea7d5aae54df3b2b324917f95fa84d661f93aba012