[INFO] cloning repository https://github.com/friedhar/libellus [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/friedhar/libellus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriedhar%2Flibellus", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriedhar%2Flibellus'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a3e59da132f6bdf6f8d0f168cb691b37c8d73019 [INFO] checking friedhar/libellus against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffriedhar%2Flibellus" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/friedhar/libellus on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/friedhar/libellus [INFO] finished tweaking git repo https://github.com/friedhar/libellus [INFO] tweaked toml for git repo https://github.com/friedhar/libellus written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/friedhar/libellus 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87b26a07c3d84bb89f122959bcd7689ee4244b3763ad5b340ea98d56bb0cc4a0 [INFO] running `Command { std: "docker" "start" "-a" "87b26a07c3d84bb89f122959bcd7689ee4244b3763ad5b340ea98d56bb0cc4a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87b26a07c3d84bb89f122959bcd7689ee4244b3763ad5b340ea98d56bb0cc4a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87b26a07c3d84bb89f122959bcd7689ee4244b3763ad5b340ea98d56bb0cc4a0", kill_on_drop: false }` [INFO] [stdout] 87b26a07c3d84bb89f122959bcd7689ee4244b3763ad5b340ea98d56bb0cc4a0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 993f7f04756376571465fcbf0c1aa2c79a09e0b8313717a0404ad079df5b112d [INFO] running `Command { std: "docker" "start" "-a" "993f7f04756376571465fcbf0c1aa2c79a09e0b8313717a0404ad079df5b112d", kill_on_drop: false }` [INFO] [stderr] Checking libellus v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `borrow::Borrow` [INFO] [stdout] --> src/lib.rs:127:15 [INFO] [stdout] | [INFO] [stdout] 127 | use std::{borrow::Borrow, hint::black_box, time::Instant}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `MAX_ORDERS` is never used [INFO] [stdout] --> src/lib.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | const MAX_ORDERS: usize = 1024; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Order` is never constructed [INFO] [stdout] --> src/lib.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | struct Order { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrderBook` is never constructed [INFO] [stdout] --> src/lib.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct OrderBook { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `place`, `compare_orders`, `cancel`, `best_bid`, and `best_ask` are never used [INFO] [stdout] --> src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 18 | impl OrderBook { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 19 | #[inline] [INFO] [stdout] 20 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 31 | fn place(&mut self, px: u64, sz: u32, is_bid: bool, ts: u64) -> Option { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | fn compare_orders(new: &Order, existing: &Order, is_bid: bool) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 84 | fn cancel(&mut self, id: u32, is_bid: bool) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 107 | fn best_bid(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 116 | fn best_ask(&self) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bid2` [INFO] [stdout] --> src/lib.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | let bid2 = book.place(9950, 100, true, 2).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_bid2` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ask2` [INFO] [stdout] --> src/lib.rs:190:13 [INFO] [stdout] | [INFO] [stdout] 190 | let ask2 = book.place(10200, 25, false, 4).unwrap(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_ask2` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "993f7f04756376571465fcbf0c1aa2c79a09e0b8313717a0404ad079df5b112d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "993f7f04756376571465fcbf0c1aa2c79a09e0b8313717a0404ad079df5b112d", kill_on_drop: false }` [INFO] [stdout] 993f7f04756376571465fcbf0c1aa2c79a09e0b8313717a0404ad079df5b112d