[INFO] cloning repository https://github.com/BadConfig/yens_algorithm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BadConfig/yens_algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadConfig%2Fyens_algorithm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadConfig%2Fyens_algorithm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 695da5572f0213c4e0c95af1d240254fe69b614e [INFO] building BadConfig/yens_algorithm against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBadConfig%2Fyens_algorithm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/BadConfig/yens_algorithm on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/BadConfig/yens_algorithm [INFO] finished tweaking git repo https://github.com/BadConfig/yens_algorithm [INFO] tweaked toml for git repo https://github.com/BadConfig/yens_algorithm written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/BadConfig/yens_algorithm 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3c0d41827721b32d43f78179e7dd24d4ad733b47636873489278e01c514be15c [INFO] running `Command { std: "docker" "start" "-a" "3c0d41827721b32d43f78179e7dd24d4ad733b47636873489278e01c514be15c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3c0d41827721b32d43f78179e7dd24d4ad733b47636873489278e01c514be15c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c0d41827721b32d43f78179e7dd24d4ad733b47636873489278e01c514be15c", kill_on_drop: false }` [INFO] [stdout] 3c0d41827721b32d43f78179e7dd24d4ad733b47636873489278e01c514be15c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c98ce0cce2e7d1d2f6cc3171144e9ea2eade1c46885e9c6a48c5a0e8c249f862 [INFO] running `Command { std: "docker" "start" "-a" "c98ce0cce2e7d1d2f6cc3171144e9ea2eade1c46885e9c6a48c5a0e8c249f862", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling yens_alg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self,Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:45:23 [INFO] [stdout] | [INFO] [stdout] 45 | .filter(|(num,val)| *val != 0) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | .filter(|(num,val)| !self.rm_edges.contains(&(vertex,*num))) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | .filter(|(num,val)| !self.rm_verts.contains(&vertex)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | .filter(|(num,val)| !self.rm_verts.contains(&vertex)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 48 | .filter(|(num,val)| !self.rm_verts.contains(&num)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spur_path_len` [INFO] [stdout] --> src/main.rs:244:22 [INFO] [stdout] | [INFO] [stdout] 244 | let (spur_path_len,spur_path) = match path_alg { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spur_path_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vec` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn read_vec() -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s [INFO] running `Command { std: "docker" "inspect" "c98ce0cce2e7d1d2f6cc3171144e9ea2eade1c46885e9c6a48c5a0e8c249f862", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c98ce0cce2e7d1d2f6cc3171144e9ea2eade1c46885e9c6a48c5a0e8c249f862", kill_on_drop: false }` [INFO] [stdout] c98ce0cce2e7d1d2f6cc3171144e9ea2eade1c46885e9c6a48c5a0e8c249f862 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 97d0f4706ee6af323f66171ebc8f71bfc6afb849c63598d66524689ff33e3e70 [INFO] running `Command { std: "docker" "start" "-a" "97d0f4706ee6af323f66171ebc8f71bfc6afb849c63598d66524689ff33e3e70", kill_on_drop: false }` [INFO] [stderr] Compiling yens_alg v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/main.rs:1:20 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{self,Read}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::prelude` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:45:23 [INFO] [stdout] | [INFO] [stdout] 45 | .filter(|(num,val)| *val != 0) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:46:27 [INFO] [stdout] | [INFO] [stdout] 46 | .filter(|(num,val)| !self.rm_edges.contains(&(vertex,*num))) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num` [INFO] [stdout] --> src/main.rs:47:23 [INFO] [stdout] | [INFO] [stdout] 47 | .filter(|(num,val)| !self.rm_verts.contains(&vertex)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:47:27 [INFO] [stdout] | [INFO] [stdout] 47 | .filter(|(num,val)| !self.rm_verts.contains(&vertex)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `val` [INFO] [stdout] --> src/main.rs:48:27 [INFO] [stdout] | [INFO] [stdout] 48 | .filter(|(num,val)| !self.rm_verts.contains(&num)) [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_val` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `spur_path_len` [INFO] [stdout] --> src/main.rs:244:22 [INFO] [stdout] | [INFO] [stdout] 244 | let (spur_path_len,spur_path) = match path_alg { [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_spur_path_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `read_vec` is never used [INFO] [stdout] --> src/main.rs:6:4 [INFO] [stdout] | [INFO] [stdout] 6 | fn read_vec() -> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "97d0f4706ee6af323f66171ebc8f71bfc6afb849c63598d66524689ff33e3e70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d0f4706ee6af323f66171ebc8f71bfc6afb849c63598d66524689ff33e3e70", kill_on_drop: false }` [INFO] [stdout] 97d0f4706ee6af323f66171ebc8f71bfc6afb849c63598d66524689ff33e3e70