[INFO] cloning repository https://github.com/jtr109/algorithm-with-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtr109/algorithm-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtr109%2Falgorithm-with-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtr109%2Falgorithm-with-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ac43913b0463579ee876e1230091d28d81a1c6c1 [INFO] building jtr109/algorithm-with-rust 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%2Fjtr109%2Falgorithm-with-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jtr109/algorithm-with-rust 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/jtr109/algorithm-with-rust [INFO] finished tweaking git repo https://github.com/jtr109/algorithm-with-rust [INFO] tweaked toml for git repo https://github.com/jtr109/algorithm-with-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jtr109/algorithm-with-rust 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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] de5cf62d115c3290ccb674693975a5451c4e1a95f21df0a94dcbf633065e6e74 [INFO] running `Command { std: "docker" "start" "-a" "de5cf62d115c3290ccb674693975a5451c4e1a95f21df0a94dcbf633065e6e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de5cf62d115c3290ccb674693975a5451c4e1a95f21df0a94dcbf633065e6e74", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de5cf62d115c3290ccb674693975a5451c4e1a95f21df0a94dcbf633065e6e74", kill_on_drop: false }` [INFO] [stdout] de5cf62d115c3290ccb674693975a5451c4e1a95f21df0a94dcbf633065e6e74 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 37035b5a1c67b6611ea007d589d7bd2111fd1f1f164421130637478040576e28 [INFO] running `Command { std: "docker" "start" "-a" "37035b5a1c67b6611ea007d589d7bd2111fd1f1f164421130637478040576e28", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [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 algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/edge_weighted_graph.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Edge { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | fn new(v: usize, w: usize, weight: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ST` is never used [INFO] [stdout] --> src/search.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait ST { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `UnionFind` is never used [INFO] [stdout] --> src/union_find.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait UnionFind { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `sz`, and `count` are never read [INFO] [stdout] --> src/union_find.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UF { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] 12 | id: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] 13 | sz: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s [INFO] running `Command { std: "docker" "inspect" "37035b5a1c67b6611ea007d589d7bd2111fd1f1f164421130637478040576e28", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "37035b5a1c67b6611ea007d589d7bd2111fd1f1f164421130637478040576e28", kill_on_drop: false }` [INFO] [stdout] 37035b5a1c67b6611ea007d589d7bd2111fd1f1f164421130637478040576e28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ad4f30f320735a6199974c11fd2a1009544bb4d2363a441a71310c757fe8ddd7 [INFO] running `Command { std: "docker" "start" "-a" "ad4f30f320735a6199974c11fd2a1009544bb4d2363a441a71310c757fe8ddd7", kill_on_drop: false }` [INFO] [stderr] Compiling algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/edge_weighted_graph.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Edge { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | fn new(v: usize, w: usize, weight: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ST` is never used [INFO] [stdout] --> src/search.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait ST { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `UnionFind` is never used [INFO] [stdout] --> src/union_find.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait UnionFind { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `sz`, and `count` are never read [INFO] [stdout] --> src/union_find.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct UF { [INFO] [stdout] | -- fields in this struct [INFO] [stdout] 12 | id: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] 13 | sz: Vec, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | count: usize, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/edge_weighted_graph.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Edge { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 11 | fn new(v: usize, w: usize, weight: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ST` is never used [INFO] [stdout] --> src/search.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | trait ST { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_quick_sort` is never used [INFO] [stdout] --> src/sort.rs:230:8 [INFO] [stdout] | [INFO] [stdout] 230 | fn test_quick_sort() { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `Command { std: "docker" "inspect" "ad4f30f320735a6199974c11fd2a1009544bb4d2363a441a71310c757fe8ddd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad4f30f320735a6199974c11fd2a1009544bb4d2363a441a71310c757fe8ddd7", kill_on_drop: false }` [INFO] [stdout] ad4f30f320735a6199974c11fd2a1009544bb4d2363a441a71310c757fe8ddd7