[INFO] cloning repository https://github.com/AlixFachin/rust-data-structures [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlixFachin/rust-data-structures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlixFachin%2Frust-data-structures", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlixFachin%2Frust-data-structures'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c22c73c29da760048ac8475dfce2d1f1f0ad6721 [INFO] building AlixFachin/rust-data-structures 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%2FAlixFachin%2Frust-data-structures" "/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/AlixFachin/rust-data-structures 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/AlixFachin/rust-data-structures [INFO] finished tweaking git repo https://github.com/AlixFachin/rust-data-structures [INFO] tweaked toml for git repo https://github.com/AlixFachin/rust-data-structures written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AlixFachin/rust-data-structures 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] 19d622412e5b3cb2caf6bb0ec7138a9277a71ab1aca8e077cde0ffe7010911d5 [INFO] running `Command { std: "docker" "start" "-a" "19d622412e5b3cb2caf6bb0ec7138a9277a71ab1aca8e077cde0ffe7010911d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19d622412e5b3cb2caf6bb0ec7138a9277a71ab1aca8e077cde0ffe7010911d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19d622412e5b3cb2caf6bb0ec7138a9277a71ab1aca8e077cde0ffe7010911d5", kill_on_drop: false }` [INFO] [stdout] 19d622412e5b3cb2caf6bb0ec7138a9277a71ab1aca8e077cde0ffe7010911d5 [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] 90915899c9d310dd3f0f8f5e0fd0e0668e8aaaa708803b311c95bb54902e8edb [INFO] running `Command { std: "docker" "start" "-a" "90915899c9d310dd3f0f8f5e0fd0e0668e8aaaa708803b311c95bb54902e8edb", kill_on_drop: false }` [INFO] [stderr] Compiling data-struct v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `path::Path` [INFO] [stdout] --> src/graphe.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | path::Path, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut g: SimpleGraphe = SimpleGraphe::new(5, &connections, true); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_linked_list` is never used [INFO] [stdout] --> src/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn test_linked_list() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_trees` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn test_trees() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/graphe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SimpleGraphe { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 10 | // Number of nodes [INFO] [stdout] 11 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/graphe.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 91 | pub struct DirectedWeightedGraphe { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 92 | // number of edges [INFO] [stdout] 93 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `addOtherDirection` should have a snake case name [INFO] [stdout] --> src/graphe.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | addOtherDirection: bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_other_direction` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s [INFO] running `Command { std: "docker" "inspect" "90915899c9d310dd3f0f8f5e0fd0e0668e8aaaa708803b311c95bb54902e8edb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90915899c9d310dd3f0f8f5e0fd0e0668e8aaaa708803b311c95bb54902e8edb", kill_on_drop: false }` [INFO] [stdout] 90915899c9d310dd3f0f8f5e0fd0e0668e8aaaa708803b311c95bb54902e8edb [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] bb449d2bc5b912b9aac20b52738a57b9779240d9fe9a276d252b29f2c505df26 [INFO] running `Command { std: "docker" "start" "-a" "bb449d2bc5b912b9aac20b52738a57b9779240d9fe9a276d252b29f2c505df26", kill_on_drop: false }` [INFO] [stderr] Compiling data-struct v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `path::Path` [INFO] [stdout] --> src/graphe.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | path::Path, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let mut g: SimpleGraphe = SimpleGraphe::new(5, &connections, true); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_linked_list` is never used [INFO] [stdout] --> src/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn test_linked_list() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_trees` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn test_trees() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/graphe.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SimpleGraphe { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 10 | // Number of nodes [INFO] [stdout] 11 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `size` is never read [INFO] [stdout] --> src/graphe.rs:93:5 [INFO] [stdout] | [INFO] [stdout] 91 | pub struct DirectedWeightedGraphe { [INFO] [stdout] | ---------------------- field in this struct [INFO] [stdout] 92 | // number of edges [INFO] [stdout] 93 | size: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `addOtherDirection` should have a snake case name [INFO] [stdout] --> src/graphe.rs:102:9 [INFO] [stdout] | [INFO] [stdout] 102 | addOtherDirection: bool [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `add_other_direction` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "bb449d2bc5b912b9aac20b52738a57b9779240d9fe9a276d252b29f2c505df26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bb449d2bc5b912b9aac20b52738a57b9779240d9fe9a276d252b29f2c505df26", kill_on_drop: false }` [INFO] [stdout] bb449d2bc5b912b9aac20b52738a57b9779240d9fe9a276d252b29f2c505df26