[INFO] cloning repository https://github.com/SoftwareDeus/hello_world [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SoftwareDeus/hello_world" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoftwareDeus%2Fhello_world", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSoftwareDeus%2Fhello_world'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fe0b360c2d85cd7672ceb23d5e82a4ec1badded5 [INFO] building SoftwareDeus/hello_world 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%2FSoftwareDeus%2Fhello_world" "/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/SoftwareDeus/hello_world 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/SoftwareDeus/hello_world [INFO] finished tweaking git repo https://github.com/SoftwareDeus/hello_world [INFO] tweaked toml for git repo https://github.com/SoftwareDeus/hello_world written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/SoftwareDeus/hello_world 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded gettext v0.4.0 [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] 2653dfe63c018298fb350622f21b73bea06c7c6cc70b1886dd56a2daedd77a39 [INFO] running `Command { std: "docker" "start" "-a" "2653dfe63c018298fb350622f21b73bea06c7c6cc70b1886dd56a2daedd77a39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2653dfe63c018298fb350622f21b73bea06c7c6cc70b1886dd56a2daedd77a39", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2653dfe63c018298fb350622f21b73bea06c7c6cc70b1886dd56a2daedd77a39", kill_on_drop: false }` [INFO] [stdout] 2653dfe63c018298fb350622f21b73bea06c7c6cc70b1886dd56a2daedd77a39 [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] 1aed57fac22f7c3ab36e1ca927606d2f760d9f744a22c795004f10a0b9897a84 [INFO] running `Command { std: "docker" "start" "-a" "1aed57fac22f7c3ab36e1ca927606d2f760d9f744a22c795004f10a0b9897a84", kill_on_drop: false }` [INFO] [stderr] Compiling gettext v0.4.0 [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/file_writer.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/todo_list.rs:88:14 [INFO] [stdout] | [INFO] [stdout] 88 | for (id, entry) in &self.entries { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/todo_list.rs:144:14 [INFO] [stdout] | [INFO] [stdout] 144 | for (id, entry) in &self.entries { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/todo_planner.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | for (index, todo_list_element) in self.todo_lists.iter_mut().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut planner = TodoPlanner::new(); [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: associated items `from_string`, `parse_todo_entry`, and `to_string` are never used [INFO] [stdout] --> src/todo_list.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl TodoList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn from_string(content: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn parse_todo_entry(line: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_todo_list` is never used [INFO] [stdout] --> src/todo_planner.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl TodoPlanner { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 204 | fn delete_todo_list(&mut self, id: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "1aed57fac22f7c3ab36e1ca927606d2f760d9f744a22c795004f10a0b9897a84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aed57fac22f7c3ab36e1ca927606d2f760d9f744a22c795004f10a0b9897a84", kill_on_drop: false }` [INFO] [stdout] 1aed57fac22f7c3ab36e1ca927606d2f760d9f744a22c795004f10a0b9897a84 [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] d7511a50693491489351f81295542bef9783f555b95b5a95e5d744c0f750a7fa [INFO] running `Command { std: "docker" "start" "-a" "d7511a50693491489351f81295542bef9783f555b95b5a95e5d744c0f750a7fa", kill_on_drop: false }` [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/file_writer.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::{self, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/todo_list.rs:88:14 [INFO] [stdout] | [INFO] [stdout] 88 | for (id, entry) in &self.entries { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `id` [INFO] [stdout] --> src/todo_list.rs:144:14 [INFO] [stdout] | [INFO] [stdout] 144 | for (id, entry) in &self.entries { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_id` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `index` [INFO] [stdout] --> src/todo_planner.rs:78:14 [INFO] [stdout] | [INFO] [stdout] 78 | for (index, todo_list_element) in self.todo_lists.iter_mut().enumerate() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_index` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let mut planner = TodoPlanner::new(); [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: associated items `from_string`, `parse_todo_entry`, and `to_string` are never used [INFO] [stdout] --> src/todo_list.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 63 | impl TodoList { [INFO] [stdout] | ------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 97 | pub fn from_string(content: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | fn parse_todo_entry(line: &str) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn to_string(&self) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `delete_todo_list` is never used [INFO] [stdout] --> src/todo_planner.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 49 | impl TodoPlanner { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 204 | fn delete_todo_list(&mut self, id: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "d7511a50693491489351f81295542bef9783f555b95b5a95e5d744c0f750a7fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7511a50693491489351f81295542bef9783f555b95b5a95e5d744c0f750a7fa", kill_on_drop: false }` [INFO] [stdout] d7511a50693491489351f81295542bef9783f555b95b5a95e5d744c0f750a7fa