[INFO] cloning repository https://github.com/kongbaiming/learnRust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kongbaiming/learnRust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkongbaiming%2FlearnRust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkongbaiming%2FlearnRust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 504bf4a00230be531bbcb608122543b2119d72d2 [INFO] building kongbaiming/learnRust 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%2Fkongbaiming%2FlearnRust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kongbaiming/learnRust 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/kongbaiming/learnRust [INFO] finished tweaking git repo https://github.com/kongbaiming/learnRust [INFO] tweaked toml for git repo https://github.com/kongbaiming/learnRust written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kongbaiming/learnRust 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] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c4a6ae3cc3d563c697917bc3be93a56776eb79996049dc911a48840629be1e17 [INFO] running `Command { std: "docker" "start" "-a" "c4a6ae3cc3d563c697917bc3be93a56776eb79996049dc911a48840629be1e17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4a6ae3cc3d563c697917bc3be93a56776eb79996049dc911a48840629be1e17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a6ae3cc3d563c697917bc3be93a56776eb79996049dc911a48840629be1e17", kill_on_drop: false }` [INFO] [stdout] c4a6ae3cc3d563c697917bc3be93a56776eb79996049dc911a48840629be1e17 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9bc77f2aca8e159961f776f3cf2e215e6da7b0fca1074a67aa0d0ce8670c2a0c [INFO] running `Command { std: "docker" "start" "-a" "9bc77f2aca8e159961f776f3cf2e215e6da7b0fca1074a67aa0d0ce8670c2a0c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.138 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling getrandom v0.2.8 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling learnRust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ip_kind` [INFO] [stdout] --> src/learn_enum/ipaddr_kind.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn route(ip_kind: IpaddrKind) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut scores:HashMap<_,_> = teams.iter().zip(intial_scores.iter()).collect(); [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: fields `name`, `age`, `email`, `sign_in_count`, and `active` are never read [INFO] [stdout] --> src/user_info/user.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | age: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/user_info/user.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn age(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn email(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn sign_in_count(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn active(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_name(&mut self, name: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn set_age(&mut self, age: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn set_email(&mut self, email: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn set_sign_in_count(&mut self, sign_in_count: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn set_active(&mut self, active: bool) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game` is never used [INFO] [stdout] --> src/game/guess_game.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn guess_game() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_width`, `set_length`, `width`, and `length` are never used [INFO] [stdout] --> src/learn_struct/learn_struct.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Rectangle { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 8 | pub fn set_width(&mut self, width: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub fn set_length(&mut self, length: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn width(&self) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/learn_enum/ipaddr_kind.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s [INFO] running `Command { std: "docker" "inspect" "9bc77f2aca8e159961f776f3cf2e215e6da7b0fca1074a67aa0d0ce8670c2a0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bc77f2aca8e159961f776f3cf2e215e6da7b0fca1074a67aa0d0ce8670c2a0c", kill_on_drop: false }` [INFO] [stdout] 9bc77f2aca8e159961f776f3cf2e215e6da7b0fca1074a67aa0d0ce8670c2a0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] da0fd8395f662e29dd96e45cbf7336ef61607bc642e0ae1260167a1bc6673a31 [INFO] running `Command { std: "docker" "start" "-a" "da0fd8395f662e29dd96e45cbf7336ef61607bc642e0ae1260167a1bc6673a31", kill_on_drop: false }` [INFO] [stderr] Compiling learnRust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ip_kind` [INFO] [stdout] --> src/learn_enum/ipaddr_kind.rs:14:14 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn route(ip_kind: IpaddrKind) { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_kind` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:94:9 [INFO] [stdout] | [INFO] [stdout] 94 | let mut scores:HashMap<_,_> = teams.iter().zip(intial_scores.iter()).collect(); [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: fields `name`, `age`, `email`, `sign_in_count`, and `active` are never read [INFO] [stdout] --> src/user_info/user.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 3 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 4 | age: i32, [INFO] [stdout] | ^^^ [INFO] [stdout] 5 | email: String, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 6 | sign_in_count: u64, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 7 | active: bool, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/user_info/user.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 10 | impl User { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 14 | pub fn name(&self) -> &str { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn age(&self) -> i32 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 20 | pub fn email(&self) -> &str { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | pub fn sign_in_count(&self) -> u64 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 26 | pub fn active(&self) -> bool { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn set_name(&mut self, name: String) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn set_age(&mut self, age: i32) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | pub fn set_email(&mut self, email: String) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 38 | pub fn set_sign_in_count(&mut self, sign_in_count: u64) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 41 | pub fn set_active(&mut self, active: bool) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `guess_game` is never used [INFO] [stdout] --> src/game/guess_game.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn guess_game() { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_width`, `set_length`, `width`, and `length` are never used [INFO] [stdout] --> src/learn_struct/learn_struct.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl Rectangle { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 8 | pub fn set_width(&mut self, width: u32) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub fn set_length(&mut self, length: u32) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | pub fn width(&self) -> u32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 22 | pub fn length(&self) -> u32 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `IpAddr` is never used [INFO] [stdout] --> src/learn_enum/ipaddr_kind.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum IpAddr { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "da0fd8395f662e29dd96e45cbf7336ef61607bc642e0ae1260167a1bc6673a31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da0fd8395f662e29dd96e45cbf7336ef61607bc642e0ae1260167a1bc6673a31", kill_on_drop: false }` [INFO] [stdout] da0fd8395f662e29dd96e45cbf7336ef61607bc642e0ae1260167a1bc6673a31