[INFO] cloning repository https://github.com/grandmasponge/UselessSets [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grandmasponge/UselessSets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandmasponge%2FUselessSets", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandmasponge%2FUselessSets'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c6ff9699fa9d2005bb67f874d4baf063a26ae69 [INFO] checking grandmasponge/UselessSets against master#8e37e151835d96d6a7415e93e6876561485a3354 for pr-134218 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrandmasponge%2FUselessSets" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/grandmasponge/UselessSets on toolchain 8e37e151835d96d6a7415e93e6876561485a3354 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/grandmasponge/UselessSets [INFO] finished tweaking git repo https://github.com/grandmasponge/UselessSets [INFO] tweaked toml for git repo https://github.com/grandmasponge/UselessSets written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/grandmasponge/UselessSets 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" "+8e37e151835d96d6a7415e93e6876561485a3354" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+8e37e151835d96d6a7415e93e6876561485a3354" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4bac458271b3b8fd48c7d5ae98e144b0883df4aa0bc71c312accb576aecdbbdb [INFO] running `Command { std: "docker" "start" "-a" "4bac458271b3b8fd48c7d5ae98e144b0883df4aa0bc71c312accb576aecdbbdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4bac458271b3b8fd48c7d5ae98e144b0883df4aa0bc71c312accb576aecdbbdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4bac458271b3b8fd48c7d5ae98e144b0883df4aa0bc71c312accb576aecdbbdb", kill_on_drop: false }` [INFO] [stdout] 4bac458271b3b8fd48c7d5ae98e144b0883df4aa0bc71c312accb576aecdbbdb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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" "+8e37e151835d96d6a7415e93e6876561485a3354" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0eb5302be4cf14e4bec1394e04b149416a7b27c7e361b8f033d010de7a6fa551 [INFO] running `Command { std: "docker" "start" "-a" "0eb5302be4cf14e4bec1394e04b149416a7b27c7e361b8f033d010de7a6fa551", kill_on_drop: false }` [INFO] [stderr] Checking sets v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SetDataTypes` [INFO] [stdout] --> src/main.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::elements::{Elements, SetDataTypes}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SetDataTypes` [INFO] [stdout] --> src/main.rs:2:33 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::elements::{Elements, SetDataTypes}; [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:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut s2 = sets::Set::SetfromHashSet(se2); [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: variant `None` is never constructed [INFO] [stdout] --> src/error.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum SetErrorType { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 5 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SetErrorType` 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: fields `error_type` and `msg` are never read [INFO] [stdout] --> src/error.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SetError { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | error_type: SetErrorType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SetError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `SetfromHashSet` should have a snake case name [INFO] [stdout] --> src/sets.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn SetfromHashSet(elements: HashSet) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `setfrom_hash_set` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:13:9 [INFO] [stdout] | [INFO] [stdout] 13 | let mut s2 = sets::Set::SetfromHashSet(se2); [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: variant `None` is never constructed [INFO] [stdout] --> src/error.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 2 | pub enum SetErrorType { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] ... [INFO] [stdout] 5 | None, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SetErrorType` 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: fields `error_type` and `msg` are never read [INFO] [stdout] --> src/error.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct SetError { [INFO] [stdout] | -------- fields in this struct [INFO] [stdout] 10 | error_type: SetErrorType, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 11 | msg: String, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SetError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `SetfromHashSet` should have a snake case name [INFO] [stdout] --> src/sets.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn SetfromHashSet(elements: HashSet) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `setfrom_hash_set` [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 0.06s [INFO] running `Command { std: "docker" "inspect" "0eb5302be4cf14e4bec1394e04b149416a7b27c7e361b8f033d010de7a6fa551", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eb5302be4cf14e4bec1394e04b149416a7b27c7e361b8f033d010de7a6fa551", kill_on_drop: false }` [INFO] [stdout] 0eb5302be4cf14e4bec1394e04b149416a7b27c7e361b8f033d010de7a6fa551