[INFO] cloning repository https://github.com/hridyacp/rust-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hridyacp/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhridyacp%2Frust-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhridyacp%2Frust-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e8ef86ea14b70f5df67a87b76341f5ef8516de6 [INFO] checking hridyacp/rust-examples against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhridyacp%2Frust-examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hridyacp/rust-examples [INFO] finished tweaking git repo https://github.com/hridyacp/rust-examples [INFO] tweaked toml for git repo https://github.com/hridyacp/rust-examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hridyacp/rust-examples on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hridyacp/rust-examples 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] checking hridyacp/rust-examples against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhridyacp%2Frust-examples" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hridyacp/rust-examples [INFO] finished tweaking git repo https://github.com/hridyacp/rust-examples [INFO] tweaked toml for git repo https://github.com/hridyacp/rust-examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hridyacp/rust-examples on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hridyacp/rust-examples 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8f042193c31fc8046d8a90f728d52be4eb852c9a6bbadad130b8f290f64abf46 [INFO] running `Command { std: "docker" "start" "-a" "8f042193c31fc8046d8a90f728d52be4eb852c9a6bbadad130b8f290f64abf46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8f042193c31fc8046d8a90f728d52be4eb852c9a6bbadad130b8f290f64abf46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f042193c31fc8046d8a90f728d52be4eb852c9a6bbadad130b8f290f64abf46", kill_on_drop: false }` [INFO] [stdout] 8f042193c31fc8046d8a90f728d52be4eb852c9a6bbadad130b8f290f64abf46 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f305ec131350f594db34ea9feb36b189681f3f47d64a826ba97c65c5ec5239ba [INFO] running `Command { std: "docker" "start" "-a" "f305ec131350f594db34ea9feb36b189681f3f47d64a826ba97c65c5ec5239ba", kill_on_drop: false }` [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/closure.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut sum: i32 = x + y; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/closure.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut result: i32 = sum * sum; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Yellow` is never constructed [INFO] [stdout] --> src/bin/enum.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | enum TrafficLight { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 2 | Red, [INFO] [stdout] 3 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/match.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/match.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Quarter` are never constructed [INFO] [stdout] --> src/bin/match.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 2 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 3 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 4 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | Dime, [INFO] [stdout] 6 | Quarter [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matchingVaue` should have a snake case name [INFO] [stdout] --> src/bin/match.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let matchingVaue:i32=value_in_cents(Coin::Dime); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_vaue` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Yellow` is never constructed [INFO] [stdout] --> src/bin/enum.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 1 | enum TrafficLight { [INFO] [stdout] | ------------ variant in this enum [INFO] [stdout] 2 | Red, [INFO] [stdout] 3 | Yellow, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/closure.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut sum: i32 = x + y; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/closure.rs:5:13 [INFO] [stdout] | [INFO] [stdout] 5 | let mut result: i32 = sum * sum; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name0` [INFO] [stdout] --> src/bin/array1.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let name0 = names.get(0).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_name0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/bin/hashmap.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Product { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 5 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Product` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id` and `name` are never read [INFO] [stdout] --> src/bin/hashmap.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct Product { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 5 | id: u32, [INFO] [stdout] | ^^ [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Product` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name0` [INFO] [stdout] --> src/bin/array1.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | let name0 = names.get(0).unwrap(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_name0` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/match.rs:7:6 [INFO] [stdout] | [INFO] [stdout] 7 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/match.rs:15:6 [INFO] [stdout] | [INFO] [stdout] 15 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `matchingVaue` should have a snake case name [INFO] [stdout] --> src/bin/match.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let matchingVaue:i32=value_in_cents(Coin::Dime); [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to snake case: `matching_vaue` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `Command { std: "docker" "inspect" "f305ec131350f594db34ea9feb36b189681f3f47d64a826ba97c65c5ec5239ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f305ec131350f594db34ea9feb36b189681f3f47d64a826ba97c65c5ec5239ba", kill_on_drop: false }` [INFO] [stdout] f305ec131350f594db34ea9feb36b189681f3f47d64a826ba97c65c5ec5239ba