[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
