[INFO] cloning repository https://github.com/harol5/rust-notes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harol5/rust-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharol5%2Frust-notes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharol5%2Frust-notes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6818b999fee156f9c7382001d4d3ac29c16e7ae8 [INFO] checking harol5/rust-notes against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharol5%2Frust-notes" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/harol5/rust-notes [INFO] finished tweaking git repo https://github.com/harol5/rust-notes [INFO] tweaked toml for git repo https://github.com/harol5/rust-notes written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/harol5/rust-notes on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/harol5/rust-notes 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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 harol5/rust-notes against try#afeffcd090fe6cee35c99f8b5539d74aa443fe34 for pr-140956 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharol5%2Frust-notes" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/harol5/rust-notes [INFO] finished tweaking git repo https://github.com/harol5/rust-notes [INFO] tweaked toml for git repo https://github.com/harol5/rust-notes written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/harol5/rust-notes on toolchain afeffcd090fe6cee35c99f8b5539d74aa443fe34 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/harol5/rust-notes 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" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86b0cd221a2bbe45e85f531c52f8e38b7f0827c97c1bc06b6fbe3ce5b06c5bd5 [INFO] running `Command { std: "docker" "start" "-a" "86b0cd221a2bbe45e85f531c52f8e38b7f0827c97c1bc06b6fbe3ce5b06c5bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86b0cd221a2bbe45e85f531c52f8e38b7f0827c97c1bc06b6fbe3ce5b06c5bd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86b0cd221a2bbe45e85f531c52f8e38b7f0827c97c1bc06b6fbe3ce5b06c5bd5", kill_on_drop: false }` [INFO] [stdout] 86b0cd221a2bbe45e85f531c52f8e38b7f0827c97c1bc06b6fbe3ce5b06c5bd5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+afeffcd090fe6cee35c99f8b5539d74aa443fe34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4d0ac52b62d023baa8d132f9fc146b11c79ea9f133c8bfc5ae8bae381cfec435 [INFO] running `Command { std: "docker" "start" "-a" "4d0ac52b62d023baa8d132f9fc146b11c79ea9f133c8bfc5ae8bae381cfec435", kill_on_drop: false }` [INFO] [stderr] Checking hello_world v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/variables.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | let mut a: i32 = 1; [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: unused variable: `country` [INFO] [stdout] --> src/variables.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | let mut country: String = String::with_capacity(10); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_country` [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/variables.rs:3:10 [INFO] [stdout] | [INFO] [stdout] 3 | let mut a: i32 = 1; [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: unused variable: `country` [INFO] [stdout] --> src/variables.rs:81:14 [INFO] [stdout] | [INFO] [stdout] 81 | let mut country: String = String::with_capacity(10); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_country` [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/variables.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | let mut country: String = String::with_capacity(10); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/variables.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 81 | let mut country: String = String::with_capacity(10); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `types` is never used [INFO] [stdout] --> src/variables.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn types(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `primitive` is never used [INFO] [stdout] --> src/variables.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn primitive(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strings` is never used [INFO] [stdout] --> src/variables.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn strings(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `types` is never used [INFO] [stdout] --> src/variables.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn types(){ [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `primitive` is never used [INFO] [stdout] --> src/variables.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn primitive(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `strings` is never used [INFO] [stdout] --> src/variables.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn strings(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `String::capacity` that must be used [INFO] [stdout] --> src/variables.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | last_name.capacity(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = last_name.capacity(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `String::is_empty` that must be used [INFO] [stdout] --> src/variables.rs:66:6 [INFO] [stdout] | [INFO] [stdout] 66 | last_name.is_empty(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = last_name.is_empty(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `String::capacity` that must be used [INFO] [stdout] --> src/variables.rs:63:6 [INFO] [stdout] | [INFO] [stdout] 63 | last_name.capacity(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 63 | let _ = last_name.capacity(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `String::is_empty` that must be used [INFO] [stdout] --> src/variables.rs:66:6 [INFO] [stdout] | [INFO] [stdout] 66 | last_name.is_empty(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = last_name.is_empty(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] running `Command { std: "docker" "inspect" "4d0ac52b62d023baa8d132f9fc146b11c79ea9f133c8bfc5ae8bae381cfec435", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d0ac52b62d023baa8d132f9fc146b11c79ea9f133c8bfc5ae8bae381cfec435", kill_on_drop: false }` [INFO] [stdout] 4d0ac52b62d023baa8d132f9fc146b11c79ea9f133c8bfc5ae8bae381cfec435