[INFO] fetching crate modelica-rs 0.1.5...
[INFO] checking modelica-rs-0.1.5 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate modelica-rs 0.1.5 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate modelica-rs 0.1.5
[INFO] finished tweaking crates.io crate modelica-rs 0.1.5
[INFO] tweaked toml for crates.io crate modelica-rs 0.1.5 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate modelica-rs 0.1.5 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 200 packages to latest compatible versions
[INFO] [stderr]       Adding git2 v0.18.3 (available: v0.20.2)
[INFO] [stderr]       Adding reqwest v0.11.27 (available: v0.12.20)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] e7dd4efaaa69fb58aed676d1b140c67e75889a46a1108cb3382a01ab618654bf
[INFO] running `Command { std: "docker" "start" "-a" "e7dd4efaaa69fb58aed676d1b140c67e75889a46a1108cb3382a01ab618654bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7dd4efaaa69fb58aed676d1b140c67e75889a46a1108cb3382a01ab618654bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7dd4efaaa69fb58aed676d1b140c67e75889a46a1108cb3382a01ab618654bf", kill_on_drop: false }`
[INFO] [stdout] e7dd4efaaa69fb58aed676d1b140c67e75889a46a1108cb3382a01ab618654bf
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b215472483674824d34047df50536eea66dcb41ca5f131e425fee76b277d2b73
[INFO] running `Command { std: "docker" "start" "-a" "b215472483674824d34047df50536eea66dcb41ca5f131e425fee76b277d2b73", kill_on_drop: false }`
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[INFO] [stdout] warning: unused variable: `tdir`
[INFO] [stdout]    --> tests/integration_tests.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |     let tdir = match TempDir::new("modelica-rs") {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_tdir`
[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]    --> tests/integration_tests.rs:145:9
[INFO] [stdout]     |
[INFO] [stdout] 145 |     let mut m_d = ModelicaDirectory {
[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: struct `ModelicaDirectory` is never constructed
[INFO] [stdout]   --> tests/integration_tests.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct ModelicaDirectory {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ModelicaFile` is never constructed
[INFO] [stdout]   --> tests/integration_tests.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct ModelicaFile {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `path`, `download_url`, and `type` are never read
[INFO] [stdout]   --> tests/integration_tests.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct ModelicaRepoEntry {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] 29 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 30 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 31 |     download_url: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 32 |     r#type: String,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ModelicaRepoEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_connection` is never used
[INFO] [stdout]   --> tests/integration_tests.rs:65:10
[INFO] [stdout]    |
[INFO] [stdout] 65 | async fn repo_connection() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `env_var_access` is never used
[INFO] [stdout]   --> tests/integration_tests.rs:78:4
[INFO] [stdout]    |
[INFO] [stdout] 78 | fn env_var_access() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `raw_repo_connection` is never used
[INFO] [stdout]   --> tests/integration_tests.rs:91:10
[INFO] [stdout]    |
[INFO] [stdout] 91 | async fn raw_repo_connection() {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tempdir_make` is never used
[INFO] [stdout]    --> tests/integration_tests.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn tempdir_make() {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `repo_download` is never used
[INFO] [stdout]    --> tests/integration_tests.rs:132:10
[INFO] [stdout]     |
[INFO] [stdout] 132 | async fn repo_download() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `recur_through_repo` is never used
[INFO] [stdout]    --> tests/integration_tests.rs:159:10
[INFO] [stdout]     |
[INFO] [stdout] 159 | async fn recur_through_repo(base: &str, mut mod_dir: ModelicaDirectory) -> ModelicaDirectory {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.24s
[INFO] running `Command { std: "docker" "inspect" "b215472483674824d34047df50536eea66dcb41ca5f131e425fee76b277d2b73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b215472483674824d34047df50536eea66dcb41ca5f131e425fee76b277d2b73", kill_on_drop: false }`
[INFO] [stdout] b215472483674824d34047df50536eea66dcb41ca5f131e425fee76b277d2b73