[INFO] cloning repository https://github.com/gwelter/rurst_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gwelter/rurst_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e49197bc59251ec7dcaafe3a9abd99973e6ee6a5
[INFO] checking gwelter/rurst_examples against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_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/gwelter/rurst_examples
[INFO] finished tweaking git repo https://github.com/gwelter/rurst_examples
[INFO] tweaked toml for git repo https://github.com/gwelter/rurst_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gwelter/rurst_examples on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gwelter/rurst_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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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 gwelter/rurst_examples against try#943e2200e35c3825486c4671b6cab0107a07f8c1 for pr-148952
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgwelter%2Frurst_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/gwelter/rurst_examples
[INFO] finished tweaking git repo https://github.com/gwelter/rurst_examples
[INFO] tweaked toml for git repo https://github.com/gwelter/rurst_examples written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gwelter/rurst_examples on toolchain 943e2200e35c3825486c4671b6cab0107a07f8c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gwelter/rurst_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" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bed4a448851f9804317935d55767b361b03eaf4c60b2773c79a38c74679d7fb
[INFO] running `Command { std: "docker" "start" "-a" "1bed4a448851f9804317935d55767b361b03eaf4c60b2773c79a38c74679d7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bed4a448851f9804317935d55767b361b03eaf4c60b2773c79a38c74679d7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bed4a448851f9804317935d55767b361b03eaf4c60b2773c79a38c74679d7fb", kill_on_drop: false }`
[INFO] [stdout] 1bed4a448851f9804317935d55767b361b03eaf4c60b2773c79a38c74679d7fb
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+943e2200e35c3825486c4671b6cab0107a07f8c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7d17630e36a7b42c84fee55e3bb1d2a85d3bc25584246ed7828de98297c1e5b
[INFO] running `Command { std: "docker" "start" "-a" "a7d17630e36a7b42c84fee55e3bb1d2a85d3bc25584246ed7828de98297c1e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking generics-and-traits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rc_smart_pointers.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut r1 = db.borrow_mut();
[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: unused variable: `auth_service`
[INFO] [stdout]   --> src/rc_smart_pointers.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let auth_service = AuthService { db: Rc::clone(&db) };
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auth_service`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_service`
[INFO] [stdout]   --> src/rc_smart_pointers.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let content_service = ContentService { db: Rc::clone(&db) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/rc_smart_pointers.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut r1 = db.borrow_mut();
[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: unused variable: `auth_service`
[INFO] [stdout]   --> src/rc_smart_pointers.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let auth_service = AuthService { db: Rc::clone(&db) };
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_auth_service`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `content_service`
[INFO] [stdout]   --> src/rc_smart_pointers.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let content_service = ContentService { db: Rc::clone(&db) };
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/rc_smart_pointers.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct AuthService {
[INFO] [stdout]   |        ----------- field in this struct
[INFO] [stdout] 8 |     db: Rc<RefCell<Database>>,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/rc_smart_pointers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ContentService {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 11 |     db: Rc<RefCell<Database>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_max` is never used
[INFO] [stdout]  --> src/super_traits.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Bounded: Default {
[INFO] [stdout]   |       ------- associated function in this trait
[INFO] [stdout] 2 |     fn get_max() -> Self;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drive` is never used
[INFO] [stdout]   --> src/traits.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Vehicle: Paint {
[INFO] [stdout]    |       ------- method in this trait
[INFO] [stdout] 13 |     fn drive(&self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]  --> src/rc_smart_pointers.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct AuthService {
[INFO] [stdout]   |        ----------- field in this struct
[INFO] [stdout] 8 |     db: Rc<RefCell<Database>>,
[INFO] [stdout]   |     ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `make`, `model`, and `year` are never read
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct VehicleInfo {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 17 |     make: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `info` is never read
[INFO] [stdout]   --> src/traits.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Car {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 23 |     info: VehicleInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `info` is never read
[INFO] [stdout]   --> src/traits.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Truck {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 27 |     info: VehicleInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `db` is never read
[INFO] [stdout]   --> src/rc_smart_pointers.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct ContentService {
[INFO] [stdout]    |        -------------- field in this struct
[INFO] [stdout] 11 |     db: Rc<RefCell<Database>>,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `get_max` is never used
[INFO] [stdout]  --> src/super_traits.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Bounded: Default {
[INFO] [stdout]   |       ------- associated function in this trait
[INFO] [stdout] 2 |     fn get_max() -> Self;
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `drive` is never used
[INFO] [stdout]   --> src/traits.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait Vehicle: Paint {
[INFO] [stdout]    |       ------- method in this trait
[INFO] [stdout] 13 |     fn drive(&self);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `make`, `model`, and `year` are never read
[INFO] [stdout]   --> src/traits.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct VehicleInfo {
[INFO] [stdout]    |        ----------- fields in this struct
[INFO] [stdout] 17 |     make: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     model: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     year: u16,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `info` is never read
[INFO] [stdout]   --> src/traits.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Car {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 23 |     info: VehicleInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `info` is never read
[INFO] [stdout]   --> src/traits.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Truck {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 27 |     info: VehicleInfo,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "a7d17630e36a7b42c84fee55e3bb1d2a85d3bc25584246ed7828de98297c1e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7d17630e36a7b42c84fee55e3bb1d2a85d3bc25584246ed7828de98297c1e5b", kill_on_drop: false }`
[INFO] [stdout] a7d17630e36a7b42c84fee55e3bb1d2a85d3bc25584246ed7828de98297c1e5b
