[INFO] cloning repository https://github.com/cosmir17/seank-rust-study-codes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cosmir17/seank-rust-study-codes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmir17%2Fseank-rust-study-codes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmir17%2Fseank-rust-study-codes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6838b88692a8b2d08081362d46fdea2d61c63959
[INFO] checking cosmir17/seank-rust-study-codes/6838b88692a8b2d08081362d46fdea2d61c63959 against master#217cb73577ed6f30a2005dd75bab01d23ec4cd60 for pr-148939
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcosmir17%2Fseank-rust-study-codes" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cosmir17/seank-rust-study-codes
[INFO] finished tweaking git repo https://github.com/cosmir17/seank-rust-study-codes
[INFO] tweaked toml for git repo https://github.com/cosmir17/seank-rust-study-codes written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cosmir17/seank-rust-study-codes on toolchain 217cb73577ed6f30a2005dd75bab01d23ec4cd60
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 417 packages to latest compatible versions
[INFO] [stderr]       Adding aws_lambda_events v0.15.1 (available: v1.0.1)
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[INFO] [stderr]       Adding lambda_runtime v0.12.0 (available: v1.0.1)
[INFO] [stderr]       Adding mockall v0.12.1 (available: v0.14.0)
[INFO] [stderr]       Adding mockall v0.13.1 (available: v0.14.0)
[INFO] [stderr]       Adding prost v0.12.6 (available: v0.14.1)
[INFO] [stderr]       Adding tonic v0.11.0 (available: v0.14.2)
[INFO] [stderr]       Adding tonic-build v0.11.0 (available: v0.14.2)
[INFO] [stderr]       Adding tonic-mock v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded config_struct v0.5.1+deprecated
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8afdb23c9501d639298df603463a1e84fdb5ddd820815f1e3d6f0627eff1c43c
[INFO] running `Command { std: "docker" "start" "-a" "8afdb23c9501d639298df603463a1e84fdb5ddd820815f1e3d6f0627eff1c43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8afdb23c9501d639298df603463a1e84fdb5ddd820815f1e3d6f0627eff1c43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8afdb23c9501d639298df603463a1e84fdb5ddd820815f1e3d6f0627eff1c43c", kill_on_drop: false }`
[INFO] [stdout] 8afdb23c9501d639298df603463a1e84fdb5ddd820815f1e3d6f0627eff1c43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+217cb73577ed6f30a2005dd75bab01d23ec4cd60" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d70538a4deb5075e68dd1635838094b8dfa28d7fee9c37eff29647d99fb472
[INFO] running `Command { std: "docker" "start" "-a" "f4d70538a4deb5075e68dd1635838094b8dfa28d7fee9c37eff29647d99fb472", kill_on_drop: false }`
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[INFO] [stderr]     Checking actix-rt v2.11.0
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking chat_program_study v0.1.0 (/opt/rustwide/workdir/chat_program_study)
[INFO] [stderr]     Checking serde_with v3.16.0
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking actix-server v2.6.0
[INFO] [stderr]     Checking h2 v0.3.27
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[INFO] [stderr]     Checking aws-smithy-json v0.61.7
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> code_example_study/examples/trait_examples2.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<T> Pair<T> {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 9 |     fn new(x: T, y: T) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aws-smithy-query v0.60.8
[INFO] [stderr]    Compiling seank-tonic-project-rs v0.1.1 (/opt/rustwide/workdir/my_tonic_project)
[INFO] [stdout] warning: field `capacity` is never read
[INFO] [stdout]   --> code_example_study/examples/main_rc2.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Truck {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 22 |     capacity: i32
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Truck` has a derived impl for the trait `Debug`, but this is 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: `a`
[INFO] [stdout]    --> code_example_study/examples/main_big_file.rs:871:13
[INFO] [stdout]     |
[INFO] [stdout] 871 |         let a = fetch_data_async(0);
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fetch_data_async` is never used
[INFO] [stdout]    --> code_example_study/examples/main_big_file.rs:865:14
[INFO] [stdout]     |
[INFO] [stdout] 865 |     async fn fetch_data_async(id: i32) -> String {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]    --> code_example_study/examples/main_big_file.rs:870:14
[INFO] [stdout]     |
[INFO] [stdout] 870 |     async fn main() {
[INFO] [stdout]     |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Vehicle` is never used
[INFO] [stdout]  --> code_example_study/examples/main_box.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait Vehicle {
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Truck` is never constructed
[INFO] [stdout]  --> code_example_study/examples/main_box.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Truck {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Truck` is never constructed
[INFO] [stdout]   --> code_example_study/examples/main_smarter_point_step2.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Truck {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_parts` found for struct `PathBuf` in the current scope
[INFO] [stdout]  --> code_example_study/examples/pathbuf.rs:5:22
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let parts = path.into_parts();
[INFO] [stdout]   |                      ^^^^^^^^^^ method not found in `PathBuf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `code_example_study` (example "pathbuf") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> code_example_study/examples/reference_borrowing.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let s2 = String::from("world");
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> code_example_study/examples/reference_borrowing.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn rebind_string(mut s: &mut String) { // **** this version succeeds
[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: field `capacity` is never read
[INFO] [stdout]   --> code_example_study/examples/main_rc.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Truck {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 22 |     capacity: i32 //how much that truck can hold
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Truck` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4d70538a4deb5075e68dd1635838094b8dfa28d7fee9c37eff29647d99fb472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d70538a4deb5075e68dd1635838094b8dfa28d7fee9c37eff29647d99fb472", kill_on_drop: false }`
[INFO] [stdout] f4d70538a4deb5075e68dd1635838094b8dfa28d7fee9c37eff29647d99fb472