[INFO] cloning repository https://github.com/Xiaobin0860/rust_learning [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Xiaobin0860/rust_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ca22993d82c8fca285d70548a685466fcbd47c70 [INFO] checking Xiaobin0860/rust_learning against master#2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 for pr-84385 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FXiaobin0860%2Frust_learning" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Xiaobin0860/rust_learning on toolchain 2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Xiaobin0860/rust_learning [INFO] finished tweaking git repo https://github.com/Xiaobin0860/rust_learning [INFO] tweaked toml for git repo https://github.com/Xiaobin0860/rust_learning written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/Xiaobin0860/rust_learning already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded prost v0.10.3 [INFO] [stderr] Downloaded axum-core v0.2.4 [INFO] [stderr] Downloaded tower-http v0.3.3 [INFO] [stderr] Downloaded tonic-build v0.7.2 [INFO] [stderr] Downloaded axum v0.5.6 [INFO] [stderr] Downloaded prost-build v0.10.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+2d3a85b4f8ba7e2554f4d4fee126bc2ac6ee2af4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c94e553d2a489cf2dff1eb12cb0c5d441717006cefefcffef5dacf5d2022b5a5 [INFO] running `Command { std: "docker" "start" "-a" "c94e553d2a489cf2dff1eb12cb0c5d441717006cefefcffef5dacf5d2022b5a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c94e553d2a489cf2dff1eb12cb0c5d441717006cefefcffef5dacf5d2022b5a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c94e553d2a489cf2dff1eb12cb0c5d441717006cefefcffef5dacf5d2022b5a5", kill_on_drop: false }` [INFO] [stdout] c94e553d2a489cf2dff1eb12cb0c5d441717006cefefcffef5dacf5d2022b5a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" 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[INFO] running `Command { std: "docker" "start" "-a" "4ffe68b459cfc7b39f411e3182a5a832c7f553fa95a4d5673f379016dac36f22", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling rust_learning v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling tokio v1.11.0 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.7 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] 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tonic-build v0.7.2 [INFO] [stderr] Checking tokio-io-timeout v1.1.1 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Checking axum-core v0.2.4 [INFO] [stderr] Checking matchit v0.5.0 [INFO] [stderr] Checking tower-http v0.3.3 [INFO] [stderr] Checking sync_wrapper v0.1.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking tokio-stream v0.1.7 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking hyper v0.14.18 [INFO] [stderr] Checking sharded-slab v0.1.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling pow v0.1.0 (/opt/rustwide/workdir/training/pow) [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Compiling kv v0.1.0 (/opt/rustwide/workdir/training/kv) [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking dashmap v5.2.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking hyper-timeout v0.4.1 [INFO] [stderr] Checking axum v0.5.6 [INFO] [stderr] Checking tracing-subscriber v0.3.11 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stdout] warning: fields `x`, `y` and `z` are never read [INFO] [stdout] --> tests/test_prints.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | struct Vec3 { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 32 | x: i64, [INFO] [stdout] | ^ [INFO] [stdout] 33 | y: i64, [INFO] [stdout] | ^ [INFO] [stdout] 34 | z: i64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Vec3` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `p1` and `p2` are never read [INFO] [stdout] --> tests/test_prints.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 38 | struct Line2D { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 39 | p1: Point, [INFO] [stdout] | ^^ [INFO] [stdout] 40 | p2: Point, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Line2D` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `value` is never read [INFO] [stdout] --> tests/test_conversion.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 22 | struct Number { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 23 | value: T, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking tonic v0.7.2 [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> tests/test_macros.rs:55:70 [INFO] [stdout] | [INFO] [stdout] 55 | println!("{:?} = {:?}", stringify!($expression), $expression); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 64 | / print_result!({ [INFO] [stdout] 65 | | let x = 1u32; [INFO] [stdout] 66 | | x * x + 2 * x - 1 [INFO] [stdout] 67 | | }) [INFO] [stdout] | |______- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `print_result` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `print_result` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> tests/test_custom_types.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 11 | // The 'a defines a lifetime [INFO] [stdout] 12 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 13 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_bin v0.1.0 (/opt/rustwide/workdir/training/hello_bin) [INFO] [stdout] warning: fields `age` and `gender` are never read [INFO] [stdout] --> training/hello_bin/src/types.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 22 | pub name: String, [INFO] [stdout] 23 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | pub(crate) gender: Gender, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age` and `gender` are never read [INFO] [stdout] --> training/hello_bin/src/types.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 21 | pub struct User { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 22 | pub name: String, [INFO] [stdout] 23 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 24 | pub(crate) gender: Gender, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `User` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> tests/test_std_libs.rs:37:5 [INFO] [stdout] | [INFO] [stdout] 36 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 37 | x: f64, [INFO] [stdout] | ^ [INFO] [stdout] 38 | y: f64, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking prostc v0.1.0 (/opt/rustwide/workdir/training/prostc) [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> training/pow/src/server.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | request: tonic::Request, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> training/pow/src/server.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | request: tonic::Request, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> training/pow/src/server.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | request: tonic::Request, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `request` [INFO] [stdout] --> training/pow/src/server.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | request: tonic::Request, [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> training/pow/src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Shared { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | clients: HashMap>>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tx` and `shared` are never read [INFO] [stdout] --> training/pow/src/server.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct PowService { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 13 | //send block to PoW engine [INFO] [stdout] 14 | tx: mpsc::Sender, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | shared: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `clients` is never read [INFO] [stdout] --> training/pow/src/server.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct Shared { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 9 | clients: HashMap>>, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `tx` and `shared` are never read [INFO] [stdout] --> training/pow/src/server.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct PowService { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 13 | //send block to PoW engine [INFO] [stdout] 14 | tx: mpsc::Sender, [INFO] [stdout] | ^^ [INFO] [stdout] 15 | shared: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking hello_lib v0.1.0 (/opt/rustwide/workdir/training/hello_lib) [INFO] [stdout] warning: field `permit` is never read [INFO] [stdout] --> training/hello_lib/src/ticket.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Ticket<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 28 | permit: SemaphorePermit<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `permit` is never read [INFO] [stdout] --> training/hello_lib/src/ticket.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 27 | pub struct Ticket<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 28 | permit: SemaphorePermit<'a>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Ticket` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 43.28s [INFO] running `Command { std: "docker" "inspect" "4ffe68b459cfc7b39f411e3182a5a832c7f553fa95a4d5673f379016dac36f22", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ffe68b459cfc7b39f411e3182a5a832c7f553fa95a4d5673f379016dac36f22", kill_on_drop: false }` [INFO] [stdout] 4ffe68b459cfc7b39f411e3182a5a832c7f553fa95a4d5673f379016dac36f22