[INFO] fetching crate jsonrpc-async 2.0.2... [INFO] checking jsonrpc-async-2.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate jsonrpc-async 2.0.2 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate jsonrpc-async 2.0.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate jsonrpc-async 2.0.2 [INFO] finished tweaking crates.io crate jsonrpc-async 2.0.2 [INFO] tweaked toml for crates.io crate jsonrpc-async 2.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 60 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding redox_syscall v0.4.1 (latest: v0.5.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded base64-compat v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d85760278517a90b5505b7eeeae69c968cd33471638890e108c6ba877a44433 [INFO] running `Command { std: "docker" "start" "-a" "9d85760278517a90b5505b7eeeae69c968cd33471638890e108c6ba877a44433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d85760278517a90b5505b7eeeae69c968cd33471638890e108c6ba877a44433", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d85760278517a90b5505b7eeeae69c968cd33471638890e108c6ba877a44433", kill_on_drop: false }` [INFO] [stdout] 9d85760278517a90b5505b7eeeae69c968cd33471638890e108c6ba877a44433 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d217b39efffb7c5f321ce2cdd27b0a491ca7f6877983f422ad1bf2b9ddbbd183 [INFO] running `Command { std: "docker" "start" "-a" "d217b39efffb7c5f321ce2cdd27b0a491ca7f6877983f422ad1bf2b9ddbbd183", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Checking base64-compat v1.0.0 [INFO] [stderr] Checking tokio v1.37.0 [INFO] [stderr] Checking jsonrpc-async v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/client.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/error.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/simple_http.rs:7:48 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::io::{AsyncBufRead, AsyncBufReadExt, AsyncWrite, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToSocketAddrs` [INFO] [stdout] --> src/simple_http.rs:8:29 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::net::{TcpStream, ToSocketAddrs}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/simple_http.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/client.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/client.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/error.rs:22:13 [INFO] [stdout] | [INFO] [stdout] 22 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/error.rs:203:9 [INFO] [stdout] | [INFO] [stdout] 203 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Cow` is imported redundantly [INFO] [stdout] --> src/util.rs:74:9 [INFO] [stdout] | [INFO] [stdout] 74 | use std::borrow::Cow; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | use super::*; [INFO] [stdout] | -------- the item `Cow` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize` [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncWrite` [INFO] [stdout] --> src/simple_http.rs:7:48 [INFO] [stdout] | [INFO] [stdout] 7 | use tokio::io::{AsyncBufRead, AsyncBufReadExt, AsyncWrite, BufReader, BufWriter}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ToSocketAddrs` [INFO] [stdout] --> src/simple_http.rs:8:29 [INFO] [stdout] | [INFO] [stdout] 8 | use tokio::net::{TcpStream, ToSocketAddrs}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `base64` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use base64; [INFO] [stdout] | ^^^^^^ the item `base64` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use serde; [INFO] [stdout] | ^^^^^ the item `serde` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `AsyncReadExt` [INFO] [stdout] --> src/simple_http.rs:46:17 [INFO] [stdout] | [INFO] [stdout] 46 | use tokio::io::{AsyncReadExt, AsyncWriteExt}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `net` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:370:9 [INFO] [stdout] | [INFO] [stdout] 370 | use std::net; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 371 | [INFO] [stdout] 372 | use super::*; [INFO] [stdout] | -------- the item `net` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Client` is imported redundantly [INFO] [stdout] --> src/simple_http.rs:373:9 [INFO] [stdout] | [INFO] [stdout] 372 | use super::*; [INFO] [stdout] | -------- the item `Client` is already imported here [INFO] [stdout] 373 | use Client; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `serde_json` is imported redundantly [INFO] [stdout] --> src/lib.rs:120:9 [INFO] [stdout] | [INFO] [stdout] 120 | use serde_json; [INFO] [stdout] | ^^^^^^^^^^ the item `serde_json` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Deserialize` [INFO] [stdout] --> src/lib.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 30 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Serialize` [INFO] [stdout] --> src/lib.rs:30:26 [INFO] [stdout] | [INFO] [stdout] 30 | use serde::{Deserialize, Serialize}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/simple_http.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 179 | fn from(e: Elapsed) -> Error { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/simple_http.rs:179:13 [INFO] [stdout] | [INFO] [stdout] 179 | fn from(e: Elapsed) -> Error { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.53s [INFO] running `Command { std: "docker" "inspect" "d217b39efffb7c5f321ce2cdd27b0a491ca7f6877983f422ad1bf2b9ddbbd183", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d217b39efffb7c5f321ce2cdd27b0a491ca7f6877983f422ad1bf2b9ddbbd183", kill_on_drop: false }` [INFO] [stdout] d217b39efffb7c5f321ce2cdd27b0a491ca7f6877983f422ad1bf2b9ddbbd183