[INFO] fetching crate mco-rpc 0.1.4... [INFO] checking mco-rpc-0.1.4 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] extracting crate mco-rpc 0.1.4 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate mco-rpc 0.1.4 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mco-rpc 0.1.4 [INFO] finished tweaking crates.io crate mco-rpc 0.1.4 [INFO] tweaked toml for crates.io crate mco-rpc 0.1.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 94 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding env_logger v0.9.3 (latest: v0.11.3) [INFO] [stderr] Adding generator v0.7.5 (latest: v0.8.1) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding nix v0.27.1 (latest: v0.28.0) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding remove_dir_all v0.5.3 (latest: v0.8.2) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows v0.48.0 (latest: v0.54.0) [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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded miow v0.6.0 [INFO] [stderr] Downloaded mco v0.1.48 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8dd825abf68b7bf71b61de975c284596d09260f2d40378b52734ed3490baeead [INFO] running `Command { std: "docker" "start" "-a" "8dd825abf68b7bf71b61de975c284596d09260f2d40378b52734ed3490baeead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8dd825abf68b7bf71b61de975c284596d09260f2d40378b52734ed3490baeead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dd825abf68b7bf71b61de975c284596d09260f2d40378b52734ed3490baeead", kill_on_drop: false }` [INFO] [stdout] 8dd825abf68b7bf71b61de975c284596d09260f2d40378b52734ed3490baeead [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 173357526c02ac31c3ded3fc5a8ae7e1d7e3696d225d04ac2158946a71aed349 [INFO] running `Command { std: "docker" "start" "-a" "173357526c02ac31c3ded3fc5a8ae7e1d7e3696d225d04ac2158946a71aed349", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling generator v0.7.5 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking crossbeam-channel v0.5.12 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking nix v0.27.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking socket2 v0.5.6 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking crossbeam v0.8.4 [INFO] [stderr] Checking tempdir v0.3.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.57 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking deranged v0.3.11 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking time v0.3.34 [INFO] [stderr] Checking mco v0.1.48 [INFO] [stderr] Checking mco-rpc v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `mco::std::map` [INFO] [stdout] --> src/stub.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use mco::std::map::SyncHashMap; [INFO] [stdout] | ^^^ could not find `map` in `std` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0432]: unresolved import `mco::std::map` [INFO] [stdout] --> src/stub.rs:10:15 [INFO] [stdout] | [INFO] [stdout] 10 | use mco::std::map::SyncHashMap; [INFO] [stdout] | ^^^ could not find `map` in `std` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/codec.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> src/codec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/stub.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/stub.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `co` [INFO] [stdout] --> src/stub.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use mco::{co, err}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mco::coroutine::spawn` [INFO] [stdout] --> src/stub.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use mco::coroutine::spawn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SocketAddr`, `ToSocketAddrs` [INFO] [stdout] --> src/client.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::net::{SocketAddr, ToSocketAddrs}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Codec` [INFO] [stdout] --> src/client.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use codec::{BinCodec, Codec, Codecs}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `err` [INFO] [stdout] --> src/server.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use mco::{co, err}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:6:1 [INFO] [stdout] | [INFO] [stdout] 6 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mco::std::errors::Error` [INFO] [stdout] --> src/frame.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use mco::std::errors::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/codec.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ptr::NonNull` [INFO] [stdout] --> src/codec.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Read` [INFO] [stdout] --> src/stub.rs:1:26 [INFO] [stdout] | [INFO] [stdout] 1 | use std::io::{BufReader, Read, Write}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Index` [INFO] [stdout] --> src/stub.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::ops::Index; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `co` [INFO] [stdout] --> src/stub.rs:6:11 [INFO] [stdout] | [INFO] [stdout] 6 | use mco::{co, err}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mco::coroutine::spawn` [INFO] [stdout] --> src/stub.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use mco::coroutine::spawn; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `SocketAddr`, `ToSocketAddrs` [INFO] [stdout] --> src/client.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | use std::net::{SocketAddr, ToSocketAddrs}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Codec` [INFO] [stdout] --> src/client.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | use codec::{BinCodec, Codec, Codecs}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/balance.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/balance.rs:132:32 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::Rng; [INFO] [stdout] | --------- the item `Rng` is already imported here [INFO] [stdout] ... [INFO] [stdout] 132 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `co` [INFO] [stdout] --> src/balance_manager.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use mco::{co, err}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/balance_manager.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use mco::std::sync::{Mutex, SyncHashMap}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::any::Any` [INFO] [stdout] --> src/server.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::any::Any; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `err` [INFO] [stdout] --> src/server.rs:2:15 [INFO] [stdout] | [INFO] [stdout] 2 | use mco::{co, err}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Read` [INFO] [stdout] --> src/server.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::Read; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/server.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::marker::PhantomData` [INFO] [stdout] --> src/server.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::marker::PhantomData; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `mco::std::errors::Error` [INFO] [stdout] --> src/frame.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use mco::std::errors::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/balance.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/balance.rs:132:32 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::Rng; [INFO] [stdout] | --------- the item `Rng` is already imported here [INFO] [stdout] ... [INFO] [stdout] 132 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `co` [INFO] [stdout] --> src/balance_manager.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use mco::{co, err}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Mutex` [INFO] [stdout] --> src/balance_manager.rs:9:22 [INFO] [stdout] | [INFO] [stdout] 9 | use mco::std::sync::{Mutex, SyncHashMap}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/balance.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rsp_req` [INFO] [stdout] --> src/stub.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let rsp_req = rsp_frame.decode_req(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rsp_req` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/balance.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | let mut arg = Some(Arc::new(arg)); [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: unused variable: `rsp_req` [INFO] [stdout] --> src/stub.rs:71:21 [INFO] [stdout] | [INFO] [stdout] 71 | let rsp_req = rsp_frame.decode_req(); [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rsp_req` [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] --> src/balance_manager.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | let mut clients = LoadBalance::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mco-rpc` (lib) due to 2 previous errors; 25 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:43:13 [INFO] [stdout] | [INFO] [stdout] 43 | let mut arg = Some(Arc::new(arg)); [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: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:181:13 [INFO] [stdout] | [INFO] [stdout] 181 | let mut load: LoadBalance = LoadBalance::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:191:13 [INFO] [stdout] | [INFO] [stdout] 191 | let mut load: LoadBalance = LoadBalance::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance.rs:201:13 [INFO] [stdout] | [INFO] [stdout] 201 | let mut load: LoadBalance = LoadBalance::new(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/balance_manager.rs:92:21 [INFO] [stdout] | [INFO] [stdout] 92 | let mut clients = LoadBalance::new(); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 28 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `mco-rpc` (lib test) due to 2 previous errors; 28 warnings emitted [INFO] running `Command { std: "docker" "inspect" "173357526c02ac31c3ded3fc5a8ae7e1d7e3696d225d04ac2158946a71aed349", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173357526c02ac31c3ded3fc5a8ae7e1d7e3696d225d04ac2158946a71aed349", kill_on_drop: false }` [INFO] [stdout] 173357526c02ac31c3ded3fc5a8ae7e1d7e3696d225d04ac2158946a71aed349 [INFO] checking mco-rpc-0.1.4 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] extracting crate mco-rpc 0.1.4 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate mco-rpc 0.1.4 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mco-rpc 0.1.4 [INFO] finished tweaking crates.io crate mco-rpc 0.1.4 [INFO] tweaked toml for crates.io crate mco-rpc 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a26f37ad487783c5bf00f9767e615767bc3ec268e36b7eb4fa50508dc09e36cf [INFO] running `Command { std: "docker" "start" "-a" "a26f37ad487783c5bf00f9767e615767bc3ec268e36b7eb4fa50508dc09e36cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a26f37ad487783c5bf00f9767e615767bc3ec268e36b7eb4fa50508dc09e36cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a26f37ad487783c5bf00f9767e615767bc3ec268e36b7eb4fa50508dc09e36cf", kill_on_drop: false }` [INFO] [stdout] a26f37ad487783c5bf00f9767e615767bc3ec268e36b7eb4fa50508dc09e36cf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba81ce1a90e53ef8a4c760cc02ac561613eea29a290d60caafc1fc56cb84fc08 [INFO] running `Command { std: "docker" "start" "-a" "ba81ce1a90e53ef8a4c760cc02ac561613eea29a290d60caafc1fc56cb84fc08", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "ba81ce1a90e53ef8a4c760cc02ac561613eea29a290d60caafc1fc56cb84fc08", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba81ce1a90e53ef8a4c760cc02ac561613eea29a290d60caafc1fc56cb84fc08", kill_on_drop: false }` [INFO] [stdout] ba81ce1a90e53ef8a4c760cc02ac561613eea29a290d60caafc1fc56cb84fc08