[INFO] cloning repository https://github.com/DevinR528/rust_load_balance [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DevinR528/rust_load_balance" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e1bf79c4cd21b55f16bb5dc943e7f0ce63e3dad7 [INFO] checking DevinR528/rust_load_balance against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDevinR528%2Frust_load_balance" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/DevinR528/rust_load_balance on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/DevinR528/rust_load_balance [INFO] finished tweaking git repo https://github.com/DevinR528/rust_load_balance [INFO] tweaked toml for git repo https://github.com/DevinR528/rust_load_balance written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/DevinR528/rust_load_balance already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97a67c2a52697378b1855d031a165b17e1468c65bad832f3115384fb313578f4 [INFO] running `Command { std: "docker" "start" "-a" "97a67c2a52697378b1855d031a165b17e1468c65bad832f3115384fb313578f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97a67c2a52697378b1855d031a165b17e1468c65bad832f3115384fb313578f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97a67c2a52697378b1855d031a165b17e1468c65bad832f3115384fb313578f4", kill_on_drop: false }` [INFO] [stdout] 97a67c2a52697378b1855d031a165b17e1468c65bad832f3115384fb313578f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 712794d0c9bd423ea864d3570c1d58c5bf45d973b5036238357c7cea095d31b3 [INFO] running `Command { std: "docker" "start" "-a" "712794d0c9bd423ea864d3570c1d58c5bf45d973b5036238357c7cea095d31b3", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking futures v0.1.27 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking smallvec v0.6.9 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling backtrace v0.3.30 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking streams v0.1.0 (/tmp/fixit) [INFO] [stderr] Migrating src/main.rs from 2018 edition to 2021 [INFO] [stderr] Fixed src/main.rs (9 fixes) [INFO] [stderr] Fixed src/enc_dec.rs (4 fixes) [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Fail}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Header` [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Body` [INFO] [stdout] --> src/enc_dec.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cont_len` [INFO] [stdout] --> src/enc_dec.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `poll_flush` [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Fixed src/main.rs (3 fixes) [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Fail}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Header` [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Body` [INFO] [stdout] --> src/enc_dec.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cont_len` [INFO] [stdout] --> src/enc_dec.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `poll_flush` [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:249:17 [INFO] [stdout] | [INFO] [stdout] 249 | rw.fill_read_buf(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 27.61s [INFO] [stderr] Running `cargo check` to verify 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking streams v0.1.0 (/tmp/fixit) [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Fail}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Fail` [INFO] [stdout] --> src/enc_dec.rs:12:15 [INFO] [stdout] | [INFO] [stdout] 12 | use failure::{Fail}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Header` [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Body` [INFO] [stdout] --> src/enc_dec.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cont_len` [INFO] [stdout] --> src/enc_dec.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `poll_flush` [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Header` [INFO] [stdout] --> src/enc_dec.rs:26:5 [INFO] [stdout] | [INFO] [stdout] 26 | Header, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Body` [INFO] [stdout] --> src/enc_dec.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 27 | Body, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `state` [INFO] [stdout] --> src/enc_dec.rs:31:5 [INFO] [stdout] | [INFO] [stdout] 31 | state: RequestState, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cont_len` [INFO] [stdout] --> src/enc_dec.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | cont_len: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/enc_dec.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn new() -> JsonCodec { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `poll_flush` [INFO] [stdout] --> src/main.rs:137:8 [INFO] [stdout] | [INFO] [stdout] 137 | fn poll_flush(&mut self) -> Poll<(), tokio::io::Error> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:249:17 [INFO] [stdout] | [INFO] [stdout] 249 | rw.fill_read_buf(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 26.19s [INFO] running `Command { std: "docker" "inspect" "712794d0c9bd423ea864d3570c1d58c5bf45d973b5036238357c7cea095d31b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "712794d0c9bd423ea864d3570c1d58c5bf45d973b5036238357c7cea095d31b3", kill_on_drop: false }` [INFO] [stdout] 712794d0c9bd423ea864d3570c1d58c5bf45d973b5036238357c7cea095d31b3