[INFO] cloning repository https://github.com/voberoi/protohackers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voberoi/protohackers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoberoi%2Fprotohackers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoberoi%2Fprotohackers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d83c8f415c6df8be660f9ef063b3a6799f40366d
[INFO] checking voberoi/protohackers against master#75530e9f72a1990ed2305e16fd51d02f47048f12 for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoberoi%2Fprotohackers" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/voberoi/protohackers on toolchain 75530e9f72a1990ed2305e16fd51d02f47048f12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/voberoi/protohackers
[INFO] finished tweaking git repo https://github.com/voberoi/protohackers
[INFO] tweaked toml for git repo https://github.com/voberoi/protohackers written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/voberoi/protohackers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded primal v0.3.1
[INFO] [stderr]   Downloaded primal-sieve v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 519936dbf8b7339063bd213b6c84caae09e4612de7e2abc987ddaf8545054301
[INFO] running `Command { std: "docker" "start" "-a" "519936dbf8b7339063bd213b6c84caae09e4612de7e2abc987ddaf8545054301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "519936dbf8b7339063bd213b6c84caae09e4612de7e2abc987ddaf8545054301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "519936dbf8b7339063bd213b6c84caae09e4612de7e2abc987ddaf8545054301", kill_on_drop: false }`
[INFO] [stdout] 519936dbf8b7339063bd213b6c84caae09e4612de7e2abc987ddaf8545054301
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+75530e9f72a1990ed2305e16fd51d02f47048f12" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038968ea651d7f8cd0f0d7f7c79bfe9d5cdd5137a4c27154e0a579fdd3bedd16
[INFO] running `Command { std: "docker" "start" "-a" "038968ea651d7f8cd0f0d7f7c79bfe9d5cdd5137a4c27154e0a579fdd3bedd16", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.9.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking primal-bit v0.3.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking primal-estimate v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.35
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking primal-sieve v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking primal-check v0.3.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking primal v0.3.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking global_counter v0.2.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.35
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.21
[INFO] [stderr]     Checking protohackers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `MeansToAnEnd` is never constructed
[INFO] [stdout]   --> tests/common.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum ServerType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 16 |     PrimeTime,
[INFO] [stdout] 17 |     MeansToAnEnd,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `run_means_to_an_end` and `send_request` are never used
[INFO] [stdout]   --> tests/common.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ServerProcess {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub fn run_means_to_an_end() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn send_request(&self, bytes: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PrimeTime` is never constructed
[INFO] [stdout]   --> tests/common.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | enum ServerType {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 16 |     PrimeTime,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `run_prime_time` and `send_request` are never used
[INFO] [stdout]   --> tests/common.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl ServerProcess {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 21 |     pub fn run_prime_time() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub fn send_request(&self, bytes: &[u8]) -> Vec<u8> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `connection_is_open` is never used
[INFO] [stdout]    --> tests/common.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | pub fn connection_is_open(conn: &TcpStream) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_line` is never used
[INFO] [stdout]    --> tests/common.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 | pub fn write_line(stream: &mut TcpStream, content: String) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json_line` is never used
[INFO] [stdout]    --> tests/common.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 131 | pub fn write_json_line(stream: &mut TcpStream, obj: &json::JsonValue) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_line` is never used
[INFO] [stdout]    --> tests/common.rs:137:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | pub fn read_line(stream: &mut TcpStream) -> String {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.62s
[INFO] running `Command { std: "docker" "inspect" "038968ea651d7f8cd0f0d7f7c79bfe9d5cdd5137a4c27154e0a579fdd3bedd16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038968ea651d7f8cd0f0d7f7c79bfe9d5cdd5137a4c27154e0a579fdd3bedd16", kill_on_drop: false }`
[INFO] [stdout] 038968ea651d7f8cd0f0d7f7c79bfe9d5cdd5137a4c27154e0a579fdd3bedd16