[INFO] updating cached repository Frostjaw/pl_lab_4 [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Frostjaw/pl_lab_4 [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Frostjaw/pl_lab_4" "work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Frostjaw/pl_lab_4" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Frostjaw/pl_lab_4"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Frostjaw/pl_lab_4'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8f26e015b57df12c9ff8d2f0cc35417e977375a7 [INFO] sha for GitHub repo Frostjaw/pl_lab_4: 8f26e015b57df12c9ff8d2f0cc35417e977375a7 [INFO] validating manifest of Frostjaw/pl_lab_4 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Frostjaw/pl_lab_4 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Frostjaw/pl_lab_4 [INFO] finished frobbing Frostjaw/pl_lab_4 [INFO] frobbed toml for Frostjaw/pl_lab_4 written to work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4/Cargo.toml [INFO] started frobbing Frostjaw/pl_lab_4 [INFO] finished frobbing Frostjaw/pl_lab_4 [INFO] frobbed toml for Frostjaw/pl_lab_4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Frostjaw/pl_lab_4/Cargo.toml [INFO] crate Frostjaw/pl_lab_4 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing Frostjaw/pl_lab_4 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] eff446fedc7bb460e3579aba14700e5ce13d6890857db3f364a6239269760997 [INFO] running `"docker" "start" "-a" "eff446fedc7bb460e3579aba14700e5ce13d6890857db3f364a6239269760997"` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling rand_os v0.1.1 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling pl_lab_4 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Shutdown` [INFO] [stderr] --> src/main.rs:2:40 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:99:6 [INFO] [stderr] | [INFO] [stderr] 99 | for i in 0..4{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `received_key` is never read [INFO] [stderr] --> src/main.rs:150:12 [INFO] [stderr] | [INFO] [stderr] 150 | let mut received_key = "".to_string(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `next_key` is never read [INFO] [stderr] --> src/main.rs:151:12 [INFO] [stderr] | [INFO] [stderr] 151 | let mut next_key = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:152:8 [INFO] [stderr] | [INFO] [stderr] 152 | for i in 0..4{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:93:6 [INFO] [stderr] | [INFO] [stderr] 93 | let mut previous_key = vec[1].to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:2 [INFO] [stderr] | [INFO] [stderr] 88 | stream.read(&mut data_1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:101:3 [INFO] [stderr] | [INFO] [stderr] 101 | stream.read(&mut data_2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:105:3 [INFO] [stderr] | [INFO] [stderr] 105 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:111:4 [INFO] [stderr] | [INFO] [stderr] 111 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:155:5 [INFO] [stderr] | [INFO] [stderr] 155 | stream.read(&mut data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:162:6 [INFO] [stderr] | [INFO] [stderr] 162 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:171:4 [INFO] [stderr] | [INFO] [stderr] 171 | stream.read(&mut data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.94s [INFO] running `"docker" "inspect" "eff446fedc7bb460e3579aba14700e5ce13d6890857db3f364a6239269760997"` [INFO] running `"docker" "rm" "-f" "eff446fedc7bb460e3579aba14700e5ce13d6890857db3f364a6239269760997"` [INFO] [stdout] eff446fedc7bb460e3579aba14700e5ce13d6890857db3f364a6239269760997 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 84cd39d000e507f26ef48804aeabdc74f5410eb03913add056a20aa0c26e8ea3 [INFO] running `"docker" "start" "-a" "84cd39d000e507f26ef48804aeabdc74f5410eb03913add056a20aa0c26e8ea3"` [INFO] [stderr] Compiling pl_lab_4 v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `Shutdown` [INFO] [stderr] --> src/main.rs:2:40 [INFO] [stderr] | [INFO] [stderr] 2 | use std::net::{TcpListener, TcpStream, Shutdown}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:99:6 [INFO] [stderr] | [INFO] [stderr] 99 | for i in 0..4{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `received_key` is never read [INFO] [stderr] --> src/main.rs:150:12 [INFO] [stderr] | [INFO] [stderr] 150 | let mut received_key = "".to_string(); [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `next_key` is never read [INFO] [stderr] --> src/main.rs:151:12 [INFO] [stderr] | [INFO] [stderr] 151 | let mut next_key = "".to_string(); [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/main.rs:152:8 [INFO] [stderr] | [INFO] [stderr] 152 | for i in 0..4{ [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:93:6 [INFO] [stderr] | [INFO] [stderr] 93 | let mut previous_key = vec[1].to_string(); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:88:2 [INFO] [stderr] | [INFO] [stderr] 88 | stream.read(&mut data_1); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:101:3 [INFO] [stderr] | [INFO] [stderr] 101 | stream.read(&mut data_2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:105:3 [INFO] [stderr] | [INFO] [stderr] 105 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:111:4 [INFO] [stderr] | [INFO] [stderr] 111 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:155:5 [INFO] [stderr] | [INFO] [stderr] 155 | stream.read(&mut data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:162:6 [INFO] [stderr] | [INFO] [stderr] 162 | io::stdout().flush(); // Для нормальной работы print [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:171:4 [INFO] [stderr] | [INFO] [stderr] 171 | stream.read(&mut data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `"docker" "inspect" "84cd39d000e507f26ef48804aeabdc74f5410eb03913add056a20aa0c26e8ea3"` [INFO] running `"docker" "rm" "-f" "84cd39d000e507f26ef48804aeabdc74f5410eb03913add056a20aa0c26e8ea3"` [INFO] [stdout] 84cd39d000e507f26ef48804aeabdc74f5410eb03913add056a20aa0c26e8ea3 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Frostjaw/pl_lab_4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"` [INFO] [stdout] 2c9927e8546c6b63b6713d91a30ee4f1e9e48ee6d46c9418621329e210af5683 [INFO] running `"docker" "start" "-a" "2c9927e8546c6b63b6713d91a30ee4f1e9e48ee6d46c9418621329e210af5683"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/pl_lab_4-89daa6d619543692 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "2c9927e8546c6b63b6713d91a30ee4f1e9e48ee6d46c9418621329e210af5683"` [INFO] running `"docker" "rm" "-f" "2c9927e8546c6b63b6713d91a30ee4f1e9e48ee6d46c9418621329e210af5683"` [INFO] [stdout] 2c9927e8546c6b63b6713d91a30ee4f1e9e48ee6d46c9418621329e210af5683