[INFO] cloning repository https://github.com/colin-riddell/rust_sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/colin-riddell/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Frust_sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Frust_sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1072ef7bfaf3161f3d414f9c8e77488499adcd2 [INFO] testing colin-riddell/rust_sandbox against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcolin-riddell%2Frust_sandbox" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/colin-riddell/rust_sandbox on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/colin-riddell/rust_sandbox [INFO] finished tweaking git repo https://github.com/colin-riddell/rust_sandbox [INFO] tweaked toml for git repo https://github.com/colin-riddell/rust_sandbox written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/colin-riddell/rust_sandbox already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e96cfbc7657dd931b05e291882060ea268f4f3673d1bf66edf96598577b7aceb [INFO] running `Command { std: "docker" "start" "-a" "e96cfbc7657dd931b05e291882060ea268f4f3673d1bf66edf96598577b7aceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e96cfbc7657dd931b05e291882060ea268f4f3673d1bf66edf96598577b7aceb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e96cfbc7657dd931b05e291882060ea268f4f3673d1bf66edf96598577b7aceb", kill_on_drop: false }` [INFO] [stdout] e96cfbc7657dd931b05e291882060ea268f4f3673d1bf66edf96598577b7aceb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b767ce7058f714e3a9e6957059d5df4e6190318fd986e80b8f4972e2e107b8bb [INFO] running `Command { std: "docker" "start" "-a" "b767ce7058f714e3a9e6957059d5df4e6190318fd986e80b8f4972e2e107b8bb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling exec_time v0.1.4 [INFO] [stderr] Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/tcp_listener.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | for x in (0..payload_size) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `answer` is never read [INFO] [stdout] --> src/fizz_buzz.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut answer = fizzbuzz(number); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Person` [INFO] [stdout] --> src/person_struct.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | struct Person { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/person_struct.rs:8:8 [INFO] [stdout] | [INFO] [stdout] 8 | fn new(first: &str, last: &str) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_full_name` [INFO] [stdout] --> src/person_struct.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | fn get_full_name(&self) -> String{ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_last_name` [INFO] [stdout] --> src/person_struct.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | fn set_last_name(&mut self, name: &str){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/person_struct.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `fizzbuzz` [INFO] [stdout] --> src/fizz_buzz.rs:2:4 [INFO] [stdout] | [INFO] [stdout] 2 | fn fizzbuzz(number:i32)-> String { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/fizz_buzz.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tcp_listener::run(); [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: constant `payload_size` should have an upper case name [INFO] [stdout] --> src/tcp_listener.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | const payload_size : usize = 2048 [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `PAYLOAD_SIZE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp_listener.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | handle_client(stream?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.93s [INFO] running `Command { std: "docker" "inspect" "b767ce7058f714e3a9e6957059d5df4e6190318fd986e80b8f4972e2e107b8bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b767ce7058f714e3a9e6957059d5df4e6190318fd986e80b8f4972e2e107b8bb", kill_on_drop: false }` [INFO] [stdout] b767ce7058f714e3a9e6957059d5df4e6190318fd986e80b8f4972e2e107b8bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7093c34c63986ff26519af442bf1be5da227563e90093a54499c876b01dc152 [INFO] running `Command { std: "docker" "start" "-a" "a7093c34c63986ff26519af442bf1be5da227563e90093a54499c876b01dc152", kill_on_drop: false }` [INFO] [stderr] Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression [INFO] [stdout] --> src/tcp_listener.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | for x in (0..payload_size) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `answer` is never read [INFO] [stdout] --> src/fizz_buzz.rs:19:17 [INFO] [stdout] | [INFO] [stdout] 19 | let mut answer = fizzbuzz(number); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/person_struct.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `run` [INFO] [stdout] --> src/fizz_buzz.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn run(){ [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | tcp_listener::run(); [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: constant `payload_size` should have an upper case name [INFO] [stdout] --> src/tcp_listener.rs:10:11 [INFO] [stdout] | [INFO] [stdout] 10 | const payload_size : usize = 2048 [INFO] [stdout] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `PAYLOAD_SIZE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/tcp_listener.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | handle_client(stream?); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "a7093c34c63986ff26519af442bf1be5da227563e90093a54499c876b01dc152", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7093c34c63986ff26519af442bf1be5da227563e90093a54499c876b01dc152", kill_on_drop: false }` [INFO] [stdout] a7093c34c63986ff26519af442bf1be5da227563e90093a54499c876b01dc152 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9d02a5ab3db2d2a13a5952810dd0b08c8f16aadad295fa4f64d87a79fdd3e45b [INFO] running `Command { std: "docker" "start" "-a" "9d02a5ab3db2d2a13a5952810dd0b08c8f16aadad295fa4f64d87a79fdd3e45b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/tcp_listener.rs:18:14 [INFO] [stderr] | [INFO] [stderr] 18 | for x in (0..payload_size) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `answer` is never read [INFO] [stderr] --> src/fizz_buzz.rs:19:17 [INFO] [stderr] | [INFO] [stderr] 19 | let mut answer = fizzbuzz(number); [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: function is never used: `run` [INFO] [stderr] --> src/person_struct.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | pub fn run() { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `run` [INFO] [stderr] --> src/fizz_buzz.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn run(){ [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:19:5 [INFO] [stderr] | [INFO] [stderr] 19 | tcp_listener::run(); [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: constant `payload_size` should have an upper case name [INFO] [stderr] --> src/tcp_listener.rs:10:11 [INFO] [stderr] | [INFO] [stderr] 10 | const payload_size : usize = 2048 [INFO] [stderr] | ^^^^^^^^^^^^ help: convert the identifier to upper case: `PAYLOAD_SIZE` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/tcp_listener.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | handle_client(stream?); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `rust_sandbox` (bin "rust_sandbox" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-d3d0abab0ee4e2c3) [INFO] [stdout] running 5 tests [INFO] [stdout] test fizz_buzz::tests::it_returns_1_on_1 ... ok [INFO] [stdout] test fizz_buzz::tests::it_returns_buzz_on_5 ... ok [INFO] [stdout] test person_struct::tests::test_some_stuff ... ok [INFO] [stdout] test fizz_buzz::tests::it_returns_fizzbuzz_on_15 ... ok [INFO] [stdout] test fizz_buzz::tests::it_returns_fizz_on_3 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9d02a5ab3db2d2a13a5952810dd0b08c8f16aadad295fa4f64d87a79fdd3e45b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d02a5ab3db2d2a13a5952810dd0b08c8f16aadad295fa4f64d87a79fdd3e45b", kill_on_drop: false }` [INFO] [stdout] 9d02a5ab3db2d2a13a5952810dd0b08c8f16aadad295fa4f64d87a79fdd3e45b