[INFO] cloning repository https://github.com/FredrikMeyer/tiny_compiler_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FredrikMeyer/tiny_compiler_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Ftiny_compiler_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Ftiny_compiler_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] fd93446854a34cc72a0fc1388e416f048d02c194 [INFO] testing FredrikMeyer/tiny_compiler_rust against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFredrikMeyer%2Ftiny_compiler_rust" "/workspace/builds/worker-81/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-81/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FredrikMeyer/tiny_compiler_rust 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/FredrikMeyer/tiny_compiler_rust [INFO] finished tweaking git repo https://github.com/FredrikMeyer/tiny_compiler_rust [INFO] tweaked toml for git repo https://github.com/FredrikMeyer/tiny_compiler_rust written to /workspace/builds/worker-81/source/Cargo.toml [INFO] crate git repo https://github.com/FredrikMeyer/tiny_compiler_rust 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-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 0bdb7ea2adb99b90b588c969984df58f11c160caaf1392643bffa63848aafee6 [INFO] running `Command { std: "docker" "start" "-a" "0bdb7ea2adb99b90b588c969984df58f11c160caaf1392643bffa63848aafee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bdb7ea2adb99b90b588c969984df58f11c160caaf1392643bffa63848aafee6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bdb7ea2adb99b90b588c969984df58f11c160caaf1392643bffa63848aafee6", kill_on_drop: false }` [INFO] [stdout] 0bdb7ea2adb99b90b588c969984df58f11c160caaf1392643bffa63848aafee6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 126f14e0a6718db5fd55f40e576cdc97f10f6df3738492a9f0b4d19ecf1d9e8d [INFO] running `Command { std: "docker" "start" "-a" "126f14e0a6718db5fd55f40e576cdc97f10f6df3738492a9f0b4d19ecf1d9e8d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufWriter`, `Write` [INFO] [stdout] --> src/main.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stdin, BufRead, BufWriter, Write}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | fn read_from_stdin(mut reader: R) -> String [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: associated function is never used: `abort` [INFO] [stdout] --> src/tokenizer.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn abort(&self, _message: String) {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.16s [INFO] running `Command { std: "docker" "inspect" "126f14e0a6718db5fd55f40e576cdc97f10f6df3738492a9f0b4d19ecf1d9e8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "126f14e0a6718db5fd55f40e576cdc97f10f6df3738492a9f0b4d19ecf1d9e8d", kill_on_drop: false }` [INFO] [stdout] 126f14e0a6718db5fd55f40e576cdc97f10f6df3738492a9f0b4d19ecf1d9e8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] 1c670e782a20223890d35917ae04d289be69be001819f81f827bebede644c21b [INFO] running `Command { std: "docker" "start" "-a" "1c670e782a20223890d35917ae04d289be69be001819f81f827bebede644c21b", kill_on_drop: false }` [INFO] [stderr] Compiling rust_compiler v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufWriter`, `Write` [INFO] [stdout] --> src/main.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | io::{stdin, BufRead, BufWriter, Write}, [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:8:23 [INFO] [stdout] | [INFO] [stdout] 8 | fn read_from_stdin(mut reader: R) -> String [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: associated function is never used: `abort` [INFO] [stdout] --> src/tokenizer.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn abort(&self, _message: String) {} [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "1c670e782a20223890d35917ae04d289be69be001819f81f827bebede644c21b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c670e782a20223890d35917ae04d289be69be001819f81f827bebede644c21b", kill_on_drop: false }` [INFO] [stdout] 1c670e782a20223890d35917ae04d289be69be001819f81f827bebede644c21b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-81/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] f060130851af688c5fa3c0fdf32dfdb867f14e994b029ae36f686bd4c2bb7e89 [INFO] running `Command { std: "docker" "start" "-a" "f060130851af688c5fa3c0fdf32dfdb867f14e994b029ae36f686bd4c2bb7e89", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused imports: `BufWriter`, `Write` [INFO] [stderr] --> src/main.rs:2:26 [INFO] [stderr] | [INFO] [stderr] 2 | io::{stdin, BufRead, BufWriter, Write}, [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:8:23 [INFO] [stderr] | [INFO] [stderr] 8 | fn read_from_stdin(mut reader: R) -> 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: associated function is never used: `abort` [INFO] [stderr] --> src/tokenizer.rs:73:8 [INFO] [stderr] | [INFO] [stderr] 73 | fn abort(&self, _message: String) {} [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `rust_compiler` (bin "rust_compiler" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.12s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_compiler-17952d411fed9a60) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test test_read_input ... ok [INFO] [stdout] test tokenizer::tests::test_comment ... ok [INFO] [stdout] test tokenizer::tests::test_read_string ... ok [INFO] [stdout] test tokenizer::tests::test_if_then ... ok [INFO] [stdout] test tokenizer::tests::test_read_token ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f060130851af688c5fa3c0fdf32dfdb867f14e994b029ae36f686bd4c2bb7e89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f060130851af688c5fa3c0fdf32dfdb867f14e994b029ae36f686bd4c2bb7e89", kill_on_drop: false }` [INFO] [stdout] f060130851af688c5fa3c0fdf32dfdb867f14e994b029ae36f686bd4c2bb7e89