[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 beta-2021-09-08 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-92/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-92/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/FredrikMeyer/tiny_compiler_rust on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-92/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" "+beta-2021-09-08" "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-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 706e8b086ec9a6068a514697922ef2af0bc3968a6df4848f6d5e37854f87a653 [INFO] running `Command { std: "docker" "start" "-a" "706e8b086ec9a6068a514697922ef2af0bc3968a6df4848f6d5e37854f87a653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "706e8b086ec9a6068a514697922ef2af0bc3968a6df4848f6d5e37854f87a653", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "706e8b086ec9a6068a514697922ef2af0bc3968a6df4848f6d5e37854f87a653", kill_on_drop: false }` [INFO] [stdout] 706e8b086ec9a6068a514697922ef2af0bc3968a6df4848f6d5e37854f87a653 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a0a73591bf709ffe14f381f2a11ed71412297e44c7d023ca21f0fda165c35ce [INFO] running `Command { std: "docker" "start" "-a" "5a0a73591bf709ffe14f381f2a11ed71412297e44c7d023ca21f0fda165c35ce", 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 3.17s [INFO] running `Command { std: "docker" "inspect" "5a0a73591bf709ffe14f381f2a11ed71412297e44c7d023ca21f0fda165c35ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0a73591bf709ffe14f381f2a11ed71412297e44c7d023ca21f0fda165c35ce", kill_on_drop: false }` [INFO] [stdout] 5a0a73591bf709ffe14f381f2a11ed71412297e44c7d023ca21f0fda165c35ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ef3e9654fc960e9abde2110363ad978988dc475a35e38eca8cb827e5cebb6a1 [INFO] running `Command { std: "docker" "start" "-a" "4ef3e9654fc960e9abde2110363ad978988dc475a35e38eca8cb827e5cebb6a1", 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 0.93s [INFO] running `Command { std: "docker" "inspect" "4ef3e9654fc960e9abde2110363ad978988dc475a35e38eca8cb827e5cebb6a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ef3e9654fc960e9abde2110363ad978988dc475a35e38eca8cb827e5cebb6a1", kill_on_drop: false }` [INFO] [stdout] 4ef3e9654fc960e9abde2110363ad978988dc475a35e38eca8cb827e5cebb6a1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8cf7c9f09e27fdeb7e3f9f1bb251e063fa46b26c8e4ac58cee14e14d01342139 [INFO] running `Command { std: "docker" "start" "-a" "8cf7c9f09e27fdeb7e3f9f1bb251e063fa46b26c8e4ac58cee14e14d01342139", 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 1.70s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_compiler-55dc085525015aa0) [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_if_then ... ok [INFO] [stdout] test tokenizer::tests::test_read_string ... 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 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cf7c9f09e27fdeb7e3f9f1bb251e063fa46b26c8e4ac58cee14e14d01342139", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cf7c9f09e27fdeb7e3f9f1bb251e063fa46b26c8e4ac58cee14e14d01342139", kill_on_drop: false }` [INFO] [stdout] 8cf7c9f09e27fdeb7e3f9f1bb251e063fa46b26c8e4ac58cee14e14d01342139