[INFO] cloning repository https://github.com/shautvast/rust_lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shautvast/rust_lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust_lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust_lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a66bf2e16ea1f388e0512efe1f845f6b9afaa5f9
[INFO] checking shautvast/rust_lox against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Frust_lox" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shautvast/rust_lox on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shautvast/rust_lox
[INFO] finished tweaking git repo https://github.com/shautvast/rust_lox
[INFO] tweaked toml for git repo https://github.com/shautvast/rust_lox written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shautvast/rust_lox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86d0ae2789cb87fabd895c70e121d79f9a1338ac6cf88d1cf5122cd3e1b51f46
[INFO] running `Command { std: "docker" "start" "-a" "86d0ae2789cb87fabd895c70e121d79f9a1338ac6cf88d1cf5122cd3e1b51f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d0ae2789cb87fabd895c70e121d79f9a1338ac6cf88d1cf5122cd3e1b51f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d0ae2789cb87fabd895c70e121d79f9a1338ac6cf88d1cf5122cd3e1b51f46", kill_on_drop: false }`
[INFO] [stdout] 86d0ae2789cb87fabd895c70e121d79f9a1338ac6cf88d1cf5122cd3e1b51f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c61c5fbfd232f16aeddf9b7f5396f9eeed643806fd27fe098674fd2cb123ba77
[INFO] running `Command { std: "docker" "start" "-a" "c61c5fbfd232f16aeddf9b7f5396f9eeed643806fd27fe098674fd2cb123ba77", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::expression::Expr::Binary`
[INFO] [stdout]  --> src/parser_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::expression::Expr::Binary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::expression::Expr::Literal`
[INFO] [stdout]  --> src/parser_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::expression::Expr::Literal;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::parse`
[INFO] [stdout]  --> src/parser_tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::parse;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::scanner::scan_tokens`
[INFO] [stdout]  --> src/parser_tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::scanner::scan_tokens;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokens::Token`
[INFO] [stdout]  --> src/parser_tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::tokens::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::tokens::TokenType::PLUS`
[INFO] [stdout]  --> src/parser_tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::tokens::TokenType::PLUS;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `None`, `Numeric`
[INFO] [stdout]  --> src/parser_tests.rs:7:28
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::tokens::Value::{None,Numeric};
[INFO] [stdout]   |                            ^^^^ ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "c61c5fbfd232f16aeddf9b7f5396f9eeed643806fd27fe098674fd2cb123ba77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c61c5fbfd232f16aeddf9b7f5396f9eeed643806fd27fe098674fd2cb123ba77", kill_on_drop: false }`
[INFO] [stdout] c61c5fbfd232f16aeddf9b7f5396f9eeed643806fd27fe098674fd2cb123ba77