[INFO] cloning repository https://github.com/as3richa/brainrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/as3richa/brainrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc6c05c91953b0d30e9f14d73429a5d22c0ccfc
[INFO] checking as3richa/brainrust against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fas3richa%2Fbrainrust" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/as3richa/brainrust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/as3richa/brainrust
[INFO] finished tweaking git repo https://github.com/as3richa/brainrust
[INFO] tweaked toml for git repo https://github.com/as3richa/brainrust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/as3richa/brainrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd1ba7b7c400cf340ae5d256a28926c4ba7338ac2e917a3acf77ca580d059c20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fd1ba7b7c400cf340ae5d256a28926c4ba7338ac2e917a3acf77ca580d059c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd1ba7b7c400cf340ae5d256a28926c4ba7338ac2e917a3acf77ca580d059c20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1ba7b7c400cf340ae5d256a28926c4ba7338ac2e917a3acf77ca580d059c20", kill_on_drop: false }`
[INFO] [stdout] fd1ba7b7c400cf340ae5d256a28926c4ba7338ac2e917a3acf77ca580d059c20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22350032db64467f299273ae8b46de0adf7aea17edd24c73e359f35d09115410
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22350032db64467f299273ae8b46de0adf7aea17edd24c73e359f35d09115410", kill_on_drop: false }`
[INFO] [stderr]     Checking brainrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/compiler.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/compiler.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line`
[INFO] [stdout]   --> src/compiler.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `column`
[INFO] [stdout]   --> src/compiler.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let (token, line, column) = parse(&mut stream)?;
[INFO] [stdout]    |                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_column`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_BSS_SIZE`
[INFO] [stdout]    --> src/elf.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub const MAX_BSS_SIZE: u64 = (1 + 0x7fffffffffff) - BSS_VIRTUAL_ADDRESS;
[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/parser.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn new(line: usize, column: usize, message: &'static str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `MAX_BSS_SIZE`
[INFO] [stdout]    --> src/elf.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub const MAX_BSS_SIZE: u64 = (1 + 0x7fffffffffff) - BSS_VIRTUAL_ADDRESS;
[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/parser.rs:126:8
[INFO] [stdout]     |
[INFO] [stdout] 126 |     fn new(line: usize, column: usize, message: &'static str) -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "22350032db64467f299273ae8b46de0adf7aea17edd24c73e359f35d09115410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22350032db64467f299273ae8b46de0adf7aea17edd24c73e359f35d09115410", kill_on_drop: false }`
[INFO] [stdout] 22350032db64467f299273ae8b46de0adf7aea17edd24c73e359f35d09115410