[INFO] cloning repository https://github.com/ChrisWeldon/decafc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisWeldon/decafc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWeldon%2Fdecafc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWeldon%2Fdecafc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd03672d8054f9e14eb51c3e02311b8278fc248a
[INFO] building ChrisWeldon/decafc against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisWeldon%2Fdecafc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisWeldon/decafc on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChrisWeldon/decafc
[INFO] finished tweaking git repo https://github.com/ChrisWeldon/decafc
[INFO] tweaked toml for git repo https://github.com/ChrisWeldon/decafc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisWeldon/decafc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 071ea7f2218bf2abeff67649ce1439ff913380b6976362a02a7c2c1a44c94b16
[INFO] running `Command { std: "docker" "start" "-a" "071ea7f2218bf2abeff67649ce1439ff913380b6976362a02a7c2c1a44c94b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "071ea7f2218bf2abeff67649ce1439ff913380b6976362a02a7c2c1a44c94b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071ea7f2218bf2abeff67649ce1439ff913380b6976362a02a7c2c1a44c94b16", kill_on_drop: false }`
[INFO] [stdout] 071ea7f2218bf2abeff67649ce1439ff913380b6976362a02a7c2c1a44c94b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0fe14d23cc346927e4c395c3a9cf2a8d22a670a5ab85c4b160917bf020b965a
[INFO] running `Command { std: "docker" "start" "-a" "a0fe14d23cc346927e4c395c3a9cf2a8d22a670a5ab85c4b160917bf020b965a", kill_on_drop: false }`
[INFO] [stderr]    Compiling coolc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlusEquals`, `MinusEquals`, `And`, `Or`, `Hex`, and `Void` are never constructed
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PlusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     MinusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Hex, // We are including 0x in the micro syntax
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{self, stdout, Write};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlusEquals`, `MinusEquals`, `And`, `Or`, `Hex`, and `Void` are never constructed
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PlusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     MinusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Hex, // We are including 0x in the micro syntax
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         std::io::stdin().read_line(&mut buffer_in);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = std::io::stdin().read_line(&mut buffer_in);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "a0fe14d23cc346927e4c395c3a9cf2a8d22a670a5ab85c4b160917bf020b965a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fe14d23cc346927e4c395c3a9cf2a8d22a670a5ab85c4b160917bf020b965a", kill_on_drop: false }`
[INFO] [stdout] a0fe14d23cc346927e4c395c3a9cf2a8d22a670a5ab85c4b160917bf020b965a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dbe148f96167db912fa0009b1025b773507815a58644f5ec1d0258cbeff48af
[INFO] running `Command { std: "docker" "start" "-a" "1dbe148f96167db912fa0009b1025b773507815a58644f5ec1d0258cbeff48af", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlusEquals`, `MinusEquals`, `And`, `Or`, `Hex`, and `Void` are never constructed
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PlusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     MinusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Hex, // We are including 0x in the micro syntax
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling coolc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdout`
[INFO] [stdout]  --> src/main.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     use std::io::{self, stdout, Write};
[INFO] [stdout]   |                         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/lexer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlusEquals`, `MinusEquals`, `And`, `Or`, `Hex`, and `Void` are never constructed
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PlusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     MinusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Hex, // We are including 0x in the micro syntax
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         std::io::stdin().read_line(&mut buffer_in);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 13 |         let _ = std::io::stdin().read_line(&mut buffer_in);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `PlusEquals`, `MinusEquals`, `And`, `Or`, `Hex`, and `Void` are never constructed
[INFO] [stdout]   --> src/lexer.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Token {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 28 |     PlusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     MinusEquals,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 31 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |     Hex, // We are including 0x in the micro syntax
[INFO] [stdout]    |     ^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     Void,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "1dbe148f96167db912fa0009b1025b773507815a58644f5ec1d0258cbeff48af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dbe148f96167db912fa0009b1025b773507815a58644f5ec1d0258cbeff48af", kill_on_drop: false }`
[INFO] [stdout] 1dbe148f96167db912fa0009b1025b773507815a58644f5ec1d0258cbeff48af
