[INFO] fetching crate vc_8bit 0.1.12...
[INFO] checking vc_8bit-0.1.12 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate vc_8bit 0.1.12 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate vc_8bit 0.1.12
[INFO] finished tweaking crates.io crate vc_8bit 0.1.12
[INFO] tweaked toml for crates.io crate vc_8bit 0.1.12 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vc_8bit 0.1.12 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e6faf61cba89b7f7b7adc60cbbdf886e5a2d73d3ec3f8f7b48ec85ef8778827
[INFO] running `Command { std: "docker" "start" "-a" "3e6faf61cba89b7f7b7adc60cbbdf886e5a2d73d3ec3f8f7b48ec85ef8778827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e6faf61cba89b7f7b7adc60cbbdf886e5a2d73d3ec3f8f7b48ec85ef8778827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e6faf61cba89b7f7b7adc60cbbdf886e5a2d73d3ec3f8f7b48ec85ef8778827", kill_on_drop: false }`
[INFO] [stdout] 3e6faf61cba89b7f7b7adc60cbbdf886e5a2d73d3ec3f8f7b48ec85ef8778827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0932d43cdca84b31c26f72c933b961e301c3ebeef72639d195c444999ce159
[INFO] running `Command { std: "docker" "start" "-a" "7e0932d43cdca84b31c26f72c933b961e301c3ebeef72639d195c444999ce159", kill_on_drop: false }`
[INFO] [stderr]     Checking vc_8bit v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/c_lang.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::assembly::{self, compile_assembly_to_binary, string_to_bytes};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/c_lang.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::assembly::{self, compile_assembly_to_binary, string_to_bytes};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type
[INFO] [stdout]    --> src/c_lang.rs:529:73
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         let e2 = ExprNode::new_num(chars.peek().unwrap().clone().clone(), number);
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type
[INFO] [stdout]    --> src/c_lang.rs:547:69
[INFO] [stdout]     |
[INFO] [stdout] 547 |                     let e1 = ExprNode::new_num(chars.peek().unwrap().clone().clone(), number);
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type
[INFO] [stdout]    --> src/c_lang.rs:529:73
[INFO] [stdout]     |
[INFO] [stdout] 529 |                         let e2 = ExprNode::new_num(chars.peek().unwrap().clone().clone(), number);
[INFO] [stdout]     |                                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&Token` instead of cloning the inner type
[INFO] [stdout]    --> src/c_lang.rs:547:69
[INFO] [stdout]     |
[INFO] [stdout] 547 |                     let e1 = ExprNode::new_num(chars.peek().unwrap().clone().clone(), number);
[INFO] [stdout]     |                                                                     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "7e0932d43cdca84b31c26f72c933b961e301c3ebeef72639d195c444999ce159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0932d43cdca84b31c26f72c933b961e301c3ebeef72639d195c444999ce159", kill_on_drop: false }`
[INFO] [stdout] 7e0932d43cdca84b31c26f72c933b961e301c3ebeef72639d195c444999ce159