[INFO] fetching crate wlvm 0.4.0...
[INFO] checking wlvm-0.4.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate wlvm 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wlvm 0.4.0
[INFO] finished tweaking crates.io crate wlvm 0.4.0
[INFO] tweaked toml for crates.io crate wlvm 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wlvm 0.4.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate wlvm 0.4.0 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa0c545fda6d76ba6c6978e72c77bfacca679afc127e5f20892bc155c6d79733
[INFO] running `Command { std: "docker" "start" "-a" "aa0c545fda6d76ba6c6978e72c77bfacca679afc127e5f20892bc155c6d79733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa0c545fda6d76ba6c6978e72c77bfacca679afc127e5f20892bc155c6d79733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0c545fda6d76ba6c6978e72c77bfacca679afc127e5f20892bc155c6d79733", kill_on_drop: false }`
[INFO] [stdout] aa0c545fda6d76ba6c6978e72c77bfacca679afc127e5f20892bc155c6d79733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e68ed0c3eec500c301a26de3265651fe82d5fbf910ed6e759607db57acc7ba83
[INFO] running `Command { std: "docker" "start" "-a" "e68ed0c3eec500c301a26de3265651fe82d5fbf910ed6e759607db57acc7ba83", kill_on_drop: false }`
[INFO] [stderr]     Checking wlvm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `*`, `Instruction::*`, and `Register::*`
[INFO] [stdout]  --> src/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Instruction::*, Register::*, *};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^  ^^^^^^^^^^^  ^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Instruction::*` and `Register::*`
[INFO] [stdout]  --> src/tests.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{Instruction::*, Register::*, *};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e68ed0c3eec500c301a26de3265651fe82d5fbf910ed6e759607db57acc7ba83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e68ed0c3eec500c301a26de3265651fe82d5fbf910ed6e759607db57acc7ba83", kill_on_drop: false }`
[INFO] [stdout] e68ed0c3eec500c301a26de3265651fe82d5fbf910ed6e759607db57acc7ba83