[INFO] cloning repository navi25/Chernobyl
[INFO] running `"git" "clone" "--bare" "git://github.com/navi25/Chernobyl.git" "work/cache/sources/gh/navi25/Chernobyl"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/navi25/Chernobyl'...
[INFO] running `"git" "clone" "work/cache/sources/gh/navi25/Chernobyl" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/navi25/Chernobyl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/navi25/Chernobyl'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/navi25/Chernobyl" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/navi25/Chernobyl"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/navi25/Chernobyl'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0d4ddc8a9926a8129d42b466c6fc7a6113203ab0
[INFO] sha for GitHub repo navi25/Chernobyl: 0d4ddc8a9926a8129d42b466c6fc7a6113203ab0
[INFO] validating manifest of navi25/Chernobyl on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of navi25/Chernobyl on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing navi25/Chernobyl
[INFO] finished frobbing navi25/Chernobyl
[INFO] frobbed toml for navi25/Chernobyl written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/navi25/Chernobyl/Cargo.toml
[INFO] started frobbing navi25/Chernobyl
[INFO] finished frobbing navi25/Chernobyl
[INFO] frobbed toml for navi25/Chernobyl written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/navi25/Chernobyl/Cargo.toml
[INFO] crate navi25/Chernobyl already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking navi25/Chernobyl against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/navi25/Chernobyl:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7b1a250713b5b670a6d3ea5d1cd0336ae300af4ec92da47bd2bca5253b63d38e
[INFO] running `"docker" "start" "-a" "7b1a250713b5b670a6d3ea5d1cd0336ae300af4ec92da47bd2bca5253b63d38e"`
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking chernobyl v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/assembler/opcode_parser.rs:14:9
[INFO] [stderr]    |
[INFO] [stderr] 14 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::nom::types::CompleteStr`
[INFO] [stderr]   --> src/assembler/opcode_parser.rs:15:9
[INFO] [stderr]    |
[INFO] [stderr] 15 |     use crate::nom::types::CompleteStr;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::assembler::Token`
[INFO] [stderr]   --> src/assembler/opcode_parser.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     use crate::assembler::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::instructions::Opcode`
[INFO] [stderr]   --> src/assembler/opcode_parser.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     use crate::instructions::Opcode;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/assembler/register_parser.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::nom::types::CompleteStr`
[INFO] [stderr]   --> src/assembler/register_parser.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     use crate::nom::types::CompleteStr;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::assembler::Token`
[INFO] [stderr]   --> src/assembler/register_parser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use crate::assembler::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::instructions::Opcode`
[INFO] [stderr]   --> src/assembler/register_parser.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use crate::instructions::Opcode;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::nom::types::CompleteStr`
[INFO] [stderr]   --> src/assembler/operand_parser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use crate::nom::types::CompleteStr;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::assembler::Token`
[INFO] [stderr]   --> src/assembler/operand_parser.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use crate::assembler::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::assembler::operand_parser::integer_operand`
[INFO] [stderr]   --> src/assembler/operand_parser.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     use crate::assembler::operand_parser::integer_operand;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::assembler::Token`
[INFO] [stderr]   --> src/assembler/register_parser.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use crate::assembler::Token;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::instructions::Opcode`
[INFO] [stderr]   --> src/assembler/register_parser.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use crate::instructions::Opcode;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vm`
[INFO] [stderr]  --> src/repl/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     vm : VM
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vm`
[INFO] [stderr]  --> src/repl/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     vm : VM
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `"docker" "inspect" "7b1a250713b5b670a6d3ea5d1cd0336ae300af4ec92da47bd2bca5253b63d38e"`
[INFO] running `"docker" "rm" "-f" "7b1a250713b5b670a6d3ea5d1cd0336ae300af4ec92da47bd2bca5253b63d38e"`
[INFO] [stdout] 7b1a250713b5b670a6d3ea5d1cd0336ae300af4ec92da47bd2bca5253b63d38e