[INFO] cloning repository https://github.com/7aske/jbvm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/7aske/jbvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7aske%2Fjbvm"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7aske%2Fjbvm'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dbc2f7e471bdf7a31e1b32b9941f4eb265549d61
[INFO] checking 7aske/jbvm against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F7aske%2Fjbvm" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/7aske/jbvm on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/7aske/jbvm
[INFO] finished tweaking git repo https://github.com/7aske/jbvm
[INFO] tweaked toml for git repo https://github.com/7aske/jbvm written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/7aske/jbvm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b56c9b004204d1b4d36200e8c65d5f518fe61ed0aa7b1522bf70761e0ad4ff76
[INFO] running `"docker" "start" "-a" "b56c9b004204d1b4d36200e8c65d5f518fe61ed0aa7b1522bf70761e0ad4ff76"`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]     Checking jbvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/assembler/operand_parsers.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / /// Parser for integer numbers, which we preface with `#` in our assembly language:
[INFO] [stderr] 6  | | /// #100
[INFO] [stderr]    | |________^
[INFO] [stderr] 7  | / named!(integer_operand<&[u8], Token>,
[INFO] [stderr] 8  | |     ws!(
[INFO] [stderr] 9  | |         do_parse!(
[INFO] [stderr] 10 | |             tag!("#") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     )
[INFO] [stderr] 17 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/assembler/operand_parsers.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / /// Parser for integer numbers, which we preface with `#` in our assembly language:
[INFO] [stderr] 6  | | /// #100
[INFO] [stderr]    | |________^
[INFO] [stderr] 7  | / named!(integer_operand<&[u8], Token>,
[INFO] [stderr] 8  | |     ws!(
[INFO] [stderr] 9  | |         do_parse!(
[INFO] [stderr] 10 | |             tag!("#") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     )
[INFO] [stderr] 17 | | );
[INFO] [stderr]    | |__- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/assembler/operand_parsers.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / named!(integer_operand<&[u8], Token>,
[INFO] [stderr] 8  | |     ws!(
[INFO] [stderr] 9  | |         do_parse!(
[INFO] [stderr] 10 | |             tag!("#") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     )
[INFO] [stderr] 17 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/assembler/register_parsers.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / named!(register <&[u8], Token>,
[INFO] [stderr] 4  | |     ws!(
[INFO] [stderr] 5  | |         do_parse!(
[INFO] [stderr] 6  | |             tag!("$") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     )
[INFO] [stderr] 15 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/assembler/operand_parsers.rs:7:1
[INFO] [stderr]    |
[INFO] [stderr] 7  | / named!(integer_operand<&[u8], Token>,
[INFO] [stderr] 8  | |     ws!(
[INFO] [stderr] 9  | |         do_parse!(
[INFO] [stderr] 10 | |             tag!("#") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 16 | |     )
[INFO] [stderr] 17 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'ws': whitespace parsing only works with macros and will not be updated anymore
[INFO] [stderr]   --> src/assembler/register_parsers.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / named!(register <&[u8], Token>,
[INFO] [stderr] 4  | |     ws!(
[INFO] [stderr] 5  | |         do_parse!(
[INFO] [stderr] 6  | |             tag!("$") >>
[INFO] [stderr] ...  |
[INFO] [stderr] 14 | |     )
[INFO] [stderr] 15 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/assembler/opcode_parsers.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `opcode`
[INFO] [stderr]   --> src/instruction.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     opcode: Opcode,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.56s
[INFO] running `"docker" "inspect" "b56c9b004204d1b4d36200e8c65d5f518fe61ed0aa7b1522bf70761e0ad4ff76"`
[INFO] running `"docker" "rm" "-f" "b56c9b004204d1b4d36200e8c65d5f518fe61ed0aa7b1522bf70761e0ad4ff76"`
[INFO] [stdout] b56c9b004204d1b4d36200e8c65d5f518fe61ed0aa7b1522bf70761e0ad4ff76