[INFO] updating cached repository https://github.com/p7g/rust-bytecode-vm
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 202e203593b396de2cd6779f19cf8e1a5486eb5e
[INFO] checking p7g/rust-bytecode-vm against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fp7g%2Frust-bytecode-vm" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/p7g/rust-bytecode-vm on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/p7g/rust-bytecode-vm
[INFO] finished tweaking git repo https://github.com/p7g/rust-bytecode-vm
[INFO] tweaked toml for git repo https://github.com/p7g/rust-bytecode-vm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/p7g/rust-bytecode-vm already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 93ca189dd92a3bfd6aadda97a87294fd83a2064a80f39f4506fec96c8aabfdcb
[INFO] running `"docker" "start" "-a" "93ca189dd92a3bfd6aadda97a87294fd83a2064a80f39f4506fec96c8aabfdcb"`
[INFO] [stderr]     Checking rust-bytecode-vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/bytecode.rs:316:1
[INFO] [stderr]     |
[INFO] [stderr] 316 | / macro_rules! bytecode {
[INFO] [stderr] 317 | |     (($builder:expr) add $($tt:tt)*) => {{
[INFO] [stderr] 318 | |         bytecode! {
[INFO] [stderr] 319 | |             ($builder.add())
[INFO] [stderr] ...   |
[INFO] [stderr] 682 | |     }};
[INFO] [stderr] 683 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/disassemble.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytecode::Bytecode`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use bytecode::Bytecode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `disassemble::disassemble`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use disassemble::disassemble;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]  --> src/disassemble.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::convert::TryFrom;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bytecode::Bytecode`
[INFO] [stderr]   --> src/main.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | use bytecode::Bytecode;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `disassemble::disassemble`
[INFO] [stderr]   --> src/main.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use disassemble::disassemble;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `"docker" "inspect" "93ca189dd92a3bfd6aadda97a87294fd83a2064a80f39f4506fec96c8aabfdcb"`
[INFO] running `"docker" "rm" "-f" "93ca189dd92a3bfd6aadda97a87294fd83a2064a80f39f4506fec96c8aabfdcb"`
[INFO] [stdout] 93ca189dd92a3bfd6aadda97a87294fd83a2064a80f39f4506fec96c8aabfdcb