[INFO] fetching crate belgium 0.1.0...
[INFO] checking belgium-0.1.0 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate belgium 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate belgium 0.1.0 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate belgium 0.1.0
[INFO] finished tweaking crates.io crate belgium 0.1.0
[INFO] tweaked toml for crates.io crate belgium 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate belgium 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "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] 55b81e7b3761b93ecdd6020e90021e0865091de001868b2f58692dbee44aed7f
[INFO] running `"docker" "start" "-a" "55b81e7b3761b93ecdd6020e90021e0865091de001868b2f58692dbee44aed7f"`
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking belgium v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `rn`
[INFO] [stderr]    --> src/machine.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let rn = op1!(instruction);
[INFO] [stderr]     |                     ^^ help: consider prefixing with an underscore: `_rn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rm`
[INFO] [stderr]    --> src/machine.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 let rm = op2!(instruction);
[INFO] [stderr]     |                     ^^ help: consider prefixing with an underscore: `_rm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rn`
[INFO] [stderr]    --> src/machine.rs:166:21
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let rn = op1!(instruction);
[INFO] [stderr]     |                     ^^ help: consider prefixing with an underscore: `_rn`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rm`
[INFO] [stderr]    --> src/machine.rs:167:21
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 let rm = op2!(instruction);
[INFO] [stderr]     |                     ^^ help: consider prefixing with an underscore: `_rm`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNA`
[INFO] [stderr]  --> src/opcodes.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const UNKNOWNA: u8 = 0b0010_0000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNB`
[INFO] [stderr]  --> src/opcodes.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const UNKNOWNB: u8 = 0b0110_0000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNC`
[INFO] [stderr]   --> src/opcodes.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const UNKNOWNC: u8 = 0b1100_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWND`
[INFO] [stderr]   --> src/opcodes.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const UNKNOWND: u8 = 0b1110_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNE`
[INFO] [stderr]   --> src/opcodes.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const UNKNOWNE: u8 = 0b1111_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNA`
[INFO] [stderr]  --> src/opcodes.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub const UNKNOWNA: u8 = 0b0010_0000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNB`
[INFO] [stderr]  --> src/opcodes.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub const UNKNOWNB: u8 = 0b0110_0000;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNC`
[INFO] [stderr]   --> src/opcodes.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const UNKNOWNC: u8 = 0b1100_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWND`
[INFO] [stderr]   --> src/opcodes.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const UNKNOWND: u8 = 0b1110_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `UNKNOWNE`
[INFO] [stderr]   --> src/opcodes.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const UNKNOWNE: u8 = 0b1111_0000;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `"docker" "inspect" "55b81e7b3761b93ecdd6020e90021e0865091de001868b2f58692dbee44aed7f"`
[INFO] running `"docker" "rm" "-f" "55b81e7b3761b93ecdd6020e90021e0865091de001868b2f58692dbee44aed7f"`
[INFO] [stdout] 55b81e7b3761b93ecdd6020e90021e0865091de001868b2f58692dbee44aed7f