[INFO] fetching crate lun 0.0.1...
[INFO] testing lun-0.0.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate lun 0.0.1 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate lun 0.0.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lun 0.0.1
[INFO] finished tweaking crates.io crate lun 0.0.1
[INFO] tweaked toml for crates.io crate lun 0.0.1 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate crates.io crate lun 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f56e6c779a69e38a6046859c07259e0b3aca8d3ca3439c8b780f9b15856e20f
[INFO] running `Command { std: "docker" "start" "-a" "4f56e6c779a69e38a6046859c07259e0b3aca8d3ca3439c8b780f9b15856e20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f56e6c779a69e38a6046859c07259e0b3aca8d3ca3439c8b780f9b15856e20f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f56e6c779a69e38a6046859c07259e0b3aca8d3ca3439c8b780f9b15856e20f", kill_on_drop: false }`
[INFO] [stdout] 4f56e6c779a69e38a6046859c07259e0b3aca8d3ca3439c8b780f9b15856e20f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 054f466353aa348bd803d5ada8f99825f15fbe60e36173679158f7cef4725077
[INFO] running `Command { std: "docker" "start" "-a" "054f466353aa348bd803d5ada8f99825f15fbe60e36173679158f7cef4725077", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]    Compiling num_enum v0.5.6
[INFO] [stderr]    Compiling lun v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:72:21
[INFO] [stdout]    |
[INFO] [stdout] 72 |             cmp_b_r(r1) => unreachable!(),
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:73:22
[INFO] [stdout]    |
[INFO] [stdout] 73 |             cmp_b_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]   --> src/isa/logic/mod.rs:73:26
[INFO] [stdout]    |
[INFO] [stdout] 73 |             cmp_b_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:74:21
[INFO] [stdout]    |
[INFO] [stdout] 74 |             cmp_q_r(r1) => unreachable!(),
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |             cmp_q_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]   --> src/isa/logic/mod.rs:75:26
[INFO] [stdout]    |
[INFO] [stdout] 75 |             cmp_q_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:76:21
[INFO] [stdout]    |
[INFO] [stdout] 76 |             cmp_h_r(r1) => unreachable!(),
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r1`
[INFO] [stdout]   --> src/isa/logic/mod.rs:77:22
[INFO] [stdout]    |
[INFO] [stdout] 77 |             cmp_h_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                      ^^ help: if this is intentional, prefix it with an underscore: `_r1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r2`
[INFO] [stdout]   --> src/isa/logic/mod.rs:77:26
[INFO] [stdout]    |
[INFO] [stdout] 77 |             cmp_h_rr(r1, r2) => unreachable!(),
[INFO] [stdout]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_r2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lun` due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "054f466353aa348bd803d5ada8f99825f15fbe60e36173679158f7cef4725077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054f466353aa348bd803d5ada8f99825f15fbe60e36173679158f7cef4725077", kill_on_drop: false }`
[INFO] [stdout] 054f466353aa348bd803d5ada8f99825f15fbe60e36173679158f7cef4725077