[INFO] updating cached repository https://github.com/kzoacn/yao-gc
[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] 54b3f7b71fd05ea05507d2b1bcc7591bee82de68
[INFO] checking kzoacn/yao-gc against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkzoacn%2Fyao-gc" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kzoacn/yao-gc on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kzoacn/yao-gc
[INFO] finished tweaking git repo https://github.com/kzoacn/yao-gc
[INFO] tweaked toml for git repo https://github.com/kzoacn/yao-gc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kzoacn/yao-gc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 6eb68663ec5b4789cd69d8bfa5417c90999faf04205a68e88ac89dfb294c65c7
[INFO] running `"docker" "start" "-a" "6eb68663ec5b4789cd69d8bfa5417c90999faf04205a68e88ac89dfb294c65c7"`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking yao-gc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `aes::enc`
[INFO] [stderr]  --> src/gate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aes::enc;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aes::dec`
[INFO] [stderr]  --> src/builder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aes::dec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `circuit::Circuit`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use circuit::Circuit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aes::enc`
[INFO] [stderr]  --> src/gate.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aes::enc;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `aes::dec`
[INFO] [stderr]  --> src/builder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use aes::dec;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `circuit::Circuit`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use circuit::Circuit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ans`
[INFO] [stderr]   --> src/circuit.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut ans : Vec<(usize,Wire)>=vec![];
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/circuit.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut ans : Vec<(usize,Wire)>=vec![];
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ans`
[INFO] [stderr]   --> src/circuit.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut ans : Vec<(usize,Wire)>=vec![];
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ans`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rand`
[INFO] [stderr]   --> src/wire.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn rand(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Output`
[INFO] [stderr]   --> src/gate.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Output {out:Vec<u128>},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Xor`
[INFO] [stderr]   --> src/gate.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Xor {tab:Vec<u128>,out:Vec<u128>}   ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/gate.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Not {tab:Vec<u128>,out:Vec<u128>}   ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output`
[INFO] [stderr]   --> src/builder.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn output(&mut self)->usize{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/circuit.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let mut ans : Vec<(usize,Wire)>=vec![];
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rand`
[INFO] [stderr]   --> src/wire.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn rand(&mut self){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Output`
[INFO] [stderr]   --> src/gate.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Output {out:Vec<u128>},
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Xor`
[INFO] [stderr]   --> src/gate.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     Xor {tab:Vec<u128>,out:Vec<u128>}   ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/gate.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     Not {tab:Vec<u128>,out:Vec<u128>}   ,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `output`
[INFO] [stderr]   --> src/builder.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn output(&mut self)->usize{
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.96s
[INFO] running `"docker" "inspect" "6eb68663ec5b4789cd69d8bfa5417c90999faf04205a68e88ac89dfb294c65c7"`
[INFO] running `"docker" "rm" "-f" "6eb68663ec5b4789cd69d8bfa5417c90999faf04205a68e88ac89dfb294c65c7"`
[INFO] [stdout] 6eb68663ec5b4789cd69d8bfa5417c90999faf04205a68e88ac89dfb294c65c7