[INFO] updating cached repository https://github.com/koba-e964/rusthon
[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] f17f55af8ce110a5c303135797e4458bed7693d7
[INFO] checking koba-e964/rusthon against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Frusthon" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koba-e964/rusthon on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/koba-e964/rusthon
[INFO] finished tweaking git repo https://github.com/koba-e964/rusthon
[INFO] tweaked toml for git repo https://github.com/koba-e964/rusthon written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/koba-e964/rusthon already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] ad257f9334fbbdfb014284036c567f8170f5c48f843d0f4d00d5990a5c61d382
[INFO] running `"docker" "start" "-a" "ad257f9334fbbdfb014284036c567f8170f5c48f843d0f4d00d5990a5c61d382"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rusthon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / macro_rules! read_value {
[INFO] [stderr] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stderr] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stderr] 36 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / macro_rules! debug {
[INFO] [stderr] 63 | |     ($($format:tt)*) => (
[INFO] [stderr] 64 | |         if DEBUG {
[INFO] [stderr] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stderr] 66 | |         });
[INFO] [stderr] 67 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / macro_rules! read_value {
[INFO] [stderr] 34 | |     ($next:expr, ( $($t:tt),* )) => {
[INFO] [stderr] 35 | |         ( $(read_value!($next, $t)),* )
[INFO] [stderr] 36 | |     };
[INFO] [stderr] ...  |
[INFO] [stderr] 57 | |     };
[INFO] [stderr] 58 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/solver.rs:62:1
[INFO] [stderr]    |
[INFO] [stderr] 62 | / macro_rules! debug {
[INFO] [stderr] 63 | |     ($($format:tt)*) => (
[INFO] [stderr] 64 | |         if DEBUG {
[INFO] [stderr] 65 | |             writeln!(std::io::stderr(), $($format)*).unwrap();
[INFO] [stderr] 66 | |         });
[INFO] [stderr] 67 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/solver.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEBUG`
[INFO] [stderr]   --> src/solver.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | const DEBUG: bool = true;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/solver.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{BufWriter, Write};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEBUG`
[INFO] [stderr]   --> src/solver.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | const DEBUG: bool = true;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/main.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn gen<R: Rng>(rng: &mut R) -> Instance {
[INFO] [stderr]   |                ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inst`
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let inst = gen(&mut rng);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_inst`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]  --> src/main.rs:9:16
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn gen<R: Rng>(rng: &mut R) -> Instance {
[INFO] [stderr]   |                ^^^ help: consider prefixing with an underscore: `_rng`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `inst`
[INFO] [stderr]   --> src/main.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let inst = gen(&mut rng);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_inst`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.36s
[INFO] running `"docker" "inspect" "ad257f9334fbbdfb014284036c567f8170f5c48f843d0f4d00d5990a5c61d382"`
[INFO] running `"docker" "rm" "-f" "ad257f9334fbbdfb014284036c567f8170f5c48f843d0f4d00d5990a5c61d382"`
[INFO] [stdout] ad257f9334fbbdfb014284036c567f8170f5c48f843d0f4d00d5990a5c61d382