[INFO] updating cached repository https://github.com/koba-e964/rusthon
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] testing koba-e964/rusthon against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoba-e964%2Frusthon" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/koba-e964/rusthon on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "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 work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/koba-e964/rusthon already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d8c19cbcea94be05b55ed3e84d10387f0d80a99916ce92850b956ec24fd026de
[INFO] running `"docker" "start" "-a" "d8c19cbcea94be05b55ed3e84d10387f0d80a99916ce92850b956ec24fd026de"`
[INFO] [stderr]    Compiling 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 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]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "d8c19cbcea94be05b55ed3e84d10387f0d80a99916ce92850b956ec24fd026de"`
[INFO] running `"docker" "rm" "-f" "d8c19cbcea94be05b55ed3e84d10387f0d80a99916ce92850b956ec24fd026de"`
[INFO] [stdout] d8c19cbcea94be05b55ed3e84d10387f0d80a99916ce92850b956ec24fd026de
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 93cd0f81f205d7b8c4729d10219b5d33ac8e28cbc2a50d0fa4232304a3d4d73a
[INFO] running `"docker" "start" "-a" "93cd0f81f205d7b8c4729d10219b5d33ac8e28cbc2a50d0fa4232304a3d4d73a"`
[INFO] [stderr]    Compiling 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 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `"docker" "inspect" "93cd0f81f205d7b8c4729d10219b5d33ac8e28cbc2a50d0fa4232304a3d4d73a"`
[INFO] running `"docker" "rm" "-f" "93cd0f81f205d7b8c4729d10219b5d33ac8e28cbc2a50d0fa4232304a3d4d73a"`
[INFO] [stdout] 93cd0f81f205d7b8c4729d10219b5d33ac8e28cbc2a50d0fa4232304a3d4d73a
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] d3943aa7b451560bee861d3543cfa209bb5e5617ba1037fcab8b888d92983304
[INFO] running `"docker" "start" "-a" "d3943aa7b451560bee861d3543cfa209bb5e5617ba1037fcab8b888d92983304"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthon-1d1d425429c0fc2c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusthon-6bc1a740aa63352a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusthon
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d3943aa7b451560bee861d3543cfa209bb5e5617ba1037fcab8b888d92983304"`
[INFO] running `"docker" "rm" "-f" "d3943aa7b451560bee861d3543cfa209bb5e5617ba1037fcab8b888d92983304"`
[INFO] [stdout] d3943aa7b451560bee861d3543cfa209bb5e5617ba1037fcab8b888d92983304