[INFO] cloning repository https://github.com/d13g0h0h0/biphon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/d13g0h0h0/biphon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd13g0h0h0%2Fbiphon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd13g0h0h0%2Fbiphon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e99e431b8862193303f92839bcbc13ee1c333150
[INFO] checking d13g0h0h0/biphon against master#00bfd6b2734d9c28a147bf237490995731781fdd for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd13g0h0h0%2Fbiphon" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d13g0h0h0/biphon on toolchain 00bfd6b2734d9c28a147bf237490995731781fdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] finished tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] tweaked toml for git repo https://github.com/d13g0h0h0/biphon written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/d13g0h0h0/biphon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+00bfd6b2734d9c28a147bf237490995731781fdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking d13g0h0h0/biphon against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd13g0h0h0%2Fbiphon" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d13g0h0h0/biphon on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] finished tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] tweaked toml for git repo https://github.com/d13g0h0h0/biphon written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d13g0h0h0/biphon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking d13g0h0h0/biphon against try#aa7c6ba69acce8b10a275eabfe6157ea72c8b599 for pr-117984
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fd13g0h0h0%2Fbiphon" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/d13g0h0h0/biphon on toolchain aa7c6ba69acce8b10a275eabfe6157ea72c8b599
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] finished tweaking git repo https://github.com/d13g0h0h0/biphon
[INFO] tweaked toml for git repo https://github.com/d13g0h0h0/biphon written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/d13g0h0h0/biphon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc91fc65befea7bdbe27089eb84f53f5608ea067ec767f0bd2ce641c62706f25
[INFO] running `Command { std: "docker" "start" "-a" "fc91fc65befea7bdbe27089eb84f53f5608ea067ec767f0bd2ce641c62706f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc91fc65befea7bdbe27089eb84f53f5608ea067ec767f0bd2ce641c62706f25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc91fc65befea7bdbe27089eb84f53f5608ea067ec767f0bd2ce641c62706f25", kill_on_drop: false }`
[INFO] [stdout] fc91fc65befea7bdbe27089eb84f53f5608ea067ec767f0bd2ce641c62706f25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aa7c6ba69acce8b10a275eabfe6157ea72c8b599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7f57520470ff813e8053bc7e35e310f1b21a151e9fc7b0cc481dcdfb9060e1f
[INFO] running `Command { std: "docker" "start" "-a" "e7f57520470ff813e8053bc7e35e310f1b21a151e9fc7b0cc481dcdfb9060e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking biphon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `random`, `seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{seq::SliceRandom, random};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `random`, `seq::SliceRandom`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rand::{seq::SliceRandom, random};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut listCandidates = 
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut listCandidates = 
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut listInputs = 
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut listInputs = 
[INFO] [stdout]    |         ----^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Constraint {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 34 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/main.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Constraint {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 34 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `candidates` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Input{
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 40 |     name: String,
[INFO] [stdout] 41 |     candidates: [Candidate; MAX_CANDIDATES],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `candidates` is never read
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | struct Input{
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 40 |     name: String,
[INFO] [stdout] 41 |     candidates: [Candidate; MAX_CANDIDATES],
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `listViolations` are never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Candidate{
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 54 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     listViolations: [i32; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `listViolations` are never read
[INFO] [stdout]   --> src/main.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | struct Candidate{
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 54 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 55 |     listViolations: [i32; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_Con` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut list_Con =
[INFO] [stdout]   |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `list_con`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `list_Con` should have a snake case name
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut list_Con =
[INFO] [stdout]   |             ^^^^^^^^ help: convert the identifier to snake case (notice the capitalization): `list_con`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listCandidates` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut listCandidates = 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listCandidates` should have a snake case name
[INFO] [stdout]   --> src/main.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut listCandidates = 
[INFO] [stdout]    |             ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listInputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut listInputs = 
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `list_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `listInputs` should have a snake case name
[INFO] [stdout]   --> src/main.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut listInputs = 
[INFO] [stdout]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `list_inputs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `input_Randomizer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let input_Randomizer = rand::distributions::Uniform::from(1..listInputs.len());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `input_randomizer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `input_Randomizer` should have a snake case name
[INFO] [stdout]   --> src/main.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let input_Randomizer = rand::distributions::Uniform::from(1..listInputs.len());
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `input_randomizer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newInput` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn newInput(newName: &str, list: [Candidate; MAX_CANDIDATES]) -> Input{
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `new_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `newInput` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn newInput(newName: &str, list: [Candidate; MAX_CANDIDATES]) -> Input{
[INFO] [stdout]    |        ^^^^^^^^ help: convert the identifier to snake case: `new_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn newInput(newName: &str, list: [Candidate; MAX_CANDIDATES]) -> Input{
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `newName` should have a snake case name
[INFO] [stdout]   --> src/main.rs:45:17
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn newInput(newName: &str, list: [Candidate; MAX_CANDIDATES]) -> Input{
[INFO] [stdout]    |                 ^^^^^^^ help: convert the identifier to snake case: `new_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `listViolations` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     listViolations: [i32; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_violations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `listViolations` should have a snake case name
[INFO] [stdout]   --> src/main.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     listViolations: [i32; 2],
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `list_violations`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "e7f57520470ff813e8053bc7e35e310f1b21a151e9fc7b0cc481dcdfb9060e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f57520470ff813e8053bc7e35e310f1b21a151e9fc7b0cc481dcdfb9060e1f", kill_on_drop: false }`
[INFO] [stdout] e7f57520470ff813e8053bc7e35e310f1b21a151e9fc7b0cc481dcdfb9060e1f