[INFO] cloning repository https://github.com/N-give/viri
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N-give/viri" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-give%2Fviri", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-give%2Fviri'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 069f759d040c86f61404ac382196f2abf3e15ac4
[INFO] checking N-give/viri against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN-give%2Fviri" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/N-give/viri on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/N-give/viri
[INFO] finished tweaking git repo https://github.com/N-give/viri
[INFO] tweaked toml for git repo https://github.com/N-give/viri written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/N-give/viri 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99fc00a74dd37156c626e15ff471d8e8c100588b484ff28aef131d51ca9052ec
[INFO] running `Command { std: "docker" "start" "-a" "99fc00a74dd37156c626e15ff471d8e8c100588b484ff28aef131d51ca9052ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fc00a74dd37156c626e15ff471d8e8c100588b484ff28aef131d51ca9052ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fc00a74dd37156c626e15ff471d8e8c100588b484ff28aef131d51ca9052ec", kill_on_drop: false }`
[INFO] [stdout] 99fc00a74dd37156c626e15ff471d8e8c100588b484ff28aef131d51ca9052ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d7bbaeb9810ffee3ad491cba100449466f7a182c24f92fc70fa373f0bfae345
[INFO] running `Command { std: "docker" "start" "-a" "7d7bbaeb9810ffee3ad491cba100449466f7a182c24f92fc70fa373f0bfae345", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking viri v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `output`
[INFO] [stdout]  --> src/child.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{output, cursor::Cursor};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/child.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     }, runtime::Runtime, sync::mpsc::{self, UnboundedReceiver}};
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone`, `slice::Iter`
[INFO] [stdout]  --> src/state.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{clone, collections::HashMap, slice::Iter};
[INFO] [stdout]   |           ^^^^^                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `output`
[INFO] [stdout]  --> src/child.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{output, cursor::Cursor};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/child.rs:13:39
[INFO] [stdout]    |
[INFO] [stdout] 13 |     }, runtime::Runtime, sync::mpsc::{self, UnboundedReceiver}};
[INFO] [stdout]    |                                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `clone`, `slice::Iter`
[INFO] [stdout]  --> src/state.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{clone, collections::HashMap, slice::Iter};
[INFO] [stdout]   |           ^^^^^                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OutputType` is never used
[INFO] [stdout]  --> src/output.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum OutputType {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OutputType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Output` is never constructed
[INFO] [stdout]   --> src/output.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Output {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Output` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run_output`, and `print_buffer` are never used
[INFO] [stdout]   --> src/output.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Output {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(recv: Receiver<OutputType>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub async fn run_output(mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     async fn print_buffer(
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OutputType` is never used
[INFO] [stdout]  --> src/output.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub enum OutputType {
[INFO] [stdout]   |          ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `OutputType` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Output` is never constructed
[INFO] [stdout]   --> src/output.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Output {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Output` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run_output`, and `print_buffer` are never used
[INFO] [stdout]   --> src/output.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Output {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 23 |     pub fn new(recv: Receiver<OutputType>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     pub async fn run_output(mut self) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     async fn print_buffer(
[INFO] [stdout]    |              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.67s
[INFO] running `Command { std: "docker" "inspect" "7d7bbaeb9810ffee3ad491cba100449466f7a182c24f92fc70fa373f0bfae345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d7bbaeb9810ffee3ad491cba100449466f7a182c24f92fc70fa373f0bfae345", kill_on_drop: false }`
[INFO] [stdout] 7d7bbaeb9810ffee3ad491cba100449466f7a182c24f92fc70fa373f0bfae345