[INFO] cloning repository https://github.com/sb-child/dz-print
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sb-child/dz-print" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsb-child%2Fdz-print", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsb-child%2Fdz-print'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d7811356a03959a4655d6f379f4b0cee78d171cf
[INFO] checking sb-child/dz-print against try#654bc80249a2b2ba8bd16392b5829d87ed96c92d for pr-136458
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsb-child%2Fdz-print" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sb-child/dz-print on toolchain 654bc80249a2b2ba8bd16392b5829d87ed96c92d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sb-child/dz-print
[INFO] finished tweaking git repo https://github.com/sb-child/dz-print
[INFO] tweaked toml for git repo https://github.com/sb-child/dz-print written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sb-child/dz-print 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" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f906a5a725ba42710f8386c9c59275057a62fcac0e3b6b3a70951dc6bc6ddf1
[INFO] running `Command { std: "docker" "start" "-a" "3f906a5a725ba42710f8386c9c59275057a62fcac0e3b6b3a70951dc6bc6ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f906a5a725ba42710f8386c9c59275057a62fcac0e3b6b3a70951dc6bc6ddf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f906a5a725ba42710f8386c9c59275057a62fcac0e3b6b3a70951dc6bc6ddf1", kill_on_drop: false }`
[INFO] [stdout] 3f906a5a725ba42710f8386c9c59275057a62fcac0e3b6b3a70951dc6bc6ddf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+654bc80249a2b2ba8bd16392b5829d87ed96c92d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04dd3fc83253c82c0fcdacfea18845b9b295233a5b49cafb211b102ff35fbb15
[INFO] running `Command { std: "docker" "start" "-a" "04dd3fc83253c82c0fcdacfea18845b9b295233a5b49cafb211b102ff35fbb15", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/backend/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::{Arc, Mutex},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]  --> src/backend/mod.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 |     sync::{Arc, Mutex},
[INFO] [stdout]   |                 ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromPrimitive`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromPrimitive`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/scheduler/mod.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | use num_traits::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/backend/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Endpoint {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 35 |     config: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config` is never read
[INFO] [stdout]   --> src/backend/mod.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Endpoint {
[INFO] [stdout]    |        -------- field in this struct
[INFO] [stdout] 35 |     config: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time::Duration`
[INFO] [stdout]  --> src/bin/dzprint.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `thread` and `time::Duration`
[INFO] [stdout]  --> src/bin/dzprint.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{thread, time::Duration};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/bin/dzprint.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let (cmd, ch) = backend::Command::without_response(c);
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ch`
[INFO] [stdout]   --> src/bin/dzprint.rs:93:27
[INFO] [stdout]    |
[INFO] [stdout] 93 |                 let (cmd, ch) = backend::Command::without_response(c);
[INFO] [stdout]    |                           ^^ help: if this is intentional, prefix it with an underscore: `_ch`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "04dd3fc83253c82c0fcdacfea18845b9b295233a5b49cafb211b102ff35fbb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04dd3fc83253c82c0fcdacfea18845b9b295233a5b49cafb211b102ff35fbb15", kill_on_drop: false }`
[INFO] [stdout] 04dd3fc83253c82c0fcdacfea18845b9b295233a5b49cafb211b102ff35fbb15