[INFO] cloning repository https://github.com/paschyz/frakt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paschyz/frakt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaschyz%2Ffrakt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaschyz%2Ffrakt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 475e32341f79de82c98a3a4977332f941f1d06ec
[INFO] checking paschyz/frakt against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaschyz%2Ffrakt" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paschyz/frakt on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paschyz/frakt
[INFO] finished tweaking git repo https://github.com/paschyz/frakt
[INFO] tweaked toml for git repo https://github.com/paschyz/frakt written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/paschyz/frakt 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 453cb6f7f395569ed6d147d36d06086e9b26c35a5f095409b1de98ff6243c1e9
[INFO] running `Command { std: "docker" "start" "-a" "453cb6f7f395569ed6d147d36d06086e9b26c35a5f095409b1de98ff6243c1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "453cb6f7f395569ed6d147d36d06086e9b26c35a5f095409b1de98ff6243c1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "453cb6f7f395569ed6d147d36d06086e9b26c35a5f095409b1de98ff6243c1e9", kill_on_drop: false }`
[INFO] [stdout] 453cb6f7f395569ed6d147d36d06086e9b26c35a5f095409b1de98ff6243c1e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 860ae6545e49347c635daff8a27b5a20f3625a16be5ffdcc39dab8d12d4b8519
[INFO] running `Command { std: "docker" "start" "-a" "860ae6545e49347c635daff8a27b5a20f3625a16be5ffdcc39dab8d12d4b8519", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.194
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.194
[INFO] [stderr]     Checking complex v0.1.0 (/opt/rustwide/workdir/complex)
[INFO] [stderr]     Checking shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]     Checking worker v0.1.0 (/opt/rustwide/workdir/worker)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `error`, `info`, `trace`, and `warn`
[INFO] [stdout]  --> worker/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error, info, trace, warn, LevelFilter};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^  ^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LevelFilter`, `debug`, `error`, `info`, `trace`, and `warn`
[INFO] [stdout]  --> worker/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use log::{debug, error, info, trace, warn, LevelFilter};
[INFO] [stdout]   |           ^^^^^  ^^^^^  ^^^^  ^^^^^  ^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> worker/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize` and `Serialize`
[INFO] [stdout]  --> worker/src/main.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{Deserialize, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self`, `self`, and `self`
[INFO] [stdout]  --> worker/src/main.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |         fragment_request::{self, FragmentRequest},
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 6 |         fragment_result::{self, FragmentResult},
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 7 |         fragment_task::{self, FragmentTask},
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]   --> worker/src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     net::{Shutdown, SocketAddr, TcpStream},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `self`, `self`, and `self`
[INFO] [stdout]  --> worker/src/main.rs:5:28
[INFO] [stdout]   |
[INFO] [stdout] 5 |         fragment_request::{self, FragmentRequest},
[INFO] [stdout]   |                            ^^^^
[INFO] [stdout] 6 |         fragment_result::{self, FragmentResult},
[INFO] [stdout]   |                           ^^^^
[INFO] [stdout] 7 |         fragment_task::{self, FragmentTask},
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SocketAddr`
[INFO] [stdout]   --> worker/src/main.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     net::{Shutdown, SocketAddr, TcpStream},
[INFO] [stdout]    |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fragment_task`
[INFO] [stdout]   --> worker/src/main.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let fragment_task: Result<FragmentTask, std::io::Error> = match receive_task(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fragment_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fragment_task`
[INFO] [stdout]   --> worker/src/main.rs:94:17
[INFO] [stdout]    |
[INFO] [stdout] 94 |             let fragment_task: Result<FragmentTask, std::io::Error> = match receive_task(
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fragment_task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> worker/src/main.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     stream.read_exact(data_response_message_size);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let _ = stream.read_exact(data_response_message_size);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> worker/src/main.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 178 |     stream.read_exact(data_response_message_size);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 178 |     let _ = stream.read_exact(data_response_message_size);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "860ae6545e49347c635daff8a27b5a20f3625a16be5ffdcc39dab8d12d4b8519", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860ae6545e49347c635daff8a27b5a20f3625a16be5ffdcc39dab8d12d4b8519", kill_on_drop: false }`
[INFO] [stdout] 860ae6545e49347c635daff8a27b5a20f3625a16be5ffdcc39dab8d12d4b8519
