[INFO] cloning repository https://github.com/dangerousplay/file-server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dangerousplay/file-server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdangerousplay%2Ffile-server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdangerousplay%2Ffile-server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64924a419c4c3d57ba65d62dde1efb3b38bff7ce
[INFO] checking dangerousplay/file-server against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdangerousplay%2Ffile-server" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dangerousplay/file-server on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dangerousplay/file-server
[INFO] finished tweaking git repo https://github.com/dangerousplay/file-server
[INFO] tweaked toml for git repo https://github.com/dangerousplay/file-server written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dangerousplay/file-server 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-map-derive v0.4.6
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[INFO] [stderr]   Downloaded cursive v0.16.3
[INFO] [stderr]   Downloaded cursive_core v0.2.2
[INFO] [stderr]   Downloaded cursive-async-view v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1190507ea6afd9fa6b6d0e5e63f51d6fb77fe4c0bba155323c5fb0d97b86750e
[INFO] running `Command { std: "docker" "start" "-a" "1190507ea6afd9fa6b6d0e5e63f51d6fb77fe4c0bba155323c5fb0d97b86750e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1190507ea6afd9fa6b6d0e5e63f51d6fb77fe4c0bba155323c5fb0d97b86750e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1190507ea6afd9fa6b6d0e5e63f51d6fb77fe4c0bba155323c5fb0d97b86750e", kill_on_drop: false }`
[INFO] [stdout] 1190507ea6afd9fa6b6d0e5e63f51d6fb77fe4c0bba155323c5fb0d97b86750e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d620dca26642e091da5f5e281ca12f51c08d9894e81c38034c77fc55be4076f
[INFO] running `Command { std: "docker" "start" "-a" "6d620dca26642e091da5f5e281ca12f51c08d9894e81c38034c77fc55be4076f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
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[INFO] [stderr]    Compiling darling_macro v0.10.2
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[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: unused imports: `OptionExt` and `ResultExt`
[INFO] [stdout]  --> core/src/protocol/parser.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snafu::{Backtrace, ResultExt, Snafu, OptionExt};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> core/src/protocol/protocol.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{BytesMut, Bytes};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `OptionExt`, and `ResultExt`
[INFO] [stdout]  --> core/src/protocol/protocol.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snafu::{Backtrace, ResultExt, Snafu, OptionExt};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `OptionExt` and `ResultExt`
[INFO] [stdout]  --> core/src/protocol/parser.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snafu::{Backtrace, ResultExt, Snafu, OptionExt};
[INFO] [stdout]   |                        ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parse_response`
[INFO] [stdout]    --> core/src/protocol/parser.rs:172:35
[INFO] [stdout]     |
[INFO] [stdout] 172 |     use crate::protocol::parser::{parse_response, escape_string, interpret_escaped_string};
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Bytes`
[INFO] [stdout]  --> core/src/protocol/protocol.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{BytesMut, Bytes};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Backtrace`, `OptionExt`, and `ResultExt`
[INFO] [stdout]  --> core/src/protocol/protocol.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use snafu::{Backtrace, ResultExt, Snafu, OptionExt};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> core/src/protocol/parser.rs:182:13
[INFO] [stdout]     |
[INFO] [stdout] 182 |         let a = 123;
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stdout] warning: unused import: `ListView`
[INFO] [stdout]  --> client/src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::views::{Dialog, TextView, ListView, SelectView, TextArea};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf` and `WriteHalf`
[INFO] [stdout]  --> client/src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::net::tcp::{WriteHalf, ReadHalf, OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> client/src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::{Mutex, Arc};
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ListView`
[INFO] [stdout]  --> client/src/main.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use cursive::views::{Dialog, TextView, ListView, SelectView, TextArea};
[INFO] [stdout]   |                                        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReadHalf` and `WriteHalf`
[INFO] [stdout]  --> client/src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | use tokio::net::tcp::{WriteHalf, ReadHalf, OwnedReadHalf, OwnedWriteHalf};
[INFO] [stdout]   |                       ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Mutex`
[INFO] [stdout]   --> client/src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::sync::{Mutex, Arc};
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> client/src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                 cb.send(Box::new(move |v|
[INFO] [stdout] 76 | |                     v.add_layer(
[INFO] [stdout] 77 | |                         Dialog::around(TextArea::new().content(content))
[INFO] [stdout] 78 | |                             .title(f.clone())
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 ));
[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] 75 |                 let _ = cb.send(Box::new(move |v|
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> client/src/main.rs:75:17
[INFO] [stdout]    |
[INFO] [stdout] 75 | /                 cb.send(Box::new(move |v|
[INFO] [stdout] 76 | |                     v.add_layer(
[INFO] [stdout] 77 | |                         Dialog::around(TextArea::new().content(content))
[INFO] [stdout] 78 | |                             .title(f.clone())
[INFO] [stdout] ...  |
[INFO] [stdout] 83 | |                 ));
[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] 75 |                 let _ = cb.send(Box::new(move |v|
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.96s
[INFO] running `Command { std: "docker" "inspect" "6d620dca26642e091da5f5e281ca12f51c08d9894e81c38034c77fc55be4076f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d620dca26642e091da5f5e281ca12f51c08d9894e81c38034c77fc55be4076f", kill_on_drop: false }`
[INFO] [stdout] 6d620dca26642e091da5f5e281ca12f51c08d9894e81c38034c77fc55be4076f
