[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] building dangerousplay/file-server against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdangerousplay%2Ffile-server" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dangerousplay/file-server on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "fd3f15795bdb1f7b1d7437d9b17f5041c5e5106fe19bb2be9593cb7777c0c2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd3f15795bdb1f7b1d7437d9b17f5041c5e5106fe19bb2be9593cb7777c0c2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3f15795bdb1f7b1d7437d9b17f5041c5e5106fe19bb2be9593cb7777c0c2c9", kill_on_drop: false }`
[INFO] [stdout] fd3f15795bdb1f7b1d7437d9b17f5041c5e5106fe19bb2be9593cb7777c0c2c9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dac205ef314bac76cdcdd74e58836389067ca9399e9d9ba084f5cde41813ce9d
[INFO] running `Command { std: "docker" "start" "-a" "dac205ef314bac76cdcdd74e58836389067ca9399e9d9ba084f5cde41813ce9d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling darling_core v0.10.2
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[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[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 clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling wasmer_enumset_derive v0.5.0
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling wasmer_enumset v1.0.1
[INFO] [stderr]    Compiling cursive_core v0.2.2
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling cursive-async-view v0.5.0
[INFO] [stderr]    Compiling cursive v0.16.3
[INFO] [stderr]    Compiling tokio-util v0.6.8
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[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)]` (part of `#[warn(unused)]`) 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] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[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)]` (part of `#[warn(unused)]`) 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 43.83s
[INFO] running `Command { std: "docker" "inspect" "dac205ef314bac76cdcdd74e58836389067ca9399e9d9ba084f5cde41813ce9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dac205ef314bac76cdcdd74e58836389067ca9399e9d9ba084f5cde41813ce9d", kill_on_drop: false }`
[INFO] [stdout] dac205ef314bac76cdcdd74e58836389067ca9399e9d9ba084f5cde41813ce9d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] beb62fe6ebf10776f74250c8e7cee1403842a87cbaf7d8fac1250772062a576a
[INFO] running `Command { std: "docker" "start" "-a" "beb62fe6ebf10776f74250c8e7cee1403842a87cbaf7d8fac1250772062a576a", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling client v0.1.0 (/opt/rustwide/workdir/client)
[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] [stderr]    Compiling server v0.1.0 (/opt/rustwide/workdir/server)
[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 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "beb62fe6ebf10776f74250c8e7cee1403842a87cbaf7d8fac1250772062a576a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "beb62fe6ebf10776f74250c8e7cee1403842a87cbaf7d8fac1250772062a576a", kill_on_drop: false }`
[INFO] [stdout] beb62fe6ebf10776f74250c8e7cee1403842a87cbaf7d8fac1250772062a576a
