[INFO] cloning repository https://github.com/kov/duplikat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kov/duplikat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkov%2Fduplikat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkov%2Fduplikat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 938042cbf6b919541bae38d943cb84daa4a386c0
[INFO] checking kov/duplikat against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkov%2Fduplikat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kov/duplikat on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kov/duplikat
[INFO] finished tweaking git repo https://github.com/kov/duplikat
[INFO] tweaked toml for git repo https://github.com/kov/duplikat written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "bd0d2974d00af78aab65b3ba65e35ba8eacdd0976d8c7227df5609040e93cc11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0d2974d00af78aab65b3ba65e35ba8eacdd0976d8c7227df5609040e93cc11", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "64c1d1e351d31c49ac1a3bb5bb05e892296df5ea385ca3ff78e0cfef424109c1", kill_on_drop: false }`
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[INFO] [stdout] warning: field `stream` is never read
[INFO] [stdout]  --> duplikat/src/server.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct Connection {
[INFO] [stdout]   |                   ---------- field in this struct
[INFO] [stdout] 9 |     pub stream: IOStream,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> duplikat/src/edit.rs:532:13
[INFO] [stdout]     |
[INFO] [stdout] 532 | /             &[
[INFO] [stdout] 533 | |                 ".cache",
[INFO] [stdout] 534 | |                 "Caches",
[INFO] [stdout] 535 | |                 &format!("{}/.Trash", home_dir),
[INFO] [stdout] ...   |
[INFO] [stdout] 540 | |                 "/private/var/db"
[INFO] [stdout] 541 | |             ].iter().for_each(|p| patterns.push(p.to_string()));
[INFO] [stdout]     | |_______________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 532 |             let _ = &[
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stream` is never read
[INFO] [stdout]  --> duplikat/src/server.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub(crate) struct Connection {
[INFO] [stdout]   |                   ---------- field in this struct
[INFO] [stdout] 9 |     pub stream: IOStream,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> duplikat/src/edit.rs:532:13
[INFO] [stdout]     |
[INFO] [stdout] 532 | /             &[
[INFO] [stdout] 533 | |                 ".cache",
[INFO] [stdout] 534 | |                 "Caches",
[INFO] [stdout] 535 | |                 &format!("{}/.Trash", home_dir),
[INFO] [stdout] ...   |
[INFO] [stdout] 540 | |                 "/private/var/db"
[INFO] [stdout] 541 | |             ].iter().for_each(|p| patterns.push(p.to_string()));
[INFO] [stdout]     | |_______________________________________________________________^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 532 |             let _ = &[
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "64c1d1e351d31c49ac1a3bb5bb05e892296df5ea385ca3ff78e0cfef424109c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c1d1e351d31c49ac1a3bb5bb05e892296df5ea385ca3ff78e0cfef424109c1", kill_on_drop: false }`
[INFO] [stdout] 64c1d1e351d31c49ac1a3bb5bb05e892296df5ea385ca3ff78e0cfef424109c1