[INFO] cloning repository https://github.com/RainbowCookie32/rusty-torrents
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RainbowCookie32/rusty-torrents" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7638465c110a0982d8e61b917baa873a96691c6e
[INFO] checking RainbowCookie32/rusty-torrents against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRainbowCookie32%2Frusty-torrents" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RainbowCookie32/rusty-torrents on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RainbowCookie32/rusty-torrents
[INFO] finished tweaking git repo https://github.com/RainbowCookie32/rusty-torrents
[INFO] tweaked toml for git repo https://github.com/RainbowCookie32/rusty-torrents written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/RainbowCookie32/rusty-torrents already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ec7295cb5c4932e56f0809f1867cb3108d47efb99cb561d4b6753f035572cabc
[INFO] running `Command { std: "docker" "start" "-a" "ec7295cb5c4932e56f0809f1867cb3108d47efb99cb561d4b6753f035572cabc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec7295cb5c4932e56f0809f1867cb3108d47efb99cb561d4b6753f035572cabc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7295cb5c4932e56f0809f1867cb3108d47efb99cb561d4b6753f035572cabc", kill_on_drop: false }`
[INFO] [stdout] ec7295cb5c4932e56f0809f1867cb3108d47efb99cb561d4b6753f035572cabc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8d656d2249acfaafb8934729fad45d4c9b1af3cf89cc7649b029a14d4a6c425
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f8d656d2249acfaafb8934729fad45d4c9b1af3cf89cc7649b029a14d4a6c425", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling memchr v2.4.0
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking rusty-torrents v0.1.0 (/opt/rustwide/workdir/rusty-torrents)
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:48
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Udp`
[INFO] [stdout]  --> rusty-torrents/src/engine/tracker/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Udp
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PeriodicRequest`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     PeriodicRequest
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_piece`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `torrent_info`
[INFO] [stdout]   --> rusty-torrents/src/engine/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     torrent_info: Arc<TorrentInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:35
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:48
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |                                                ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Udp`
[INFO] [stdout]  --> rusty-torrents/src/engine/tracker/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Udp
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stopped`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Stopped,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Completed`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PeriodicRequest`
[INFO] [stdout]   --> rusty-torrents/src/engine/tracker/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     PeriodicRequest
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write_piece`
[INFO] [stdout]   --> rusty-torrents/src/engine/file.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn write_piece(&mut self, offset: u64, data: Vec<u8>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `torrent_info`
[INFO] [stdout]   --> rusty-torrents/src/engine/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     torrent_info: Arc<TorrentInfo>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "f8d656d2249acfaafb8934729fad45d4c9b1af3cf89cc7649b029a14d4a6c425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d656d2249acfaafb8934729fad45d4c9b1af3cf89cc7649b029a14d4a6c425", kill_on_drop: false }`
[INFO] [stdout] f8d656d2249acfaafb8934729fad45d4c9b1af3cf89cc7649b029a14d4a6c425