[INFO] cloning repository https://github.com/evan-duncan/gopher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/evan-duncan/gopher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-duncan%2Fgopher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-duncan%2Fgopher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa94ea54bf2269c073ed6e8ada70b948471def23
[INFO] checking evan-duncan/gopher against master#b56aaec52bc0fa35591a872fb4aac81f606e265c for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fevan-duncan%2Fgopher" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/evan-duncan/gopher
[INFO] finished tweaking git repo https://github.com/evan-duncan/gopher
[INFO] tweaked toml for git repo https://github.com/evan-duncan/gopher written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/evan-duncan/gopher on toolchain b56aaec52bc0fa35591a872fb4aac81f606e265c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/evan-duncan/gopher 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" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7d4a064cd824e497240c0073d85c14f7ce08955918448a21c33a8bd827a94e6
[INFO] running `Command { std: "docker" "start" "-a" "b7d4a064cd824e497240c0073d85c14f7ce08955918448a21c33a8bd827a94e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7d4a064cd824e497240c0073d85c14f7ce08955918448a21c33a8bd827a94e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d4a064cd824e497240c0073d85c14f7ce08955918448a21c33a8bd827a94e6", kill_on_drop: false }`
[INFO] [stdout] b7d4a064cd824e497240c0073d85c14f7ce08955918448a21c33a8bd827a94e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b56aaec52bc0fa35591a872fb4aac81f606e265c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 491f70030e0eabe07033d60dae7dab6680b2956769d10bd8254f4c52a3c65a30
[INFO] running `Command { std: "docker" "start" "-a" "491f70030e0eabe07033d60dae7dab6680b2956769d10bd8254f4c52a3c65a30", kill_on_drop: false }`
[INFO] [stderr]     Checking gopher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ItemType` is never constructed
[INFO] [stdout]   --> src/gopher/item.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct ItemType {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ItemType` is never constructed
[INFO] [stdout]   --> src/gopher/item.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct ItemType {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const FILE: ItemType = ItemType { code: '0' };
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIRECTORY` is never used
[INFO] [stdout]   --> src/gopher/item.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const DIRECTORY: ItemType = ItemType { code: '1' };
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSO_PHONE_BOOK_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const CSO_PHONE_BOOK_SERVER: ItemType = ItemType { code: '2' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ERROR` is never used
[INFO] [stdout]   --> src/gopher/item.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const ERROR: ItemType = ItemType { code: '3' };
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 25 | const FILE: ItemType = ItemType { code: '0' };
[INFO] [stdout]    |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BIN_HEXED_MACHINTOH_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const BIN_HEXED_MACHINTOH_FILE: ItemType = ItemType { code: '4' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DIRECTORY` is never used
[INFO] [stdout]   --> src/gopher/item.rs:26:7
[INFO] [stdout]    |
[INFO] [stdout] 26 | const DIRECTORY: ItemType = ItemType { code: '1' };
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOS_BINARY_ARCHIVE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const DOS_BINARY_ARCHIVE: ItemType = ItemType { code: '5' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CSO_PHONE_BOOK_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:27:7
[INFO] [stdout]    |
[INFO] [stdout] 27 | const CSO_PHONE_BOOK_SERVER: ItemType = ItemType { code: '2' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNIX_UUENCODED_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const UNIX_UUENCODED_FILE: ItemType = ItemType { code: '6' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ERROR` is never used
[INFO] [stdout]   --> src/gopher/item.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const ERROR: ItemType = ItemType { code: '3' };
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEXED_SEARCH_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const INDEXED_SEARCH_SERVER: ItemType = ItemType { code: '7' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BIN_HEXED_MACHINTOH_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:29:7
[INFO] [stdout]    |
[INFO] [stdout] 29 | const BIN_HEXED_MACHINTOH_FILE: ItemType = ItemType { code: '4' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TELNET_SESSION` is never used
[INFO] [stdout]   --> src/gopher/item.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const TELNET_SESSION: ItemType = ItemType { code: '8' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DOS_BINARY_ARCHIVE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:30:7
[INFO] [stdout]    |
[INFO] [stdout] 30 | const DOS_BINARY_ARCHIVE: ItemType = ItemType { code: '5' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BINARY_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const BINARY_FILE: ItemType = ItemType { code: '9' };
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `UNIX_UUENCODED_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:31:7
[INFO] [stdout]    |
[INFO] [stdout] 31 | const UNIX_UUENCODED_FILE: ItemType = ItemType { code: '6' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDUNDANT_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const REDUNDANT_SERVER: ItemType = ItemType { code: '+' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TN_3270_SESSION` is never used
[INFO] [stdout]   --> src/gopher/item.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const TN_3270_SESSION: ItemType = ItemType { code: 'T' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GIF` is never used
[INFO] [stdout]   --> src/gopher/item.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const GIF: ItemType = ItemType { code: 'g' };
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `INDEXED_SEARCH_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:32:7
[INFO] [stdout]    |
[INFO] [stdout] 32 | const INDEXED_SEARCH_SERVER: ItemType = ItemType { code: '7' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMAGE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const IMAGE: ItemType = ItemType { code: 'I' };
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TELNET_SESSION` is never used
[INFO] [stdout]   --> src/gopher/item.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | const TELNET_SESSION: ItemType = ItemType { code: '8' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]   --> src/gopher/item.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Item {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BINARY_FILE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 34 | const BINARY_FILE: ItemType = ItemType { code: '9' };
[INFO] [stdout]    |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]   --> src/gopher/server.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Response {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REDUNDANT_SERVER` is never used
[INFO] [stdout]   --> src/gopher/item.rs:35:7
[INFO] [stdout]    |
[INFO] [stdout] 35 | const REDUNDANT_SERVER: ItemType = ItemType { code: '+' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TN_3270_SESSION` is never used
[INFO] [stdout]   --> src/gopher/item.rs:36:7
[INFO] [stdout]    |
[INFO] [stdout] 36 | const TN_3270_SESSION: ItemType = ItemType { code: 'T' };
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hostname` and `port` are never read
[INFO] [stdout]   --> src/gopher/server.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Server {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 25 |     pub hostname: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub port: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `GIF` is never used
[INFO] [stdout]   --> src/gopher/item.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 | const GIF: ItemType = ItemType { code: 'g' };
[INFO] [stdout]    |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `IMAGE` is never used
[INFO] [stdout]   --> src/gopher/item.rs:38:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | const IMAGE: ItemType = ItemType { code: 'I' };
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Item` is never constructed
[INFO] [stdout]   --> src/gopher/item.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct Item {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Response` is never constructed
[INFO] [stdout]   --> src/gopher/server.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Response {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `hostname` and `port` are never read
[INFO] [stdout]   --> src/gopher/server.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct Server {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 25 |     pub hostname: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 26 |     pub port: u16,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "491f70030e0eabe07033d60dae7dab6680b2956769d10bd8254f4c52a3c65a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491f70030e0eabe07033d60dae7dab6680b2956769d10bd8254f4c52a3c65a30", kill_on_drop: false }`
[INFO] [stdout] 491f70030e0eabe07033d60dae7dab6680b2956769d10bd8254f4c52a3c65a30