[INFO] cloning repository https://github.com/vinegh4/metro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinegh4/metro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinegh4%2Fmetro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinegh4%2Fmetro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2db8f12da1e11332bd4cbdb4f1915733218bd563 [INFO] checking vinegh4/metro against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinegh4%2Fmetro" "/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/vinegh4/metro [INFO] finished tweaking git repo https://github.com/vinegh4/metro [INFO] tweaked toml for git repo https://github.com/vinegh4/metro written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vinegh4/metro on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vinegh4/metro 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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_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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 158c946dd90092bf7978de15d2b4b54045513e4abe627db9306d78292feb29a2 [INFO] running `Command { std: "docker" "start" "-a" "158c946dd90092bf7978de15d2b4b54045513e4abe627db9306d78292feb29a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "158c946dd90092bf7978de15d2b4b54045513e4abe627db9306d78292feb29a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "158c946dd90092bf7978de15d2b4b54045513e4abe627db9306d78292feb29a2", kill_on_drop: false }` [INFO] [stdout] 158c946dd90092bf7978de15d2b4b54045513e4abe627db9306d78292feb29a2 [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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c075b798cbb5c6b4c60b99e09e299ee6628e10eb3b6d110c437574bafdb17849 [INFO] running `Command { std: "docker" "start" "-a" "c075b798cbb5c6b4c60b99e09e299ee6628e10eb3b6d110c437574bafdb17849", kill_on_drop: false }` [INFO] [stderr] Checking metro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `apps_a` is never read [INFO] [stdout] --> src/lib.rs:153:9 [INFO] [stdout] | [INFO] [stdout] 153 | apps_a[0] = Some(&mut test_metro_app_a); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `last_tx_packet` is never read [INFO] [stdout] --> src/lib.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 107 | struct TestMetroApp { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 110 | pub last_tx_packet: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MetroPacket` is never constructed [INFO] [stdout] --> src/lib.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | struct MetroPacket { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lib.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl MetroPacket { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] 11 | fn new() -> MetroPacket { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MetroApp` is never used [INFO] [stdout] --> src/lib.rs:33:7 [INFO] [stdout] | [INFO] [stdout] 33 | trait MetroApp { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Metro` is never constructed [INFO] [stdout] --> src/lib.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 38 | struct Metro { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `process`, and `send` are never used [INFO] [stdout] --> src/lib.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl<'a, T: MetroTcvr> Metro { [INFO] [stdout] | ------------------------------- associated items in this implementation [INFO] [stdout] 43 | fn new(tcvr: T) -> Metro { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 47 | fn process(&self, apps: &mut [Option<&'a mut dyn MetroApp>]) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 56 | fn send(&self, packet: MetroPacket) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MetroTcvr` is never used [INFO] [stdout] --> src/lib.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | trait MetroTcvr { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] running `Command { std: "docker" "inspect" "c075b798cbb5c6b4c60b99e09e299ee6628e10eb3b6d110c437574bafdb17849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c075b798cbb5c6b4c60b99e09e299ee6628e10eb3b6d110c437574bafdb17849", kill_on_drop: false }` [INFO] [stdout] c075b798cbb5c6b4c60b99e09e299ee6628e10eb3b6d110c437574bafdb17849