[INFO] cloning repository https://github.com/vlad-onis/tower_practice [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vlad-onis/tower_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Ftower_practice", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Ftower_practice'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9cfcd5971c540b621e053b98e0be56a6967d6a99 [INFO] testing vlad-onis/tower_practice against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvlad-onis%2Ftower_practice" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/vlad-onis/tower_practice [INFO] finished tweaking git repo https://github.com/vlad-onis/tower_practice [INFO] tweaked toml for git repo https://github.com/vlad-onis/tower_practice written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/vlad-onis/tower_practice on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/vlad-onis/tower_practice 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 615708c787289d38382d349610361931e736ede05bb11556638d59dc10ced342 [INFO] running `Command { std: "docker" "start" "-a" "615708c787289d38382d349610361931e736ede05bb11556638d59dc10ced342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "615708c787289d38382d349610361931e736ede05bb11556638d59dc10ced342", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "615708c787289d38382d349610361931e736ede05bb11556638d59dc10ced342", kill_on_drop: false }` [INFO] [stdout] 615708c787289d38382d349610361931e736ede05bb11556638d59dc10ced342 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 24c238706baf52c18346f6b59eb1fe9650791e230de803c55429c724ce88760d [INFO] running `Command { std: "docker" "start" "-a" "24c238706baf52c18346f6b59eb1fe9650791e230de803c55429c724ce88760d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling proc-macro2 v1.0.86 [INFO] [stderr] Compiling pin-project-lite v0.2.14 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Compiling futures-sink v0.3.30 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling bytes v1.6.0 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling futures-channel v0.3.30 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling syn v2.0.70 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling mio v0.8.11 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling hdrhistogram v7.5.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling tokio-macros v2.3.0 [INFO] [stderr] Compiling pin-project-internal v1.1.3 [INFO] [stderr] Compiling tokio v1.38.0 [INFO] [stderr] Compiling pin-project v1.1.3 [INFO] [stderr] Compiling futures-util v0.3.30 [INFO] [stderr] Compiling futures-executor v0.3.30 [INFO] [stderr] Compiling futures v0.3.30 [INFO] [stderr] Compiling tokio-util v0.7.10 [INFO] [stderr] Compiling tower v0.4.13 [INFO] [stderr] Compiling tower_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fmt::Display` [INFO] [stdout] --> src/alternating_service.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | fmt::Display, [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 variable: `req` [INFO] [stdout] --> src/alternating_service.rs:39:24 [INFO] [stdout] | [INFO] [stdout] 39 | fn call(&mut self, req: AlternatingRequest) -> Self::Future { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlternatingRequest` is never constructed [INFO] [stdout] --> src/alternating_service.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct AlternatingRequest; [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 `AlternatingResponse` is never constructed [INFO] [stdout] --> src/alternating_service.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub struct AlternatingResponse; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AlternatingService` is never constructed [INFO] [stdout] --> src/alternating_service.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct AlternatingService { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EchoRequest` is never constructed [INFO] [stdout] --> src/echo_service.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct EchoRequest(String); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EchoResponse` is never constructed [INFO] [stdout] --> src/echo_service.rs:30:12 [INFO] [stdout] | [INFO] [stdout] 30 | pub struct EchoResponse(String); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `EchoService` is never constructed [INFO] [stdout] --> src/echo_service.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct EchoService; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.06s [INFO] running `Command { std: "docker" "inspect" "24c238706baf52c18346f6b59eb1fe9650791e230de803c55429c724ce88760d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24c238706baf52c18346f6b59eb1fe9650791e230de803c55429c724ce88760d", kill_on_drop: false }` [INFO] [stdout] 24c238706baf52c18346f6b59eb1fe9650791e230de803c55429c724ce88760d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d778e30a5f546e056521a0a86f6c2909bc9ec65e6f59d995e371c22407912fbf [INFO] running `Command { std: "docker" "start" "-a" "d778e30a5f546e056521a0a86f6c2909bc9ec65e6f59d995e371c22407912fbf", kill_on_drop: false }` [INFO] [stderr] Compiling tower_practice v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `fmt::Display` [INFO] [stdout] --> src/alternating_service.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | fmt::Display, [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: `std::task` [INFO] [stdout] --> src/alternating_service.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | use std::task; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `req` [INFO] [stdout] --> src/alternating_service.rs:39:24 [INFO] [stdout] | [INFO] [stdout] 39 | fn call(&mut self, req: AlternatingRequest) -> Self::Future { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/echo_service.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut service = EchoService; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "d778e30a5f546e056521a0a86f6c2909bc9ec65e6f59d995e371c22407912fbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d778e30a5f546e056521a0a86f6c2909bc9ec65e6f59d995e371c22407912fbf", kill_on_drop: false }` [INFO] [stdout] d778e30a5f546e056521a0a86f6c2909bc9ec65e6f59d995e371c22407912fbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] fe1789af90715749d2dd060298b44e80a2941b31777566ae6c71b5d6211dd4b1 [INFO] running `Command { std: "docker" "start" "-a" "fe1789af90715749d2dd060298b44e80a2941b31777566ae6c71b5d6211dd4b1", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `fmt::Display` [INFO] [stderr] --> src/alternating_service.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | fmt::Display, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::task` [INFO] [stderr] --> src/alternating_service.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | use std::task; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `req` [INFO] [stderr] --> src/alternating_service.rs:39:24 [INFO] [stderr] | [INFO] [stderr] 39 | fn call(&mut self, req: AlternatingRequest) -> Self::Future { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_req` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/echo_service.rs:122:13 [INFO] [stderr] | [INFO] [stderr] 122 | let mut service = EchoService; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `tower_practice` (bin "tower_practice" test) generated 4 warnings (run `cargo fix --bin "tower_practice" --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tower_practice-8b8843381fdcec0e) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test echo_service::tests::test_usage ... ok [INFO] [stdout] test echo_service::tests::test_poll_ready ... ok [INFO] [stdout] test alternating_service::tests::test_usage ... ok [INFO] [stdout] test alternating_service::tests::test_poll_ready ... ok [INFO] [stdout] test echo_service::tests::test_call ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "fe1789af90715749d2dd060298b44e80a2941b31777566ae6c71b5d6211dd4b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe1789af90715749d2dd060298b44e80a2941b31777566ae6c71b5d6211dd4b1", kill_on_drop: false }` [INFO] [stdout] fe1789af90715749d2dd060298b44e80a2941b31777566ae6c71b5d6211dd4b1