[INFO] cloning repository https://github.com/oswaldoooo/easymq
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oswaldoooo/easymq" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foswaldoooo%2Feasymq", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foswaldoooo%2Feasymq'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9e9388532a9a61a2ab1f5cea75956cf7d42bcdc
[INFO] checking oswaldoooo/easymq against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foswaldoooo%2Feasymq" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oswaldoooo/easymq on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oswaldoooo/easymq
[INFO] finished tweaking git repo https://github.com/oswaldoooo/easymq
[INFO] tweaked toml for git repo https://github.com/oswaldoooo/easymq written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/oswaldoooo/easymq 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40f47e2e2d927b3950699682e0348130aa56004072131d24b6550f9b64162a71
[INFO] running `Command { std: "docker" "start" "-a" "40f47e2e2d927b3950699682e0348130aa56004072131d24b6550f9b64162a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f47e2e2d927b3950699682e0348130aa56004072131d24b6550f9b64162a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f47e2e2d927b3950699682e0348130aa56004072131d24b6550f9b64162a71", kill_on_drop: false }`
[INFO] [stdout] 40f47e2e2d927b3950699682e0348130aa56004072131d24b6550f9b64162a71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790530f274e95741d970230fec9208f988b29ca1437b9e7b079b3060d40b284e
[INFO] running `Command { std: "docker" "start" "-a" "790530f274e95741d970230fec9208f988b29ca1437b9e7b079b3060d40b284e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling axum-core v0.4.3
[INFO] [stderr]    Compiling axum v0.7.5
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking http-body-util v0.1.2
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling async-trait v0.1.81
[INFO] [stderr]     Checking tokio v1.39.3
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking hyper v1.4.1
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking serde_path_to_error v0.1.16
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper-util v0.1.7
[INFO] [stderr]     Checking easymq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/easymq_protocol.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWrite`
[INFO] [stdout]  --> src/log.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncWriteExt,AsyncWrite};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sync::Mutex`
[INFO] [stdout]  --> src/easymq_protocol.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sync::Mutex,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AsyncWrite`
[INFO] [stdout]  --> src/log.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use tokio::io::{AsyncWriteExt,AsyncWrite};
[INFO] [stdout]   |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/easymq_protocol.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/easymq_protocol.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     addr: SocketAddr,
[INFO] [stdout]    |     ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/easymq_protocol.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if let Err(err) = result {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/easymq_protocol.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |             if let Err(err) = result {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/easymq_protocol.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |             if let Err(err) = result {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]   --> src/easymq_protocol.rs:89:24
[INFO] [stdout]    |
[INFO] [stdout] 89 |             if let Err(err) = result {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_ok` is never read
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Acker<T>
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     is_ok: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `is_ok` is never read
[INFO] [stdout]   --> src/lib.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub struct Acker<T>
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 88 |     is_ok: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `publish` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static publish: u8 = 1;
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to upper case: `PUBLISH`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `read_latest` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | static read_latest: u8 = 2;
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_LATEST`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `_ok` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static _ok: u8 = 1;
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper case (notice the capitalization): `_OK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `_internal_error` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | static _internal_error: u8 = 2;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `_INTERNAL_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `publish` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | static publish: u8 = 1;
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to upper case: `PUBLISH`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `read_latest` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | static read_latest: u8 = 2;
[INFO] [stdout]    |        ^^^^^^^^^^^ help: convert the identifier to upper case: `READ_LATEST`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `_ok` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | static _ok: u8 = 1;
[INFO] [stdout]    |        ^^^ help: convert the identifier to upper case (notice the capitalization): `_OK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `_internal_error` should have an upper case name
[INFO] [stdout]   --> src/easymq_protocol.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | static _internal_error: u8 = 2;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `_INTERNAL_ERROR`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> tests/utils.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |             .map(|f| {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.79s
[INFO] running `Command { std: "docker" "inspect" "790530f274e95741d970230fec9208f988b29ca1437b9e7b079b3060d40b284e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790530f274e95741d970230fec9208f988b29ca1437b9e7b079b3060d40b284e", kill_on_drop: false }`
[INFO] [stdout] 790530f274e95741d970230fec9208f988b29ca1437b9e7b079b3060d40b284e