[INFO] cloning repository https://github.com/F3kilo/rust-async-await-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/F3kilo/rust-async-await-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Frust-async-await-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Frust-async-await-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e355e915488edbccf3d5e234b11dc9f62e8808a
[INFO] testing F3kilo/rust-async-await-test against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Frust-async-await-test" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/F3kilo/rust-async-await-test on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/F3kilo/rust-async-await-test
[INFO] finished tweaking git repo https://github.com/F3kilo/rust-async-await-test
[INFO] tweaked toml for git repo https://github.com/F3kilo/rust-async-await-test written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/F3kilo/rust-async-await-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 153924ebb865cd9200319d6e15685f51a654e06070b67575cd187d6a0a44b6b7
[INFO] running `Command { std: "docker" "start" "-a" "153924ebb865cd9200319d6e15685f51a654e06070b67575cd187d6a0a44b6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "153924ebb865cd9200319d6e15685f51a654e06070b67575cd187d6a0a44b6b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "153924ebb865cd9200319d6e15685f51a654e06070b67575cd187d6a0a44b6b7", kill_on_drop: false }`
[INFO] [stdout] 153924ebb865cd9200319d6e15685f51a654e06070b67575cd187d6a0a44b6b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fa54f5caef09e2ca84563ab13dd6a362138b14664a7222350c2ffba4294059f
[INFO] running `Command { std: "docker" "start" "-a" "5fa54f5caef09e2ca84563ab13dd6a362138b14664a7222350c2ffba4294059f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling async-await v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 | type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stdout]    |                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 - type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stdout] 49 + type ActionFuture = Box<dyn Future<Output=()>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_aaa`
[INFO] [stdout]   --> src/main.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | async fn print_aaa() {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_bbb`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | async fn print_bbb() {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_nothing`
[INFO] [stdout]   --> src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | async fn do_nothing() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `answer_to_action`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn answer_to_action(answer: i32) -> ActionFuture {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 27s
[INFO] running `Command { std: "docker" "inspect" "5fa54f5caef09e2ca84563ab13dd6a362138b14664a7222350c2ffba4294059f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fa54f5caef09e2ca84563ab13dd6a362138b14664a7222350c2ffba4294059f", kill_on_drop: false }`
[INFO] [stdout] 5fa54f5caef09e2ca84563ab13dd6a362138b14664a7222350c2ffba4294059f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af521b46e2d1f3caebdd97e4f1b49034cc9c000bc42c4ce060c9c234f8da99c3
[INFO] running `Command { std: "docker" "start" "-a" "af521b46e2d1f3caebdd97e4f1b49034cc9c000bc42c4ce060c9c234f8da99c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling async-await v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:49:43
[INFO] [stdout]    |
[INFO] [stdout] 49 | type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stdout]    |                                           ^  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 49 - type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stdout] 49 + type ActionFuture = Box<dyn Future<Output=()>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:60:13
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_aaa`
[INFO] [stdout]   --> src/main.rs:31:10
[INFO] [stdout]    |
[INFO] [stdout] 31 | async fn print_aaa() {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_bbb`
[INFO] [stdout]   --> src/main.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | async fn print_bbb() {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `do_nothing`
[INFO] [stdout]   --> src/main.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 45 | async fn do_nothing() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `answer_to_action`
[INFO] [stdout]   --> src/main.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn answer_to_action(answer: i32) -> ActionFuture {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 42.89s
[INFO] running `Command { std: "docker" "inspect" "af521b46e2d1f3caebdd97e4f1b49034cc9c000bc42c4ce060c9c234f8da99c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af521b46e2d1f3caebdd97e4f1b49034cc9c000bc42c4ce060c9c234f8da99c3", kill_on_drop: false }`
[INFO] [stdout] af521b46e2d1f3caebdd97e4f1b49034cc9c000bc42c4ce060c9c234f8da99c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd2d9c7580e518cd9ba093fd31f4959d7d61d6ebc26dce5d1f0b244e786c2888
[INFO] running `Command { std: "docker" "start" "-a" "fd2d9c7580e518cd9ba093fd31f4959d7d61d6ebc26dce5d1f0b244e786c2888", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/main.rs:49:43
[INFO] [stderr]    |
[INFO] [stderr] 49 | type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stderr]    |                                           ^  ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 49 - type ActionFuture = Box<dyn Future<Output=(())>>;
[INFO] [stderr] 49 + type ActionFuture = Box<dyn Future<Output=()>>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:60:9
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]   --> src/main.rs:60:13
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut q = LinkedList::<ActionFuture>::new();
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_aaa`
[INFO] [stderr]   --> src/main.rs:31:10
[INFO] [stderr]    |
[INFO] [stderr] 31 | async fn print_aaa() {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_bbb`
[INFO] [stderr]   --> src/main.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 | async fn print_bbb() {
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `do_nothing`
[INFO] [stderr]   --> src/main.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | async fn do_nothing() {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `answer_to_action`
[INFO] [stderr]   --> src/main.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn answer_to_action(answer: i32) -> ActionFuture {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `async-await` (bin "async-await" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/async_await-86b071c94ab4adb5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd2d9c7580e518cd9ba093fd31f4959d7d61d6ebc26dce5d1f0b244e786c2888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd2d9c7580e518cd9ba093fd31f4959d7d61d6ebc26dce5d1f0b244e786c2888", kill_on_drop: false }`
[INFO] [stdout] fd2d9c7580e518cd9ba093fd31f4959d7d61d6ebc26dce5d1f0b244e786c2888