[INFO] fetching crate futures-promises 0.1.11...
[INFO] testing futures-promises-0.1.11 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate futures-promises 0.1.11 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate futures-promises 0.1.11 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 crates.io crate futures-promises 0.1.11
[INFO] finished tweaking crates.io crate futures-promises 0.1.11
[INFO] tweaked toml for crates.io crate futures-promises 0.1.11 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 938d402d270ee72b84ad2fb24dfd19502aa6373dd532a8a66a5e379d356a354b
[INFO] running `Command { std: "docker" "start" "-a" "938d402d270ee72b84ad2fb24dfd19502aa6373dd532a8a66a5e379d356a354b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938d402d270ee72b84ad2fb24dfd19502aa6373dd532a8a66a5e379d356a354b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938d402d270ee72b84ad2fb24dfd19502aa6373dd532a8a66a5e379d356a354b", kill_on_drop: false }`
[INFO] [stdout] 938d402d270ee72b84ad2fb24dfd19502aa6373dd532a8a66a5e379d356a354b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] b00578acc0b0f43ebbddde7900d9d9f9c9bea6b2ed406b2c8d51f8151f444966
[INFO] running `Command { std: "docker" "start" "-a" "b00578acc0b0f43ebbddde7900d9d9f9c9bea6b2ed406b2c8d51f8151f444966", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling futures-promises v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lib.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             match (&mut guard.1) {
[INFO] [stdout]    |                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -             match (&mut guard.1) {
[INFO] [stdout] 55 +             match &mut guard.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "b00578acc0b0f43ebbddde7900d9d9f9c9bea6b2ed406b2c8d51f8151f444966", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00578acc0b0f43ebbddde7900d9d9f9c9bea6b2ed406b2c8d51f8151f444966", kill_on_drop: false }`
[INFO] [stdout] b00578acc0b0f43ebbddde7900d9d9f9c9bea6b2ed406b2c8d51f8151f444966
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 1a7fe3ec0b0840012251fd5f164a0532d81d7c484020bd39b2cce8f129076ccd
[INFO] running `Command { std: "docker" "start" "-a" "1a7fe3ec0b0840012251fd5f164a0532d81d7c484020bd39b2cce8f129076ccd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-promises v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lib.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             match (&mut guard.1) {
[INFO] [stdout]    |                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -             match (&mut guard.1) {
[INFO] [stdout] 55 +             match &mut guard.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lib.rs:55:19
[INFO] [stdout]    |
[INFO] [stdout] 55 |             match (&mut guard.1) {
[INFO] [stdout]    |                   ^            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 55 -             match (&mut guard.1) {
[INFO] [stdout] 55 +             match &mut guard.1 {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "1a7fe3ec0b0840012251fd5f164a0532d81d7c484020bd39b2cce8f129076ccd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7fe3ec0b0840012251fd5f164a0532d81d7c484020bd39b2cce8f129076ccd", kill_on_drop: false }`
[INFO] [stdout] 1a7fe3ec0b0840012251fd5f164a0532d81d7c484020bd39b2cce8f129076ccd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] e772d29784016db57099342862c847a1ceeb2361d29beaaddf57c3540cef8d7d
[INFO] running `Command { std: "docker" "start" "-a" "e772d29784016db57099342862c847a1ceeb2361d29beaaddf57c3540cef8d7d", 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] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/lib.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |             match (&mut guard.1) {
[INFO] [stderr]    |                   ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -             match (&mut guard.1) {
[INFO] [stderr] 55 +             match &mut guard.1 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-promises` (lib) generated 1 warning
[INFO] [stderr] warning: `futures-promises` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_promises-17ba7dd9d3400548)
[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] [stderr]    Doc-tests futures-promises
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:55:19
[INFO] [stderr]    |
[INFO] [stderr] 55 |             match (&mut guard.1) {
[INFO] [stderr]    |                   ^            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 55 -             match (&mut guard.1) {
[INFO] [stderr] 55 +             match &mut guard.1 {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "e772d29784016db57099342862c847a1ceeb2361d29beaaddf57c3540cef8d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e772d29784016db57099342862c847a1ceeb2361d29beaaddf57c3540cef8d7d", kill_on_drop: false }`
[INFO] [stdout] e772d29784016db57099342862c847a1ceeb2361d29beaaddf57c3540cef8d7d