[INFO] cloning repository https://github.com/rutaihwa/05_future_uses_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutaihwa/05_future_uses_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7528afd9a334e2d6f2df0522790a05f66fea3a3
[INFO] testing rutaihwa/05_future_uses_examples against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutaihwa/05_future_uses_examples on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] finished tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] tweaked toml for git repo https://github.com/rutaihwa/05_future_uses_examples written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/rutaihwa/05_future_uses_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1b16586a8019b80a2512a9b7ea8b991d542ed23c668b8ee106362df2b8a559
[INFO] running `Command { std: "docker" "start" "-a" "7c1b16586a8019b80a2512a9b7ea8b991d542ed23c668b8ee106362df2b8a559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1b16586a8019b80a2512a9b7ea8b991d542ed23c668b8ee106362df2b8a559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1b16586a8019b80a2512a9b7ea8b991d542ed23c668b8ee106362df2b8a559", kill_on_drop: false }`
[INFO] [stdout] 7c1b16586a8019b80a2512a9b7ea8b991d542ed23c668b8ee106362df2b8a559
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e821ddb5eec6a79a3dd1ad781f30ef5c362e883da489a85cc62db42abeb12583
[INFO] running `Command { std: "docker" "start" "-a" "e821ddb5eec6a79a3dd1ad781f30ef5c362e883da489a85cc62db42abeb12583", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.19s
[INFO] running `Command { std: "docker" "inspect" "e821ddb5eec6a79a3dd1ad781f30ef5c362e883da489a85cc62db42abeb12583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e821ddb5eec6a79a3dd1ad781f30ef5c362e883da489a85cc62db42abeb12583", kill_on_drop: false }`
[INFO] [stdout] e821ddb5eec6a79a3dd1ad781f30ef5c362e883da489a85cc62db42abeb12583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e801c061a8809e0b89c92de4fb5f9fe33da32451995efc909d0225454be8968
[INFO] running `Command { std: "docker" "start" "-a" "6e801c061a8809e0b89c92de4fb5f9fe33da32451995efc909d0225454be8968", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.58s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/futures-9a8152635bd371ac)
[INFO] running `Command { std: "docker" "inspect" "6e801c061a8809e0b89c92de4fb5f9fe33da32451995efc909d0225454be8968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e801c061a8809e0b89c92de4fb5f9fe33da32451995efc909d0225454be8968", kill_on_drop: false }`
[INFO] [stdout] 6e801c061a8809e0b89c92de4fb5f9fe33da32451995efc909d0225454be8968
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 00b24136d8722f99984da70ab8bb8de8eb64f623ca0b9772e711d0d6baa81a1f
[INFO] running `Command { std: "docker" "start" "-a" "00b24136d8722f99984da70ab8bb8de8eb64f623ca0b9772e711d0d6baa81a1f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/futures-9a8152635bd371ac)
[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" "00b24136d8722f99984da70ab8bb8de8eb64f623ca0b9772e711d0d6baa81a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00b24136d8722f99984da70ab8bb8de8eb64f623ca0b9772e711d0d6baa81a1f", kill_on_drop: false }`
[INFO] [stdout] 00b24136d8722f99984da70ab8bb8de8eb64f623ca0b9772e711d0d6baa81a1f