[INFO] cloning repository https://github.com/qtfkwk/futures-join-all
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qtfkwk/futures-join-all" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Ffutures-join-all", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Ffutures-join-all'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bca9335d43390206041c07a3d4dad8acc154683e
[INFO] testing qtfkwk/futures-join-all against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqtfkwk%2Ffutures-join-all" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qtfkwk/futures-join-all on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qtfkwk/futures-join-all
[INFO] finished tweaking git repo https://github.com/qtfkwk/futures-join-all
[INFO] tweaked toml for git repo https://github.com/qtfkwk/futures-join-all written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/qtfkwk/futures-join-all already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polling v0.1.3
[INFO] [stderr]   Downloaded event-listener v2.3.3
[INFO] [stderr]   Downloaded blocking v0.5.0
[INFO] [stderr]   Downloaded vec-arena v0.5.0
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc7dfc5152b7663c8e60e76fd9d2f3b52f853b1e67455ff739bf9d771ed401d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bc7dfc5152b7663c8e60e76fd9d2f3b52f853b1e67455ff739bf9d771ed401d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc7dfc5152b7663c8e60e76fd9d2f3b52f853b1e67455ff739bf9d771ed401d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc7dfc5152b7663c8e60e76fd9d2f3b52f853b1e67455ff739bf9d771ed401d5", kill_on_drop: false }`
[INFO] [stdout] bc7dfc5152b7663c8e60e76fd9d2f3b52f853b1e67455ff739bf9d771ed401d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a5f218fdc22e8cfe4f3637cf4182316782bea4eaf0e7b57876e5eaf2673b53
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e3a5f218fdc22e8cfe4f3637cf4182316782bea4eaf0e7b57876e5eaf2673b53", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling vec-arena v0.5.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling async-mutex v1.1.5
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling multitask v0.2.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling blocking v0.5.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling polling v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-io v0.1.11
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling async-executor v0.1.2
[INFO] [stderr]    Compiling async-std v1.6.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling futures-join-all v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "e3a5f218fdc22e8cfe4f3637cf4182316782bea4eaf0e7b57876e5eaf2673b53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a5f218fdc22e8cfe4f3637cf4182316782bea4eaf0e7b57876e5eaf2673b53", kill_on_drop: false }`
[INFO] [stdout] e3a5f218fdc22e8cfe4f3637cf4182316782bea4eaf0e7b57876e5eaf2673b53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84cdccbdbe5295fac072a8db515dabcba276b85b630129a0d5fed9a6e612eed5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84cdccbdbe5295fac072a8db515dabcba276b85b630129a0d5fed9a6e612eed5", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-join-all v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "84cdccbdbe5295fac072a8db515dabcba276b85b630129a0d5fed9a6e612eed5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84cdccbdbe5295fac072a8db515dabcba276b85b630129a0d5fed9a6e612eed5", kill_on_drop: false }`
[INFO] [stdout] 84cdccbdbe5295fac072a8db515dabcba276b85b630129a0d5fed9a6e612eed5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 991eaaff501eb80bcd707f268aaf06f23e43ba871ba83dfa6e49198350a8e7a8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "991eaaff501eb80bcd707f268aaf06f23e43ba871ba83dfa6e49198350a8e7a8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/futures_join_all-93525074c845e216
[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" "991eaaff501eb80bcd707f268aaf06f23e43ba871ba83dfa6e49198350a8e7a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991eaaff501eb80bcd707f268aaf06f23e43ba871ba83dfa6e49198350a8e7a8", kill_on_drop: false }`
[INFO] [stdout] 991eaaff501eb80bcd707f268aaf06f23e43ba871ba83dfa6e49198350a8e7a8