[INFO] cloning repository https://github.com/vitorenesduarte/async-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitorenesduarte/async-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c65cfa743df73ef1513783cc7851122afc14cd8e
[INFO] checking vitorenesduarte/async-benchmarks against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitorenesduarte%2Fasync-benchmarks" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitorenesduarte/async-benchmarks on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vitorenesduarte/async-benchmarks
[INFO] finished tweaking git repo https://github.com/vitorenesduarte/async-benchmarks
[INFO] tweaked toml for git repo https://github.com/vitorenesduarte/async-benchmarks written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/vitorenesduarte/async-benchmarks already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kv-log-macro v1.0.5
[INFO] [stderr]   Downloaded smol v0.1.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.13
[INFO] [stderr]   Downloaded async-std v1.6.0-beta.1
[INFO] [stderr]   Downloaded pin-project v0.4.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6a05c1f595cfd9ba2a1c7f19f923939d62fb0d4d4882498afff5f9c1b391424
[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" "f6a05c1f595cfd9ba2a1c7f19f923939d62fb0d4d4882498afff5f9c1b391424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6a05c1f595cfd9ba2a1c7f19f923939d62fb0d4d4882498afff5f9c1b391424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6a05c1f595cfd9ba2a1c7f19f923939d62fb0d4d4882498afff5f9c1b391424", kill_on_drop: false }`
[INFO] [stdout] f6a05c1f595cfd9ba2a1c7f19f923939d62fb0d4d4882498afff5f9c1b391424
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0da4af9d6b8935dd3b9b1773ead068c24c228f878660831d430d7cc03cccb88c
[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" "0da4af9d6b8935dd3b9b1773ead068c24c228f878660831d430d7cc03cccb88c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.13
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking pin-project v0.4.13
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking piper v0.1.1
[INFO] [stderr]     Checking smol v0.1.4
[INFO] [stderr]     Checking async-std v1.6.0-beta.1
[INFO] [stderr]     Checking async-benchmarks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.76s
[INFO] running `Command { std: "docker" "inspect" "0da4af9d6b8935dd3b9b1773ead068c24c228f878660831d430d7cc03cccb88c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da4af9d6b8935dd3b9b1773ead068c24c228f878660831d430d7cc03cccb88c", kill_on_drop: false }`
[INFO] [stdout] 0da4af9d6b8935dd3b9b1773ead068c24c228f878660831d430d7cc03cccb88c