[INFO] fetching crate embassy-async 0.0.0...
[INFO] testing embassy-async-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate embassy-async 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate embassy-async 0.0.0 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 crates.io crate embassy-async 0.0.0
[INFO] finished tweaking crates.io crate embassy-async 0.0.0
[INFO] tweaked toml for crates.io crate embassy-async 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bad9c2ad1ac3a70ba3e7f46b26bc1d0f01a49d4b2f27a6e18de6c9a1356c587a
[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" "bad9c2ad1ac3a70ba3e7f46b26bc1d0f01a49d4b2f27a6e18de6c9a1356c587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bad9c2ad1ac3a70ba3e7f46b26bc1d0f01a49d4b2f27a6e18de6c9a1356c587a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad9c2ad1ac3a70ba3e7f46b26bc1d0f01a49d4b2f27a6e18de6c9a1356c587a", kill_on_drop: false }`
[INFO] [stdout] bad9c2ad1ac3a70ba3e7f46b26bc1d0f01a49d4b2f27a6e18de6c9a1356c587a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec438c7a0555246159df13e7e3265aaeee47c4bbf23cd37f0907037800aa5c44
[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" "ec438c7a0555246159df13e7e3265aaeee47c4bbf23cd37f0907037800aa5c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling embassy-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "ec438c7a0555246159df13e7e3265aaeee47c4bbf23cd37f0907037800aa5c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec438c7a0555246159df13e7e3265aaeee47c4bbf23cd37f0907037800aa5c44", kill_on_drop: false }`
[INFO] [stdout] ec438c7a0555246159df13e7e3265aaeee47c4bbf23cd37f0907037800aa5c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 307deae9621ca72df057b35fa5bb2545e3af74f97f8935061c3721aced74db42
[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" "307deae9621ca72df057b35fa5bb2545e3af74f97f8935061c3721aced74db42", kill_on_drop: false }`
[INFO] [stderr]    Compiling embassy-async v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "307deae9621ca72df057b35fa5bb2545e3af74f97f8935061c3721aced74db42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "307deae9621ca72df057b35fa5bb2545e3af74f97f8935061c3721aced74db42", kill_on_drop: false }`
[INFO] [stdout] 307deae9621ca72df057b35fa5bb2545e3af74f97f8935061c3721aced74db42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f13769aa8f8935ef66d5b6cd9d21e72fd4d7e7b222d02a444e65b27fe0a34f0
[INFO] running `Command { std: "docker" "start" "-a" "7f13769aa8f8935ef66d5b6cd9d21e72fd4d7e7b222d02a444e65b27fe0a34f0", 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]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/embassy_async-703f528fb4d5f2e2
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests embassy-async
[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] [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" "7f13769aa8f8935ef66d5b6cd9d21e72fd4d7e7b222d02a444e65b27fe0a34f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f13769aa8f8935ef66d5b6cd9d21e72fd4d7e7b222d02a444e65b27fe0a34f0", kill_on_drop: false }`
[INFO] [stdout] 7f13769aa8f8935ef66d5b6cd9d21e72fd4d7e7b222d02a444e65b27fe0a34f0