[INFO] cloning repository https://github.com/cecton/asyncstd-test-drops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cecton/asyncstd-test-drops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fasyncstd-test-drops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcecton%2Fasyncstd-test-drops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d3d5097a9bb8f51d0cf868c6e60721e1c4190bd
[INFO] testing cecton/asyncstd-test-drops 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%2Fcecton%2Fasyncstd-test-drops" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cecton/asyncstd-test-drops 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/cecton/asyncstd-test-drops
[INFO] finished tweaking git repo https://github.com/cecton/asyncstd-test-drops
[INFO] tweaked toml for git repo https://github.com/cecton/asyncstd-test-drops written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cecton/asyncstd-test-drops 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 fastrand v1.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.14
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded parking v1.0.4
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1f204a5c1b9843f1d025362618c8c3a847afb1f90eb7b3a3b27e192bc56709be
[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" "1f204a5c1b9843f1d025362618c8c3a847afb1f90eb7b3a3b27e192bc56709be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f204a5c1b9843f1d025362618c8c3a847afb1f90eb7b3a3b27e192bc56709be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f204a5c1b9843f1d025362618c8c3a847afb1f90eb7b3a3b27e192bc56709be", kill_on_drop: false }`
[INFO] [stdout] 1f204a5c1b9843f1d025362618c8c3a847afb1f90eb7b3a3b27e192bc56709be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 85d12c25ba96bf699d986c31fda3e2580e21345a3c79ca9c8a20efcef0984e52
[INFO] running `Command { std: "docker" "start" "-a" "85d12c25ba96bf699d986c31fda3e2580e21345a3c79ca9c8a20efcef0984e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling parking v1.0.4
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling fastrand v1.3.3
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling bytes v0.5.5
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling concurrent-queue v1.1.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tokio v0.2.21
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling blocking v0.4.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling asyncstd-test-drops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.51s
[INFO] running `Command { std: "docker" "inspect" "85d12c25ba96bf699d986c31fda3e2580e21345a3c79ca9c8a20efcef0984e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d12c25ba96bf699d986c31fda3e2580e21345a3c79ca9c8a20efcef0984e52", kill_on_drop: false }`
[INFO] [stdout] 85d12c25ba96bf699d986c31fda3e2580e21345a3c79ca9c8a20efcef0984e52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] d652bd4b85e75a4a9c0c3c85c9e9fce1f569872311315fd4cb4d41a6939bbb52
[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" "d652bd4b85e75a4a9c0c3c85c9e9fce1f569872311315fd4cb4d41a6939bbb52", kill_on_drop: false }`
[INFO] [stderr]    Compiling asyncstd-test-drops v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "d652bd4b85e75a4a9c0c3c85c9e9fce1f569872311315fd4cb4d41a6939bbb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d652bd4b85e75a4a9c0c3c85c9e9fce1f569872311315fd4cb4d41a6939bbb52", kill_on_drop: false }`
[INFO] [stdout] d652bd4b85e75a4a9c0c3c85c9e9fce1f569872311315fd4cb4d41a6939bbb52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] be7c7e92136120fb1e39c706dad3bb3bc24c680098b4d426fcc3c7fad99c2a71
[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" "be7c7e92136120fb1e39c706dad3bb3bc24c680098b4d426fcc3c7fad99c2a71", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/asyncstd_test_drops-26e296ce3801e4d9
[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" "be7c7e92136120fb1e39c706dad3bb3bc24c680098b4d426fcc3c7fad99c2a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7c7e92136120fb1e39c706dad3bb3bc24c680098b4d426fcc3c7fad99c2a71", kill_on_drop: false }`
[INFO] [stdout] be7c7e92136120fb1e39c706dad3bb3bc24c680098b4d426fcc3c7fad99c2a71