[INFO] cloning repository https://github.com/VictorKoenders/tokio-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictorKoenders/tokio-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Ftokio-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Ftokio-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ee8d595ceeee678fcf827e0fc858f69d2021368
[INFO] checking VictorKoenders/tokio-test against try#22dd2dd1dc07f63ae9394352d412f020d2985684 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Ftokio-test" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VictorKoenders/tokio-test on toolchain 22dd2dd1dc07f63ae9394352d412f020d2985684
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VictorKoenders/tokio-test
[INFO] finished tweaking git repo https://github.com/VictorKoenders/tokio-test
[INFO] tweaked toml for git repo https://github.com/VictorKoenders/tokio-test written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/VictorKoenders/tokio-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0a6e12b0799c4f278f9e431946e27bee1d107f6e84d4a7aa88632ad0f57e8a7
[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" "a0a6e12b0799c4f278f9e431946e27bee1d107f6e84d4a7aa88632ad0f57e8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0a6e12b0799c4f278f9e431946e27bee1d107f6e84d4a7aa88632ad0f57e8a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a6e12b0799c4f278f9e431946e27bee1d107f6e84d4a7aa88632ad0f57e8a7", kill_on_drop: false }`
[INFO] [stdout] a0a6e12b0799c4f278f9e431946e27bee1d107f6e84d4a7aa88632ad0f57e8a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+22dd2dd1dc07f63ae9394352d412f020d2985684" "check" "--frozen" "--all" "--all-targets" "--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] 20b0013ac263746ccd2c1998dc8bbae8c08e9bafdd607a7789a59877223bc754
[INFO] running `Command { std: "docker" "start" "-a" "20b0013ac263746ccd2c1998dc8bbae8c08e9bafdd607a7789a59877223bc754", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking crossbeam-utils v0.6.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking tokio-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.46s
[INFO] running `Command { std: "docker" "inspect" "20b0013ac263746ccd2c1998dc8bbae8c08e9bafdd607a7789a59877223bc754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20b0013ac263746ccd2c1998dc8bbae8c08e9bafdd607a7789a59877223bc754", kill_on_drop: false }`
[INFO] [stdout] 20b0013ac263746ccd2c1998dc8bbae8c08e9bafdd607a7789a59877223bc754