[INFO] cloning repository https://github.com/martinf08/asynchronous-concurrency-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martinf08/asynchronous-concurrency-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Fasynchronous-concurrency-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Fasynchronous-concurrency-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d37ad10ec565943fa40441e8214f50151137aa0
[INFO] checking martinf08/asynchronous-concurrency-rust against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartinf08%2Fasynchronous-concurrency-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martinf08/asynchronous-concurrency-rust on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martinf08/asynchronous-concurrency-rust
[INFO] finished tweaking git repo https://github.com/martinf08/asynchronous-concurrency-rust
[INFO] tweaked toml for git repo https://github.com/martinf08/asynchronous-concurrency-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/martinf08/asynchronous-concurrency-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", 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] 706643d0e6b8674b36778e690f8af55a7488c127f0afb388de31c24e8f1ef712
[INFO] running `Command { std: "docker" "start" "-a" "706643d0e6b8674b36778e690f8af55a7488c127f0afb388de31c24e8f1ef712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706643d0e6b8674b36778e690f8af55a7488c127f0afb388de31c24e8f1ef712", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706643d0e6b8674b36778e690f8af55a7488c127f0afb388de31c24e8f1ef712", kill_on_drop: false }`
[INFO] [stdout] 706643d0e6b8674b36778e690f8af55a7488c127f0afb388de31c24e8f1ef712
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6faeec9758912e3f4e4258798d4bb59955905cf53e53b047fedc0687608b295a
[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" "6faeec9758912e3f4e4258798d4bb59955905cf53e53b047fedc0687608b295a", kill_on_drop: false }`
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[INFO] [stderr]     Checking asynchronous-concurrency-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 09s
[INFO] running `Command { std: "docker" "inspect" "6faeec9758912e3f4e4258798d4bb59955905cf53e53b047fedc0687608b295a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6faeec9758912e3f4e4258798d4bb59955905cf53e53b047fedc0687608b295a", kill_on_drop: false }`
[INFO] [stdout] 6faeec9758912e3f4e4258798d4bb59955905cf53e53b047fedc0687608b295a