[INFO] fetching crate poi 0.20.0...
[INFO] checking poi-0.20.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate poi 0.20.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate poi 0.20.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poi 0.20.0
[INFO] finished tweaking crates.io crate poi 0.20.0
[INFO] tweaked toml for crates.io crate poi 0.20.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate poi 0.20.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded piston_meta v1.0.0
[INFO] [stderr]   Downloaded range v1.0.0
[INFO] [stderr]   Downloaded read_token v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 873361a8ad84b2755036a984b6de79bd06399200b6d17a32c5adb285dd634e5e
[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" "873361a8ad84b2755036a984b6de79bd06399200b6d17a32c5adb285dd634e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873361a8ad84b2755036a984b6de79bd06399200b6d17a32c5adb285dd634e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873361a8ad84b2755036a984b6de79bd06399200b6d17a32c5adb285dd634e5e", kill_on_drop: false }`
[INFO] [stdout] 873361a8ad84b2755036a984b6de79bd06399200b6d17a32c5adb285dd634e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 4cf8fb052f1754ea2b437597d2853648435348b59d17857e13e5f87d8ff77004
[INFO] running `Command { std: "docker" "start" "-a" "4cf8fb052f1754ea2b437597d2853648435348b59d17857e13e5f87d8ff77004", kill_on_drop: false }`
[INFO] [stderr]     Checking range v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking read_token v1.0.0
[INFO] [stderr]     Checking piston_meta v1.0.0
[INFO] [stderr]     Checking poi v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "4cf8fb052f1754ea2b437597d2853648435348b59d17857e13e5f87d8ff77004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf8fb052f1754ea2b437597d2853648435348b59d17857e13e5f87d8ff77004", kill_on_drop: false }`
[INFO] [stdout] 4cf8fb052f1754ea2b437597d2853648435348b59d17857e13e5f87d8ff77004