[INFO] fetching crate mini-rxtx 0.1.2...
[INFO] checking mini-rxtx-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate mini-rxtx 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mini-rxtx 0.1.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mini-rxtx 0.1.2
[INFO] finished tweaking crates.io crate mini-rxtx 0.1.2
[INFO] tweaked toml for crates.io crate mini-rxtx 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7cf4c6cd8c9dad0463905ac164bcbb4845790377ae48205dc02012f4364d1ae
[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" "b7cf4c6cd8c9dad0463905ac164bcbb4845790377ae48205dc02012f4364d1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7cf4c6cd8c9dad0463905ac164bcbb4845790377ae48205dc02012f4364d1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cf4c6cd8c9dad0463905ac164bcbb4845790377ae48205dc02012f4364d1ae", kill_on_drop: false }`
[INFO] [stdout] b7cf4c6cd8c9dad0463905ac164bcbb4845790377ae48205dc02012f4364d1ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb17bc2300a007a90face2e3a94047c4297f69f33e79b5718fffc7cd8bf4261
[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" "1fb17bc2300a007a90face2e3a94047c4297f69f33e79b5718fffc7cd8bf4261", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling heapless v0.7.0
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.5
[INFO] [stderr]     Checking ssmarshal v1.0.0
[INFO] [stderr]     Checking mini-rxtx v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.78s
[INFO] running `Command { std: "docker" "inspect" "1fb17bc2300a007a90face2e3a94047c4297f69f33e79b5718fffc7cd8bf4261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb17bc2300a007a90face2e3a94047c4297f69f33e79b5718fffc7cd8bf4261", kill_on_drop: false }`
[INFO] [stdout] 1fb17bc2300a007a90face2e3a94047c4297f69f33e79b5718fffc7cd8bf4261