[INFO] fetching crate strobe-rs 0.5.4...
[INFO] checking strobe-rs-0.5.4 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate strobe-rs 0.5.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate strobe-rs 0.5.4 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strobe-rs 0.5.4
[INFO] finished tweaking crates.io crate strobe-rs 0.5.4
[INFO] tweaked toml for crates.io crate strobe-rs 0.5.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate strobe-rs 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d967f86d831ae49ffc9032247d928a385eb0f7d4d27e1f5d30ef0d3fce552181
[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" "d967f86d831ae49ffc9032247d928a385eb0f7d4d27e1f5d30ef0d3fce552181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d967f86d831ae49ffc9032247d928a385eb0f7d4d27e1f5d30ef0d3fce552181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d967f86d831ae49ffc9032247d928a385eb0f7d4d27e1f5d30ef0d3fce552181", kill_on_drop: false }`
[INFO] [stdout] d967f86d831ae49ffc9032247d928a385eb0f7d4d27e1f5d30ef0d3fce552181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] 84211d75cd7cf36048770c7be51a6275a4e944428f26dda926a9ea4513a17111
[INFO] running `Command { std: "docker" "start" "-a" "84211d75cd7cf36048770c7be51a6275a4e944428f26dda926a9ea4513a17111", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking subtle v2.2.3
[INFO] [stderr]     Checking tiny-keccak v2.0.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking strobe-rs v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "84211d75cd7cf36048770c7be51a6275a4e944428f26dda926a9ea4513a17111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84211d75cd7cf36048770c7be51a6275a4e944428f26dda926a9ea4513a17111", kill_on_drop: false }`
[INFO] [stdout] 84211d75cd7cf36048770c7be51a6275a4e944428f26dda926a9ea4513a17111