[INFO] fetching crate mcp3xxx 0.1.0-pre.1...
[INFO] checking mcp3xxx-0.1.0-pre.1 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate mcp3xxx 0.1.0-pre.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate mcp3xxx 0.1.0-pre.1 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] finished tweaking crates.io crate mcp3xxx 0.1.0-pre.1
[INFO] tweaked toml for crates.io crate mcp3xxx 0.1.0-pre.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate mcp3xxx 0.1.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.11.3
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f022af87f89c8d6d44feaf55ece262b41fb9dfea75ff936a6b1fa3c454c5e54
[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" "0f022af87f89c8d6d44feaf55ece262b41fb9dfea75ff936a6b1fa3c454c5e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f022af87f89c8d6d44feaf55ece262b41fb9dfea75ff936a6b1fa3c454c5e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f022af87f89c8d6d44feaf55ece262b41fb9dfea75ff936a6b1fa3c454c5e54", kill_on_drop: false }`
[INFO] [stdout] 0f022af87f89c8d6d44feaf55ece262b41fb9dfea75ff936a6b1fa3c454c5e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b2e20909ddd224df4ac113406a5ac00de60a242d422f68d67e9a195b9450e5
[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" "f8b2e20909ddd224df4ac113406a5ac00de60a242d422f68d67e9a195b9450e5", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking mcp3xxx v0.1.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "f8b2e20909ddd224df4ac113406a5ac00de60a242d422f68d67e9a195b9450e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b2e20909ddd224df4ac113406a5ac00de60a242d422f68d67e9a195b9450e5", kill_on_drop: false }`
[INFO] [stdout] f8b2e20909ddd224df4ac113406a5ac00de60a242d422f68d67e9a195b9450e5
