[INFO] cloning repository https://github.com/wfraser/lcd-pcf8574
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wfraser/lcd-pcf8574" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f6abea6350845fa80258c8cb03c60bdd79c3ea
[INFO] checking wfraser/lcd-pcf8574 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Flcd-pcf8574" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/lcd-pcf8574 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfraser/lcd-pcf8574
[INFO] finished tweaking git repo https://github.com/wfraser/lcd-pcf8574
[INFO] tweaked toml for git repo https://github.com/wfraser/lcd-pcf8574 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/lcd-pcf8574 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--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 i2cdev v0.4.4
[INFO] [stderr]   Downloaded libc v0.2.85
[INFO] [stderr]   Downloaded nix v0.14.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 32ae7090029a5b6b434cd6d5bd98bd2b0d7752f0adcee9d7443f6d4477965b9f
[INFO] running `Command { std: "docker" "start" "-a" "32ae7090029a5b6b434cd6d5bd98bd2b0d7752f0adcee9d7443f6d4477965b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32ae7090029a5b6b434cd6d5bd98bd2b0d7752f0adcee9d7443f6d4477965b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ae7090029a5b6b434cd6d5bd98bd2b0d7752f0adcee9d7443f6d4477965b9f", kill_on_drop: false }`
[INFO] [stdout] 32ae7090029a5b6b434cd6d5bd98bd2b0d7752f0adcee9d7443f6d4477965b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a4d4aa5cb84bc1543cd3b9ae1325fc910f8d454079e82b2aeb6f64e8f3c8d73
[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" "2a4d4aa5cb84bc1543cd3b9ae1325fc910f8d454079e82b2aeb6f64e8f3c8d73", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lcd v0.4.0-alpha.0 (https://github.com/wfraser/lcd#76fdfc4a)
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking lcd-pcf8574 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.03s
[INFO] running `Command { std: "docker" "inspect" "2a4d4aa5cb84bc1543cd3b9ae1325fc910f8d454079e82b2aeb6f64e8f3c8d73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4d4aa5cb84bc1543cd3b9ae1325fc910f8d454079e82b2aeb6f64e8f3c8d73", kill_on_drop: false }`
[INFO] [stdout] 2a4d4aa5cb84bc1543cd3b9ae1325fc910f8d454079e82b2aeb6f64e8f3c8d73