[INFO] fetching crate sgp30 0.3.1...
[INFO] checking sgp30-0.3.1 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate sgp30 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sgp30 0.3.1 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sgp30 0.3.1
[INFO] finished tweaking crates.io crate sgp30 0.3.1
[INFO] tweaked toml for crates.io crate sgp30 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sgp30 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd416c9a9da0bd05caf82606357fe86251eec958c6ce4d2223e98edc6858fcc
[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" "7bd416c9a9da0bd05caf82606357fe86251eec958c6ce4d2223e98edc6858fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd416c9a9da0bd05caf82606357fe86251eec958c6ce4d2223e98edc6858fcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd416c9a9da0bd05caf82606357fe86251eec958c6ce4d2223e98edc6858fcc", kill_on_drop: false }`
[INFO] [stdout] 7bd416c9a9da0bd05caf82606357fe86251eec958c6ce4d2223e98edc6858fcc
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eedbd5e430a4b08876dfc5f1fdb4f4e96e58b1726a05e33dadc8c9675d535ebf
[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" "eedbd5e430a4b08876dfc5f1fdb4f4e96e58b1726a05e33dadc8c9675d535ebf", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking nb v0.1.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking sensirion-i2c v0.1.0
[INFO] [stderr]     Checking embedded-hal-mock v0.7.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking sgp30 v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spidev v0.4.0
[INFO] [stderr]     Checking i2cdev v0.4.4
[INFO] [stderr]     Checking sysfs_gpio v0.5.3
[INFO] [stderr]     Checking linux-embedded-hal v0.3.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.36s
[INFO] running `Command { std: "docker" "inspect" "eedbd5e430a4b08876dfc5f1fdb4f4e96e58b1726a05e33dadc8c9675d535ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eedbd5e430a4b08876dfc5f1fdb4f4e96e58b1726a05e33dadc8c9675d535ebf", kill_on_drop: false }`
[INFO] [stdout] eedbd5e430a4b08876dfc5f1fdb4f4e96e58b1726a05e33dadc8c9675d535ebf