[INFO] fetching crate smoltcp-slip 0.3.0...
[INFO] checking smoltcp-slip-0.3.0 against master#1ab98933fa75d72e882b86feac1a0be3a5b02cb0 for pr-83850
[INFO] extracting crate smoltcp-slip 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate smoltcp-slip 0.3.0 on toolchain 1ab98933fa75d72e882b86feac1a0be3a5b02cb0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smoltcp-slip 0.3.0
[INFO] finished tweaking crates.io crate smoltcp-slip 0.3.0
[INFO] tweaked toml for crates.io crate smoltcp-slip 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded managed v0.8.0
[INFO] [stderr]   Downloaded smoltcp v0.8.1
[INFO] [stderr]   Downloaded embedded-hal-mock v0.8.0
[INFO] [stderr]   Downloaded serial-line-ip v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd2ef6da73a2a298c5550eee379e39f521798ace82a1347d8167f9eee16f4c5e
[INFO] running `Command { std: "docker" "start" "-a" "dd2ef6da73a2a298c5550eee379e39f521798ace82a1347d8167f9eee16f4c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd2ef6da73a2a298c5550eee379e39f521798ace82a1347d8167f9eee16f4c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2ef6da73a2a298c5550eee379e39f521798ace82a1347d8167f9eee16f4c5e", kill_on_drop: false }`
[INFO] [stdout] dd2ef6da73a2a298c5550eee379e39f521798ace82a1347d8167f9eee16f4c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+1ab98933fa75d72e882b86feac1a0be3a5b02cb0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca848997251d45ced9ec53f4a6a7a01d6830fba7014b7dbdb05b4f96e3400e3
[INFO] running `Command { std: "docker" "start" "-a" "dca848997251d45ced9ec53f4a6a7a01d6830fba7014b7dbdb05b4f96e3400e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking managed v0.8.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking serial-line-ip v0.5.0
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-mock v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking smoltcp v0.8.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking simple_logger v1.16.0
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking smoltcp-slip v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking spidev v0.5.1
[INFO] [stderr]     Checking gpio-cdev v0.5.1
[INFO] [stderr]     Checking i2cdev v0.5.1
[INFO] [stderr]     Checking sysfs_gpio v0.6.1
[INFO] [stderr]     Checking linux-embedded-hal v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.54s
[INFO] running `Command { std: "docker" "inspect" "dca848997251d45ced9ec53f4a6a7a01d6830fba7014b7dbdb05b4f96e3400e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca848997251d45ced9ec53f4a6a7a01d6830fba7014b7dbdb05b4f96e3400e3", kill_on_drop: false }`
[INFO] [stdout] dca848997251d45ced9ec53f4a6a7a01d6830fba7014b7dbdb05b4f96e3400e3