[INFO] fetching crate i2c-tpa2016 0.1.0...
[INFO] checking i2c-tpa2016-0.1.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate i2c-tpa2016 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate i2c-tpa2016 0.1.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2c-tpa2016 0.1.0
[INFO] finished tweaking crates.io crate i2c-tpa2016 0.1.0
[INFO] tweaked toml for crates.io crate i2c-tpa2016 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcc0747a882d6760eabc93e2cf0b8ac5ec2b966607eccc67f86c6d321efedf7
[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" "bfcc0747a882d6760eabc93e2cf0b8ac5ec2b966607eccc67f86c6d321efedf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcc0747a882d6760eabc93e2cf0b8ac5ec2b966607eccc67f86c6d321efedf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcc0747a882d6760eabc93e2cf0b8ac5ec2b966607eccc67f86c6d321efedf7", kill_on_drop: false }`
[INFO] [stdout] bfcc0747a882d6760eabc93e2cf0b8ac5ec2b966607eccc67f86c6d321efedf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fec409a0ab4ecf25b0bf2a937c57ca4e104ae3a5f8f1f5b4fc3082c26a62820
[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" "4fec409a0ab4ecf25b0bf2a937c57ca4e104ae3a5f8f1f5b4fc3082c26a62820", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling i2c-tpa2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking cargo_metadata v0.10.0
[INFO] [stderr]     Checking skeptic v0.13.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.33s
[INFO] running `Command { std: "docker" "inspect" "4fec409a0ab4ecf25b0bf2a937c57ca4e104ae3a5f8f1f5b4fc3082c26a62820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fec409a0ab4ecf25b0bf2a937c57ca4e104ae3a5f8f1f5b4fc3082c26a62820", kill_on_drop: false }`
[INFO] [stdout] 4fec409a0ab4ecf25b0bf2a937c57ca4e104ae3a5f8f1f5b4fc3082c26a62820