[INFO] fetching crate ublox 0.2.0...
[INFO] checking ublox-0.2.0 against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] extracting crate ublox 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate ublox 0.2.0 on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ublox 0.2.0
[INFO] finished tweaking crates.io crate ublox 0.2.0
[INFO] tweaked toml for crates.io crate ublox 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate ublox 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f0f0d8dbaab6d4c29f57a79a98d1df057e5a1782458d5d731eb9673109f1bd
[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" "e4f0f0d8dbaab6d4c29f57a79a98d1df057e5a1782458d5d731eb9673109f1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f0f0d8dbaab6d4c29f57a79a98d1df057e5a1782458d5d731eb9673109f1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f0f0d8dbaab6d4c29f57a79a98d1df057e5a1782458d5d731eb9673109f1bd", kill_on_drop: false }`
[INFO] [stdout] e4f0f0d8dbaab6d4c29f57a79a98d1df057e5a1782458d5d731eb9673109f1bd
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 488d02bfac0c5382e07ee1a1454b851c2d97243fe3a022467a1cdb06cd860d2d
[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" "488d02bfac0c5382e07ee1a1454b851c2d97243fe3a022467a1cdb06cd860d2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ublox_derive v0.0.1
[INFO] [stderr]     Checking ublox v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.20s
[INFO] running `Command { std: "docker" "inspect" "488d02bfac0c5382e07ee1a1454b851c2d97243fe3a022467a1cdb06cd860d2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "488d02bfac0c5382e07ee1a1454b851c2d97243fe3a022467a1cdb06cd860d2d", kill_on_drop: false }`
[INFO] [stdout] 488d02bfac0c5382e07ee1a1454b851c2d97243fe3a022467a1cdb06cd860d2d