[INFO] fetching crate carrier-build 0.2.0...
[INFO] checking carrier-build-0.2.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate carrier-build 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate carrier-build 0.2.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate carrier-build 0.2.0
[INFO] finished tweaking crates.io crate carrier-build 0.2.0
[INFO] tweaked toml for crates.io crate carrier-build 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0d3d66c86d7265c37ce5ed4a18a760b3aa88adef8e4a8524f4a05645428feae
[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" "b0d3d66c86d7265c37ce5ed4a18a760b3aa88adef8e4a8524f4a05645428feae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0d3d66c86d7265c37ce5ed4a18a760b3aa88adef8e4a8524f4a05645428feae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0d3d66c86d7265c37ce5ed4a18a760b3aa88adef8e4a8524f4a05645428feae", kill_on_drop: false }`
[INFO] [stdout] b0d3d66c86d7265c37ce5ed4a18a760b3aa88adef8e4a8524f4a05645428feae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d50314a6a6441663e3decf2f995f85ce8a8a19f6a8afdcba35d44cf5b0ab417a
[INFO] running `Command { std: "docker" "start" "-a" "d50314a6a6441663e3decf2f995f85ce8a8a19f6a8afdcba35d44cf5b0ab417a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking prost v0.4.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-build v0.4.0
[INFO] [stderr]    Compiling prost-derive v0.4.0
[INFO] [stderr]     Checking prost-types v0.4.0
[INFO] [stderr]     Checking carrier-build v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.80s
[INFO] running `Command { std: "docker" "inspect" "d50314a6a6441663e3decf2f995f85ce8a8a19f6a8afdcba35d44cf5b0ab417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50314a6a6441663e3decf2f995f85ce8a8a19f6a8afdcba35d44cf5b0ab417a", kill_on_drop: false }`
[INFO] [stdout] d50314a6a6441663e3decf2f995f85ce8a8a19f6a8afdcba35d44cf5b0ab417a