[INFO] fetching crate ncmc 0.1.10...
[INFO] checking ncmc-0.1.10 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate ncmc 0.1.10 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ncmc 0.1.10 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 ncmc 0.1.10
[INFO] finished tweaking crates.io crate ncmc 0.1.10
[INFO] tweaked toml for crates.io crate ncmc 0.1.10 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate ncmc 0.1.10 already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", 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] 9cd43213bc0cf75dce2464b75dde3bdb8ac89c3e79f0d3273ec78b9ff30acf0b
[INFO] running `Command { std: "docker" "start" "-a" "9cd43213bc0cf75dce2464b75dde3bdb8ac89c3e79f0d3273ec78b9ff30acf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cd43213bc0cf75dce2464b75dde3bdb8ac89c3e79f0d3273ec78b9ff30acf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cd43213bc0cf75dce2464b75dde3bdb8ac89c3e79f0d3273ec78b9ff30acf0b", kill_on_drop: false }`
[INFO] [stdout] 9cd43213bc0cf75dce2464b75dde3bdb8ac89c3e79f0d3273ec78b9ff30acf0b
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1df698adf6ffadf7aa781609a60d50bc75d348f5d4b5603203fa24a132c7b2dd
[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" "1df698adf6ffadf7aa781609a60d50bc75d348f5d4b5603203fa24a132c7b2dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking metaflac v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking id3 v0.5.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]    Compiling mini-internal v0.1.12
[INFO] [stderr]     Checking miniserde v0.1.12
[INFO] [stderr]     Checking ncmc v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.71s
[INFO] running `Command { std: "docker" "inspect" "1df698adf6ffadf7aa781609a60d50bc75d348f5d4b5603203fa24a132c7b2dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1df698adf6ffadf7aa781609a60d50bc75d348f5d4b5603203fa24a132c7b2dd", kill_on_drop: false }`
[INFO] [stdout] 1df698adf6ffadf7aa781609a60d50bc75d348f5d4b5603203fa24a132c7b2dd