[INFO] cloning repository https://github.com/mrsmkl/ipfs_hash
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrsmkl/ipfs_hash" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsmkl%2Fipfs_hash", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsmkl%2Fipfs_hash'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 706a540cb9d2dde2e73a3f70b7bbd055b0977965
[INFO] checking mrsmkl/ipfs_hash against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrsmkl%2Fipfs_hash" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrsmkl/ipfs_hash on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mrsmkl/ipfs_hash
[INFO] finished tweaking git repo https://github.com/mrsmkl/ipfs_hash
[INFO] tweaked toml for git repo https://github.com/mrsmkl/ipfs_hash written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mrsmkl/ipfs_hash already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8b033f762a952fa93e0515f1b9327d319b2bd0946c23cf645f685afa41086dd
[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" "c8b033f762a952fa93e0515f1b9327d319b2bd0946c23cf645f685afa41086dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8b033f762a952fa93e0515f1b9327d319b2bd0946c23cf645f685afa41086dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b033f762a952fa93e0515f1b9327d319b2bd0946c23cf645f685afa41086dd", kill_on_drop: false }`
[INFO] [stdout] c8b033f762a952fa93e0515f1b9327d319b2bd0946c23cf645f685afa41086dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb42dacb4e34cee2a136257cc2c6bd8cf015c9530973fc8e40ca8ad1ee15f6a1
[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" "fb42dacb4e34cee2a136257cc2c6bd8cf015c9530973fc8e40ca8ad1ee15f6a1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking base58 v0.1.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.19
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking quick-protobuf v0.6.0
[INFO] [stderr]     Checking ipfs_hash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.83s
[INFO] running `Command { std: "docker" "inspect" "fb42dacb4e34cee2a136257cc2c6bd8cf015c9530973fc8e40ca8ad1ee15f6a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb42dacb4e34cee2a136257cc2c6bd8cf015c9530973fc8e40ca8ad1ee15f6a1", kill_on_drop: false }`
[INFO] [stdout] fb42dacb4e34cee2a136257cc2c6bd8cf015c9530973fc8e40ca8ad1ee15f6a1