[INFO] fetching crate protocol 3.1.7...
[INFO] checking protocol-3.1.7 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate protocol 3.1.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate protocol 3.1.7 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protocol 3.1.7
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate protocol 3.1.7
[INFO] tweaked toml for crates.io crate protocol 3.1.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate protocol 3.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protocol-derive v3.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e04677298207df0374a69c1bc1869438f85b15054448c1b923c57bfc5a2e4a
[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" "75e04677298207df0374a69c1bc1869438f85b15054448c1b923c57bfc5a2e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e04677298207df0374a69c1bc1869438f85b15054448c1b923c57bfc5a2e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e04677298207df0374a69c1bc1869438f85b15054448c1b923c57bfc5a2e4a", kill_on_drop: false }`
[INFO] [stdout] 75e04677298207df0374a69c1bc1869438f85b15054448c1b923c57bfc5a2e4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d98b4d4499810a313b67a20bfdea350c1bd4b840132957be01e16121699fdd08
[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" "d98b4d4499810a313b67a20bfdea350c1bd4b840132957be01e16121699fdd08", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling protocol-derive v3.1.7
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking protocol v3.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.73s
[INFO] running `Command { std: "docker" "inspect" "d98b4d4499810a313b67a20bfdea350c1bd4b840132957be01e16121699fdd08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98b4d4499810a313b67a20bfdea350c1bd4b840132957be01e16121699fdd08", kill_on_drop: false }`
[INFO] [stdout] d98b4d4499810a313b67a20bfdea350c1bd4b840132957be01e16121699fdd08