[INFO] fetching crate protocol 3.1.6...
[INFO] checking protocol-3.1.6 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate protocol 3.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate protocol 3.1.6 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protocol 3.1.6
[INFO] removed 6 missing examples
[INFO] finished tweaking crates.io crate protocol 3.1.6
[INFO] tweaked toml for crates.io crate protocol 3.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate protocol 3.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f70c8576565532341e26bee3a6fe990778e59d5176839d27096ec30e6b1983
[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" "80f70c8576565532341e26bee3a6fe990778e59d5176839d27096ec30e6b1983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f70c8576565532341e26bee3a6fe990778e59d5176839d27096ec30e6b1983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f70c8576565532341e26bee3a6fe990778e59d5176839d27096ec30e6b1983", kill_on_drop: false }`
[INFO] [stdout] 80f70c8576565532341e26bee3a6fe990778e59d5176839d27096ec30e6b1983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7ea39b17aea8878285a29e34b45bab42182ac01358df248e8db0d43c30c269f
[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" "f7ea39b17aea8878285a29e34b45bab42182ac01358df248e8db0d43c30c269f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking adler v0.2.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking protocol v3.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling protocol-derive v3.1.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.10s
[INFO] running `Command { std: "docker" "inspect" "f7ea39b17aea8878285a29e34b45bab42182ac01358df248e8db0d43c30c269f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ea39b17aea8878285a29e34b45bab42182ac01358df248e8db0d43c30c269f", kill_on_drop: false }`
[INFO] [stdout] f7ea39b17aea8878285a29e34b45bab42182ac01358df248e8db0d43c30c269f