[INFO] fetching crate cannyls_rpc 0.3.1...
[INFO] checking cannyls_rpc-0.3.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate cannyls_rpc 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cannyls_rpc 0.3.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cannyls_rpc 0.3.1
[INFO] finished tweaking crates.io crate cannyls_rpc 0.3.1
[INFO] tweaked toml for crates.io crate cannyls_rpc 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded procinfo v0.4.2
[INFO] [stderr]   Downloaded fibers_rpc v0.3.4
[INFO] [stderr]   Downloaded cannyls v0.10.0
[INFO] [stderr]   Downloaded prometrics v0.1.13
[INFO] [stderr]   Downloaded bytecodec v0.4.14
[INFO] [stderr]   Downloaded factory v0.1.2
[INFO] [stderr]   Downloaded fibers_tasque v0.1.2
[INFO] [stderr]   Downloaded splay_tree v0.2.10
[INFO] [stderr]   Downloaded protobuf_codec v0.2.8
[INFO] [stderr]   Downloaded nbchan v0.1.3
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded fibers v0.1.13
[INFO] [stderr]   Downloaded tasque v0.1.5
[INFO] [stderr]   Downloaded atomic_immut v0.1.4
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61775d6122919c7d11aa00d99e5c5c696455b2e3af455250803a843fba700abe
[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" "61775d6122919c7d11aa00d99e5c5c696455b2e3af455250803a843fba700abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61775d6122919c7d11aa00d99e5c5c696455b2e3af455250803a843fba700abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61775d6122919c7d11aa00d99e5c5c696455b2e3af455250803a843fba700abe", kill_on_drop: false }`
[INFO] [stdout] 61775d6122919c7d11aa00d99e5c5c696455b2e3af455250803a843fba700abe
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "-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] ca241171c68f2bac109eef5d01b5a0974cd15e0af2cbfbd90c389dbc5dc3518f
[INFO] running `Command { std: "docker" "start" "-a" "ca241171c68f2bac109eef5d01b5a0974cd15e0af2cbfbd90c389dbc5dc3518f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking nom v2.2.1
[INFO] [stderr]     Checking atomic_immut v0.1.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking nbchan v0.1.3
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking splay_tree v0.2.10
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking factory v0.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling procinfo v0.4.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking fibers v0.1.13
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking prometrics v0.1.13
[INFO] [stderr]     Checking bytecodec v0.4.14
[INFO] [stderr]     Checking tasque v0.1.5
[INFO] [stderr]     Checking cannyls v0.10.0
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking fibers_tasque v0.1.2
[INFO] [stderr]     Checking fibers_rpc v0.3.4
[INFO] [stderr]     Checking cannyls_rpc v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.52s
[INFO] running `Command { std: "docker" "inspect" "ca241171c68f2bac109eef5d01b5a0974cd15e0af2cbfbd90c389dbc5dc3518f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca241171c68f2bac109eef5d01b5a0974cd15e0af2cbfbd90c389dbc5dc3518f", kill_on_drop: false }`
[INFO] [stdout] ca241171c68f2bac109eef5d01b5a0974cd15e0af2cbfbd90c389dbc5dc3518f