[INFO] fetching crate rdftk_skos 0.1.24...
[INFO] checking rdftk_skos-0.1.24 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate rdftk_skos 0.1.24 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rdftk_skos 0.1.24 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rdftk_skos 0.1.24
[INFO] finished tweaking crates.io crate rdftk_skos 0.1.24
[INFO] tweaked toml for crates.io crate rdftk_skos 0.1.24 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid v0.8.1
[INFO] [stderr]   Downloaded unique_id v0.1.3
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded rdftk_core v0.1.10
[INFO] [stderr]   Downloaded atomic_refcell v0.1.6
[INFO] [stderr]   Downloaded rdftk_io v0.1.4
[INFO] [stderr]   Downloaded rdftk_iri v0.1.4
[INFO] [stderr]   Downloaded somedoc v0.1.7
[INFO] [stderr]   Downloaded blob-uuid v0.4.0
[INFO] [stderr]   Downloaded rdftk_memgraph v0.1.6
[INFO] [stderr]   Downloaded rdftk_names v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 828f80e3561f2b78efada799d52e9b24856fa3bbdb6a1a6112d508692a9a3f8b
[INFO] running `Command { std: "docker" "start" "-a" "828f80e3561f2b78efada799d52e9b24856fa3bbdb6a1a6112d508692a9a3f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "828f80e3561f2b78efada799d52e9b24856fa3bbdb6a1a6112d508692a9a3f8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "828f80e3561f2b78efada799d52e9b24856fa3bbdb6a1a6112d508692a9a3f8b", kill_on_drop: false }`
[INFO] [stdout] 828f80e3561f2b78efada799d52e9b24856fa3bbdb6a1a6112d508692a9a3f8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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] 386ee63f9a5606f34cab44973a7c33c67c212db43528fbdfcde9ff5f0eba67d1
[INFO] running `Command { std: "docker" "start" "-a" "386ee63f9a5606f34cab44973a7c33c67c212db43528fbdfcde9ff5f0eba67d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking atomic_refcell v0.1.6
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking blob-uuid v0.4.0
[INFO] [stderr]     Checking unique_id v0.1.3
[INFO] [stderr]     Checking rdftk_iri v0.1.4
[INFO] [stderr]     Checking somedoc v0.1.7
[INFO] [stderr]     Checking rdftk_names v0.1.7
[INFO] [stderr]     Checking rdftk_core v0.1.10
[INFO] [stderr]     Checking rdftk_io v0.1.4
[INFO] [stderr]     Checking rdftk_memgraph v0.1.6
[INFO] [stderr]     Checking rdftk_skos v0.1.24 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.95s
[INFO] running `Command { std: "docker" "inspect" "386ee63f9a5606f34cab44973a7c33c67c212db43528fbdfcde9ff5f0eba67d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386ee63f9a5606f34cab44973a7c33c67c212db43528fbdfcde9ff5f0eba67d1", kill_on_drop: false }`
[INFO] [stdout] 386ee63f9a5606f34cab44973a7c33c67c212db43528fbdfcde9ff5f0eba67d1