[INFO] fetching crate microkelvin 0.5.6...
[INFO] checking microkelvin-0.5.6 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate microkelvin 0.5.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate microkelvin 0.5.6 on toolchain 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate microkelvin 0.5.6
[INFO] finished tweaking crates.io crate microkelvin 0.5.6
[INFO] tweaked toml for crates.io crate microkelvin 0.5.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7d9bb95ce6f1e3b7b63fcc190179e8af019d784915f00ea9a57497a95fc35b5
[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" "e7d9bb95ce6f1e3b7b63fcc190179e8af019d784915f00ea9a57497a95fc35b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7d9bb95ce6f1e3b7b63fcc190179e8af019d784915f00ea9a57497a95fc35b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d9bb95ce6f1e3b7b63fcc190179e8af019d784915f00ea9a57497a95fc35b5", kill_on_drop: false }`
[INFO] [stdout] e7d9bb95ce6f1e3b7b63fcc190179e8af019d784915f00ea9a57497a95fc35b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "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] b715eedb6024d3b412946b92dd1fea99b2e1ea8fbbc910172ab82ced29e2bdab
[INFO] running `Command { std: "docker" "start" "-a" "b715eedb6024d3b412946b92dd1fea99b2e1ea8fbbc910172ab82ced29e2bdab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking const-arrayvec v0.2.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[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 smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking blake2b_simd v0.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking appendix v0.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling derive_arbitrary v0.3.3
[INFO] [stderr]    Compiling arbitrary v0.3.3
[INFO] [stderr]     Checking canonical v0.5.0
[INFO] [stderr]    Compiling canonical_derive v0.5.0
[INFO] [stderr]     Checking canonical_host v0.5.0
[INFO] [stderr]     Checking microkelvin v0.5.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.57s
[INFO] running `Command { std: "docker" "inspect" "b715eedb6024d3b412946b92dd1fea99b2e1ea8fbbc910172ab82ced29e2bdab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b715eedb6024d3b412946b92dd1fea99b2e1ea8fbbc910172ab82ced29e2bdab", kill_on_drop: false }`
[INFO] [stdout] b715eedb6024d3b412946b92dd1fea99b2e1ea8fbbc910172ab82ced29e2bdab