[INFO] fetching crate jheap_histo 0.1.0...
[INFO] checking jheap_histo-0.1.0 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[INFO] extracting crate jheap_histo 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jheap_histo 0.1.0 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 jheap_histo 0.1.0
[INFO] finished tweaking crates.io crate jheap_histo 0.1.0
[INFO] tweaked toml for crates.io crate jheap_histo 0.1.0 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a00479a91bb4ed16b4159b14b5ea2c69eed0ea841e115f1e7de786c9e4492cf8
[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" "a00479a91bb4ed16b4159b14b5ea2c69eed0ea841e115f1e7de786c9e4492cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a00479a91bb4ed16b4159b14b5ea2c69eed0ea841e115f1e7de786c9e4492cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a00479a91bb4ed16b4159b14b5ea2c69eed0ea841e115f1e7de786c9e4492cf8", kill_on_drop: false }`
[INFO] [stdout] a00479a91bb4ed16b4159b14b5ea2c69eed0ea841e115f1e7de786c9e4492cf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] d844c6e15b595cbbd22dfd4e3cae1f6eded3722e1159d4c5ffecdb084ac0a02e
[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" "d844c6e15b595cbbd22dfd4e3cae1f6eded3722e1159d4c5ffecdb084ac0a02e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking jheap_histo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.61s
[INFO] running `Command { std: "docker" "inspect" "d844c6e15b595cbbd22dfd4e3cae1f6eded3722e1159d4c5ffecdb084ac0a02e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d844c6e15b595cbbd22dfd4e3cae1f6eded3722e1159d4c5ffecdb084ac0a02e", kill_on_drop: false }`
[INFO] [stdout] d844c6e15b595cbbd22dfd4e3cae1f6eded3722e1159d4c5ffecdb084ac0a02e