[INFO] fetching crate arrayvec 0.5.2...
[INFO] checking arrayvec-0.5.2 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate arrayvec 0.5.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arrayvec 0.5.2 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arrayvec 0.5.2
[INFO] finished tweaking crates.io crate arrayvec 0.5.2
[INFO] tweaked toml for crates.io crate arrayvec 0.5.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2790b552be32e3280d3ea4ede9b1535ff1b4643222b30802fbc63b6c704af60c
[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" "2790b552be32e3280d3ea4ede9b1535ff1b4643222b30802fbc63b6c704af60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2790b552be32e3280d3ea4ede9b1535ff1b4643222b30802fbc63b6c704af60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2790b552be32e3280d3ea4ede9b1535ff1b4643222b30802fbc63b6c704af60c", kill_on_drop: false }`
[INFO] [stdout] 2790b552be32e3280d3ea4ede9b1535ff1b4643222b30802fbc63b6c704af60c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b6e591d739b6bb2dc06797a2a335d5ff96115bf46381bb9caa0f8c0dc0b4da5
[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" "2b6e591d739b6bb2dc06797a2a335d5ff96115bf46381bb9caa0f8c0dc0b4da5", kill_on_drop: false }`
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking arrayvec v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_test v1.0.117
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.00s
[INFO] running `Command { std: "docker" "inspect" "2b6e591d739b6bb2dc06797a2a335d5ff96115bf46381bb9caa0f8c0dc0b4da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6e591d739b6bb2dc06797a2a335d5ff96115bf46381bb9caa0f8c0dc0b4da5", kill_on_drop: false }`
[INFO] [stdout] 2b6e591d739b6bb2dc06797a2a335d5ff96115bf46381bb9caa0f8c0dc0b4da5