[INFO] cloning repository https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supercurio/rust-issue-vec-array-iterators-perf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 761bdca66da7c71bc9d06609101c3337fc320d84
[INFO] checking supercurio/rust-issue-vec-array-iterators-perf against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupercurio%2Frust-issue-vec-array-iterators-perf" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] finished tweaking git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf
[INFO] tweaked toml for git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/supercurio/rust-issue-vec-array-iterators-perf already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa898ae7673ca7683fc4f36cacf3cb1824faabf5717dd6837dad1c8a2c8a557
[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" "8aa898ae7673ca7683fc4f36cacf3cb1824faabf5717dd6837dad1c8a2c8a557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa898ae7673ca7683fc4f36cacf3cb1824faabf5717dd6837dad1c8a2c8a557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa898ae7673ca7683fc4f36cacf3cb1824faabf5717dd6837dad1c8a2c8a557", kill_on_drop: false }`
[INFO] [stdout] 8aa898ae7673ca7683fc4f36cacf3cb1824faabf5717dd6837dad1c8a2c8a557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf26fec03f70e3dbe1e9cfcb1f1767c056464d46a05ad4e227c95a56e5a69a7
[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" "2cf26fec03f70e3dbe1e9cfcb1f1767c056464d46a05ad4e227c95a56e5a69a7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking vec-array-iterators-perf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "2cf26fec03f70e3dbe1e9cfcb1f1767c056464d46a05ad4e227c95a56e5a69a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf26fec03f70e3dbe1e9cfcb1f1767c056464d46a05ad4e227c95a56e5a69a7", kill_on_drop: false }`
[INFO] [stdout] 2cf26fec03f70e3dbe1e9cfcb1f1767c056464d46a05ad4e227c95a56e5a69a7