[INFO] cloning repository https://github.com/juhnowski/rust_arrays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juhnowski/rust_arrays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust_arrays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust_arrays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ce4d96a989242c6ed3a3cf035076d89d89d6b55
[INFO] testing juhnowski/rust_arrays against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust_arrays" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juhnowski/rust_arrays on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/juhnowski/rust_arrays
[INFO] finished tweaking git repo https://github.com/juhnowski/rust_arrays
[INFO] tweaked toml for git repo https://github.com/juhnowski/rust_arrays written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/juhnowski/rust_arrays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bcae9c26e06fa562901771cd2eee969c6e776276d7c94999327a4c0b2451274
[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" "4bcae9c26e06fa562901771cd2eee969c6e776276d7c94999327a4c0b2451274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bcae9c26e06fa562901771cd2eee969c6e776276d7c94999327a4c0b2451274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bcae9c26e06fa562901771cd2eee969c6e776276d7c94999327a4c0b2451274", kill_on_drop: false }`
[INFO] [stdout] 4bcae9c26e06fa562901771cd2eee969c6e776276d7c94999327a4c0b2451274
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] ad19dcf4aedf7f89ddc45ef3d2ef3738e26f23276c7a785dd8b255ca9ac30a23
[INFO] running `Command { std: "docker" "start" "-a" "ad19dcf4aedf7f89ddc45ef3d2ef3738e26f23276c7a785dd8b255ca9ac30a23", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "ad19dcf4aedf7f89ddc45ef3d2ef3738e26f23276c7a785dd8b255ca9ac30a23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad19dcf4aedf7f89ddc45ef3d2ef3738e26f23276c7a785dd8b255ca9ac30a23", kill_on_drop: false }`
[INFO] [stdout] ad19dcf4aedf7f89ddc45ef3d2ef3738e26f23276c7a785dd8b255ca9ac30a23
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 82f3a1fb6c16eb72409c18cd88517e72884192e1d30e5931e3034febaaef2ae7
[INFO] running `Command { std: "docker" "start" "-a" "82f3a1fb6c16eb72409c18cd88517e72884192e1d30e5931e3034febaaef2ae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "82f3a1fb6c16eb72409c18cd88517e72884192e1d30e5931e3034febaaef2ae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f3a1fb6c16eb72409c18cd88517e72884192e1d30e5931e3034febaaef2ae7", kill_on_drop: false }`
[INFO] [stdout] 82f3a1fb6c16eb72409c18cd88517e72884192e1d30e5931e3034febaaef2ae7
[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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 9bf9ad891fe42d5df19219464f400649b256c292d650e0c252255d093a67cf56
[INFO] running `Command { std: "docker" "start" "-a" "9bf9ad891fe42d5df19219464f400649b256c292d650e0c252255d093a67cf56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/arrays-1ca7977738f93216)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9bf9ad891fe42d5df19219464f400649b256c292d650e0c252255d093a67cf56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf9ad891fe42d5df19219464f400649b256c292d650e0c252255d093a67cf56", kill_on_drop: false }`
[INFO] [stdout] 9bf9ad891fe42d5df19219464f400649b256c292d650e0c252255d093a67cf56