[INFO] cloning repository https://github.com/akars/lazy-pregen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/akars/lazy-pregen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e27f9f4dc0b7e4ce710704dcee836514bf31689
[INFO] testing akars/lazy-pregen against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fakars%2Flazy-pregen" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/akars/lazy-pregen 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/akars/lazy-pregen
[INFO] finished tweaking git repo https://github.com/akars/lazy-pregen
[INFO] tweaked toml for git repo https://github.com/akars/lazy-pregen written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/akars/lazy-pregen 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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6512d54416d828b7eb1b15573f614fccb325d198267202cb5db82cff9f2e9eb1
[INFO] running `Command { std: "docker" "start" "-a" "6512d54416d828b7eb1b15573f614fccb325d198267202cb5db82cff9f2e9eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6512d54416d828b7eb1b15573f614fccb325d198267202cb5db82cff9f2e9eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6512d54416d828b7eb1b15573f614fccb325d198267202cb5db82cff9f2e9eb1", kill_on_drop: false }`
[INFO] [stdout] 6512d54416d828b7eb1b15573f614fccb325d198267202cb5db82cff9f2e9eb1
[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=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] [stdout] 1139dd307d3c704688649c2bcde2bcc5102172323d6e9f4e4ed445cd0400ebf4
[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" "1139dd307d3c704688649c2bcde2bcc5102172323d6e9f4e4ed445cd0400ebf4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling fern v0.5.6
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling ctrlc v3.1.1
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling lazy-pregen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/main.rs:802:77
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter())
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter())
[INFO] [stdout]     |                                                                             ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"]))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^                                                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "1139dd307d3c704688649c2bcde2bcc5102172323d6e9f4e4ed445cd0400ebf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1139dd307d3c704688649c2bcde2bcc5102172323d6e9f4e4ed445cd0400ebf4", kill_on_drop: false }`
[INFO] [stdout] 1139dd307d3c704688649c2bcde2bcc5102172323d6e9f4e4ed445cd0400ebf4
[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=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] [stdout] 3820eeddf6e19598d51d2007d0917d0108f3acb5be55e31446f5ca8583b9d228
[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" "3820eeddf6e19598d51d2007d0917d0108f3acb5be55e31446f5ca8583b9d228", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy-pregen v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/main.rs:802:77
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter())
[INFO] [stdout]     |                                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter())
[INFO] [stdout]     |                                                                             ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 802 |                 .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"]))
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^                                                     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3820eeddf6e19598d51d2007d0917d0108f3acb5be55e31446f5ca8583b9d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3820eeddf6e19598d51d2007d0917d0108f3acb5be55e31446f5ca8583b9d228", kill_on_drop: false }`
[INFO] [stdout] 3820eeddf6e19598d51d2007d0917d0108f3acb5be55e31446f5ca8583b9d228
[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=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] deea5549ae542105771347d97d9e1311bc46c22ab63b7a5cacc39f33b0b812e4
[INFO] running `Command { std: "docker" "start" "-a" "deea5549ae542105771347d97d9e1311bc46c22ab63b7a5cacc39f33b0b812e4", kill_on_drop: false }`
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stderr]    --> src/main.rs:802:77
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].into_iter())
[INFO] [stderr]     |                                                                             ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 .args([&xmx_arg, "-jar", &config.resources.server, "nogui"].iter())
[INFO] [stderr]     |                                                                             ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 802 |                 .args(IntoIterator::into_iter([&xmx_arg, "-jar", &config.resources.server, "nogui"]))
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^                                                     ^
[INFO] [stderr] 
[INFO] [stderr] warning: `lazy-pregen` (bin "lazy-pregen" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lazy_pregen-a180074f13c0d646)
[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" "deea5549ae542105771347d97d9e1311bc46c22ab63b7a5cacc39f33b0b812e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deea5549ae542105771347d97d9e1311bc46c22ab63b7a5cacc39f33b0b812e4", kill_on_drop: false }`
[INFO] [stdout] deea5549ae542105771347d97d9e1311bc46c22ab63b7a5cacc39f33b0b812e4