[INFO] fetching crate ignite 0.1.6...
[INFO] testing ignite-0.1.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate ignite 0.1.6 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ignite 0.1.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ignite 0.1.6
[INFO] finished tweaking crates.io crate ignite 0.1.6
[INFO] tweaked toml for crates.io crate ignite 0.1.6 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de5cadcb612423d79547c321b445cd59b66088e5ebf47398cb5d7118ca63722f
[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" "de5cadcb612423d79547c321b445cd59b66088e5ebf47398cb5d7118ca63722f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de5cadcb612423d79547c321b445cd59b66088e5ebf47398cb5d7118ca63722f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5cadcb612423d79547c321b445cd59b66088e5ebf47398cb5d7118ca63722f", kill_on_drop: false }`
[INFO] [stdout] de5cadcb612423d79547c321b445cd59b66088e5ebf47398cb5d7118ca63722f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954f0f844d494a1abe47510f9a678c517e23ddff22d274961cbbd22b8b4d91be
[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" "954f0f844d494a1abe47510f9a678c517e23ddff22d274961cbbd22b8b4d91be", kill_on_drop: false }`
[INFO] [stderr]    Compiling snap v0.2.5
[INFO] [stderr]    Compiling ignite v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "954f0f844d494a1abe47510f9a678c517e23ddff22d274961cbbd22b8b4d91be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954f0f844d494a1abe47510f9a678c517e23ddff22d274961cbbd22b8b4d91be", kill_on_drop: false }`
[INFO] [stdout] 954f0f844d494a1abe47510f9a678c517e23ddff22d274961cbbd22b8b4d91be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b99ea7aa0b8ee01527f526d2f06f2332d24e3f326aa0bc3cba78e6e63a71a6a
[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" "9b99ea7aa0b8ee01527f526d2f06f2332d24e3f326aa0bc3cba78e6e63a71a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ignite v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]  --> src/benches/log.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use test::Bencher;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     unresolved import
[INFO] [stdout]   |     help: a similar path exists: `benches::log::test::test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of unstable library feature 'test': `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]  --> src/benches/log.rs:4:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[bench]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ignite`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9b99ea7aa0b8ee01527f526d2f06f2332d24e3f326aa0bc3cba78e6e63a71a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b99ea7aa0b8ee01527f526d2f06f2332d24e3f326aa0bc3cba78e6e63a71a6a", kill_on_drop: false }`
[INFO] [stdout] 9b99ea7aa0b8ee01527f526d2f06f2332d24e3f326aa0bc3cba78e6e63a71a6a