[INFO] fetching crate subranges 0.1.0...
[INFO] testing subranges-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate subranges 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate subranges 0.1.0 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 subranges 0.1.0
[INFO] finished tweaking crates.io crate subranges 0.1.0
[INFO] tweaked toml for crates.io crate subranges 0.1.0 written to /workspace/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67b38d3637a30139a9b966046a43477a832ac1fefeb0eb9f8a073929d1385653
[INFO] running `Command { std: "docker" "start" "-a" "67b38d3637a30139a9b966046a43477a832ac1fefeb0eb9f8a073929d1385653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67b38d3637a30139a9b966046a43477a832ac1fefeb0eb9f8a073929d1385653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b38d3637a30139a9b966046a43477a832ac1fefeb0eb9f8a073929d1385653", kill_on_drop: false }`
[INFO] [stdout] 67b38d3637a30139a9b966046a43477a832ac1fefeb0eb9f8a073929d1385653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 9c078fb68ae5e2b3d06e15ecf9dfa3efa78af7676ea1bf650dca8247e0f60b14
[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" "9c078fb68ae5e2b3d06e15ecf9dfa3efa78af7676ea1bf650dca8247e0f60b14", kill_on_drop: false }`
[INFO] [stderr]    Compiling subranges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "9c078fb68ae5e2b3d06e15ecf9dfa3efa78af7676ea1bf650dca8247e0f60b14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c078fb68ae5e2b3d06e15ecf9dfa3efa78af7676ea1bf650dca8247e0f60b14", kill_on_drop: false }`
[INFO] [stdout] 9c078fb68ae5e2b3d06e15ecf9dfa3efa78af7676ea1bf650dca8247e0f60b14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 210aa50a3c18740bd66e09e1baa43ce7d4be79e2f6c3e70389e1deaa117c8916
[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" "210aa50a3c18740bd66e09e1baa43ce7d4be79e2f6c3e70389e1deaa117c8916", kill_on_drop: false }`
[INFO] [stderr]    Compiling subranges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `IntervalsCollection` in the current scope
[INFO] [stdout]   --> src/collection.rs:87:45
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct IntervalsCollection {
[INFO] [stdout]    | ------------------------------ function or associated item `new` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 87 |         let mut coll = IntervalsCollection::new();
[INFO] [stdout]    |                                             ^^^ function or associated item not found in `IntervalsCollection`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `subranges`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "210aa50a3c18740bd66e09e1baa43ce7d4be79e2f6c3e70389e1deaa117c8916", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "210aa50a3c18740bd66e09e1baa43ce7d4be79e2f6c3e70389e1deaa117c8916", kill_on_drop: false }`
[INFO] [stdout] 210aa50a3c18740bd66e09e1baa43ce7d4be79e2f6c3e70389e1deaa117c8916