[INFO] crate rudp 0.2.1 is already in cache
[INFO] testing rudp-0.2.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rudp 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rudp 0.2.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rudp 0.2.1
[INFO] finished tweaking crates.io crate rudp 0.2.1
[INFO] tweaked toml for crates.io crate rudp 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a136e033025a3f6ef4c1df663426ece3fa6e145a5f7bb5272e24161c8478871
[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" "5a136e033025a3f6ef4c1df663426ece3fa6e145a5f7bb5272e24161c8478871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a136e033025a3f6ef4c1df663426ece3fa6e145a5f7bb5272e24161c8478871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a136e033025a3f6ef4c1df663426ece3fa6e145a5f7bb5272e24161c8478871", kill_on_drop: false }`
[INFO] [stdout] 5a136e033025a3f6ef4c1df663426ece3fa6e145a5f7bb5272e24161c8478871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c71101266c6015ac01bd1e36fbb685c78b1c58c26de8d494de7ab84d0f150ea
[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" "7c71101266c6015ac01bd1e36fbb685c78b1c58c26de8d494de7ab84d0f150ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling rudp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/helper.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub resend_predicate: Box<FnMut(u32, Duration) -> bool>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u32, Duration) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.90s
[INFO] running `Command { std: "docker" "inspect" "7c71101266c6015ac01bd1e36fbb685c78b1c58c26de8d494de7ab84d0f150ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c71101266c6015ac01bd1e36fbb685c78b1c58c26de8d494de7ab84d0f150ea", kill_on_drop: false }`
[INFO] [stdout] 7c71101266c6015ac01bd1e36fbb685c78b1c58c26de8d494de7ab84d0f150ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 997946124e91cb8e99461ed2ca34d4393d37b7f7d3fcd7bb227fde13f27f6960
[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" "997946124e91cb8e99461ed2ca34d4393d37b7f7d3fcd7bb227fde13f27f6960", kill_on_drop: false }`
[INFO] [stderr]    Compiling rudp v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/helper.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub resend_predicate: Box<FnMut(u32, Duration) -> bool>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u32, Duration) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]   --> src/tests.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use rand::{thread_rng, Rng};
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     unresolved import
[INFO] [stdout]    |     help: a similar path exists: `tests::io::sys::rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/helper.rs:42:28
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub resend_predicate: Box<FnMut(u32, Duration) -> bool>,
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(u32, Duration) -> bool`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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 `rudp`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "997946124e91cb8e99461ed2ca34d4393d37b7f7d3fcd7bb227fde13f27f6960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997946124e91cb8e99461ed2ca34d4393d37b7f7d3fcd7bb227fde13f27f6960", kill_on_drop: false }`
[INFO] [stdout] 997946124e91cb8e99461ed2ca34d4393d37b7f7d3fcd7bb227fde13f27f6960