[INFO] fetching crate rudp 0.2.1... [INFO] testing rudp-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate rudp 0.2.1 into /workspace/builds/worker-28/source [INFO] validating manifest of crates.io crate rudp 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-28/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d1c62b96fba80e9bada498807d8ffe0134ab117442a37c1ceaf7020a30a17c59 [INFO] running `Command { std: "docker" "start" "-a" "d1c62b96fba80e9bada498807d8ffe0134ab117442a37c1ceaf7020a30a17c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d1c62b96fba80e9bada498807d8ffe0134ab117442a37c1ceaf7020a30a17c59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d1c62b96fba80e9bada498807d8ffe0134ab117442a37c1ceaf7020a30a17c59", kill_on_drop: false }` [INFO] [stdout] d1c62b96fba80e9bada498807d8ffe0134ab117442a37c1ceaf7020a30a17c59 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 40cfaf607cabda228db19faac29b39cf3dc152fbee3f92862f1088f52f85d09d [INFO] running `Command { std: "docker" "start" "-a" "40cfaf607cabda228db19faac29b39cf3dc152fbee3f92862f1088f52f85d09d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling quote v0.6.13 [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 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/helper.rs:99:29 [INFO] [stdout] | [INFO] [stdout] 99 | fn send_written(&mut self, Guarantee) -> io::Result; [INFO] [stdout] | ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Guarantee` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.71s [INFO] running `Command { std: "docker" "inspect" "40cfaf607cabda228db19faac29b39cf3dc152fbee3f92862f1088f52f85d09d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "40cfaf607cabda228db19faac29b39cf3dc152fbee3f92862f1088f52f85d09d", kill_on_drop: false }` [INFO] [stdout] 40cfaf607cabda228db19faac29b39cf3dc152fbee3f92862f1088f52f85d09d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c81df433b2b33f340db07857277e9f616e78f22cb2cfd181c0fa9d6fce155dc [INFO] running `Command { std: "docker" "start" "-a" "9c81df433b2b33f340db07857277e9f616e78f22cb2cfd181c0fa9d6fce155dc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling slab v0.4.5 [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 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/helper.rs:99:29 [INFO] [stdout] | [INFO] [stdout] 99 | fn send_written(&mut self, Guarantee) -> io::Result; [INFO] [stdout] | ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Guarantee` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling rudp v0.2.1 (/opt/rustwide/workdir) [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] | ^^^^ maybe a missing crate `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 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] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition [INFO] [stdout] --> src/helper.rs:99:29 [INFO] [stdout] | [INFO] [stdout] 99 | fn send_written(&mut self, Guarantee) -> io::Result; [INFO] [stdout] | ^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Guarantee` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(anonymous_parameters)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #41686 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings 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` due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "9c81df433b2b33f340db07857277e9f616e78f22cb2cfd181c0fa9d6fce155dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c81df433b2b33f340db07857277e9f616e78f22cb2cfd181c0fa9d6fce155dc", kill_on_drop: false }` [INFO] [stdout] 9c81df433b2b33f340db07857277e9f616e78f22cb2cfd181c0fa9d6fce155dc