[INFO] cloning repository https://github.com/cohama/pfds [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cohama/pfds" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fpfds", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fpfds'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a81905a7f9b100c348aae02ad954f2a932e25f3d [INFO] testing cohama/pfds against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fpfds" "/workspace/builds/worker-43/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-43/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cohama/pfds on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cohama/pfds [INFO] finished tweaking git repo https://github.com/cohama/pfds [INFO] tweaked toml for git repo https://github.com/cohama/pfds written to /workspace/builds/worker-43/source/Cargo.toml [INFO] crate git repo https://github.com/cohama/pfds already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30978e2d66b1179d62c909f9f95e4863501eadeb0b6d67c1a8952354a7f922a2 [INFO] running `Command { std: "docker" "start" "-a" "30978e2d66b1179d62c909f9f95e4863501eadeb0b6d67c1a8952354a7f922a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30978e2d66b1179d62c909f9f95e4863501eadeb0b6d67c1a8952354a7f922a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30978e2d66b1179d62c909f9f95e4863501eadeb0b6d67c1a8952354a7f922a2", kill_on_drop: false }` [INFO] [stdout] 30978e2d66b1179d62c909f9f95e4863501eadeb0b6d67c1a8952354a7f922a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63bf257492fb5611ec6bed66adcc271ccf2d02dc0ff3b51e7f8989aa7beb8480 [INFO] running `Command { std: "docker" "start" "-a" "63bf257492fb5611ec6bed66adcc271ccf2d02dc0ff3b51e7f8989aa7beb8480", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling num-traits v0.1.40 [INFO] [stderr] Compiling libc v0.2.29 [INFO] [stderr] Compiling rand v0.3.16 [INFO] [stderr] Compiling num-integer v0.1.35 [INFO] [stderr] Compiling num-complex v0.1.40 [INFO] [stderr] Compiling num-iter v0.1.34 [INFO] [stderr] Compiling num-bigint v0.1.40 [INFO] [stderr] Compiling num-rational v0.1.39 [INFO] [stderr] Compiling num v0.1.40 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling pfds v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox` [INFO] [stdout] --> src/impls/redblacktree.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::boxed::FnBox; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/impls/binominalheap2.rs:46:21 [INFO] [stdout] | [INFO] [stdout] 46 | pub type BHeap = (List<(i32, BinominalTree)>); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 46 - pub type BHeap = (List<(i32, BinominalTree)>); [INFO] [stdout] 46 + pub type BHeap = List<(i32, BinominalTree)>; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/impls/redblacktree.rs:39:14 [INFO] [stdout] | [INFO] [stdout] 39 | Func(Box TailRec<'a, T> + 'a>) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> TailRec<'a, T> + 'a` [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/impls/redblacktree.rs:216:37 [INFO] [stdout] | [INFO] [stdout] 216 | ... k: Box, i32, List) -> TailRec<'a, RedBlackTree> + 'a>) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree, i32, List) -> TailRec<'a, RedBlackTree> + 'a` [INFO] [stdout] | [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: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/impls/redblacktree.rs:251:35 [INFO] [stdout] | [INFO] [stdout] 251 | ... k: Box, i32, List) -> RedBlackTree + 'a>) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox(RedBlackTree, i32, List) -> RedBlackTree + 'a` [INFO] [stdout] | [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] error: aborting due to previous error; 4 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 `pfds` due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "63bf257492fb5611ec6bed66adcc271ccf2d02dc0ff3b51e7f8989aa7beb8480", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63bf257492fb5611ec6bed66adcc271ccf2d02dc0ff3b51e7f8989aa7beb8480", kill_on_drop: false }` [INFO] [stdout] 63bf257492fb5611ec6bed66adcc271ccf2d02dc0ff3b51e7f8989aa7beb8480