[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] checking cohama/pfds against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fpfds" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cohama/pfds on toolchain 90442458ac46b1d5eed752c316da25450f67285b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-6/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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-rational v0.1.39 [INFO] [stderr] Downloaded num-complex v0.1.40 [INFO] [stderr] Downloaded num-bigint v0.1.40 [INFO] [stderr] Downloaded stopwatch v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8295dedc0585e2d07838490f2dc6eeb926955d50405bda1be54f64a3390a339b [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" "8295dedc0585e2d07838490f2dc6eeb926955d50405bda1be54f64a3390a339b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8295dedc0585e2d07838490f2dc6eeb926955d50405bda1be54f64a3390a339b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8295dedc0585e2d07838490f2dc6eeb926955d50405bda1be54f64a3390a339b", kill_on_drop: false }` [INFO] [stdout] 8295dedc0585e2d07838490f2dc6eeb926955d50405bda1be54f64a3390a339b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dfa045b44ab5e379181b09dad69a0263aedff1c1de91474fe38cb42ea3447cf [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" "7dfa045b44ab5e379181b09dad69a0263aedff1c1de91474fe38cb42ea3447cf", kill_on_drop: false }` [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking rand v0.3.16 [INFO] [stderr] Checking num-bigint v0.1.40 [INFO] [stderr] Checking num-complex v0.1.40 [INFO] [stderr] Checking num-rational v0.1.39 [INFO] [stderr] Checking num v0.1.40 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 issue #80165 [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 issue #80165 [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 issue #80165 [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] [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] [stderr] error: could not compile `pfds` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 issue #80165 [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 issue #80165 [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 issue #80165 [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: build failed [INFO] running `Command { std: "docker" "inspect" "7dfa045b44ab5e379181b09dad69a0263aedff1c1de91474fe38cb42ea3447cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dfa045b44ab5e379181b09dad69a0263aedff1c1de91474fe38cb42ea3447cf", kill_on_drop: false }` [INFO] [stdout] 7dfa045b44ab5e379181b09dad69a0263aedff1c1de91474fe38cb42ea3447cf