[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 try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcohama%2Fpfds" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cohama/pfds on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 3b200307cc4ab30e4f385128a6345c98d56bf6c00242ec697348ac87eadd9888 [INFO] running `Command { std: "docker" "start" "-a" "3b200307cc4ab30e4f385128a6345c98d56bf6c00242ec697348ac87eadd9888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b200307cc4ab30e4f385128a6345c98d56bf6c00242ec697348ac87eadd9888", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b200307cc4ab30e4f385128a6345c98d56bf6c00242ec697348ac87eadd9888", kill_on_drop: false }` [INFO] [stdout] 3b200307cc4ab30e4f385128a6345c98d56bf6c00242ec697348ac87eadd9888 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f074b62a40424c49982ef77365cbb1a1780e8b2e8ac05fdd71079a25acf4bf3 [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" "3f074b62a40424c49982ef77365cbb1a1780e8b2e8ac05fdd71079a25acf4bf3", kill_on_drop: false }` [INFO] [stderr] Compiling num-complex v0.1.40 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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 was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [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: 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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3f074b62a40424c49982ef77365cbb1a1780e8b2e8ac05fdd71079a25acf4bf3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f074b62a40424c49982ef77365cbb1a1780e8b2e8ac05fdd71079a25acf4bf3", kill_on_drop: false }` [INFO] [stdout] 3f074b62a40424c49982ef77365cbb1a1780e8b2e8ac05fdd71079a25acf4bf3