[INFO] fetching crate tange-collection 0.1.2... [INFO] checking tange-collection-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tange-collection 0.1.2 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate tange-collection 0.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tange-collection 0.1.2 [INFO] finished tweaking crates.io crate tange-collection 0.1.2 [INFO] tweaked toml for crates.io crate tange-collection 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding indexmap v0.4.1 (latest: v2.2.6) [INFO] [stderr] Adding priority-queue v0.5.4 (latest: v2.0.2) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding snap v0.2.5 (latest: v1.1.1) [INFO] [stderr] Adding uuid v0.6.5 (latest: v1.8.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded indexmap v0.4.1 [INFO] [stderr] Downloaded priority-queue v0.5.4 [INFO] [stderr] Downloaded jobpool v0.3.8 [INFO] [stderr] Downloaded tange v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c027d285361adebc2b3c067c29b0233fd40dd90bdd1aa87f096c681112f26aac [INFO] running `Command { std: "docker" "start" "-a" "c027d285361adebc2b3c067c29b0233fd40dd90bdd1aa87f096c681112f26aac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c027d285361adebc2b3c067c29b0233fd40dd90bdd1aa87f096c681112f26aac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c027d285361adebc2b3c067c29b0233fd40dd90bdd1aa87f096c681112f26aac", kill_on_drop: false }` [INFO] [stdout] c027d285361adebc2b3c067c29b0233fd40dd90bdd1aa87f096c681112f26aac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c24e33d5bd2f2d1aa406f0f995914976ae82c89728b277d5ec3c6e7cbaef4dfb [INFO] running `Command { std: "docker" "start" "-a" "c24e33d5bd2f2d1aa406f0f995914976ae82c89728b277d5ec3c6e7cbaef4dfb", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Checking indexmap v0.4.1 [INFO] [stderr] Checking jobpool v0.3.8 [INFO] [stderr] Checking snap v0.2.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking priority-queue v0.5.4 [INFO] [stderr] Checking tange v0.1.1 [INFO] [stderr] Checking uuid v0.6.5 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tange-collection v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/mod.rs:18:52 [INFO] [stdout] | [INFO] [stdout] 18 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()), [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/memory.rs:169:56 [INFO] [stdout] | [INFO] [stdout] 169 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 169 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/memory.rs:197:56 [INFO] [stdout] | [INFO] [stdout] 197 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 197 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/mod.rs:18:52 [INFO] [stdout] | [INFO] [stdout] 18 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()), [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 18 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()), [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/memory.rs:169:56 [INFO] [stdout] | [INFO] [stdout] 169 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 169 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/memory.rs:197:56 [INFO] [stdout] | [INFO] [stdout] 197 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 197 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/disk.rs:199:56 [INFO] [stdout] | [INFO] [stdout] 199 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 199 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/collection/disk.rs:199:56 [INFO] [stdout] | [INFO] [stdout] 199 | F: 'static + Sync + Send + Clone + Fn(&A, &mut FnMut(B) -> ()) [INFO] [stdout] | ^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 199 | F: 'static + Sync + Send + Clone + Fn(&A, &mut dyn FnMut(B) -> ()) [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.60s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4` [INFO] running `Command { std: "docker" "inspect" "c24e33d5bd2f2d1aa406f0f995914976ae82c89728b277d5ec3c6e7cbaef4dfb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c24e33d5bd2f2d1aa406f0f995914976ae82c89728b277d5ec3c6e7cbaef4dfb", kill_on_drop: false }` [INFO] [stdout] c24e33d5bd2f2d1aa406f0f995914976ae82c89728b277d5ec3c6e7cbaef4dfb