[INFO] fetching crate symbolics_calculus 0.1.5... [INFO] checking symbolics_calculus-0.1.5 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] extracting crate symbolics_calculus 0.1.5 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate symbolics_calculus 0.1.5 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate symbolics_calculus 0.1.5 [INFO] finished tweaking crates.io crate symbolics_calculus 0.1.5 [INFO] tweaked toml for crates.io crate symbolics_calculus 0.1.5 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2530c88b2380a727d136756c76a59ea55ad3cd1f502d71a289b00fab7f6a7ec [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" "a2530c88b2380a727d136756c76a59ea55ad3cd1f502d71a289b00fab7f6a7ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2530c88b2380a727d136756c76a59ea55ad3cd1f502d71a289b00fab7f6a7ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2530c88b2380a727d136756c76a59ea55ad3cd1f502d71a289b00fab7f6a7ec", kill_on_drop: false }` [INFO] [stdout] a2530c88b2380a727d136756c76a59ea55ad3cd1f502d71a289b00fab7f6a7ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1a0c45d73609f2bd45da87ff2c4ec7956ce93423bebdaced43a94bfd886f3d38 [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" "1a0c45d73609f2bd45da87ff2c4ec7956ce93423bebdaced43a94bfd886f3d38", kill_on_drop: false }` [INFO] [stderr] Checking symbolics_core v0.1.5 [INFO] [stderr] Checking symbolics_calculus v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn deriv1>(self, S) -> Self; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: S` [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: unused imports: `apply`, `s` [INFO] [stdout] --> src/lib.rs:3:22 [INFO] [stdout] | [INFO] [stdout] 3 | use symbolics_core::{s, apply}; [INFO] [stdout] | ^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition. [INFO] [stdout] --> src/lib.rs:6:38 [INFO] [stdout] | [INFO] [stdout] 6 | fn deriv1>(self, S) -> Self; [INFO] [stdout] | ^ help: try naming the parameter or explicitly ignoring it: `_: S` [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[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(wrt.as_ref()) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ----^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `String: AsRef<_>` [INFO] [stdout] help: use the fully qualified path for the potential candidates [INFO] [stdout] | [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> src/lib.rs:16:47 [INFO] [stdout] | [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(wrt.as_ref()) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ----^^^^^^-- [INFO] [stdout] | | | [INFO] [stdout] | | cannot infer type for type parameter `T` declared on the trait `AsRef` [INFO] [stdout] | this method call resolves to `&T` [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `String: AsRef<_>` [INFO] [stdout] help: use the fully qualified path for the potential candidates [INFO] [stdout] | [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] 16 | Add(a, b) => a.clone().deriv1(>::as_ref(wrt)) + b.clone().deriv1(wrt.as_ref()), [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `symbolics_calculus` due to 2 previous errors; 1 warning emitted [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1a0c45d73609f2bd45da87ff2c4ec7956ce93423bebdaced43a94bfd886f3d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a0c45d73609f2bd45da87ff2c4ec7956ce93423bebdaced43a94bfd886f3d38", kill_on_drop: false }` [INFO] [stdout] 1a0c45d73609f2bd45da87ff2c4ec7956ce93423bebdaced43a94bfd886f3d38