[INFO] fetching crate algar 0.4.1... [INFO] checking algar-0.4.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] extracting crate algar 0.4.1 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate algar 0.4.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate algar 0.4.1 [INFO] tweaked toml for crates.io crate algar 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate algar 0.4.1 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate algar 0.4.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8667a9977c1ef90c183d4593e8fc576c2a2cfc299a2e39de214d486c86701ec7 [INFO] running `Command { std: "docker" "start" "-a" "8667a9977c1ef90c183d4593e8fc576c2a2cfc299a2e39de214d486c86701ec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8667a9977c1ef90c183d4593e8fc576c2a2cfc299a2e39de214d486c86701ec7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8667a9977c1ef90c183d4593e8fc576c2a2cfc299a2e39de214d486c86701ec7", kill_on_drop: false }` [INFO] [stdout] 8667a9977c1ef90c183d4593e8fc576c2a2cfc299a2e39de214d486c86701ec7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5225d2608c9c49a2c99bdcffddb9d6232ae2cd8c52b9265b5eab96fe79c0fce5 [INFO] running `Command { std: "docker" "start" "-a" "5225d2608c9c49a2c99bdcffddb9d6232ae2cd8c52b9265b5eab96fe79c0fce5", kill_on_drop: false }` [INFO] [stderr] Checking algar v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] error: struct `Expr` is never constructed [INFO] [stdout] --> examples/expression_problem/1_expr_base_b.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub struct Expr(Coproduct); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `algar` (example "1_expr_base_b") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: struct `Expr` is never constructed [INFO] [stdout] --> examples/expression_problem/2_expr_coproduct_of_functors.rs:23:12 [INFO] [stdout] | [INFO] [stdout] 23 | pub struct Expr(Box>); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: struct `MulExpr` is never constructed [INFO] [stdout] --> examples/expression_problem/2_expr_coproduct_of_functors.rs:80:12 [INFO] [stdout] | [INFO] [stdout] 80 | pub struct MulExpr(Box>); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `algar` (example "2_expr_coproduct_of_functors") due to 2 previous errors [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | d: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 46 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 46 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | a: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 59 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | c: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 72 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn r#move(d: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | pub fn r#move(d: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn turn(a: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | pub fn turn(a: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn set_pen_color(c: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub fn set_pen_color(c: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | d: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 46 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 46 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:58:8 [INFO] [stdout] | [INFO] [stdout] 58 | a: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 59 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 59 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/helpers.rs:71:8 [INFO] [stdout] | [INFO] [stdout] 71 | c: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] 72 | ) -> StateT, String>>> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 72 | ) -> StateT<'_, Turtle, ResultT, String>>> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:8:18 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn r#move(d: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | pub fn r#move(d: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn turn(a: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 12 | pub fn turn(a: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> examples/turtle/model/turtleM.rs:16:25 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn set_pen_color(c: &str) -> TurtleM<()> { [INFO] [stdout] | ^^^^ ^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 16 | pub fn set_pen_color(c: &str) -> TurtleM<'_, ()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5225d2608c9c49a2c99bdcffddb9d6232ae2cd8c52b9265b5eab96fe79c0fce5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5225d2608c9c49a2c99bdcffddb9d6232ae2cd8c52b9265b5eab96fe79c0fce5", kill_on_drop: false }` [INFO] [stdout] 5225d2608c9c49a2c99bdcffddb9d6232ae2cd8c52b9265b5eab96fe79c0fce5