[INFO] cloning repository https://github.com/jroesch/molten
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jroesch/molten" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de57629d7b02e0fdf851804306bee2679520855d
[INFO] testing jroesch/molten against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjroesch%2Fmolten" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jroesch/molten on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jroesch/molten
[INFO] finished tweaking git repo https://github.com/jroesch/molten
[INFO] tweaked toml for git repo https://github.com/jroesch/molten written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/jroesch/molten already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9a8fe67739f8990fb224da6ee70d62beb7febc3f881a0476c41633ae26b0b22
[INFO] running `Command { std: "docker" "start" "-a" "b9a8fe67739f8990fb224da6ee70d62beb7febc3f881a0476c41633ae26b0b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9a8fe67739f8990fb224da6ee70d62beb7febc3f881a0476c41633ae26b0b22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9a8fe67739f8990fb224da6ee70d62beb7febc3f881a0476c41633ae26b0b22", kill_on_drop: false }`
[INFO] [stdout] b9a8fe67739f8990fb224da6ee70d62beb7febc3f881a0476c41633ae26b0b22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef9fcd1a5b8a36c61e1e2cbf71e98b5719d5d2804d61f3fbdc8686706fc17d40
[INFO] running `Command { std: "docker" "start" "-a" "ef9fcd1a5b8a36c61e1e2cbf71e98b5719d5d2804d61f3fbdc8686706fc17d40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling molten v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hlist.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FnMut`, `Fn`
[INFO] [stdout]  --> src/poly.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stdout]   |                ^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hlist::*`
[INFO] [stdout]  --> src/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `headOption`
[INFO] [stdout]   --> src/poly.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct headOption;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `size`
[INFO] [stdout]   --> src/poly.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct size;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "ef9fcd1a5b8a36c61e1e2cbf71e98b5719d5d2804d61f3fbdc8686706fc17d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef9fcd1a5b8a36c61e1e2cbf71e98b5719d5d2804d61f3fbdc8686706fc17d40", kill_on_drop: false }`
[INFO] [stdout] ef9fcd1a5b8a36c61e1e2cbf71e98b5719d5d2804d61f3fbdc8686706fc17d40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be8bc1201ad1a1c848dd8f790219a6313dd9e6a2f30ecafc6563099d40270f6c
[INFO] running `Command { std: "docker" "start" "-a" "be8bc1201ad1a1c848dd8f790219a6313dd9e6a2f30ecafc6563099d40270f6c", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hlist.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling molten v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `FnMut`, `Fn`
[INFO] [stdout]  --> src/poly.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stdout]   |                ^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hlist::*`
[INFO] [stdout]  --> src/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `headOption`
[INFO] [stdout]   --> src/poly.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct headOption;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `size`
[INFO] [stdout]   --> src/poly.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct size;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `point`
[INFO] [stdout]   --> tests/tests.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let point = Point { x: 0, y: 0 };
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `x`
[INFO] [stdout]  --> tests/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     x: i32,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> tests/tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     y: i32
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_generic_point`
[INFO] [stdout]   --> tests/tests.rs:15:4
[INFO] [stdout]    |
[INFO] [stdout] 15 | fn test_generic_point() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/tests.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hlist.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `FnMut`, `Fn`
[INFO] [stdout]  --> src/poly.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stdout]   |                ^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hlist::*`
[INFO] [stdout]  --> src/tuple.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hlist::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/poly.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let x = singleton(10);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/poly.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     let y = singleton("hello");
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `headOption`
[INFO] [stdout]   --> src/poly.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct headOption;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `size`
[INFO] [stdout]   --> src/poly.rs:59:8
[INFO] [stdout]    |
[INFO] [stdout] 59 | struct size;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(type_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "be8bc1201ad1a1c848dd8f790219a6313dd9e6a2f30ecafc6563099d40270f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be8bc1201ad1a1c848dd8f790219a6313dd9e6a2f30ecafc6563099d40270f6c", kill_on_drop: false }`
[INFO] [stdout] be8bc1201ad1a1c848dd8f790219a6313dd9e6a2f30ecafc6563099d40270f6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9c78710c22c293fc2cf039a19094eb286f5c22be17e43151192b0cb5702bc8f
[INFO] running `Command { std: "docker" "start" "-a" "d9c78710c22c293fc2cf039a19094eb286f5c22be17e43151192b0cb5702bc8f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/hlist.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         try!(self.0.fmt(fmt)); self.1.fmt(fmt)
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `FnMut`, `Fn`
[INFO] [stderr]  --> src/poly.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ops::{Fn, FnMut, FnOnce};
[INFO] [stderr]   |                ^^  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `hlist::*`
[INFO] [stderr]  --> src/tuple.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use hlist::*;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `headOption`
[INFO] [stderr]   --> src/poly.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct headOption;
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `size`
[INFO] [stderr]   --> src/poly.rs:59:8
[INFO] [stderr]    |
[INFO] [stderr] 59 | struct size;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:3:12
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(type_macros)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `molten` (lib) generated 6 warnings
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/poly.rs:63:9
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let x = singleton(10);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/poly.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let y = singleton("hello");
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `point`
[INFO] [stderr]   --> tests/tests.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let point = Point { x: 0, y: 0 };
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_point`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `x`
[INFO] [stderr]  --> tests/tests.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     x: i32,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `y`
[INFO] [stderr]  --> tests/tests.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     y: i32
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_generic_point`
[INFO] [stderr]   --> tests/tests.rs:15:4
[INFO] [stderr]    |
[INFO] [stderr] 15 | fn test_generic_point() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `type_macros` has been stable since 1.13.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> tests/tests.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_macros)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `molten` (lib test) generated 8 warnings (6 duplicates)
[INFO] [stderr] warning: `molten` (test "tests") generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 59.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/molten-b5c25e10153d4a58)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test poly::test_singleton ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-abb26b99e7d70b78)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests molten
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d9c78710c22c293fc2cf039a19094eb286f5c22be17e43151192b0cb5702bc8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c78710c22c293fc2cf039a19094eb286f5c22be17e43151192b0cb5702bc8f", kill_on_drop: false }`
[INFO] [stdout] d9c78710c22c293fc2cf039a19094eb286f5c22be17e43151192b0cb5702bc8f