[INFO] fetching crate mice 0.11.0...
[INFO] testing mice-0.11.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate mice 0.11.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate mice 0.11.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mice 0.11.0
[INFO] finished tweaking crates.io crate mice 0.11.0
[INFO] tweaked toml for crates.io crate mice 0.11.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mbot_proc_macro_helpers v0.0.2
[INFO] [stderr]   Downloaded id-arena v2.2.1
[INFO] [stderr]   Downloaded lasso v0.6.0
[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
[INFO] [stderr]   Downloaded stacker v0.1.14
[INFO] [stderr]   Downloaded core_extensions v1.5.2
[INFO] [stderr]   Downloaded quickscope v0.1.6
[INFO] [stderr]   Downloaded psm v0.1.18
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab7f18d408998cd57e5f2add31f8fe8d40be00a8fb1e1d55cc908f665042ab4
[INFO] running `Command { std: "docker" "start" "-a" "eab7f18d408998cd57e5f2add31f8fe8d40be00a8fb1e1d55cc908f665042ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab7f18d408998cd57e5f2add31f8fe8d40be00a8fb1e1d55cc908f665042ab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab7f18d408998cd57e5f2add31f8fe8d40be00a8fb1e1d55cc908f665042ab4", kill_on_drop: false }`
[INFO] [stdout] eab7f18d408998cd57e5f2add31f8fe8d40be00a8fb1e1d55cc908f665042ab4
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d7849f9f01259cdc7d720b024b7da9daf6828e1831444a5b1b7ecb84dd55511
[INFO] running `Command { std: "docker" "start" "-a" "6d7849f9f01259cdc7d720b024b7da9daf6828e1831444a5b1b7ecb84dd55511", 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] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling fixedbitset v0.4.1
[INFO] [stderr]    Compiling core_extensions v1.5.2
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling quickscope v0.1.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling mbot_proc_macro_helpers v0.0.2
[INFO] [stderr]    Compiling mice v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MirEdge`, `MirNode`
[INFO] [stdout]  --> src/mir/check.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{MirEdge, MirGraph, MirNode};
[INFO] [stdout]   |             ^^^^^^^            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]   --> src/mir/stack.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use ::core::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PartialApply`
[INFO] [stdout]    --> src/mir.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     PartialApply,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/mir.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `val`
[INFO] [stdout]    --> src/tree.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub(crate) fn val(&self) -> u8 {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `only_function_deps_for_functions`
[INFO] [stdout]   --> src/mir/check.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statically_resolvable_functions`
[INFO] [stdout]   --> src/mir/check.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg_types`
[INFO] [stdout]   --> src/mir/check.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all`
[INFO] [stdout]   --> src/mir/check.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_index`
[INFO] [stdout]    --> src/mir/stack.rs:621:17
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 node_index: <MirGraph as GraphBase>::NodeId,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "6d7849f9f01259cdc7d720b024b7da9daf6828e1831444a5b1b7ecb84dd55511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d7849f9f01259cdc7d720b024b7da9daf6828e1831444a5b1b7ecb84dd55511", kill_on_drop: false }`
[INFO] [stdout] 6d7849f9f01259cdc7d720b024b7da9daf6828e1831444a5b1b7ecb84dd55511
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad9ce800cf36d296b27fdf0bcb52154d0795714007b67db5a9cf97f44537cb13
[INFO] running `Command { std: "docker" "start" "-a" "ad9ce800cf36d296b27fdf0bcb52154d0795714007b67db5a9cf97f44537cb13", kill_on_drop: false }`
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stdout] warning: unused imports: `MirEdge`, `MirNode`
[INFO] [stdout]  --> src/mir/check.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{MirEdge, MirGraph, MirNode};
[INFO] [stdout]   |             ^^^^^^^            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]   --> src/mir/stack.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use ::core::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PartialApply`
[INFO] [stdout]    --> src/mir.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     PartialApply,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/mir.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `val`
[INFO] [stdout]    --> src/tree.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub(crate) fn val(&self) -> u8 {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `only_function_deps_for_functions`
[INFO] [stdout]   --> src/mir/check.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statically_resolvable_functions`
[INFO] [stdout]   --> src/mir/check.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg_types`
[INFO] [stdout]   --> src/mir/check.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all`
[INFO] [stdout]   --> src/mir/check.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_index`
[INFO] [stdout]    --> src/mir/stack.rs:621:17
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 node_index: <MirGraph as GraphBase>::NodeId,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling mice v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `MirEdge`, `MirNode`
[INFO] [stdout]  --> src/mir/check.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::{MirEdge, MirGraph, MirNode};
[INFO] [stdout]   |             ^^^^^^^            ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TryFrom`
[INFO] [stdout]   --> src/mir/stack.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use ::core::convert::{TryFrom, TryInto};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:12:37
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:25:36
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `graph`
[INFO] [stdout]   --> src/mir/check.rs:30:14
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PartialApply`
[INFO] [stdout]    --> src/mir.rs:240:5
[INFO] [stdout]     |
[INFO] [stdout] 240 |     PartialApply,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/mir.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 | #[derive(Debug, Clone)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `val`
[INFO] [stdout]    --> src/tree.rs:265:19
[INFO] [stdout]     |
[INFO] [stdout] 265 |     pub(crate) fn val(&self) -> u8 {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `only_function_deps_for_functions`
[INFO] [stdout]   --> src/mir/check.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `statically_resolvable_functions`
[INFO] [stdout]   --> src/mir/check.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `arg_types`
[INFO] [stdout]   --> src/mir/check.rs:30:4
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all`
[INFO] [stdout]   --> src/mir/check.rs:34:15
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> {
[INFO] [stdout]    |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `node_index`
[INFO] [stdout]    --> src/mir/stack.rs:621:17
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 node_index: <MirGraph as GraphBase>::NodeId,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 13.03s
[INFO] running `Command { std: "docker" "inspect" "ad9ce800cf36d296b27fdf0bcb52154d0795714007b67db5a9cf97f44537cb13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9ce800cf36d296b27fdf0bcb52154d0795714007b67db5a9cf97f44537cb13", kill_on_drop: false }`
[INFO] [stdout] ad9ce800cf36d296b27fdf0bcb52154d0795714007b67db5a9cf97f44537cb13
[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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3ba8203ad24d9567b08aeb92cdda301dc15ef341942a0d6dc2078a97a744b26
[INFO] running `Command { std: "docker" "start" "-a" "c3ba8203ad24d9567b08aeb92cdda301dc15ef341942a0d6dc2078a97a744b26", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `MirEdge`, `MirNode`
[INFO] [stdout] 
[INFO] [stderr]  --> src/mir/check.rs:7:13
[INFO] [stdout] running 13 tests
[INFO] [stderr]   |
[INFO] [stderr] 7 | use super::{MirEdge, MirGraph, MirNode};
[INFO] [stderr]   |             ^^^^^^^            ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFrom`
[INFO] [stderr]   --> src/mir/stack.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 | use ::core::convert::{TryFrom, TryInto};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/mir/check.rs:12:37
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stderr]    |                                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/mir/check.rs:25:36
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stderr]    |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `graph`
[INFO] [stderr]   --> src/mir/check.rs:30:14
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stderr]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_graph`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `PartialApply`
[INFO] [stderr]    --> src/mir.rs:240:5
[INFO] [stderr]     |
[INFO] [stderr] 240 |     PartialApply,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `MirNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/mir.rs:210:10
[INFO] [stderr]     |
[INFO] [stderr] 210 | #[derive(Debug, Clone)]
[INFO] [stderr]     |          ^^^^^  ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `val`
[INFO] [stderr]    --> src/tree.rs:265:19
[INFO] [stderr]     |
[INFO] [stderr] 265 |     pub(crate) fn val(&self) -> u8 {
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `only_function_deps_for_functions`
[INFO] [stderr]   --> src/mir/check.rs:12:4
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn only_function_deps_for_functions(graph: &MirGraph) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `statically_resolvable_functions`
[INFO] [stderr]   --> src/mir/check.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn statically_resolvable_functions(graph: &MirGraph) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `arg_types`
[INFO] [stderr]   --> src/mir/check.rs:30:4
[INFO] [stderr]    |
[INFO] [stderr] 30 | fn arg_types(graph: &MirGraph) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `all`
[INFO] [stderr]   --> src/mir/check.rs:34:15
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub(super) fn all(graph: &MirGraph) -> Result<(), Vec<&'static str>> {
[INFO] [stderr]    |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `node_index`
[INFO] [stderr]    --> src/mir/stack.rs:621:17
[INFO] [stderr]     |
[INFO] [stderr] 621 |                 node_index: <MirGraph as GraphBase>::NodeId,
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mice` (lib) generated 12 warnings
[INFO] [stderr] warning: `mice` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mice-82df4dd08a9177cf)
[INFO] [stdout] test tests::test_one_side ... ok
[INFO] [stdout] test tests::test_keeping_highest_dice ... ok
[INFO] [stdout] test tests::test_max_sides ... ok
[INFO] [stdout] test tests::test_leading_whitespace ... ok
[INFO] [stdout] test tests::test_trailing_whitespace ... ok
[INFO] [stdout] test tests::test_mixed_whitespace ... ok
[INFO] [stdout] test tests::test_maturity ... ok
[INFO] [stdout] test tests::test_zero_sides ... ok
[INFO] [stdout] test tests::test_arithmetic ... ok
[INFO] [stdout] test tests::test_basic_expressions ... ok
[INFO] [stdout] test tree::it_works ... ok
[INFO] [stdout] test tree::postorder ... ok
[INFO] [stdout] test mir::stack::tests::multiple_dependents - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mice
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/tree.rs - tree::for_ (line 285) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3ba8203ad24d9567b08aeb92cdda301dc15ef341942a0d6dc2078a97a744b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ba8203ad24d9567b08aeb92cdda301dc15ef341942a0d6dc2078a97a744b26", kill_on_drop: false }`
[INFO] [stdout] c3ba8203ad24d9567b08aeb92cdda301dc15ef341942a0d6dc2078a97a744b26