[INFO] fetching crate match_type 0.1.5...
[INFO] testing match_type-0.1.5 against 1.91.0 for beta-1.92-2
[INFO] extracting crate match_type 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate match_type 0.1.5
[INFO] finished tweaking crates.io crate match_type 0.1.5
[INFO] tweaked toml for crates.io crate match_type 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate match_type 0.1.5 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate match_type 0.1.5 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f574f8f44deba32b106e33eed22682f675f261c054ec80c5fd5d45f52a8f346
[INFO] running `Command { std: "docker" "start" "-a" "0f574f8f44deba32b106e33eed22682f675f261c054ec80c5fd5d45f52a8f346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f574f8f44deba32b106e33eed22682f675f261c054ec80c5fd5d45f52a8f346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f574f8f44deba32b106e33eed22682f675f261c054ec80c5fd5d45f52a8f346", kill_on_drop: false }`
[INFO] [stdout] 0f574f8f44deba32b106e33eed22682f675f261c054ec80c5fd5d45f52a8f346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e212a3b5a5212669aecbfe80f3b05ab9b21687001787132a268a1901cdd0f5e
[INFO] running `Command { std: "docker" "start" "-a" "8e212a3b5a5212669aecbfe80f3b05ab9b21687001787132a268a1901cdd0f5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling match_type v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.87s
[INFO] running `Command { std: "docker" "inspect" "8e212a3b5a5212669aecbfe80f3b05ab9b21687001787132a268a1901cdd0f5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e212a3b5a5212669aecbfe80f3b05ab9b21687001787132a268a1901cdd0f5e", kill_on_drop: false }`
[INFO] [stdout] 8e212a3b5a5212669aecbfe80f3b05ab9b21687001787132a268a1901cdd0f5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2701882b63494cb219ad25321e1fcfc8047e457be29bbb8e2412238ecc2edce
[INFO] running `Command { std: "docker" "start" "-a" "f2701882b63494cb219ad25321e1fcfc8047e457be29bbb8e2412238ecc2edce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling match_type v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> examples/experiments.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let c = vec![1, 2, 3, 4, 5];
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> examples/experiments2.rs:161:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | /         (MatchTypeWrapper0($e)
[INFO] [stdout] 139 | |             .match_type_w0()
[INFO] [stdout] 140 | |             .match_type_w1()
[INFO] [stdout] 141 | |             .match_type_w2()
[INFO] [stdout] 142 | |             .match_type_finish())
[INFO] [stdout]     | |_________________________________- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 161 |       let z = m!(&s);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `as_string`
[INFO] [stdout]   --> examples/playground.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 | macro_rules! as_string {
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/as_string.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Foo(u32);
[INFO] [stdout]    |        --- ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `w3` is never used
[INFO] [stdout]   --> examples/experiments3.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl<T> Done<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn w3(self) -> Self {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]    --> examples/experiments2.rs:149:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let q = MatchTypeWrapper0(vec![1, 2, 3])
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> examples/experiments2.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let s = S();
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> examples/experiments2.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |     let x = m!(&i);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> examples/experiments2.rs:160:9
[INFO] [stdout]     |
[INFO] [stdout] 160 |     let y = m!(&v);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> examples/experiments2.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 |     let z = m!(&s);
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MatchTypeMatch1` is never used
[INFO] [stdout]   --> examples/experiments2.rs:58:7
[INFO] [stdout]    |
[INFO] [stdout] 58 | trait MatchTypeMatch1 {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `match_type_w1` is never used
[INFO] [stdout]   --> examples/experiments2.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | impl<T: MatchTypeMatch1> MatchTypeWrapper1<T> {
[INFO] [stdout]    | --------------------------------------------- method in this implementation
[INFO] [stdout] 66 |     fn match_type_w1(self) -> MatchTypeDone<<T as MatchTypeMatch1>::MatchTypeReturnType> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MatchTypeMatch2` is never used
[INFO] [stdout]   --> examples/experiments2.rs:93:7
[INFO] [stdout]    |
[INFO] [stdout] 93 | trait MatchTypeMatch2 {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `match_type_w2` is never used
[INFO] [stdout]    --> examples/experiments2.rs:101:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | impl<T: MatchTypeMatch2> MatchTypeWrapper2<T> {
[INFO] [stdout]     | --------------------------------------------- method in this implementation
[INFO] [stdout] 101 |     fn match_type_w2(self) -> MatchTypeDone<<T as MatchTypeMatch2>::MatchTypeReturnType> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `w3` is never used
[INFO] [stdout]   --> examples/experiments4.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout]  3 | impl<T> Done<T> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 10 |     fn w3(self) -> Self {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `A` is never constructed
[INFO] [stdout]   --> examples/playground.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 | struct A;
[INFO] [stdout]    |        ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `B` is never constructed
[INFO] [stdout]   --> examples/playground.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct B;
[INFO] [stdout]    |        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arm0` is never used
[INFO] [stdout]  --> examples/experiments5.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | impl<T> Done<T> {
[INFO] [stdout]   | --------------- method in this implementation
[INFO] [stdout] 6 |     fn arm0(self) -> Self {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `arm2` is never used
[INFO] [stdout]   --> examples/experiments5.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | trait Catch<T> {
[INFO] [stdout]    |       ----- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 25 |     fn arm2(self) -> Self;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "f2701882b63494cb219ad25321e1fcfc8047e457be29bbb8e2412238ecc2edce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2701882b63494cb219ad25321e1fcfc8047e457be29bbb8e2412238ecc2edce", kill_on_drop: false }`
[INFO] [stdout] f2701882b63494cb219ad25321e1fcfc8047e457be29bbb8e2412238ecc2edce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a5f11b4da9ffeb884e0417d5f8427e9a68d863650f2c3e29fbfe8083a972f903
[INFO] running `Command { std: "docker" "start" "-a" "a5f11b4da9ffeb884e0417d5f8427e9a68d863650f2c3e29fbfe8083a972f903", kill_on_drop: false }`
[INFO] [stderr] warning: method `w3` is never used
[INFO] [stdout] 
[INFO] [stderr]   --> examples/experiments3.rs:10:8
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]  3 | impl<T> Done<T> {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 10 |     fn w3(self) -> Self {
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition: `as_string`
[INFO] [stderr]   --> examples/playground.rs:59:14
[INFO] [stderr]    |
[INFO] [stderr] 59 | macro_rules! as_string {
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `A` is never constructed
[INFO] [stderr]   --> examples/playground.rs:55:8
[INFO] [stderr]    |
[INFO] [stderr] 55 | struct A;
[INFO] [stderr]    |        ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `B` is never constructed
[INFO] [stderr]   --> examples/playground.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct B;
[INFO] [stderr]    |        ^
[INFO] [stderr] 
[INFO] [stderr] warning: method `w3` is never used
[INFO] [stderr]   --> examples/experiments4.rs:10:8
[INFO] [stderr]    |
[INFO] [stderr]  3 | impl<T> Done<T> {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 10 |     fn w3(self) -> Self {
[INFO] [stderr]    |        ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `match_type` (example "experiments3") generated 1 warning
[INFO] [stderr] warning: `match_type` (example "playground") generated 3 warnings
[INFO] [stderr] warning: `match_type` (example "experiments4") generated 1 warning
[INFO] [stderr] warning: method `arm0` is never used
[INFO] [stderr]  --> examples/experiments5.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | impl<T> Done<T> {
[INFO] [stderr]   | --------------- method in this implementation
[INFO] [stderr] 6 |     fn arm0(self) -> Self {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `arm2` is never used
[INFO] [stderr]   --> examples/experiments5.rs:25:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | trait Catch<T> {
[INFO] [stderr]    |       ----- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 25 |     fn arm2(self) -> Self;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> examples/experiments2.rs:161:5
[INFO] [stderr]     |
[INFO] [stderr] 138 | /         (MatchTypeWrapper0($e)
[INFO] [stderr] 139 | |             .match_type_w0()
[INFO] [stderr] 140 | |             .match_type_w1()
[INFO] [stderr] 141 | |             .match_type_w2()
[INFO] [stderr] 142 | |             .match_type_finish())
[INFO] [stderr]     | |_________________________________- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 161 |       let z = m!(&s);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]    --> examples/experiments2.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |     let q = MatchTypeWrapper0(vec![1, 2, 3])
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> examples/experiments2.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let s = S();
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> examples/experiments2.rs:159:9
[INFO] [stderr]     |
[INFO] [stderr] 159 |     let x = m!(&i);
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> examples/experiments2.rs:160:9
[INFO] [stderr]     |
[INFO] [stderr] 160 |     let y = m!(&v);
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `z`
[INFO] [stderr]    --> examples/experiments2.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 |     let z = m!(&s);
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MatchTypeMatch1` is never used
[INFO] [stderr]   --> examples/experiments2.rs:58:7
[INFO] [stderr]    |
[INFO] [stderr] 58 | trait MatchTypeMatch1 {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `match_type_w1` is never used
[INFO] [stderr]   --> examples/experiments2.rs:66:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | impl<T: MatchTypeMatch1> MatchTypeWrapper1<T> {
[INFO] [stderr]    | --------------------------------------------- method in this implementation
[INFO] [stderr] 66 |     fn match_type_w1(self) -> MatchTypeDone<<T as MatchTypeMatch1>::MatchTypeReturnType> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MatchTypeMatch2` is never used
[INFO] [stderr]   --> examples/experiments2.rs:93:7
[INFO] [stderr]    |
[INFO] [stderr] 93 | trait MatchTypeMatch2 {
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `match_type_w2` is never used
[INFO] [stderr]    --> examples/experiments2.rs:101:8
[INFO] [stderr]     |
[INFO] [stderr] 100 | impl<T: MatchTypeMatch2> MatchTypeWrapper2<T> {
[INFO] [stderr]     | --------------------------------------------- method in this implementation
[INFO] [stderr] 101 |     fn match_type_w2(self) -> MatchTypeDone<<T as MatchTypeMatch2>::MatchTypeReturnType> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> examples/as_string.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Foo(u32);
[INFO] [stderr]    |        --- ^^^
[INFO] [stderr]    |        |
[INFO] [stderr]    |        field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `match_type` (example "experiments5") generated 2 warnings
[INFO] [stderr] warning: `match_type` (example "experiments2") generated 10 warnings
[INFO] [stderr] warning: `match_type` (example "as_string") generated 1 warning
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]   --> examples/experiments.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 55 |     let c = vec![1, 2, 3, 4, 5];
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `match_type` (example "experiments") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/match_type-7f47f757bd879d01)
[INFO] [stderr]    Doc-tests match_type
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - match_type (line 126) ... ok
[INFO] [stdout] test src/lib.rs - match_type (line 106) ... ok
[INFO] [stdout] test src/lib.rs - match_type (line 169) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a5f11b4da9ffeb884e0417d5f8427e9a68d863650f2c3e29fbfe8083a972f903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5f11b4da9ffeb884e0417d5f8427e9a68d863650f2c3e29fbfe8083a972f903", kill_on_drop: false }`
[INFO] [stdout] a5f11b4da9ffeb884e0417d5f8427e9a68d863650f2c3e29fbfe8083a972f903
