[INFO] fetching crate gxi 0.6.1...
[INFO] testing gxi-0.6.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate gxi 0.6.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate gxi 0.6.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gxi 0.6.1
[INFO] finished tweaking crates.io crate gxi 0.6.1
[INFO] tweaked toml for crates.io crate gxi 0.6.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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" "+beta-2022-02-22" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gxi-derive v0.6.1
[INFO] [stderr]   Downloaded gxi-transpiler v0.6.1
[INFO] [stderr]   Downloaded gxi-macros v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe48f2edb6bf5c8e30a531c8b3073e6d2b596b8b41e8e082e3461e1c249537f5
[INFO] running `Command { std: "docker" "start" "-a" "fe48f2edb6bf5c8e30a531c8b3073e6d2b596b8b41e8e082e3461e1c249537f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe48f2edb6bf5c8e30a531c8b3073e6d2b596b8b41e8e082e3461e1c249537f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe48f2edb6bf5c8e30a531c8b3073e6d2b596b8b41e8e082e3461e1c249537f5", kill_on_drop: false }`
[INFO] [stdout] fe48f2edb6bf5c8e30a531c8b3073e6d2b596b8b41e8e082e3461e1c249537f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45cc41d493ef3f9b5308b549644e678decc6e4c474481eab81086db30fc3d54
[INFO] running `Command { std: "docker" "start" "-a" "d45cc41d493ef3f9b5308b549644e678decc6e4c474481eab81086db30fc3d54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling gxi-macros v0.6.1
[INFO] [stderr]    Compiling gxi-transpiler v0.6.1
[INFO] [stderr]    Compiling gxi-derive v0.6.1
[INFO] [stderr]    Compiling gxi v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 VNodeType::Widget(w) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 VNodeType::ContainerWidget(w) => {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member`
[INFO] [stdout]   --> src/vnode.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member_widget`
[INFO] [stdout]   --> src/vnode.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let new_member_widget = new_member_widget.deref().get_native_widget();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member_widget`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_member`
[INFO] [stdout]   --> src/vnode.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     if let Some(next_member) = &children[i] {
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |             (Some(old_member), None) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "d45cc41d493ef3f9b5308b549644e678decc6e4c474481eab81086db30fc3d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45cc41d493ef3f9b5308b549644e678decc6e4c474481eab81086db30fc3d54", kill_on_drop: false }`
[INFO] [stdout] d45cc41d493ef3f9b5308b549644e678decc6e4c474481eab81086db30fc3d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee0836d0eeb3d8a58c5d6bfb17dd75548d1a5f58d5d008b5b2d7d8890988058
[INFO] running `Command { std: "docker" "start" "-a" "1ee0836d0eeb3d8a58c5d6bfb17dd75548d1a5f58d5d008b5b2d7d8890988058", kill_on_drop: false }`
[INFO] [stderr]    Compiling gxi v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 VNodeType::Widget(w) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 VNodeType::ContainerWidget(w) => {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member`
[INFO] [stdout]   --> src/vnode.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member_widget`
[INFO] [stdout]   --> src/vnode.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let new_member_widget = new_member_widget.deref().get_native_widget();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member_widget`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_member`
[INFO] [stdout]   --> src/vnode.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     if let Some(next_member) = &children[i] {
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |             (Some(old_member), None) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:38:35
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 VNodeType::Widget(w) => {
[INFO] [stdout]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]   --> src/vnode.rs:42:44
[INFO] [stdout]    |
[INFO] [stdout] 42 |                 VNodeType::ContainerWidget(w) => {
[INFO] [stdout]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:58:19
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member`
[INFO] [stdout]   --> src/vnode.rs:58:37
[INFO] [stdout]    |
[INFO] [stdout] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stdout]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_member_widget`
[INFO] [stdout]   --> src/vnode.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 let new_member_widget = new_member_widget.deref().get_native_widget();
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member_widget`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `next_member`
[INFO] [stdout]   --> src/vnode.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     if let Some(next_member) = &children[i] {
[INFO] [stdout]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `old_member`
[INFO] [stdout]   --> src/vnode.rs:88:19
[INFO] [stdout]    |
[INFO] [stdout] 88 |             (Some(old_member), None) => {
[INFO] [stdout]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "1ee0836d0eeb3d8a58c5d6bfb17dd75548d1a5f58d5d008b5b2d7d8890988058", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee0836d0eeb3d8a58c5d6bfb17dd75548d1a5f58d5d008b5b2d7d8890988058", kill_on_drop: false }`
[INFO] [stdout] 1ee0836d0eeb3d8a58c5d6bfb17dd75548d1a5f58d5d008b5b2d7d8890988058
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ae98ddf78cc1925428e69dddea21a58c0be1f314ad8134810f7a2f8127ef8e5
[INFO] running `Command { std: "docker" "start" "-a" "3ae98ddf78cc1925428e69dddea21a58c0be1f314ad8134810f7a2f8127ef8e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/vnode.rs:38:35
[INFO] [stderr]    |
[INFO] [stderr] 38 |                 VNodeType::Widget(w) => {
[INFO] [stderr]    |                                   ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]   --> src/vnode.rs:42:44
[INFO] [stderr]    |
[INFO] [stderr] 42 |                 VNodeType::ContainerWidget(w) => {
[INFO] [stderr]    |                                            ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_member`
[INFO] [stderr]   --> src/vnode.rs:58:19
[INFO] [stderr]    |
[INFO] [stderr] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_member`
[INFO] [stderr]   --> src/vnode.rs:58:37
[INFO] [stderr]    |
[INFO] [stderr] 58 |             (Some(old_member), Some(new_member)) => {
[INFO] [stderr]    |                                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `new_member_widget`
[INFO] [stderr]   --> src/vnode.rs:68:21
[INFO] [stderr]    |
[INFO] [stderr] 68 |                 let new_member_widget = new_member_widget.deref().get_native_widget();
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_member_widget`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `next_member`
[INFO] [stderr]   --> src/vnode.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |                     if let Some(next_member) = &children[i] {
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_next_member`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `old_member`
[INFO] [stderr]   --> src/vnode.rs:88:19
[INFO] [stderr]    |
[INFO] [stderr] 88 |             (Some(old_member), None) => {
[INFO] [stderr]    |                   ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_old_member`
[INFO] [stderr] 
[INFO] [stderr] warning: `gxi` (lib) generated 7 warnings
[INFO] [stderr] warning: `gxi` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gxi-1fb23f1941b4f12b)
[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 gxi
[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" "3ae98ddf78cc1925428e69dddea21a58c0be1f314ad8134810f7a2f8127ef8e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae98ddf78cc1925428e69dddea21a58c0be1f314ad8134810f7a2f8127ef8e5", kill_on_drop: false }`
[INFO] [stdout] 3ae98ddf78cc1925428e69dddea21a58c0be1f314ad8134810f7a2f8127ef8e5