[INFO] cloning repository https://github.com/hnrklssn/coffeepot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnrklssn/coffeepot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38d9b7fdd48a43bb682f43d088eef7ea1b8effdd
[INFO] checking hnrklssn/coffeepot against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnrklssn%2Fcoffeepot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hnrklssn/coffeepot on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hnrklssn/coffeepot
[INFO] finished tweaking git repo https://github.com/hnrklssn/coffeepot
[INFO] tweaked toml for git repo https://github.com/hnrklssn/coffeepot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/hnrklssn/coffeepot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mqtt311 v0.2.0
[INFO] [stderr]   Downloaded rumqtt v0.31.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc473ee7ab8a4444d17bb52b11afe1eaaa7b10063599d2360ee0fa5bdc75047
[INFO] running `Command { std: "docker" "start" "-a" "fcc473ee7ab8a4444d17bb52b11afe1eaaa7b10063599d2360ee0fa5bdc75047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc473ee7ab8a4444d17bb52b11afe1eaaa7b10063599d2360ee0fa5bdc75047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc473ee7ab8a4444d17bb52b11afe1eaaa7b10063599d2360ee0fa5bdc75047", kill_on_drop: false }`
[INFO] [stdout] fcc473ee7ab8a4444d17bb52b11afe1eaaa7b10063599d2360ee0fa5bdc75047
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc471d504d6e1f6dc5812213bde8452a1b7ffd7d62478957d1806f4da7ca60e
[INFO] running `Command { std: "docker" "start" "-a" "6cc471d504d6e1f6dc5812213bde8452a1b7ffd7d62478957d1806f4da7ca60e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   libc v0.2.62: extra_traits
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking rumqtt v0.31.0
[INFO] [stderr]     Checking coffeepot v0.3.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: associated function is never used: `toggle_active`
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DebounceData`
[INFO] [stdout]  --> src/debounce.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]   --> src/debounce.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn closure<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_active`
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DebounceData`
[INFO] [stdout]  --> src/debounce.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]   --> src/debounce.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn closure<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.07s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking ring v0.14.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.38
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mqtt311 v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking jsonwebtoken v6.0.1
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-rustls v0.9.4
[INFO] [stderr]     Checking rumqtt v0.31.0
[INFO] [stderr]     Checking coffeepot v0.3.0 (/tmp/fixit)
[INFO] [stdout] warning: associated function is never used: `toggle_active`
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DebounceData`
[INFO] [stdout]  --> src/debounce.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]   --> src/debounce.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn closure<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `toggle_active`
[INFO] [stdout]    --> src/coffeepot.rs:155:12
[INFO] [stdout]     |
[INFO] [stdout] 155 |     pub fn toggle_active(&self) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DebounceData`
[INFO] [stdout]  --> src/debounce.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct DebounceData<A, B: FnMut(A) + Send + Sync + 'static> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `closure`
[INFO] [stdout]   --> src/debounce.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn closure<A: Eq + Copy + Send + Sync + Debug + 'static, B: FnMut(A) + Send + Sync + 'static>(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.26s
[INFO] running `Command { std: "docker" "inspect" "6cc471d504d6e1f6dc5812213bde8452a1b7ffd7d62478957d1806f4da7ca60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc471d504d6e1f6dc5812213bde8452a1b7ffd7d62478957d1806f4da7ca60e", kill_on_drop: false }`
[INFO] [stdout] 6cc471d504d6e1f6dc5812213bde8452a1b7ffd7d62478957d1806f4da7ca60e