[INFO] cloning repository https://github.com/rappet/dorfbusd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rappet/dorfbusd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fdorfbusd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fdorfbusd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8db34c17625bb4f7821e39322a7fb64857afffb0
[INFO] building rappet/dorfbusd against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frappet%2Fdorfbusd" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rappet/dorfbusd on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rappet/dorfbusd
[INFO] finished tweaking git repo https://github.com/rappet/dorfbusd
[INFO] tweaked toml for git repo https://github.com/rappet/dorfbusd written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rappet/dorfbusd 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded okapi v0.4.0
[INFO] [stderr]   Downloaded tokio-modbus v0.5.2
[INFO] [stderr]   Downloaded axum-core v0.1.1
[INFO] [stderr]   Downloaded matchit v0.4.4
[INFO] [stderr]   Downloaded clap_derive v3.0.0-rc.9
[INFO] [stderr]   Downloaded serialport v4.0.1
[INFO] [stderr]   Downloaded axum v0.4.3
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.4
[INFO] [stderr]   Downloaded tower-http v0.2.0
[INFO] [stderr]   Downloaded clap v3.0.0-rc.9
[INFO] [stderr]   Downloaded tokio-serial v5.4.1
[INFO] [stderr]   Downloaded mio-serial v5.0.1
[INFO] [stderr]   Downloaded openapiv3 v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f524d83ad3a79d61c5a5104476965e4f71f409f2d471500400a1ef8c5c84e3c
[INFO] running `Command { std: "docker" "start" "-a" "2f524d83ad3a79d61c5a5104476965e4f71f409f2d471500400a1ef8c5c84e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f524d83ad3a79d61c5a5104476965e4f71f409f2d471500400a1ef8c5c84e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f524d83ad3a79d61c5a5104476965e4f71f409f2d471500400a1ef8c5c84e3c", kill_on_drop: false }`
[INFO] [stdout] 2f524d83ad3a79d61c5a5104476965e4f71f409f2d471500400a1ef8c5c84e3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cac8b7d41b33f4b7d79f35e07e27bcdfb102803b50aedf5d0408c02c659c5a62
[INFO] running `Command { std: "docker" "start" "-a" "cac8b7d41b33f4b7d79f35e07e27bcdfb102803b50aedf5d0408c02c659c5a62", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.84
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde_derive v1.0.132
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.132
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]    Compiling futures-sink v0.3.19
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.19
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling tower-layer v0.3.1
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling nix v0.22.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling schemars v0.7.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling http-range-header v0.3.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling sync_wrapper v0.1.1
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling matchit v0.4.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.4
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]    Compiling serialport v4.0.1
[INFO] [stderr]    Compiling mio-serial v5.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling schemars_derive v0.7.6
[INFO] [stderr]    Compiling pin-project v1.0.9
[INFO] [stderr]    Compiling clap_derive v3.0.0-rc.9
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling futures-executor v0.3.19
[INFO] [stderr]    Compiling tower-http v0.2.0
[INFO] [stderr]    Compiling axum-core v0.1.1
[INFO] [stderr]    Compiling futures v0.3.19
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling tokio-serial v5.4.1
[INFO] [stderr]    Compiling tokio-modbus v0.5.2
[INFO] [stderr]    Compiling tower v0.4.11
[INFO] [stderr]    Compiling dorfbusext v0.1.0 (/opt/rustwide/workdir/dorfbusext)
[INFO] [stderr]    Compiling hyper v0.14.16
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling clap v3.0.0-rc.9
[INFO] [stderr]    Compiling serde_yaml v0.8.23
[INFO] [stderr]    Compiling openapiv3 v1.0.0
[INFO] [stderr]    Compiling okapi v0.4.0
[INFO] [stderr]    Compiling axum v0.4.3
[INFO] [stderr]    Compiling dorfbuscli v0.1.0 (/opt/rustwide/workdir/dorfbuscli)
[INFO] [stderr]    Compiling dorfbusd v0.1.0 (/opt/rustwide/workdir/dorfbusd)
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> dorfbusd/src/bus_state.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl DeviceState {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 51 |     /// Reset the state of a device
[INFO] [stdout] 52 |     pub fn reset(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> dorfbusd/src/bus_state.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl CoilState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 95 |     /// Reset the state of the coil
[INFO] [stdout] 96 |     pub fn reset(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> dorfbusd/src/bus_state.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl BusState {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn reset(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "cac8b7d41b33f4b7d79f35e07e27bcdfb102803b50aedf5d0408c02c659c5a62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac8b7d41b33f4b7d79f35e07e27bcdfb102803b50aedf5d0408c02c659c5a62", kill_on_drop: false }`
[INFO] [stdout] cac8b7d41b33f4b7d79f35e07e27bcdfb102803b50aedf5d0408c02c659c5a62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 935dc8c7937284c33610db1e3337b4990dde9b8d0d71f67891f2b15b0c96405e
[INFO] running `Command { std: "docker" "start" "-a" "935dc8c7937284c33610db1e3337b4990dde9b8d0d71f67891f2b15b0c96405e", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling dorfbuscli v0.1.0 (/opt/rustwide/workdir/dorfbuscli)
[INFO] [stderr]    Compiling dorfbusext v0.1.0 (/opt/rustwide/workdir/dorfbusext)
[INFO] [stderr]    Compiling pretty_assertions v1.0.0
[INFO] [stderr]    Compiling dorfbusd v0.1.0 (/opt/rustwide/workdir/dorfbusd)
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> dorfbusd/src/bus_state.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl DeviceState {
[INFO] [stdout]    | ---------------- method in this implementation
[INFO] [stdout] 51 |     /// Reset the state of a device
[INFO] [stdout] 52 |     pub fn reset(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]   --> dorfbusd/src/bus_state.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | impl CoilState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 95 |     /// Reset the state of the coil
[INFO] [stdout] 96 |     pub fn reset(&self) {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reset` is never used
[INFO] [stdout]    --> dorfbusd/src/bus_state.rs:263:12
[INFO] [stdout]     |
[INFO] [stdout] 259 | impl BusState {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 263 |     pub fn reset(&self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "935dc8c7937284c33610db1e3337b4990dde9b8d0d71f67891f2b15b0c96405e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "935dc8c7937284c33610db1e3337b4990dde9b8d0d71f67891f2b15b0c96405e", kill_on_drop: false }`
[INFO] [stdout] 935dc8c7937284c33610db1e3337b4990dde9b8d0d71f67891f2b15b0c96405e