[INFO] cloning repository https://github.com/knoby/gcode1000
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knoby/gcode1000" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fgcode1000", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fgcode1000'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cae746cdcf8cb5bd0037e78a686e13bfa4bab803
[INFO] building knoby/gcode1000 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknoby%2Fgcode1000" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knoby/gcode1000 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/knoby/gcode1000
[INFO] finished tweaking git repo https://github.com/knoby/gcode1000
[INFO] tweaked toml for git repo https://github.com/knoby/gcode1000 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/knoby/gcode1000 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 }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 }`
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[INFO] running `Command { std: "docker" "start" "-a" "a6e589c20065fa2e863bdb40627be24401a3f804327105e3e7f4b4a434ed6611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6e589c20065fa2e863bdb40627be24401a3f804327105e3e7f4b4a434ed6611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e589c20065fa2e863bdb40627be24401a3f804327105e3e7f4b4a434ed6611", kill_on_drop: false }`
[INFO] [stdout] a6e589c20065fa2e863bdb40627be24401a3f804327105e3e7f4b4a434ed6611
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4a165c465f8634eeb28997451a88e421a502463e0a0049c131dc3afae6c743f6
[INFO] running `Command { std: "docker" "start" "-a" "4a165c465f8634eeb28997451a88e421a502463e0a0049c131dc3afae6c743f6", kill_on_drop: false }`
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[INFO] [stderr]    Compiling gcode1000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/control.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Msg::SetPosition(response) => (),
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/control.rs:65:33
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Msg::SetTemperature(response) => (),
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SetPosition` is never constructed
[INFO] [stdout]   --> src/control.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Msg {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     SetPosition(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Msg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label_x_pos`, `label_y_pos`, `label_z_pos`, `label_e1_temp`, and `label_bed_temp` are never read
[INFO] [stdout]   --> src/control.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct GtkWidgets {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 24 |     root: gtk::Box,
[INFO] [stdout] 25 |     label_x_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     label_y_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     label_z_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     label_e1_temp: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     label_bed_temp: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "4a165c465f8634eeb28997451a88e421a502463e0a0049c131dc3afae6c743f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a165c465f8634eeb28997451a88e421a502463e0a0049c131dc3afae6c743f6", kill_on_drop: false }`
[INFO] [stdout] 4a165c465f8634eeb28997451a88e421a502463e0a0049c131dc3afae6c743f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 23b190259acbbedcfbb1d56f38e73da73ec4f08caca215d8fe291c0aab3d45af
[INFO] running `Command { std: "docker" "start" "-a" "23b190259acbbedcfbb1d56f38e73da73ec4f08caca215d8fe291c0aab3d45af", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcode1000 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/control.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |             Msg::SetPosition(response) => (),
[INFO] [stdout]    |                              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `response`
[INFO] [stdout]   --> src/control.rs:65:33
[INFO] [stdout]    |
[INFO] [stdout] 65 |             Msg::SetTemperature(response) => (),
[INFO] [stdout]    |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SetPosition` is never constructed
[INFO] [stdout]   --> src/control.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Msg {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     SetPosition(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Msg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `label_x_pos`, `label_y_pos`, `label_z_pos`, `label_e1_temp`, and `label_bed_temp` are never read
[INFO] [stdout]   --> src/control.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct GtkWidgets {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 24 |     root: gtk::Box,
[INFO] [stdout] 25 |     label_x_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 26 |     label_y_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 27 |     label_z_pos: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 28 |     label_e1_temp: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     label_bed_temp: gtk::Label,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "23b190259acbbedcfbb1d56f38e73da73ec4f08caca215d8fe291c0aab3d45af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b190259acbbedcfbb1d56f38e73da73ec4f08caca215d8fe291c0aab3d45af", kill_on_drop: false }`
[INFO] [stdout] 23b190259acbbedcfbb1d56f38e73da73ec4f08caca215d8fe291c0aab3d45af