[INFO] fetching crate thermostat 0.0.2... [INFO] building thermostat-0.0.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate thermostat 0.0.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate thermostat 0.0.2 [INFO] finished tweaking crates.io crate thermostat 0.0.2 [INFO] tweaked toml for crates.io crate thermostat 0.0.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate thermostat 0.0.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e70006b6b05c15c56f90f75b7aad9391b55ca8da6cbe8aae6aa5c5560626c58c [INFO] running `Command { std: "docker" "start" "-a" "e70006b6b05c15c56f90f75b7aad9391b55ca8da6cbe8aae6aa5c5560626c58c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e70006b6b05c15c56f90f75b7aad9391b55ca8da6cbe8aae6aa5c5560626c58c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e70006b6b05c15c56f90f75b7aad9391b55ca8da6cbe8aae6aa5c5560626c58c", kill_on_drop: false }` [INFO] [stdout] e70006b6b05c15c56f90f75b7aad9391b55ca8da6cbe8aae6aa5c5560626c58c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 282d00f419b5e6f1bee4e37005fa20388b6306e75e54dccb9b697b57a2527c90 [INFO] running `Command { std: "docker" "start" "-a" "282d00f419b5e6f1bee4e37005fa20388b6306e75e54dccb9b697b57a2527c90", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling thermostat v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:189:20 [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a ThermostatInterface, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a dyn ThermostatInterface, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &dyn ThermostatInterface) -> Thermostat { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:235:27 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `maximum_heat_run_secs`, `maximum_cool_run_secs`, and `maximum_fan_run_secs` are never read [INFO] [stdout] --> src/lib.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 182 | pub struct Thermostat<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 197 | maximum_heat_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 200 | maximum_cool_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | maximum_fan_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Thermostat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fan` is never used [INFO] [stdout] --> src/lib.rs:450:8 [INFO] [stdout] | [INFO] [stdout] 233 | impl<'a> Thermostat<'a> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 450 | fn fan(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s [INFO] running `Command { std: "docker" "inspect" "282d00f419b5e6f1bee4e37005fa20388b6306e75e54dccb9b697b57a2527c90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "282d00f419b5e6f1bee4e37005fa20388b6306e75e54dccb9b697b57a2527c90", kill_on_drop: false }` [INFO] [stdout] 282d00f419b5e6f1bee4e37005fa20388b6306e75e54dccb9b697b57a2527c90 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffe69062a0dcf8ba99a61202959de150cb2e1a4454cf608f8ab3723ca1d57fdd [INFO] running `Command { std: "docker" "start" "-a" "ffe69062a0dcf8ba99a61202959de150cb2e1a4454cf608f8ab3723ca1d57fdd", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:189:20 [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a ThermostatInterface, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a dyn ThermostatInterface, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &dyn ThermostatInterface) -> Thermostat { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thermostat v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:235:27 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `maximum_heat_run_secs`, `maximum_cool_run_secs`, and `maximum_fan_run_secs` are never read [INFO] [stdout] --> src/lib.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 182 | pub struct Thermostat<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 197 | maximum_heat_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 200 | maximum_cool_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | maximum_fan_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Thermostat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fan` is never used [INFO] [stdout] --> src/lib.rs:450:8 [INFO] [stdout] | [INFO] [stdout] 233 | impl<'a> Thermostat<'a> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 450 | fn fan(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:189:20 [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a ThermostatInterface, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 189 | interface: &'a dyn ThermostatInterface, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:235:28 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &dyn ThermostatInterface) -> Thermostat { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `maximum_heat_run_secs`, `maximum_cool_run_secs`, and `maximum_fan_run_secs` are never read [INFO] [stdout] --> src/lib.rs:197:5 [INFO] [stdout] | [INFO] [stdout] 182 | pub struct Thermostat<'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 197 | maximum_heat_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 200 | maximum_cool_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 203 | maximum_fan_run_secs: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Thermostat` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:235:27 [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 235 | pub fn new(interface: &ThermostatInterface) -> Thermostat<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `fan` is never used [INFO] [stdout] --> src/lib.rs:450:8 [INFO] [stdout] | [INFO] [stdout] 233 | impl<'a> Thermostat<'a> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 450 | fn fan(&mut self) -> Result<(), Error> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "ffe69062a0dcf8ba99a61202959de150cb2e1a4454cf608f8ab3723ca1d57fdd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe69062a0dcf8ba99a61202959de150cb2e1a4454cf608f8ab3723ca1d57fdd", kill_on_drop: false }` [INFO] [stdout] ffe69062a0dcf8ba99a61202959de150cb2e1a4454cf608f8ab3723ca1d57fdd