[INFO] fetching crate plckit 0.1.2...
[INFO] building plckit-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate plckit 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate plckit 0.1.2
[INFO] finished tweaking crates.io crate plckit 0.1.2
[INFO] tweaked toml for crates.io crate plckit 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate plckit 0.1.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 45dc681213b6b41bf3036ce0ae70f16f8d3a770b82bdd73c08ba19b090ce9c54
[INFO] running `Command { std: "docker" "start" "-a" "45dc681213b6b41bf3036ce0ae70f16f8d3a770b82bdd73c08ba19b090ce9c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45dc681213b6b41bf3036ce0ae70f16f8d3a770b82bdd73c08ba19b090ce9c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45dc681213b6b41bf3036ce0ae70f16f8d3a770b82bdd73c08ba19b090ce9c54", kill_on_drop: false }`
[INFO] [stdout] 45dc681213b6b41bf3036ce0ae70f16f8d3a770b82bdd73c08ba19b090ce9c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 77141037e4e9020ccc5b244d8c39bf9290c83c1db4b4581f4a20c7fa780e47c8
[INFO] running `Command { std: "docker" "start" "-a" "77141037e4e9020ccc5b244d8c39bf9290c83c1db4b4581f4a20c7fa780e47c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling nix v0.27.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling bma-ts v0.1.15
[INFO] [stderr]    Compiling plckit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DurationRT` is never used
[INFO] [stdout]  --> src/time.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait DurationRT {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ttlcell.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         &'a self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 54 |         other: &'a TtlCell<O>,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 55 |         max_time_delta: Duration,
[INFO] [stdout] 56 |     ) -> Option<(&T, &O)> {
[INFO] [stdout]    |                  ^^  ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ) -> Option<(&'a T, &'a O)> {
[INFO] [stdout]    |                   ++     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "77141037e4e9020ccc5b244d8c39bf9290c83c1db4b4581f4a20c7fa780e47c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77141037e4e9020ccc5b244d8c39bf9290c83c1db4b4581f4a20c7fa780e47c8", kill_on_drop: false }`
[INFO] [stdout] 77141037e4e9020ccc5b244d8c39bf9290c83c1db4b4581f4a20c7fa780e47c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1d38ac1828869338c614794c611a0ed9905bf555a082f4208ae79e28fdb60c92
[INFO] running `Command { std: "docker" "start" "-a" "1d38ac1828869338c614794c611a0ed9905bf555a082f4208ae79e28fdb60c92", kill_on_drop: false }`
[INFO] [stderr]    Compiling plckit v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `DurationRT` is never used
[INFO] [stdout]  --> src/time.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait DurationRT {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ttlcell.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         &'a self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 54 |         other: &'a TtlCell<O>,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 55 |         max_time_delta: Duration,
[INFO] [stdout] 56 |     ) -> Option<(&T, &O)> {
[INFO] [stdout]    |                  ^^  ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ) -> Option<(&'a T, &'a O)> {
[INFO] [stdout]    |                   ++     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/ttlcell.rs:56:18
[INFO] [stdout]    |
[INFO] [stdout] 53 |         &'a self,
[INFO] [stdout]    |          -- the lifetime is named here
[INFO] [stdout] 54 |         other: &'a TtlCell<O>,
[INFO] [stdout]    |                 -- the lifetime is named here
[INFO] [stdout] 55 |         max_time_delta: Duration,
[INFO] [stdout] 56 |     ) -> Option<(&T, &O)> {
[INFO] [stdout]    |                  ^^  ^^ the same lifetime is elided here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the same 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 56 |     ) -> Option<(&'a T, &'a O)> {
[INFO] [stdout]    |                   ++     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/pchannel.rs:278:14
[INFO] [stdout]     |
[INFO] [stdout] 278 |         Test(usize),
[INFO] [stdout]     |         ---- ^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 278 -         Test(usize),
[INFO] [stdout] 278 +         Test(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/pchannel.rs:279:21
[INFO] [stdout]     |
[INFO] [stdout] 279 |         Temperature(f64),
[INFO] [stdout]     |         ----------- ^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Message` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 279 -         Temperature(f64),
[INFO] [stdout] 279 +         Temperature(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "1d38ac1828869338c614794c611a0ed9905bf555a082f4208ae79e28fdb60c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d38ac1828869338c614794c611a0ed9905bf555a082f4208ae79e28fdb60c92", kill_on_drop: false }`
[INFO] [stdout] 1d38ac1828869338c614794c611a0ed9905bf555a082f4208ae79e28fdb60c92