[INFO] cloning repository https://github.com/snoekiede/ObservableProperties
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snoekiede/ObservableProperties" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoekiede%2FObservableProperties", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoekiede%2FObservableProperties'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 734325e2a72b2456710118395bfa8ebf2b563750
[INFO] checking snoekiede/ObservableProperties against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoekiede%2FObservableProperties" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/snoekiede/ObservableProperties
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/snoekiede/ObservableProperties
[INFO] tweaked toml for git repo https://github.com/snoekiede/ObservableProperties written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/snoekiede/ObservableProperties on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/snoekiede/ObservableProperties 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09b7b065e0694713313d69653aeb0743d22f206306c664cd0602124d291c4581
[INFO] running `Command { std: "docker" "start" "-a" "09b7b065e0694713313d69653aeb0743d22f206306c664cd0602124d291c4581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09b7b065e0694713313d69653aeb0743d22f206306c664cd0602124d291c4581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09b7b065e0694713313d69653aeb0743d22f206306c664cd0602124d291c4581", kill_on_drop: false }`
[INFO] [stdout] 09b7b065e0694713313d69653aeb0743d22f206306c664cd0602124d291c4581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 330b054bda0cabebaa83169a7a54c11b295c2c9f3b5c9b1ad3b6c7d61b008215
[INFO] running `Command { std: "docker" "start" "-a" "330b054bda0cabebaa83169a7a54c11b295c2c9f3b5c9b1ad3b6c7d61b008215", kill_on_drop: false }`
[INFO] [stderr]     Checking observable-property v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `set_age` is never used
[INFO] [stdout]   --> examples/multithreaded.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Person {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn set_age(&self, new_age: i32) -> Result<(), observable_property::PropertyError> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "330b054bda0cabebaa83169a7a54c11b295c2c9f3b5c9b1ad3b6c7d61b008215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330b054bda0cabebaa83169a7a54c11b295c2c9f3b5c9b1ad3b6c7d61b008215", kill_on_drop: false }`
[INFO] [stdout] 330b054bda0cabebaa83169a7a54c11b295c2c9f3b5c9b1ad3b6c7d61b008215