[INFO] fetching crate typestate 0.6.1...
[INFO] checking typestate-0.6.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate typestate 0.6.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate typestate 0.6.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typestate 0.6.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate typestate 0.6.1
[INFO] tweaked toml for crates.io crate typestate 0.6.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate typestate 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1205463c8b0f3338bb8bb0c2a18fafbd1731fd7cfd0a8b53ee7bceeca1e64747
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1205463c8b0f3338bb8bb0c2a18fafbd1731fd7cfd0a8b53ee7bceeca1e64747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1205463c8b0f3338bb8bb0c2a18fafbd1731fd7cfd0a8b53ee7bceeca1e64747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1205463c8b0f3338bb8bb0c2a18fafbd1731fd7cfd0a8b53ee7bceeca1e64747", kill_on_drop: false }`
[INFO] [stdout] 1205463c8b0f3338bb8bb0c2a18fafbd1731fd7cfd0a8b53ee7bceeca1e64747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eb7807ca8d09cbde5e9575fd33b28a24b7a8855b4fa1d2a8b3b589184a08eb54
[INFO] running `Command { std: "docker" "start" "-a" "eb7807ca8d09cbde5e9575fd33b28a24b7a8855b4fa1d2a8b3b589184a08eb54", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking typestate-automata v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking darling v0.12.4
[INFO] [stderr]    Compiling typestate v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stdout] warning: struct is never constructed: `SmartBulb`
[INFO] [stdout]  --> examples/smart_bulb.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     struct SmartBulb {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Unknown`
[INFO] [stdout]   --> examples/smart_bulb.rs:24:10
[INFO] [stdout]    |
[INFO] [stdout] 24 |     enum Unknown { On, Off }
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.33s
[INFO] running `Command { std: "docker" "inspect" "eb7807ca8d09cbde5e9575fd33b28a24b7a8855b4fa1d2a8b3b589184a08eb54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb7807ca8d09cbde5e9575fd33b28a24b7a8855b4fa1d2a8b3b589184a08eb54", kill_on_drop: false }`
[INFO] [stdout] eb7807ca8d09cbde5e9575fd33b28a24b7a8855b4fa1d2a8b3b589184a08eb54