[INFO] crate typestate 0.8.0 is already in cache
[INFO] checking typestate-0.8.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate typestate 0.8.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate typestate 0.8.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate typestate 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate typestate 0.8.0
[INFO] tweaked toml for crates.io crate typestate 0.8.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate typestate 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a83983e2e3d32b4be68356fc220d16caf7a789e848733c7445714ef24d01b8ba
[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" "a83983e2e3d32b4be68356fc220d16caf7a789e848733c7445714ef24d01b8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a83983e2e3d32b4be68356fc220d16caf7a789e848733c7445714ef24d01b8ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a83983e2e3d32b4be68356fc220d16caf7a789e848733c7445714ef24d01b8ba", kill_on_drop: false }`
[INFO] [stdout] a83983e2e3d32b4be68356fc220d16caf7a789e848733c7445714ef24d01b8ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee7fcb3635a83c695f077eb21101161c7cd6d0c58e11e48bdab412e7a05dde4
[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" "dee7fcb3635a83c695f077eb21101161c7cd6d0c58e11e48bdab412e7a05dde4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling aquamarine v0.1.9
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling typestate-proc-macro v0.8.0
[INFO] [stderr]     Checking typestate v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stdout] warning: unused variable: `bulb`
[INFO] [stdout]   --> examples/light_bulb.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let bulb = bulb.turn_off();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_bulb`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 {
[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 57.87s
[INFO] running `Command { std: "docker" "inspect" "dee7fcb3635a83c695f077eb21101161c7cd6d0c58e11e48bdab412e7a05dde4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee7fcb3635a83c695f077eb21101161c7cd6d0c58e11e48bdab412e7a05dde4", kill_on_drop: false }`
[INFO] [stdout] dee7fcb3635a83c695f077eb21101161c7cd6d0c58e11e48bdab412e7a05dde4