[INFO] fetching crate proptest-state-machine 0.3.0...
[INFO] checking proptest-state-machine-0.3.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate proptest-state-machine 0.3.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate proptest-state-machine 0.3.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proptest-state-machine 0.3.0
[INFO] finished tweaking crates.io crate proptest-state-machine 0.3.0
[INFO] tweaked toml for crates.io crate proptest-state-machine 0.3.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate proptest-state-machine 0.3.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded message-io v0.18.1
[INFO] [stderr]   Downloaded serde_derive v1.0.189
[INFO] [stderr]   Downloaded serde v1.0.189
[INFO] [stderr]   Downloaded proptest v1.4.0
[INFO] [stderr]   Downloaded rustix v0.38.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdaadcd9b4659da384b8de13bb3a8e087e986447d907dade9c96b3df23e28f73
[INFO] running `Command { std: "docker" "start" "-a" "cdaadcd9b4659da384b8de13bb3a8e087e986447d907dade9c96b3df23e28f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdaadcd9b4659da384b8de13bb3a8e087e986447d907dade9c96b3df23e28f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdaadcd9b4659da384b8de13bb3a8e087e986447d907dade9c96b3df23e28f73", kill_on_drop: false }`
[INFO] [stdout] cdaadcd9b4659da384b8de13bb3a8e087e986447d907dade9c96b3df23e28f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c3b0580b8ebf1044c87b047a9a8ccdaeae8228b432016c37d3d8be03b59ad7
[INFO] running `Command { std: "docker" "start" "-a" "02c3b0580b8ebf1044c87b047a9a8ccdaeae8228b432016c37d3d8be03b59ad7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rustix v0.38.20
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]     Checking linux-raw-sys v0.4.10
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking data-encoding v2.5.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking tungstenite v0.21.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]     Checking proptest-state-machine v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking message-io v0.18.1
[INFO] [stdout] warning: field `resource_id` is never read
[INFO] [stdout]    --> examples/state_machine_echo_server.rs:352:13
[INFO] [stdout]     |
[INFO] [stdout] 350 |     pub struct ServerDialer {
[INFO] [stdout]     |                ------------ field in this struct
[INFO] [stdout] 351 |         pub address: SocketAddr,
[INFO] [stdout] 352 |         pub resource_id: ResourceId,
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]    --> examples/state_machine_echo_server.rs:366:13
[INFO] [stdout]     |
[INFO] [stdout] 365 |     pub struct ClientDialer {
[INFO] [stdout]     |                ------------ field in this struct
[INFO] [stdout] 366 |         pub address: SocketAddr,
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.92s
[INFO] running `Command { std: "docker" "inspect" "02c3b0580b8ebf1044c87b047a9a8ccdaeae8228b432016c37d3d8be03b59ad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c3b0580b8ebf1044c87b047a9a8ccdaeae8228b432016c37d3d8be03b59ad7", kill_on_drop: false }`
[INFO] [stdout] 02c3b0580b8ebf1044c87b047a9a8ccdaeae8228b432016c37d3d8be03b59ad7