[INFO] fetching crate stan 0.0.16...
[INFO] checking stan-0.0.16 against 1.95.0 for pr-155915
[INFO] extracting crate stan 0.0.16 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate stan 0.0.16
[INFO] finished tweaking crates.io crate stan 0.0.16
[INFO] tweaked toml for crates.io crate stan 0.0.16 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stan 0.0.16 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate stan 0.0.16 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded url v2.2.1
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] [stderr]   Downloaded base64-url v1.4.9
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded ed25519 v1.0.3
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded subtle-encoding v0.5.1
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded subtle v2.4.0
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded which v4.0.2
[INFO] [stderr]   Downloaded instant v0.1.9
[INFO] [stderr]   Downloaded fixedbitset v0.2.0
[INFO] [stderr]   Downloaded ctor v0.1.19
[INFO] [stderr]   Downloaded zeroize_derive v1.0.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.71
[INFO] [stderr]   Downloaded logtest v2.0.0
[INFO] [stderr]   Downloaded signature v1.3.0
[INFO] [stderr]   Downloaded nuid v0.2.2
[INFO] [stderr]   Downloaded security-framework-sys v2.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.71
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded nkeys v0.0.11
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.71
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] [stderr]   Downloaded tinyvec v1.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.124
[INFO] [stderr]   Downloaded security-framework v2.1.2
[INFO] [stderr]   Downloaded nats v0.9.7
[INFO] [stderr]   Downloaded js-sys v0.3.48
[INFO] [stderr]   Downloaded serde v1.0.124
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.0
[INFO] [stderr]   Downloaded bumpalo v3.6.1
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.71
[INFO] [stderr]   Downloaded petgraph v0.5.1
[INFO] [stderr]   Downloaded rustls v0.19.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded regex v1.4.4
[INFO] [stderr]   Downloaded idna v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.63
[INFO] [stderr]   Downloaded regex-syntax v0.6.23
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded unicode-normalization v0.1.17
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.3
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded generic-array v0.14.4
[INFO] [stderr]   Downloaded parking_lot v0.11.1
[INFO] [stderr]   Downloaded sct v0.6.0
[INFO] [stderr]   Downloaded core-foundation v0.9.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.71
[INFO] [stderr]   Downloaded curve25519-dalek v3.0.2
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded libc v0.2.88
[INFO] [stderr]   Downloaded prost v0.7.0
[INFO] [stderr]   Downloaded prost-types v0.7.0
[INFO] [stderr]   Downloaded web-sys v0.3.48
[INFO] [stderr]   Downloaded value-bag v1.0.0-alpha.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded parking_lot_core v0.8.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.2
[INFO] [stderr]   Downloaded multimap v0.8.2
[INFO] [stderr]   Downloaded prost-derive v0.7.0
[INFO] [stderr]   Downloaded prost-build v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 211ff4dfcf12e33e4272963b8e2cd1eca713f70aa7b66a394542eb3939b3c1eb
[INFO] running `Command { std: "docker" "start" "-a" "211ff4dfcf12e33e4272963b8e2cd1eca713f70aa7b66a394542eb3939b3c1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211ff4dfcf12e33e4272963b8e2cd1eca713f70aa7b66a394542eb3939b3c1eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211ff4dfcf12e33e4272963b8e2cd1eca713f70aa7b66a394542eb3939b3c1eb", kill_on_drop: false }`
[INFO] [stdout] 211ff4dfcf12e33e4272963b8e2cd1eca713f70aa7b66a394542eb3939b3c1eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c060c1e017d0840274130db05d2a50118e9c8a71022ba81dc7b921647eec3c4
[INFO] running `Command { std: "docker" "start" "-a" "6c060c1e017d0840274130db05d2a50118e9c8a71022ba81dc7b921647eec3c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.6
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking base64-url v1.4.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.4
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking nuid v0.2.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling which v4.0.2
[INFO] [stderr]    Compiling prost-build v0.7.0
[INFO] [stderr]     Checking rustls v0.19.0
[INFO] [stderr]     Checking logtest v2.0.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking nkeys v0.0.11
[INFO] [stderr]    Compiling prost v0.7.0
[INFO] [stderr]    Compiling prost-types v0.7.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking nats v0.9.7
[INFO] [stderr]     Checking cargo-readme v3.2.0
[INFO] [stderr]    Compiling stan v0.0.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/lib.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Subscription {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     client: Client,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ping` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-3266f508b0edf3e0/out/stan.nats_streaming.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Ping {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-3266f508b0edf3e0/out/stan.nats_streaming.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct PingResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `client` is never read
[INFO] [stdout]    --> src/lib.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 157 | pub struct Subscription {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 164 |     client: Client,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Subscription` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Ping` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-3266f508b0edf3e0/out/stan.nats_streaming.rs:135:12
[INFO] [stdout]     |
[INFO] [stdout] 135 | pub struct Ping {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PingResponse` is never constructed
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/stan-3266f508b0edf3e0/out/stan.nats_streaming.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub struct PingResponse {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.01s
[INFO] running `Command { std: "docker" "inspect" "6c060c1e017d0840274130db05d2a50118e9c8a71022ba81dc7b921647eec3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c060c1e017d0840274130db05d2a50118e9c8a71022ba81dc7b921647eec3c4", kill_on_drop: false }`
[INFO] [stdout] 6c060c1e017d0840274130db05d2a50118e9c8a71022ba81dc7b921647eec3c4
