[INFO] fetching crate typestate-proc-macro 0.9.0-rc2...
[INFO] testing typestate-proc-macro-0.9.0-rc2 against 1.90.0 for beta-1.91-3
[INFO] extracting crate typestate-proc-macro 0.9.0-rc2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate typestate-proc-macro 0.9.0-rc2
[INFO] finished tweaking crates.io crate typestate-proc-macro 0.9.0-rc2
[INFO] tweaked toml for crates.io crate typestate-proc-macro 0.9.0-rc2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate typestate-proc-macro 0.9.0-rc2 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding darling v0.13.4 (available: v0.21.3)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.10.0
[INFO] [stderr]   Downloaded darling_macro v0.13.4
[INFO] [stderr]   Downloaded darling v0.13.4
[INFO] [stderr]   Downloaded darling_core v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de3e0eebde94166edfd7802f26500ad97a0594ac021069fd46e9533758a031f
[INFO] running `Command { std: "docker" "start" "-a" "5de3e0eebde94166edfd7802f26500ad97a0594ac021069fd46e9533758a031f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de3e0eebde94166edfd7802f26500ad97a0594ac021069fd46e9533758a031f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de3e0eebde94166edfd7802f26500ad97a0594ac021069fd46e9533758a031f", kill_on_drop: false }`
[INFO] [stdout] 5de3e0eebde94166edfd7802f26500ad97a0594ac021069fd46e9533758a031f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89272394b55e075ec996ced6b4c2994b9ffa886f5e43c3bc6e7d15f1d019fea3
[INFO] running `Command { std: "docker" "start" "-a" "89272394b55e075ec996ced6b4c2994b9ffa886f5e43c3bc6e7d15f1d019fea3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling typestate-proc-macro v0.9.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Format` is never used
[INFO] [stdout]  --> src/igraph/export.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Format {}
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Export` is never used
[INFO] [stdout]   --> src/igraph/export.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Export<F: Format> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.26s
[INFO] running `Command { std: "docker" "inspect" "89272394b55e075ec996ced6b4c2994b9ffa886f5e43c3bc6e7d15f1d019fea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89272394b55e075ec996ced6b4c2994b9ffa886f5e43c3bc6e7d15f1d019fea3", kill_on_drop: false }`
[INFO] [stdout] 89272394b55e075ec996ced6b4c2994b9ffa886f5e43c3bc6e7d15f1d019fea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f675883650080efe8ebd763f9b7b0634f5073b5411f825915127bb244510e737
[INFO] running `Command { std: "docker" "start" "-a" "f675883650080efe8ebd763f9b7b0634f5073b5411f825915127bb244510e737", kill_on_drop: false }`
[INFO] [stderr]    Compiling typestate-proc-macro v0.9.0-rc2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Format` is never used
[INFO] [stdout]  --> src/igraph/export.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Format {}
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Export` is never used
[INFO] [stdout]   --> src/igraph/export.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Export<F: Format> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Format` is never used
[INFO] [stdout]  --> src/igraph/export.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait Format {}
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Export` is never used
[INFO] [stdout]   --> src/igraph/export.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Export<F: Format> {
[INFO] [stdout]    |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.86s
[INFO] running `Command { std: "docker" "inspect" "f675883650080efe8ebd763f9b7b0634f5073b5411f825915127bb244510e737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f675883650080efe8ebd763f9b7b0634f5073b5411f825915127bb244510e737", kill_on_drop: false }`
[INFO] [stdout] f675883650080efe8ebd763f9b7b0634f5073b5411f825915127bb244510e737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e494785d33bf1e140d41a69f52ee358f64bc206b20f4209b4dc919c18646c5c
[INFO] running `Command { std: "docker" "start" "-a" "0e494785d33bf1e140d41a69f52ee358f64bc206b20f4209b4dc919c18646c5c", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Format` is never used
[INFO] [stderr]  --> src/igraph/export.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub trait Format {}
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Export` is never used
[INFO] [stderr]   --> src/igraph/export.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait Export<F: Format> {
[INFO] [stderr]    |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `typestate-proc-macro` (lib) generated 2 warnings
[INFO] [stderr] warning: `typestate-proc-macro` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/typestate_proc_macro-d653e448e13d2318)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests typestate_proc_macro
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e494785d33bf1e140d41a69f52ee358f64bc206b20f4209b4dc919c18646c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e494785d33bf1e140d41a69f52ee358f64bc206b20f4209b4dc919c18646c5c", kill_on_drop: false }`
[INFO] [stdout] 0e494785d33bf1e140d41a69f52ee358f64bc206b20f4209b4dc919c18646c5c