[INFO] fetching crate typestate-proc-macro 0.9.0-rc2...
[INFO] building typestate-proc-macro-0.9.0-rc2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate typestate-proc-macro 0.9.0-rc2 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate typestate-proc-macro 0.9.0-rc2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecbe4681f798f642c18a31ee3cab6425b3b62b7a9fd63b7a9b6ea08e4f80d9de
[INFO] running `Command { std: "docker" "start" "-a" "ecbe4681f798f642c18a31ee3cab6425b3b62b7a9fd63b7a9b6ea08e4f80d9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecbe4681f798f642c18a31ee3cab6425b3b62b7a9fd63b7a9b6ea08e4f80d9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecbe4681f798f642c18a31ee3cab6425b3b62b7a9fd63b7a9b6ea08e4f80d9de", kill_on_drop: false }`
[INFO] [stdout] ecbe4681f798f642c18a31ee3cab6425b3b62b7a9fd63b7a9b6ea08e4f80d9de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0067bda879b4b485b1774de95dcc60b97c5c39967f950a999ba5f23c551f093b
[INFO] running `Command { std: "docker" "start" "-a" "0067bda879b4b485b1774de95dcc60b97c5c39967f950a999ba5f23c551f093b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[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)]` (part of `#[warn(unused)]`) 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 8.62s
[INFO] running `Command { std: "docker" "inspect" "0067bda879b4b485b1774de95dcc60b97c5c39967f950a999ba5f23c551f093b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0067bda879b4b485b1774de95dcc60b97c5c39967f950a999ba5f23c551f093b", kill_on_drop: false }`
[INFO] [stdout] 0067bda879b4b485b1774de95dcc60b97c5c39967f950a999ba5f23c551f093b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6942b8c59ccb24fb7abb110a07fad33a70989a4bb18c629376a33219f9cf0f33
[INFO] running `Command { std: "docker" "start" "-a" "6942b8c59ccb24fb7abb110a07fad33a70989a4bb18c629376a33219f9cf0f33", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 1.51s
[INFO] running `Command { std: "docker" "inspect" "6942b8c59ccb24fb7abb110a07fad33a70989a4bb18c629376a33219f9cf0f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6942b8c59ccb24fb7abb110a07fad33a70989a4bb18c629376a33219f9cf0f33", kill_on_drop: false }`
[INFO] [stdout] 6942b8c59ccb24fb7abb110a07fad33a70989a4bb18c629376a33219f9cf0f33