[INFO] fetching crate parsable-macro 0.1.1...
[INFO] checking parsable-macro-0.1.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate parsable-macro 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate parsable-macro 0.1.1 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate parsable-macro 0.1.1
[INFO] finished tweaking crates.io crate parsable-macro 0.1.1
[INFO] tweaked toml for crates.io crate parsable-macro 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3cb34a955d1db74b618c95e4338fe0398e0b0166ae5c59df95c302102dbe5d
[INFO] running `Command { std: "docker" "start" "-a" "8e3cb34a955d1db74b618c95e4338fe0398e0b0166ae5c59df95c302102dbe5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3cb34a955d1db74b618c95e4338fe0398e0b0166ae5c59df95c302102dbe5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3cb34a955d1db74b618c95e4338fe0398e0b0166ae5c59df95c302102dbe5d", kill_on_drop: false }`
[INFO] [stdout] 8e3cb34a955d1db74b618c95e4338fe0398e0b0166ae5c59df95c302102dbe5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e19ffc3c5dcbaa4b1a6d925b185458e8aed14f48a8dc0d7f7d2743e6749fd62
[INFO] running `Command { std: "docker" "start" "-a" "0e19ffc3c5dcbaa4b1a6d925b185458e8aed14f48a8dc0d7f7d2743e6749fd62", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking proc-macro-error v1.0.4
[INFO] [stderr]     Checking parsable-macro v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `token_name` is never read
[INFO] [stdout]  --> src/output.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Output {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub token_name: TokenStream,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token_name` is never read
[INFO] [stdout]  --> src/output.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Output {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     pub token_name: TokenStream,
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.83s
[INFO] running `Command { std: "docker" "inspect" "0e19ffc3c5dcbaa4b1a6d925b185458e8aed14f48a8dc0d7f7d2743e6749fd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e19ffc3c5dcbaa4b1a6d925b185458e8aed14f48a8dc0d7f7d2743e6749fd62", kill_on_drop: false }`
[INFO] [stdout] 0e19ffc3c5dcbaa4b1a6d925b185458e8aed14f48a8dc0d7f7d2743e6749fd62