[INFO] fetching crate mock-syn-macros 0.1.6...
[INFO] checking mock-syn-macros-0.1.6 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mock-syn-macros 0.1.6 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate mock-syn-macros 0.1.6 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 mock-syn-macros 0.1.6
[INFO] finished tweaking crates.io crate mock-syn-macros 0.1.6
[INFO] tweaked toml for crates.io crate mock-syn-macros 0.1.6 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `mock_syn_macros` library target)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mock-syn-common v0.1.6
[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] 34ce350b1c781ada0d0f376373f6123b2f952ecc0ec514aea6f637a64c8fc2de
[INFO] running `Command { std: "docker" "start" "-a" "34ce350b1c781ada0d0f376373f6123b2f952ecc0ec514aea6f637a64c8fc2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34ce350b1c781ada0d0f376373f6123b2f952ecc0ec514aea6f637a64c8fc2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ce350b1c781ada0d0f376373f6123b2f952ecc0ec514aea6f637a64c8fc2de", kill_on_drop: false }`
[INFO] [stdout] 34ce350b1c781ada0d0f376373f6123b2f952ecc0ec514aea6f637a64c8fc2de
[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] 2ef7146225ef7b69c2b4a00e4f956121143e43cd613b53abf940bda92fa0ac88
[INFO] running `Command { std: "docker" "start" "-a" "2ef7146225ef7b69c2b4a00e4f956121143e43cd613b53abf940bda92fa0ac88", kill_on_drop: false }`
[INFO] [stderr] warning: `proc_macro` is deprecated in favor of `proc-macro` and will not work in the 2024 edition
[INFO] [stderr] (in the `mock_syn_macros` library target)
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking mock-syn-common v0.1.6
[INFO] [stderr]     Checking mock-syn-macros v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `localize_ident_additional` is never used
[INFO] [stdout]   --> src/mock_syn/field/mod.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait MockSynDeriveFieldCommon {
[INFO] [stdout]    |           ------------------------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn localize_ident_additional<I: IdentFragment + ToTokens>(
[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: associated function `localize_ident_additional` is never used
[INFO] [stdout]   --> src/mock_syn/field/mod.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait MockSynDeriveFieldCommon {
[INFO] [stdout]    |           ------------------------ associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 77 |     fn localize_ident_additional<I: IdentFragment + ToTokens>(
[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 3.69s
[INFO] running `Command { std: "docker" "inspect" "2ef7146225ef7b69c2b4a00e4f956121143e43cd613b53abf940bda92fa0ac88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef7146225ef7b69c2b4a00e4f956121143e43cd613b53abf940bda92fa0ac88", kill_on_drop: false }`
[INFO] [stdout] 2ef7146225ef7b69c2b4a00e4f956121143e43cd613b53abf940bda92fa0ac88