[INFO] fetching crate syn-prelude 0.1.12...
[INFO] checking syn-prelude-0.1.12 against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249
[INFO] extracting crate syn-prelude 0.1.12 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate syn-prelude 0.1.12 on toolchain 336209eef13882bd1e211b24779584cb7ef911eb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn-prelude 0.1.12
[INFO] finished tweaking crates.io crate syn-prelude 0.1.12
[INFO] tweaked toml for crates.io crate syn-prelude 0.1.12 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn-prelude-macros v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69749e32820209706f332024c44fbfec9e8c2210b532714ab345fe1b8c04e73
[INFO] running `Command { std: "docker" "start" "-a" "f69749e32820209706f332024c44fbfec9e8c2210b532714ab345fe1b8c04e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69749e32820209706f332024c44fbfec9e8c2210b532714ab345fe1b8c04e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69749e32820209706f332024c44fbfec9e8c2210b532714ab345fe1b8c04e73", kill_on_drop: false }`
[INFO] [stdout] f69749e32820209706f332024c44fbfec9e8c2210b532714ab345fe1b8c04e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7faf268a1ed71671dd98ae7f584090c2bbb1ffdeb9f15da75516d8fba2299d31
[INFO] running `Command { std: "docker" "start" "-a" "7faf268a1ed71671dd98ae7f584090c2bbb1ffdeb9f15da75516d8fba2299d31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]     Checking quote v1.0.38
[INFO] [stderr]     Checking syn v2.0.96
[INFO] [stderr]    Compiling syn-prelude-macros v0.1.3
[INFO] [stderr]     Checking syn-prelude v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "7faf268a1ed71671dd98ae7f584090c2bbb1ffdeb9f15da75516d8fba2299d31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7faf268a1ed71671dd98ae7f584090c2bbb1ffdeb9f15da75516d8fba2299d31", kill_on_drop: false }`
[INFO] [stdout] 7faf268a1ed71671dd98ae7f584090c2bbb1ffdeb9f15da75516d8fba2299d31