[INFO] fetching crate doppleganger 0.5.0...
[INFO] checking doppleganger-0.5.0 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657-1
[INFO] extracting crate doppleganger 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate doppleganger 0.5.0
[INFO] finished tweaking crates.io crate doppleganger 0.5.0
[INFO] tweaked toml for crates.io crate doppleganger 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate doppleganger 0.5.0 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate doppleganger 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doppleganger-core v0.5.0
[INFO] [stderr]   Downloaded doppleganger-macros-parse v0.5.0
[INFO] [stderr]   Downloaded doppleganger-macros v0.5.0
[INFO] [stderr]   Downloaded uuid v1.18.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.105
[INFO] [stderr]   Downloaded unsynn v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.105
[INFO] [stderr]   Downloaded cc v1.2.47
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.105
[INFO] [stderr]   Downloaded js-sys v0.3.82
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]   Downloaded syn v2.0.110
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65eefa48ce2a84d123a8cae57a7ee2bdd91de5b406bf6068bd864f1c7a20574
[INFO] running `Command { std: "docker" "start" "-a" "f65eefa48ce2a84d123a8cae57a7ee2bdd91de5b406bf6068bd864f1c7a20574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65eefa48ce2a84d123a8cae57a7ee2bdd91de5b406bf6068bd864f1c7a20574", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65eefa48ce2a84d123a8cae57a7ee2bdd91de5b406bf6068bd864f1c7a20574", kill_on_drop: false }`
[INFO] [stdout] f65eefa48ce2a84d123a8cae57a7ee2bdd91de5b406bf6068bd864f1c7a20574
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac721ff9611e6a70b59193b0770a7e33b7ab761a8eefb562bc29cf3a9c5f3a7
[INFO] running `Command { std: "docker" "start" "-a" "fac721ff9611e6a70b59193b0770a7e33b7ab761a8eefb562bc29cf3a9c5f3a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]     Checking doppleganger-core v0.5.0
[INFO] [stderr]    Compiling unsynn v0.3.0
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling doppleganger-macros-parse v0.5.0
[INFO] [stderr]    Compiling doppleganger-macros v0.5.0
[INFO] [stderr]     Checking doppleganger v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "fac721ff9611e6a70b59193b0770a7e33b7ab761a8eefb562bc29cf3a9c5f3a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac721ff9611e6a70b59193b0770a7e33b7ab761a8eefb562bc29cf3a9c5f3a7", kill_on_drop: false }`
[INFO] [stdout] fac721ff9611e6a70b59193b0770a7e33b7ab761a8eefb562bc29cf3a9c5f3a7