[INFO] cloning repository https://github.com/rspotlight/extension
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rspotlight/extension" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frspotlight%2Fextension", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frspotlight%2Fextension'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39b2abdb68373f60db23f2733955abad9d9d84d6
[INFO] checking rspotlight/extension against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frspotlight%2Fextension" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rspotlight/extension on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rspotlight/extension
[INFO] finished tweaking git repo https://github.com/rspotlight/extension
[INFO] tweaked toml for git repo https://github.com/rspotlight/extension written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rspotlight/extension 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tstr v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18f9cdc75987a19bdc3023dadc5c7fdec0e8c9c8ad37df47289472d15f1b655e
[INFO] running `Command { std: "docker" "start" "-a" "18f9cdc75987a19bdc3023dadc5c7fdec0e8c9c8ad37df47289472d15f1b655e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f9cdc75987a19bdc3023dadc5c7fdec0e8c9c8ad37df47289472d15f1b655e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f9cdc75987a19bdc3023dadc5c7fdec0e8c9c8ad37df47289472d15f1b655e", kill_on_drop: false }`
[INFO] [stdout] 18f9cdc75987a19bdc3023dadc5c7fdec0e8c9c8ad37df47289472d15f1b655e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b1c9ee201cc1c3c7e28c498091548f09e6443f4e5c307f0950e383048bd0ee7
[INFO] running `Command { std: "docker" "start" "-a" "7b1c9ee201cc1c3c7e28c498091548f09e6443f4e5c307f0950e383048bd0ee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling core_extensions v1.5.3
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling core_extensions_proc_macros v1.5.3
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]     Checking smallvec v1.12.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling typed-arena v2.0.2
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking generational-arena v0.2.9
[INFO] [stderr]     Checking const_panic v0.2.8
[INFO] [stderr]    Compiling abi_stable_shared v0.11.0
[INFO] [stderr]     Checking tstr v0.2.3
[INFO] [stderr]     Checking repr_offset v0.2.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling as_derive_utils v0.11.0
[INFO] [stderr]    Compiling abi_stable_derive v0.11.3
[INFO] [stderr]     Checking abi_stable v0.11.3
[INFO] [stderr]     Checking blazyr-extension v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.60s
[INFO] running `Command { std: "docker" "inspect" "7b1c9ee201cc1c3c7e28c498091548f09e6443f4e5c307f0950e383048bd0ee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1c9ee201cc1c3c7e28c498091548f09e6443f4e5c307f0950e383048bd0ee7", kill_on_drop: false }`
[INFO] [stdout] 7b1c9ee201cc1c3c7e28c498091548f09e6443f4e5c307f0950e383048bd0ee7