[INFO] cloning repository https://github.com/fwcd/socha-rust-sdk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fwcd/socha-rust-sdk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-rust-sdk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-rust-sdk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02a3947df95a0c0f30387477b06dadee566dc8c3
[INFO] checking fwcd/socha-rust-sdk against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-rust-sdk" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fwcd/socha-rust-sdk 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/fwcd/socha-rust-sdk
[INFO] finished tweaking git repo https://github.com/fwcd/socha-rust-sdk
[INFO] tweaked toml for git repo https://github.com/fwcd/socha-rust-sdk written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fwcd/socha-rust-sdk 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 regex v1.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 01b46533c01f7f18057265a2af5b40a862d16bbbe8928d0319767fbceaea2754
[INFO] running `Command { std: "docker" "start" "-a" "01b46533c01f7f18057265a2af5b40a862d16bbbe8928d0319767fbceaea2754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01b46533c01f7f18057265a2af5b40a862d16bbbe8928d0319767fbceaea2754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b46533c01f7f18057265a2af5b40a862d16bbbe8928d0319767fbceaea2754", kill_on_drop: false }`
[INFO] [stdout] 01b46533c01f7f18057265a2af5b40a862d16bbbe8928d0319767fbceaea2754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 18a649470a7555db36a18a18f501a0e8709970e9f9c8718b7566bc1f2952c20d
[INFO] running `Command { std: "docker" "start" "-a" "18a649470a7555db36a18a18f501a0e8709970e9f9c8718b7566bc1f2952c20d", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.19
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking socha-client-base v0.1.0 (/opt/rustwide/workdir/client-base)
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]   --> client-base/src/protocol/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use data::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]   --> client-base/src/protocol/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use data::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.4.0
[INFO] [stderr]     Checking socha-plugin-2020 v0.1.0 (/opt/rustwide/workdir/plugin-2020)
[INFO] [stderr]     Checking socha-plugin-2021 v0.1.0 (/opt/rustwide/workdir/plugin-2021)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "18a649470a7555db36a18a18f501a0e8709970e9f9c8718b7566bc1f2952c20d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18a649470a7555db36a18a18f501a0e8709970e9f9c8718b7566bc1f2952c20d", kill_on_drop: false }`
[INFO] [stdout] 18a649470a7555db36a18a18f501a0e8709970e9f9c8718b7566bc1f2952c20d
[INFO] checking fwcd/socha-rust-sdk against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2Fsocha-rust-sdk" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fwcd/socha-rust-sdk on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fwcd/socha-rust-sdk
[INFO] finished tweaking git repo https://github.com/fwcd/socha-rust-sdk
[INFO] tweaked toml for git repo https://github.com/fwcd/socha-rust-sdk written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/fwcd/socha-rust-sdk 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8655a04217b0431e8a18f996e38c90c28738b13571cf3c9b66ca2eb20541bb44
[INFO] running `Command { std: "docker" "start" "-a" "8655a04217b0431e8a18f996e38c90c28738b13571cf3c9b66ca2eb20541bb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8655a04217b0431e8a18f996e38c90c28738b13571cf3c9b66ca2eb20541bb44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8655a04217b0431e8a18f996e38c90c28738b13571cf3c9b66ca2eb20541bb44", kill_on_drop: false }`
[INFO] [stdout] 8655a04217b0431e8a18f996e38c90c28738b13571cf3c9b66ca2eb20541bb44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 936d06e01c0256a06be16bf31181ed69f70a97d3c3ba85e792b0a7a109142bdd
[INFO] running `Command { std: "docker" "start" "-a" "936d06e01c0256a06be16bf31181ed69f70a97d3c3ba85e792b0a7a109142bdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking xml-rs v0.8.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.19
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking more-asserts v0.2.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking socha-client-base v0.1.0 (/opt/rustwide/workdir/client-base)
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]   --> client-base/src/protocol/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use data::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `data::*`
[INFO] [stdout]   --> client-base/src/protocol/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub use data::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.4.0
[INFO] [stderr]     Checking socha-plugin-2020 v0.1.0 (/opt/rustwide/workdir/plugin-2020)
[INFO] [stderr]     Checking socha-plugin-2021 v0.1.0 (/opt/rustwide/workdir/plugin-2021)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.55s
[INFO] running `Command { std: "docker" "inspect" "936d06e01c0256a06be16bf31181ed69f70a97d3c3ba85e792b0a7a109142bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "936d06e01c0256a06be16bf31181ed69f70a97d3c3ba85e792b0a7a109142bdd", kill_on_drop: false }`
[INFO] [stdout] 936d06e01c0256a06be16bf31181ed69f70a97d3c3ba85e792b0a7a109142bdd