[INFO] fetching crate subxt 0.15.0...
[INFO] testing subxt-0.15.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate subxt 0.15.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate subxt 0.15.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subxt 0.15.0
[INFO] finished tweaking crates.io crate subxt 0.15.0
[INFO] tweaked toml for crates.io crate subxt 0.15.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 547aaa7d2f2c9db3a46152f4995620c228ce086d52a94770d1298a313c89f4e6
[INFO] running `Command { std: "docker" "start" "-a" "547aaa7d2f2c9db3a46152f4995620c228ce086d52a94770d1298a313c89f4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "547aaa7d2f2c9db3a46152f4995620c228ce086d52a94770d1298a313c89f4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "547aaa7d2f2c9db3a46152f4995620c228ce086d52a94770d1298a313c89f4e6", kill_on_drop: false }`
[INFO] [stdout] 547aaa7d2f2c9db3a46152f4995620c228ce086d52a94770d1298a313c89f4e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b953c59d37c02a3bf80dd6c3f80db789bfcf915ff7023b0432acc99b62a25cf
[INFO] running `Command { std: "docker" "start" "-a" "7b953c59d37c02a3bf80dd6c3f80db789bfcf915ff7023b0432acc99b62a25cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling subxt-codegen v0.1.0
[INFO] [stderr]    Compiling subxt-macro v0.1.0
[INFO] [stderr]    Compiling subxt v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "7b953c59d37c02a3bf80dd6c3f80db789bfcf915ff7023b0432acc99b62a25cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b953c59d37c02a3bf80dd6c3f80db789bfcf915ff7023b0432acc99b62a25cf", kill_on_drop: false }`
[INFO] [stdout] 7b953c59d37c02a3bf80dd6c3f80db789bfcf915ff7023b0432acc99b62a25cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8dfeee20413f32c8d8749646f1c0a39f40e143ec28a1cbb527f382c68727c9f
[INFO] running `Command { std: "docker" "start" "-a" "f8dfeee20413f32c8d8749646f1c0a39f40e143ec28a1cbb527f382c68727c9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling subxt v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f8dfeee20413f32c8d8749646f1c0a39f40e143ec28a1cbb527f382c68727c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8dfeee20413f32c8d8749646f1c0a39f40e143ec28a1cbb527f382c68727c9f", kill_on_drop: false }`
[INFO] [stdout] f8dfeee20413f32c8d8749646f1c0a39f40e143ec28a1cbb527f382c68727c9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4290c48a3648841f8f4a350a083be1d4189be7116773695b7ead49ef7ad0ff2
[INFO] running `Command { std: "docker" "start" "-a" "d4290c48a3648841f8f4a350a083be1d4189be7116773695b7ead49ef7ad0ff2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/subxt-baeb04bc0b19e27d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests subxt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d4290c48a3648841f8f4a350a083be1d4189be7116773695b7ead49ef7ad0ff2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4290c48a3648841f8f4a350a083be1d4189be7116773695b7ead49ef7ad0ff2", kill_on_drop: false }`
[INFO] [stdout] d4290c48a3648841f8f4a350a083be1d4189be7116773695b7ead49ef7ad0ff2