[INFO] cloning repository https://github.com/ggwpez/wtfwt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ggwpez/wtfwt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggwpez%2Fwtfwt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggwpez%2Fwtfwt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 025dbc2bc7c838912bc3916a8964192ba0658698
[INFO] building ggwpez/wtfwt against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fggwpez%2Fwtfwt" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ggwpez/wtfwt on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ggwpez/wtfwt
[INFO] finished tweaking git repo https://github.com/ggwpez/wtfwt
[INFO] tweaked toml for git repo https://github.com/ggwpez/wtfwt written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ggwpez/wtfwt 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scale-typegen v0.1.1
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[INFO] [stderr]   Downloaded scale-decode-derive v0.10.0
[INFO] [stderr]   Downloaded scale-decode v0.10.0
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[INFO] [stderr]   Downloaded scale-info v2.10.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35934a2aebb1e77839ab98110975fbaad2c80a83765d303778f8cccb418a057d
[INFO] running `Command { std: "docker" "start" "-a" "35934a2aebb1e77839ab98110975fbaad2c80a83765d303778f8cccb418a057d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35934a2aebb1e77839ab98110975fbaad2c80a83765d303778f8cccb418a057d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35934a2aebb1e77839ab98110975fbaad2c80a83765d303778f8cccb418a057d", kill_on_drop: false }`
[INFO] [stdout] 35934a2aebb1e77839ab98110975fbaad2c80a83765d303778f8cccb418a057d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f872618ee88032ffc5d911334927fdbdfb635c33b2e8925272c5eaa91a322c18
[INFO] running `Command { std: "docker" "start" "-a" "f872618ee88032ffc5d911334927fdbdfb635c33b2e8925272c5eaa91a322c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]    Compiling scale-encode-derive v0.5.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.6.9
[INFO] [stderr]    Compiling hyper v0.14.28
[INFO] [stderr]    Compiling jsonrpsee v0.21.0
[INFO] [stderr]    Compiling sailfish-macros v0.8.3
[INFO] [stderr]    Compiling parity-scale-codec v3.6.9
[INFO] [stderr]    Compiling scale-info v2.10.0
[INFO] [stderr]    Compiling impl-codec v0.6.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.24
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[INFO] [stderr]    Compiling primitive-types v0.12.2
[INFO] [stderr]    Compiling frame-metadata v16.0.0
[INFO] [stderr]    Compiling frame-metadata v15.1.0
[INFO] [stderr]    Compiling scale-typegen v0.1.1
[INFO] [stderr]    Compiling subxt-metadata v0.34.0
[INFO] [stderr]    Compiling scale-decode v0.10.0
[INFO] [stderr]    Compiling scale-encode v0.5.0
[INFO] [stderr]    Compiling hyper-rustls v0.24.2
[INFO] [stderr]    Compiling scale-value v0.13.0
[INFO] [stderr]    Compiling jsonrpsee-http-client v0.21.0
[INFO] [stderr]    Compiling subxt-codegen v0.34.0
[INFO] [stderr]    Compiling subxt-macro v0.34.0
[INFO] [stderr]    Compiling subxt v0.34.0
[INFO] [stderr]    Compiling wtfwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parity_scale_codec::Encode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use parity_scale_codec::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "f872618ee88032ffc5d911334927fdbdfb635c33b2e8925272c5eaa91a322c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f872618ee88032ffc5d911334927fdbdfb635c33b2e8925272c5eaa91a322c18", kill_on_drop: false }`
[INFO] [stdout] f872618ee88032ffc5d911334927fdbdfb635c33b2e8925272c5eaa91a322c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 864ac525c3bbdc15eb66b2315fff82535dafcdd8dba024fb0dc399f503fdcdbc
[INFO] running `Command { std: "docker" "start" "-a" "864ac525c3bbdc15eb66b2315fff82535dafcdd8dba024fb0dc399f503fdcdbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling wtfwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::Stdio`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::process::Stdio;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parity_scale_codec::Encode`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use parity_scale_codec::Encode;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "864ac525c3bbdc15eb66b2315fff82535dafcdd8dba024fb0dc399f503fdcdbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "864ac525c3bbdc15eb66b2315fff82535dafcdd8dba024fb0dc399f503fdcdbc", kill_on_drop: false }`
[INFO] [stdout] 864ac525c3bbdc15eb66b2315fff82535dafcdd8dba024fb0dc399f503fdcdbc