[INFO] fetching crate wasmer-singlepass-backend-near 0.17.1...
[INFO] testing wasmer-singlepass-backend-near-0.17.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate wasmer-singlepass-backend-near 0.17.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wasmer-singlepass-backend-near 0.17.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmer-singlepass-backend-near 0.17.1
[INFO] finished tweaking crates.io crate wasmer-singlepass-backend-near 0.17.1
[INFO] tweaked toml for crates.io crate wasmer-singlepass-backend-near 0.17.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasmer-runtime-core-near v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e090944c3425aaa5dfae28883b456dd86275ed50bd4480a2d8f5a1fe44df405b
[INFO] running `Command { std: "docker" "start" "-a" "e090944c3425aaa5dfae28883b456dd86275ed50bd4480a2d8f5a1fe44df405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e090944c3425aaa5dfae28883b456dd86275ed50bd4480a2d8f5a1fe44df405b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e090944c3425aaa5dfae28883b456dd86275ed50bd4480a2d8f5a1fe44df405b", kill_on_drop: false }`
[INFO] [stdout] e090944c3425aaa5dfae28883b456dd86275ed50bd4480a2d8f5a1fe44df405b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d2907131c4c05c79dd7b1b7b9653b0eccb94c4167e6c6036d47af2a0e5f695
[INFO] running `Command { std: "docker" "start" "-a" "18d2907131c4c05c79dd7b1b7b9653b0eccb94c4167e6c6036d47af2a0e5f695", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling memmap2 v0.2.3
[INFO] [stderr]    Compiling wasmer-runtime-core-near v0.17.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling serde-bench v0.0.7
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling dynasm v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling dynasmrt v1.1.0
[INFO] [stderr]    Compiling wasmer-singlepass-backend-near v0.17.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `addr_rax`
[INFO] [stdout]    --> src/codegen_x64.rs:473:13
[INFO] [stdout]     |
[INFO] [stdout] 473 |             addr_rax: u64,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:5
[INFO] [stdout]     |
[INFO] [stdout] 2   |     dead_code,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: field is never read: `addr_r11`
[INFO] [stdout]    --> src/codegen_x64.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 |             addr_r11: u64,
[INFO] [stdout]     |             ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmer-singlepass-backend-near`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "18d2907131c4c05c79dd7b1b7b9653b0eccb94c4167e6c6036d47af2a0e5f695", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d2907131c4c05c79dd7b1b7b9653b0eccb94c4167e6c6036d47af2a0e5f695", kill_on_drop: false }`
[INFO] [stdout] 18d2907131c4c05c79dd7b1b7b9653b0eccb94c4167e6c6036d47af2a0e5f695