[INFO] fetching crate async-trait-ext 0.2.1...
[INFO] testing async-trait-ext-0.2.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate async-trait-ext 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] removed /workspace/builds/worker-3-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate async-trait-ext 0.2.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate async-trait-ext 0.2.1
[INFO] tweaked toml for crates.io crate async-trait-ext 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-trait-ext 0.2.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding macro-input v0.1.0 (available: v0.3.1)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88820afe7c4fd06bd7835e1b0eb9d9b0618630c78c466e3bdf20534a14040e3e
[INFO] running `Command { std: "docker" "start" "-a" "88820afe7c4fd06bd7835e1b0eb9d9b0618630c78c466e3bdf20534a14040e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88820afe7c4fd06bd7835e1b0eb9d9b0618630c78c466e3bdf20534a14040e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88820afe7c4fd06bd7835e1b0eb9d9b0618630c78c466e3bdf20534a14040e3e", kill_on_drop: false }`
[INFO] [stdout] 88820afe7c4fd06bd7835e1b0eb9d9b0618630c78c466e3bdf20534a14040e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c082376238b856b089db4582ba55c4385e47040a40ed8f2b4927c0eb756b26bd
[INFO] running `Command { std: "docker" "start" "-a" "c082376238b856b089db4582ba55c4385e47040a40ed8f2b4927c0eb756b26bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling macro-compose v0.1.0
[INFO] [stderr]    Compiling macro-input-core v0.1.0
[INFO] [stderr]    Compiling macro-input-macros v0.1.0
[INFO] [stderr]    Compiling macro-input v0.1.0
[INFO] [stderr]    Compiling async-trait-ext v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/methods/expand/poll.rs:6:33
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct PollMethodExpand<'a>(pub &'a ItemTrait);
[INFO] [stdout]   |            ----------------     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.52s
[INFO] running `Command { std: "docker" "inspect" "c082376238b856b089db4582ba55c4385e47040a40ed8f2b4927c0eb756b26bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c082376238b856b089db4582ba55c4385e47040a40ed8f2b4927c0eb756b26bd", kill_on_drop: false }`
[INFO] [stdout] c082376238b856b089db4582ba55c4385e47040a40ed8f2b4927c0eb756b26bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42fa8e58c7915d0e47e08cddef462448d2c9ab5f6aacee84d381830fec93b27b
[INFO] running `Command { std: "docker" "start" "-a" "42fa8e58c7915d0e47e08cddef462448d2c9ab5f6aacee84d381830fec93b27b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling macro-compose v0.1.0
[INFO] [stderr] error: could not compile `macro-compose` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name macro_compose --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/macro-compose-0.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7002385a7ea067ec -C extra-filename=-6af8bbba8f2a7733 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-621170ca30bb0a3f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1f98eb34a129db27.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-4ff0f6019ccce8e0.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "42fa8e58c7915d0e47e08cddef462448d2c9ab5f6aacee84d381830fec93b27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42fa8e58c7915d0e47e08cddef462448d2c9ab5f6aacee84d381830fec93b27b", kill_on_drop: false }`
[INFO] [stdout] 42fa8e58c7915d0e47e08cddef462448d2c9ab5f6aacee84d381830fec93b27b