[INFO] fetching crate timbal 0.1.1...
[INFO] testing timbal-0.1.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate timbal 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate timbal 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate timbal 0.1.1
[INFO] tweaked toml for crates.io crate timbal 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate timbal 0.1.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate timbal 0.1.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thousands v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f9c678519758a6d9aabad3d105dc5dc4cfea61edc50afc3d2546738f38d7721
[INFO] running `Command { std: "docker" "start" "-a" "5f9c678519758a6d9aabad3d105dc5dc4cfea61edc50afc3d2546738f38d7721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f9c678519758a6d9aabad3d105dc5dc4cfea61edc50afc3d2546738f38d7721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f9c678519758a6d9aabad3d105dc5dc4cfea61edc50afc3d2546738f38d7721", kill_on_drop: false }`
[INFO] [stdout] 5f9c678519758a6d9aabad3d105dc5dc4cfea61edc50afc3d2546738f38d7721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cec6e3937ffa9b867550bf5b2a5eb96fcbc1123cb286606c1f38ebf27215a14
[INFO] running `Command { std: "docker" "start" "-a" "2cec6e3937ffa9b867550bf5b2a5eb96fcbc1123cb286606c1f38ebf27215a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling thousands v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling timbal v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: at least one instrument feature must be enabled
[INFO] [stdout]  --> src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | compile_error!("at least one instrument feature must be enabled");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `timbal` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2cec6e3937ffa9b867550bf5b2a5eb96fcbc1123cb286606c1f38ebf27215a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cec6e3937ffa9b867550bf5b2a5eb96fcbc1123cb286606c1f38ebf27215a14", kill_on_drop: false }`
[INFO] [stdout] 2cec6e3937ffa9b867550bf5b2a5eb96fcbc1123cb286606c1f38ebf27215a14
