[INFO] fetching crate timbal 0.1.1...
[INFO] testing timbal-0.1.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate timbal 0.1.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate timbal 0.1.1 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcf27a6db8634f366aacd0db1ba67fa208396181ae6b6091a77ac723ed8ef36a
[INFO] running `Command { std: "docker" "start" "-a" "fcf27a6db8634f366aacd0db1ba67fa208396181ae6b6091a77ac723ed8ef36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcf27a6db8634f366aacd0db1ba67fa208396181ae6b6091a77ac723ed8ef36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcf27a6db8634f366aacd0db1ba67fa208396181ae6b6091a77ac723ed8ef36a", kill_on_drop: false }`
[INFO] [stdout] fcf27a6db8634f366aacd0db1ba67fa208396181ae6b6091a77ac723ed8ef36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0e7f3813db8cd08f4e40544bc96d47ac95b57acac9c3f91723ce91dc48bf76d
[INFO] running `Command { std: "docker" "start" "-a" "a0e7f3813db8cd08f4e40544bc96d47ac95b57acac9c3f91723ce91dc48bf76d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling thousands v0.2.0
[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" "a0e7f3813db8cd08f4e40544bc96d47ac95b57acac9c3f91723ce91dc48bf76d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e7f3813db8cd08f4e40544bc96d47ac95b57acac9c3f91723ce91dc48bf76d", kill_on_drop: false }`
[INFO] [stdout] a0e7f3813db8cd08f4e40544bc96d47ac95b57acac9c3f91723ce91dc48bf76d