[INFO] fetching crate tracing-proc-macros-ink 0.1.5...
[INFO] testing tracing-proc-macros-ink-0.1.5 against 1.95.0 for beta-1.96-2
[INFO] extracting crate tracing-proc-macros-ink 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate tracing-proc-macros-ink 0.1.5
[INFO] finished tweaking crates.io crate tracing-proc-macros-ink 0.1.5
[INFO] tweaked toml for crates.io crate tracing-proc-macros-ink 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-proc-macros-ink 0.1.5 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-proc-macros-ink 0.1.5 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-panic v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37dcd4956640bd60c67b4da1dff99b3e51e18e8d62dea3fbf3afab6561525af9
[INFO] running `Command { std: "docker" "start" "-a" "37dcd4956640bd60c67b4da1dff99b3e51e18e8d62dea3fbf3afab6561525af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37dcd4956640bd60c67b4da1dff99b3e51e18e8d62dea3fbf3afab6561525af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37dcd4956640bd60c67b4da1dff99b3e51e18e8d62dea3fbf3afab6561525af9", kill_on_drop: false }`
[INFO] [stdout] 37dcd4956640bd60c67b4da1dff99b3e51e18e8d62dea3fbf3afab6561525af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3e457f8cff353bc2c64caacdb30ee0cbb9fa485658c64ca2bedf7ff909b673d
[INFO] running `Command { std: "docker" "start" "-a" "f3e457f8cff353bc2c64caacdb30ee0cbb9fa485658c64ca2bedf7ff909b673d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling tracing-panic v0.1.2
[INFO] [stderr]    Compiling tracing-proc-macros-ink v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `tracked_env` in `proc_macro`
[INFO] [stdout]   --> src/lib.rs:87:36
[INFO] [stdout]    |
[INFO] [stdout] 87 |           .parse_lossy(proc_macro::tracked_env::var("RUST_LOG").unwrap_or_default()),
[INFO] [stdout]    |                                    ^^^^^^^^^^^ could not find `tracked_env` in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tracing-proc-macros-ink` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f3e457f8cff353bc2c64caacdb30ee0cbb9fa485658c64ca2bedf7ff909b673d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3e457f8cff353bc2c64caacdb30ee0cbb9fa485658c64ca2bedf7ff909b673d", kill_on_drop: false }`
[INFO] [stdout] f3e457f8cff353bc2c64caacdb30ee0cbb9fa485658c64ca2bedf7ff909b673d
