[INFO] cloning repository https://github.com/najamelan/tracing_prism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/najamelan/tracing_prism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnajamelan%2Ftracing_prism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnajamelan%2Ftracing_prism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1acf27a5610d44663af70ab7f72d975e2b18e86b
[INFO] checking najamelan/tracing_prism against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnajamelan%2Ftracing_prism" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/najamelan/tracing_prism on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/najamelan/tracing_prism
[INFO] finished tweaking git repo https://github.com/najamelan/tracing_prism
[INFO] tweaked toml for git repo https://github.com/najamelan/tracing_prism written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/najamelan/tracing_prism already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-logger v0.2.0
[INFO] [stderr]   Downloaded send_wrapper v0.5.0
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded async_executors v0.4.1
[INFO] [stderr]   Downloaded async_nursery v0.3.0
[INFO] [stderr]   Downloaded thespis_derive v0.1.0-alpha.1
[INFO] [stderr]   Downloaded thespis_impl v0.1.0-alpha.2
[INFO] [stderr]   Downloaded gloo-events v0.1.1
[INFO] [stderr]   Downloaded thespis v0.1.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc07a0255c04760d472f8e3d13f5358428b0ed2954b4d27bae5a6ff0808d2459
[INFO] running `Command { std: "docker" "start" "-a" "bc07a0255c04760d472f8e3d13f5358428b0ed2954b4d27bae5a6ff0808d2459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc07a0255c04760d472f8e3d13f5358428b0ed2954b4d27bae5a6ff0808d2459", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc07a0255c04760d472f8e3d13f5358428b0ed2954b4d27bae5a6ff0808d2459", kill_on_drop: false }`
[INFO] [stdout] bc07a0255c04760d472f8e3d13f5358428b0ed2954b4d27bae5a6ff0808d2459
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf5b943ffc21c6c17bc57fcd080c5eb7d3e7b28983b0e73f6edcdf384f68161f
[INFO] running `Command { std: "docker" "start" "-a" "bf5b943ffc21c6c17bc57fcd080c5eb7d3e7b28983b0e73f6edcdf384f68161f", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.74
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bumpalo v3.6.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking send_wrapper v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling thespis_derive v0.1.0-alpha.1
[INFO] [stderr]    Compiling thespis_impl v0.1.0-alpha.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling async_executors v0.4.1
[INFO] [stderr]    Compiling thespis v0.1.0-alpha.3
[INFO] [stderr]    Compiling async_nursery v0.3.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thespis_derive-0.1.0-alpha.1/src/lib.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![ cfg_attr( nightly, feature( external_doc             ) ) ]
[INFO] [stdout]   |                                 ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thespis_derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "bf5b943ffc21c6c17bc57fcd080c5eb7d3e7b28983b0e73f6edcdf384f68161f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf5b943ffc21c6c17bc57fcd080c5eb7d3e7b28983b0e73f6edcdf384f68161f", kill_on_drop: false }`
[INFO] [stdout] bf5b943ffc21c6c17bc57fcd080c5eb7d3e7b28983b0e73f6edcdf384f68161f