[INFO] cloning repository https://github.com/zwilias/elm-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zwilias/elm-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 352ae1e275403788e53f2e2eda0711262a080307
[INFO] testing zwilias/elm-json against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zwilias/elm-json
[INFO] finished tweaking git repo https://github.com/zwilias/elm-json
[INFO] tweaked toml for git repo https://github.com/zwilias/elm-json written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zwilias/elm-json on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zwilias/elm-json 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 885dccd117fe2f99304e14409ff7854c67e123a13bee709f280a8145a92239cb
[INFO] running `Command { std: "docker" "start" "-a" "885dccd117fe2f99304e14409ff7854c67e123a13bee709f280a8145a92239cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "885dccd117fe2f99304e14409ff7854c67e123a13bee709f280a8145a92239cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885dccd117fe2f99304e14409ff7854c67e123a13bee709f280a8145a92239cb", kill_on_drop: false }`
[INFO] [stdout] 885dccd117fe2f99304e14409ff7854c67e123a13bee709f280a8145a92239cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd71ed15f1b45247a85dc3f94b0ce086a5cc1e490e4f99378b5bcec0267f7ee8
[INFO] running `Command { std: "docker" "start" "-a" "fd71ed15f1b45247a85dc3f94b0ce086a5cc1e490e4f99378b5bcec0267f7ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling curl v0.4.44
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling async-channel v1.7.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]    Compiling isahc v1.7.2
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling sluice v0.5.5
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fd71ed15f1b45247a85dc3f94b0ce086a5cc1e490e4f99378b5bcec0267f7ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd71ed15f1b45247a85dc3f94b0ce086a5cc1e490e4f99378b5bcec0267f7ee8", kill_on_drop: false }`
[INFO] [stdout] fd71ed15f1b45247a85dc3f94b0ce086a5cc1e490e4f99378b5bcec0267f7ee8
