[INFO] cloning repository https://github.com/gbrls/kurl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gbrls/kurl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fkurl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fkurl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dda4e8583a0a448879e3f4d7c8aaec705059ae01
[INFO] checking gbrls/kurl against try#0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9 for pr-147185
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgbrls%2Fkurl" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gbrls/kurl
[INFO] finished tweaking git repo https://github.com/gbrls/kurl
[INFO] tweaked toml for git repo https://github.com/gbrls/kurl written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gbrls/kurl on toolchain 0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gbrls/kurl 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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded snailquote v0.3.1
[INFO] [stderr]   Downloaded security-framework v2.8.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cfb874a60123139654e913ba439fdaf542d87199efe2d0e9bb8ffb3d6585c32
[INFO] running `Command { std: "docker" "start" "-a" "6cfb874a60123139654e913ba439fdaf542d87199efe2d0e9bb8ffb3d6585c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cfb874a60123139654e913ba439fdaf542d87199efe2d0e9bb8ffb3d6585c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cfb874a60123139654e913ba439fdaf542d87199efe2d0e9bb8ffb3d6585c32", kill_on_drop: false }`
[INFO] [stdout] 6cfb874a60123139654e913ba439fdaf542d87199efe2d0e9bb8ffb3d6585c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+0de49ae9e81f9a1e7df6f0783824ce94ed18e8a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fcb16fcc97d5e45e988faff901c6c17c4d03571abde7c61b4cb0dfc8890c713
[INFO] running `Command { std: "docker" "start" "-a" "7fcb16fcc97d5e45e988faff901c6c17c4d03571abde7c61b4cb0dfc8890c713", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]     Checking io-lifetimes v1.0.4
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.10
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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]     Checking futures-util v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.39
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling heck v0.4.0
[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" "7fcb16fcc97d5e45e988faff901c6c17c4d03571abde7c61b4cb0dfc8890c713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fcb16fcc97d5e45e988faff901c6c17c4d03571abde7c61b4cb0dfc8890c713", kill_on_drop: false }`
[INFO] [stdout] 7fcb16fcc97d5e45e988faff901c6c17c4d03571abde7c61b4cb0dfc8890c713