[INFO] cloning repository https://github.com/sigpher/downloader_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sigpher/downloader_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fdownloader_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fdownloader_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acf85590e15bbb392d693985440c3a5d8d401edb
[INFO] checking sigpher/downloader_demo/acf85590e15bbb392d693985440c3a5d8d401edb against master#0c478fdfe138a8b09744798c85fe2be657768b00 for pr-139419
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsigpher%2Fdownloader_demo" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sigpher/downloader_demo on toolchain 0c478fdfe138a8b09744798c85fe2be657768b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sigpher/downloader_demo
[INFO] finished tweaking git repo https://github.com/sigpher/downloader_demo
[INFO] tweaked toml for git repo https://github.com/sigpher/downloader_demo written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sigpher/downloader_demo 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" "+0c478fdfe138a8b09744798c85fe2be657768b00" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded servo_arc v0.2.0
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded cssparser v0.29.6
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded selectors v0.24.0
[INFO] [stderr]   Downloaded anyhow v1.0.70
[INFO] [stderr]   Downloaded addr2line v0.19.0
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded backtrace v0.3.67
[INFO] [stderr]   Downloaded object v0.30.3
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded gimli v0.27.2
[INFO] [stderr]   Downloaded openssl v0.10.48
[INFO] [stderr]   Downloaded jsonpath v0.1.1
[INFO] [stderr]   Downloaded pest v1.0.6
[INFO] [stderr]   Downloaded errno v0.3.0
[INFO] [stderr]   Downloaded scraper v0.15.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.0
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded openssl-macros v0.1.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.22
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded rustix v0.37.5
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded openssl-sys v0.9.83
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded io-lifetimes v1.0.9
[INFO] [stderr]   Downloaded tempfile v3.5.0
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded phf_macros v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22249dc7844204c0fa26eefaf0dd31920f8670c4d170d970aa44ec3395ced338
[INFO] running `Command { std: "docker" "start" "-a" "22249dc7844204c0fa26eefaf0dd31920f8670c4d170d970aa44ec3395ced338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22249dc7844204c0fa26eefaf0dd31920f8670c4d170d970aa44ec3395ced338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22249dc7844204c0fa26eefaf0dd31920f8670c4d170d970aa44ec3395ced338", kill_on_drop: false }`
[INFO] [stdout] 22249dc7844204c0fa26eefaf0dd31920f8670c4d170d970aa44ec3395ced338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0c478fdfe138a8b09744798c85fe2be657768b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88682a6f3edc768fcc8c2d031dd30137cabfc4fdce314d0669429f7006eab097
[INFO] running `Command { std: "docker" "start" "-a" "88682a6f3edc768fcc8c2d031dd30137cabfc4fdce314d0669429f7006eab097", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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 serde v1.0.159
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling tokio v1.27.0
[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" "88682a6f3edc768fcc8c2d031dd30137cabfc4fdce314d0669429f7006eab097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88682a6f3edc768fcc8c2d031dd30137cabfc4fdce314d0669429f7006eab097", kill_on_drop: false }`
[INFO] [stdout] 88682a6f3edc768fcc8c2d031dd30137cabfc4fdce314d0669429f7006eab097