[INFO] cloning repository https://github.com/kerzeld/rusty_weed
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kerzeld/rusty_weed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerzeld%2Frusty_weed", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerzeld%2Frusty_weed'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dc7dd667103fe3d121a2be37acbdd0f2b35e5ae
[INFO] testing kerzeld/rusty_weed against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkerzeld%2Frusty_weed" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kerzeld/rusty_weed
[INFO] finished tweaking git repo https://github.com/kerzeld/rusty_weed
[INFO] tweaked toml for git repo https://github.com/kerzeld/rusty_weed written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kerzeld/rusty_weed on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kerzeld/rusty_weed 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "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 proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded pin-project-lite v0.2.9
[INFO] [stderr]   Downloaded httpdate v1.0.2
[INFO] [stderr]   Downloaded concat-string v1.0.1
[INFO] [stderr]   Downloaded slab v0.4.8
[INFO] [stderr]   Downloaded futures-core v0.3.27
[INFO] [stderr]   Downloaded miniz_oxide v0.6.2
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded async-compression v0.3.15
[INFO] [stderr]   Downloaded futures-sink v0.3.27
[INFO] [stderr]   Downloaded http v0.2.9
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.84
[INFO] [stderr]   Downloaded reqwest v0.11.15
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded libc v0.2.140
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded memchr v2.5.0
[INFO] [stderr]   Downloaded flate2 v1.0.25
[INFO] [stderr]   Downloaded tracing v0.1.37
[INFO] [stderr]   Downloaded url v2.3.1
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded futures-util v0.3.27
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded idna v0.3.0
[INFO] [stderr]   Downloaded js-sys v0.3.61
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.84
[INFO] [stderr]   Downloaded futures-task v0.3.27
[INFO] [stderr]   Downloaded form_urlencoded v1.1.0
[INFO] [stderr]   Downloaded winreg v0.10.1
[INFO] [stderr]   Downloaded percent-encoding v2.2.0
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded tracing-core v0.1.30
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.84
[INFO] [stderr]   Downloaded itoa v1.0.6
[INFO] [stderr]   Downloaded ryu v1.0.13
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded num_cpus v1.15.0
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded redox_syscall v0.2.16
[INFO] [stderr]   Downloaded smallvec v1.10.0
[INFO] [stderr]   Downloaded want v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.84
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded syn v2.0.10
[INFO] [stderr]   Downloaded futures-channel v0.3.27
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded unicase v2.6.0
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.84
[INFO] [stderr]   Downloaded serde_qs v0.12.0
[INFO] [stderr]   Downloaded hermit-abi v0.2.6
[INFO] [stderr]   Downloaded socket2 v0.4.9
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0dbb677a5c08484a619de7ce4357966380da7d35f92e891f6eb09c38d68a26c
[INFO] running `Command { std: "docker" "start" "-a" "c0dbb677a5c08484a619de7ce4357966380da7d35f92e891f6eb09c38d68a26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0dbb677a5c08484a619de7ce4357966380da7d35f92e891f6eb09c38d68a26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0dbb677a5c08484a619de7ce4357966380da7d35f92e891f6eb09c38d68a26c", kill_on_drop: false }`
[INFO] [stdout] c0dbb677a5c08484a619de7ce4357966380da7d35f92e891f6eb09c38d68a26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b2f405758ef496f7e5d432d2f05d51445e4b2c2b236bfdad409b2e6aa4f1f6d
[INFO] running `Command { std: "docker" "start" "-a" "0b2f405758ef496f7e5d432d2f05d51445e4b2c2b236bfdad409b2e6aa4f1f6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.27
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.158
[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 version_check v0.9.4
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling futures-task v0.3.27
[INFO] [stderr]    Compiling unicase v2.6.0
[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" "0b2f405758ef496f7e5d432d2f05d51445e4b2c2b236bfdad409b2e6aa4f1f6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2f405758ef496f7e5d432d2f05d51445e4b2c2b236bfdad409b2e6aa4f1f6d", kill_on_drop: false }`
[INFO] [stdout] 0b2f405758ef496f7e5d432d2f05d51445e4b2c2b236bfdad409b2e6aa4f1f6d