[INFO] cloning repository https://github.com/stefanw/yroom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stefanw/yroom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanw%2Fyroom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanw%2Fyroom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8763127942875522828d7cb1832a64d625f9ce4
[INFO] checking stefanw/yroom against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstefanw%2Fyroom" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/stefanw/yroom
[INFO] finished tweaking git repo https://github.com/stefanw/yroom
[INFO] tweaked toml for git repo https://github.com/stefanw/yroom written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/stefanw/yroom on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/stefanw/yroom 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded pyo3-macros v0.19.2
[INFO] [stderr]   Downloaded pyo3-log v0.8.3
[INFO] [stderr]   Downloaded smallstr v0.2.0
[INFO] [stderr]   Downloaded y-sync v0.3.1
[INFO] [stderr]   Downloaded unindent v0.1.11
[INFO] [stderr]   Downloaded indoc v1.0.9
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.19.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.19.2
[INFO] [stderr]   Downloaded pyo3-ffi v0.19.2
[INFO] [stderr]   Downloaded yrs v0.16.10
[INFO] [stderr]   Downloaded lib0 v0.16.10
[INFO] [stderr]   Downloaded syn v2.0.11
[INFO] [stderr]   Downloaded pyo3 v0.19.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c501784db7b57875e1d9a38165ca04adc8d98c726336bec31b5f2b8c8dfefc1b
[INFO] running `Command { std: "docker" "start" "-a" "c501784db7b57875e1d9a38165ca04adc8d98c726336bec31b5f2b8c8dfefc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c501784db7b57875e1d9a38165ca04adc8d98c726336bec31b5f2b8c8dfefc1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c501784db7b57875e1d9a38165ca04adc8d98c726336bec31b5f2b8c8dfefc1b", kill_on_drop: false }`
[INFO] [stdout] c501784db7b57875e1d9a38165ca04adc8d98c726336bec31b5f2b8c8dfefc1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb686efb6d33efef7f90d5ecab051c83fd997b504f527579ee6f87726e80d1ba
[INFO] running `Command { std: "docker" "start" "-a" "cb686efb6d33efef7f90d5ecab051c83fd997b504f527579ee6f87726e80d1ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling target-lexicon v0.12.6
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]     Checking atomic_refcell v0.1.9
[INFO] [stderr]     Checking unindent v0.1.11
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking arc-swap v1.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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]     Checking smallstr 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" "cb686efb6d33efef7f90d5ecab051c83fd997b504f527579ee6f87726e80d1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb686efb6d33efef7f90d5ecab051c83fd997b504f527579ee6f87726e80d1ba", kill_on_drop: false }`
[INFO] [stdout] cb686efb6d33efef7f90d5ecab051c83fd997b504f527579ee6f87726e80d1ba