[INFO] cloning repository https://github.com/misty1999/rustlings_solution
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/misty1999/rustlings_solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frustlings_solution", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frustlings_solution'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c306792449ae3d9870f9991622590f757872c4e9
[INFO] checking misty1999/rustlings_solution against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frustlings_solution" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/misty1999/rustlings_solution
[INFO] finished tweaking git repo https://github.com/misty1999/rustlings_solution
[INFO] tweaked toml for git repo https://github.com/misty1999/rustlings_solution written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/misty1999/rustlings_solution on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/misty1999/rustlings_solution 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" "+5b237c915528dadada3f674b90c7c80368b632be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking misty1999/rustlings_solution against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frustlings_solution" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/misty1999/rustlings_solution
[INFO] finished tweaking git repo https://github.com/misty1999/rustlings_solution
[INFO] tweaked toml for git repo https://github.com/misty1999/rustlings_solution written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/misty1999/rustlings_solution on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/misty1999/rustlings_solution 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" "+5b237c915528dadada3f674b90c7c80368b632be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.53
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded clap v4.4.3
[INFO] [stderr]   Downloaded serde_json v1.0.94
[INFO] [stderr]   Downloaded syn v2.0.8
[INFO] [stderr]   Downloaded clap_builder v4.4.2
[INFO] [stderr]   Downloaded regex v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593
[INFO] running `Command { std: "docker" "start" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling proc-macro2 v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking clap_lex v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking home v0.5.4
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]     Checking clap_builder v4.4.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.53/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[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" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593", kill_on_drop: false }`
[INFO] [stdout] 0d3528d797d827353df80866670a565de3bf8501851ef146878c7791a462e593
