[INFO] cloning repository https://github.com/hezhuozhuo/study-grrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hezhuozhuo/study-grrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ef9c6ff4e0bfbde9689bda760d0ad3c4cc2a1f4
[INFO] checking hezhuozhuo/study-grrs against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hezhuozhuo/study-grrs on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] finished tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] tweaked toml for git repo https://github.com/hezhuozhuo/study-grrs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hezhuozhuo/study-grrs 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 hezhuozhuo/study-grrs against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hezhuozhuo/study-grrs on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] finished tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] tweaked toml for git repo https://github.com/hezhuozhuo/study-grrs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hezhuozhuo/study-grrs 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 hezhuozhuo/study-grrs against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hezhuozhuo/study-grrs on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] finished tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] tweaked toml for git repo https://github.com/hezhuozhuo/study-grrs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hezhuozhuo/study-grrs 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 hezhuozhuo/study-grrs against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhezhuozhuo%2Fstudy-grrs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hezhuozhuo/study-grrs on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] finished tweaking git repo https://github.com/hezhuozhuo/study-grrs
[INFO] tweaked toml for git repo https://github.com/hezhuozhuo/study-grrs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hezhuozhuo/study-grrs 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" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "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 predicates v2.1.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.6
[INFO] [stderr]   Downloaded assert_fs v1.0.9
[INFO] [stderr]   Downloaded bstr v1.0.1
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 468e47e96e8051f772550902dd3fa16d99d05fc610b3fd44bb1c70cd03c774cd
[INFO] running `Command { std: "docker" "start" "-a" "468e47e96e8051f772550902dd3fa16d99d05fc610b3fd44bb1c70cd03c774cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "468e47e96e8051f772550902dd3fa16d99d05fc610b3fd44bb1c70cd03c774cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468e47e96e8051f772550902dd3fa16d99d05fc610b3fd44bb1c70cd03c774cd", kill_on_drop: false }`
[INFO] [stdout] 468e47e96e8051f772550902dd3fa16d99d05fc610b3fd44bb1c70cd03c774cd
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f19b36c167fe85e96929ffcdd371dad38dad04a9cbb4c07e5631bee6f3cd4cf
[INFO] running `Command { std: "docker" "start" "-a" "2f19b36c167fe85e96929ffcdd371dad38dad04a9cbb4c07e5631bee6f3cd4cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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 regex-automata v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[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" "2f19b36c167fe85e96929ffcdd371dad38dad04a9cbb4c07e5631bee6f3cd4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f19b36c167fe85e96929ffcdd371dad38dad04a9cbb4c07e5631bee6f3cd4cf", kill_on_drop: false }`
[INFO] [stdout] 2f19b36c167fe85e96929ffcdd371dad38dad04a9cbb4c07e5631bee6f3cd4cf