[INFO] cloning repository https://github.com/miyayamaM/clean_fizz_buzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miyayamaM/clean_fizz_buzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz'...
[INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/miyayamaM/clean_fizz_buzz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/miyayamaM/clean_fizz_buzz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e22a4ad75225cc074b5fd3b2b7b378e8adff65c
[INFO] checking miyayamaM/clean_fizz_buzz against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FmiyayamaM%2Fclean_fizz_buzz" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/miyayamaM/clean_fizz_buzz on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/miyayamaM/clean_fizz_buzz
[INFO] finished tweaking git repo https://github.com/miyayamaM/clean_fizz_buzz
[INFO] tweaked toml for git repo https://github.com/miyayamaM/clean_fizz_buzz written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/miyayamaM/clean_fizz_buzz 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ade5cefecd1644d00c3bd57cd4e0589ece41df6f304f306a02c849caa2c14e
[INFO] running `Command { std: "docker" "start" "-a" "02ade5cefecd1644d00c3bd57cd4e0589ece41df6f304f306a02c849caa2c14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ade5cefecd1644d00c3bd57cd4e0589ece41df6f304f306a02c849caa2c14e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ade5cefecd1644d00c3bd57cd4e0589ece41df6f304f306a02c849caa2c14e", kill_on_drop: false }`
[INFO] [stdout] 02ade5cefecd1644d00c3bd57cd4e0589ece41df6f304f306a02c849caa2c14e
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4958a6f1ba8be28d689b25f8dd330ba64c69b0ca89e1c7a9696d914a9755d64b
[INFO] running `Command { std: "docker" "start" "-a" "4958a6f1ba8be28d689b25f8dd330ba64c69b0ca89e1c7a9696d914a9755d64b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking downcast v0.11.0
[INFO] [stderr]     Checking fragile v2.0.0
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/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 aho-corasick v0.7.20
[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" "4958a6f1ba8be28d689b25f8dd330ba64c69b0ca89e1c7a9696d914a9755d64b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4958a6f1ba8be28d689b25f8dd330ba64c69b0ca89e1c7a9696d914a9755d64b", kill_on_drop: false }`
[INFO] [stdout] 4958a6f1ba8be28d689b25f8dd330ba64c69b0ca89e1c7a9696d914a9755d64b