[INFO] cloning repository https://github.com/io12/unf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/io12/unf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca2df47a9a2ac92cc441f402c35de5cfc7729e7b
[INFO] checking io12/unf against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/io12/unf
[INFO] finished tweaking git repo https://github.com/io12/unf
[INFO] tweaked toml for git repo https://github.com/io12/unf written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/io12/unf on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/io12/unf 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" "+63132bd615c9bf75e93af8405d00064212331708" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking io12/unf against try#63132bd615c9bf75e93af8405d00064212331708 for pr-153975
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fio12%2Funf" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/io12/unf
[INFO] finished tweaking git repo https://github.com/io12/unf
[INFO] tweaked toml for git repo https://github.com/io12/unf written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/io12/unf on toolchain 63132bd615c9bf75e93af8405d00064212331708
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/io12/unf 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" "+63132bd615c9bf75e93af8405d00064212331708" "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 v2.1.1
[INFO] [stderr]   Downloaded termtree v0.2.4
[INFO] [stderr]   Downloaded predicates-tree v1.0.5
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded promptly v0.3.1
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded deunicode v1.3.2
[INFO] [stderr]   Downloaded clap v3.2.20
[INFO] [stderr]   Downloaded rustix v0.35.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 176a1c7a61315dae4d5e1c0c4341915fbf0515b81c881773c01a4f616a03ab17
[INFO] running `Command { std: "docker" "start" "-a" "176a1c7a61315dae4d5e1c0c4341915fbf0515b81c881773c01a4f616a03ab17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "176a1c7a61315dae4d5e1c0c4341915fbf0515b81c881773c01a4f616a03ab17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176a1c7a61315dae4d5e1c0c4341915fbf0515b81c881773c01a4f616a03ab17", kill_on_drop: false }`
[INFO] [stdout] 176a1c7a61315dae4d5e1c0c4341915fbf0515b81c881773c01a4f616a03ab17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+63132bd615c9bf75e93af8405d00064212331708" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e7939203334330e289d007dc79b0aeb12818f55cb167ea65b11c7a1c9e90495
[INFO] running `Command { std: "docker" "start" "-a" "7e7939203334330e289d007dc79b0aeb12818f55cb167ea65b11c7a1c9e90495", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling io-lifetimes v0.7.3
[INFO] [stderr]    Compiling rustix v0.35.11
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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]     Checking predicates-tree v1.0.5
[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" "7e7939203334330e289d007dc79b0aeb12818f55cb167ea65b11c7a1c9e90495", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e7939203334330e289d007dc79b0aeb12818f55cb167ea65b11c7a1c9e90495", kill_on_drop: false }`
[INFO] [stdout] 7e7939203334330e289d007dc79b0aeb12818f55cb167ea65b11c7a1c9e90495