[INFO] cloning repository https://github.com/MFEK/pathops
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MFEK/pathops" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMFEK%2Fpathops", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMFEK%2Fpathops'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5d3ff1cebba605feecc56639f59a540b3677558
[INFO] checking MFEK/pathops against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMFEK%2Fpathops" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MFEK/pathops on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MFEK/pathops
[INFO] finished tweaking git repo https://github.com/MFEK/pathops
[INFO] tweaked toml for git repo https://github.com/MFEK/pathops written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MFEK/pathops 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/MFEK/math.rlib`
[INFO] [stderr]     Updating git repository `https://github.com/MFEK/clap.rlib`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/MFEK/glifparser.rlib`
[INFO] [stderr]     Updating git repository `https://github.com/MFEK/integer_or_float.rlib`
[INFO] [stderr] error: invalid type: string "-C link-arg=-nostartfiles", expected a sequence
[INFO] [stderr]   --> ../../../cargo-home/git/checkouts/integer_or_float.rlib-d481992a68788585/f647351/ensure_no_std/Cargo.toml:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 | rustflags = "-C link-arg=-nostartfiles"
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking MFEK/pathops against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMFEK%2Fpathops" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MFEK/pathops on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/MFEK/pathops
[INFO] finished tweaking git repo https://github.com/MFEK/pathops
[INFO] tweaked toml for git repo https://github.com/MFEK/pathops written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MFEK/pathops 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: invalid type: string "-C link-arg=-nostartfiles", expected a sequence
[INFO] [stderr]   --> ../../../cargo-home/git/checkouts/integer_or_float.rlib-d481992a68788585/f647351/ensure_no_std/Cargo.toml:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 | rustflags = "-C link-arg=-nostartfiles"
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded skia-bindings v0.55.0
[INFO] [stderr]   Downloaded roots v0.0.7
[INFO] [stderr]   Downloaded embed-doc-image v0.1.4
[INFO] [stderr]   Downloaded indoc v1.0.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.54
[INFO] [stderr]   Downloaded skia-safe v0.55.0
[INFO] [stderr]   Downloaded flo_curves v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7043771419c1ec73769c3f54e436ad6c005a8bcb9ceb1803083e4c601b461a61
[INFO] running `Command { std: "docker" "start" "-a" "7043771419c1ec73769c3f54e436ad6c005a8bcb9ceb1803083e4c601b461a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7043771419c1ec73769c3f54e436ad6c005a8bcb9ceb1803083e4c601b461a61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7043771419c1ec73769c3f54e436ad6c005a8bcb9ceb1803083e4c601b461a61", kill_on_drop: false }`
[INFO] [stdout] 7043771419c1ec73769c3f54e436ad6c005a8bcb9ceb1803083e4c601b461a61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b88d3519af66a99e9fd1bb32740ad93feeff9f6766bbbeb3becc1f3c850c260
[INFO] running `Command { std: "docker" "start" "-a" "4b88d3519af66a99e9fd1bb32740ad93feeff9f6766bbbeb3becc1f3c850c260", kill_on_drop: false }`
[INFO] [stderr] error: invalid type: string "-C link-arg=-nostartfiles", expected a sequence
[INFO] [stderr]   --> ../cargo-home/git/checkouts/integer_or_float.rlib-d481992a68788585/f647351/ensure_no_std/Cargo.toml:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 | rustflags = "-C link-arg=-nostartfiles"
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling syn v1.0.102
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.86
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling clang-sys v1.4.0
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[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]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[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" "4b88d3519af66a99e9fd1bb32740ad93feeff9f6766bbbeb3becc1f3c850c260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b88d3519af66a99e9fd1bb32740ad93feeff9f6766bbbeb3becc1f3c850c260", kill_on_drop: false }`
[INFO] [stdout] 4b88d3519af66a99e9fd1bb32740ad93feeff9f6766bbbeb3becc1f3c850c260