[INFO] cloning repository https://github.com/ArkV1/project_n3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArkV1/project_n3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkV1%2Fproject_n3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkV1%2Fproject_n3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 396d5cc8341e9a00540ec46087682684706c8fef
[INFO] checking ArkV1/project_n3 against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArkV1%2Fproject_n3" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArkV1/project_n3 on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArkV1/project_n3
[INFO] finished tweaking git repo https://github.com/ArkV1/project_n3
[INFO] tweaked toml for git repo https://github.com/ArkV1/project_n3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ArkV1/project_n3 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.4
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.2
[INFO] [stderr]   Downloaded actix-macros v0.1.3
[INFO] [stderr]   Downloaded unic-langid-macros v0.9.1
[INFO] [stderr]   Downloaded pin-project-internal v0.4.30
[INFO] [stderr]   Downloaded actix-http v2.2.2
[INFO] [stderr]   Downloaded actix-threadpool v0.3.3
[INFO] [stderr]   Downloaded pest_generator v2.5.1
[INFO] [stderr]   Downloaded lru-cache v0.1.2
[INFO] [stderr]   Downloaded threadpool v1.8.1
[INFO] [stderr]   Downloaded resolv-conf v0.7.0
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded snafu-derive v0.7.3
[INFO] [stderr]   Downloaded widestring v0.4.3
[INFO] [stderr]   Downloaded actix-service v1.0.6
[INFO] [stderr]   Downloaded libc v0.2.138
[INFO] [stderr]   Downloaded brotli v3.3.4
[INFO] [stderr]   Downloaded intl_pluralrules v7.0.2
[INFO] [stderr]   Downloaded fluent-bundle v0.15.2
[INFO] [stderr]   Downloaded snafu v0.7.3
[INFO] [stderr]   Downloaded async-trait v0.1.59
[INFO] [stderr]   Downloaded openssl-sys v0.9.79
[INFO] [stderr]   Downloaded openssl v0.10.44
[INFO] [stderr]   Downloaded pest_derive v2.5.1
[INFO] [stderr]   Downloaded globset v0.4.9
[INFO] [stderr]   Downloaded tera v1.17.1
[INFO] [stderr]   Downloaded serde_json v1.0.89
[INFO] [stderr]   Downloaded syn v1.0.105
[INFO] [stderr]   Downloaded trust-dns-resolver v0.19.7
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded unic-langid-impl v0.9.1
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.83
[INFO] [stderr]   Downloaded trust-dns-proto v0.19.7
[INFO] [stderr]   Downloaded net2 v0.2.38
[INFO] [stderr]   Downloaded actix-web v3.3.3
[INFO] [stderr]   Downloaded arc-swap v1.5.1
[INFO] [stderr]   Downloaded cxx v1.0.83
[INFO] [stderr]   Downloaded cxx-build v1.0.83
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded pest v2.5.1
[INFO] [stderr]   Downloaded serde v1.0.149
[INFO] [stderr]   Downloaded chrono-tz v0.6.3
[INFO] [stderr]   Downloaded fluent v0.16.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.4.0
[INFO] [stderr]   Downloaded actix-testing v1.0.1
[INFO] [stderr]   Downloaded type-map v0.4.0
[INFO] [stderr]   Downloaded intl-memoizer v0.5.1
[INFO] [stderr]   Downloaded actix-connect v2.0.0
[INFO] [stderr]   Downloaded awc v2.0.3
[INFO] [stderr]   Downloaded actix-server v1.0.4
[INFO] [stderr]   Downloaded ipconfig v0.2.2
[INFO] [stderr]   Downloaded enum-as-inner v0.3.4
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded actix-tls v2.0.0
[INFO] [stderr]   Downloaded actix-utils v2.0.0
[INFO] [stderr]   Downloaded fluent-langneg v0.13.0
[INFO] [stderr]   Downloaded fluent-template-macros v0.8.0
[INFO] [stderr]   Downloaded phf_shared v0.11.1
[INFO] [stderr]   Downloaded pest_meta v2.5.1
[INFO] [stderr]   Downloaded actix-rt v1.1.1
[INFO] [stderr]   Downloaded self_cell v0.10.2
[INFO] [stderr]   Downloaded bytestring v1.2.0
[INFO] [stderr]   Downloaded actix-codec v0.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.149
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded unic-langid v0.9.1
[INFO] [stderr]   Downloaded actix-web-middleware-redirect-scheme v3.0.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded pin-project v0.4.30
[INFO] [stderr]   Downloaded tokio-openssl v0.4.0
[INFO] [stderr]   Downloaded copyless v0.1.5
[INFO] [stderr]   Downloaded fluent-syntax v0.11.0
[INFO] [stderr]   Downloaded fluent-templates v0.8.0
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.83
[INFO] [stderr]   Downloaded cc v1.0.77
[INFO] [stderr]   Downloaded phf_generator v0.11.1
[INFO] [stderr]   Downloaded phf_codegen v0.11.1
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.3
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded phf v0.11.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.14
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded tinystr v0.7.0
[INFO] [stderr]   Downloaded unic-langid-macros-impl v0.9.1
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 884e805fdb7ee611802e6cf593532aee55584384100c7d690c326e1edbba6f58
[INFO] running `Command { std: "docker" "start" "-a" "884e805fdb7ee611802e6cf593532aee55584384100c7d690c326e1edbba6f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "884e805fdb7ee611802e6cf593532aee55584384100c7d690c326e1edbba6f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "884e805fdb7ee611802e6cf593532aee55584384100c7d690c326e1edbba6f58", kill_on_drop: false }`
[INFO] [stdout] 884e805fdb7ee611802e6cf593532aee55584384100c7d690c326e1edbba6f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c3618f8223c259a68257064cd06bbe4b836e9a7dd907ebe848b5dd663a7942a
[INFO] running `Command { std: "docker" "start" "-a" "1c3618f8223c259a68257064cd06bbe4b836e9a7dd907ebe848b5dd663a7942a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] [stdout] error: aborting due to previous error
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1c3618f8223c259a68257064cd06bbe4b836e9a7dd907ebe848b5dd663a7942a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3618f8223c259a68257064cd06bbe4b836e9a7dd907ebe848b5dd663a7942a", kill_on_drop: false }`
[INFO] [stdout] 1c3618f8223c259a68257064cd06bbe4b836e9a7dd907ebe848b5dd663a7942a