[INFO] cloning repository https://github.com/Mountlex/xivar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mountlex/xivar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea72b2fc6e913c80eba9027e3dc567b6b97cbf3c
[INFO] checking Mountlex/xivar against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMountlex%2Fxivar" "/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/Mountlex/xivar on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mountlex/xivar
[INFO] finished tweaking git repo https://github.com/Mountlex/xivar
[INFO] tweaked toml for git repo https://github.com/Mountlex/xivar written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mountlex/xivar 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" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "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] 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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5244228cbb89d8234e56880c6dbcc869f11e2270cac6627871d1551e2454be65
[INFO] running `Command { std: "docker" "start" "-a" "5244228cbb89d8234e56880c6dbcc869f11e2270cac6627871d1551e2454be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5244228cbb89d8234e56880c6dbcc869f11e2270cac6627871d1551e2454be65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5244228cbb89d8234e56880c6dbcc869f11e2270cac6627871d1551e2454be65", kill_on_drop: false }`
[INFO] [stdout] 5244228cbb89d8234e56880c6dbcc869f11e2270cac6627871d1551e2454be65
[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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77b50a57c6de5772a6a169c183a1e24c287a9bdd24852ff34d5e44758b824a7
[INFO] running `Command { std: "docker" "start" "-a" "d77b50a57c6de5772a6a169c183a1e24c287a9bdd24852ff34d5e44758b824a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]    Compiling tokio v1.24.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling io-lifetimes v1.0.3
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking gethostname v0.2.3
[INFO] [stderr]     Checking ucd-trie v0.1.5
[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]     Checking tracing v0.1.37
[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" "d77b50a57c6de5772a6a169c183a1e24c287a9bdd24852ff34d5e44758b824a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77b50a57c6de5772a6a169c183a1e24c287a9bdd24852ff34d5e44758b824a7", kill_on_drop: false }`
[INFO] [stdout] d77b50a57c6de5772a6a169c183a1e24c287a9bdd24852ff34d5e44758b824a7