[INFO] cloning repository https://github.com/GargDivanshu/rust-chatapp-practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GargDivanshu/rust-chatapp-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGargDivanshu%2Frust-chatapp-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGargDivanshu%2Frust-chatapp-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 459c95e253fd9719b271d847070dbb82ed4b9489
[INFO] checking GargDivanshu/rust-chatapp-practice/459c95e253fd9719b271d847070dbb82ed4b9489 against 67854e511de21d881bb16426996cd4259d44aa2e for pr-161154
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGargDivanshu%2Frust-chatapp-practice" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/GargDivanshu/rust-chatapp-practice
[INFO] finished tweaking git repo https://github.com/GargDivanshu/rust-chatapp-practice
[INFO] tweaked toml for git repo https://github.com/GargDivanshu/rust-chatapp-practice written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/GargDivanshu/rust-chatapp-practice on toolchain 67854e511de21d881bb16426996cd4259d44aa2e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+67854e511de21d881bb16426996cd4259d44aa2e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/GargDivanshu/rust-chatapp-practice 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" "+67854e511de21d881bb16426996cd4259d44aa2e" "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 ubyte v0.10.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.49
[INFO] [stderr]   Downloaded tokio-stream v0.1.11
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded ref-cast v1.0.14
[INFO] [stderr]   Downloaded serde_derive v1.0.152
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.14
[INFO] [stderr]   Downloaded time-macros v0.2.6
[INFO] [stderr]   Downloaded generator v0.7.2
[INFO] [stderr]   Downloaded rustversion v1.0.11
[INFO] [stderr]   Downloaded ghash v0.5.0
[INFO] [stderr]   Downloaded cc v1.0.78
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded multer v2.0.4
[INFO] [stderr]   Downloaded async-trait v0.1.60
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded toml v0.5.10
[INFO] [stderr]   Downloaded serde_json v1.0.91
[INFO] [stderr]   Downloaded figment v0.10.8
[INFO] [stderr]   Downloaded aes v0.8.2
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded regex v1.7.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.28
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.39.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.39.0
[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0
[INFO] running `Command { std: "docker" "start" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0" "/opt/rustwide/cargo-home/bin/cargo" "+67854e511de21d881bb16426996cd4259d44aa2e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0" "/opt/rustwide/cargo-home/bin/cargo" "+67854e511de21d881bb16426996cd4259d44aa2e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling ref-cast v1.0.14
[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] [stderr]     Checking http v0.2.8
[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]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[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" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0", kill_on_drop: false }`
[INFO] [stdout] 4bf1e86782a60d8ff50c013b4aad6440e678d0bf5e74ba310ad4992bee575dd0
