[INFO] cloning repository https://github.com/Ayushkkkkkkk/cpr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ayushkkkkkkk/cpr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushkkkkkkk%2Fcpr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushkkkkkkk%2Fcpr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3fe1252a02edd5ad9a62cff5de1e6c8d66c75f4
[INFO] checking Ayushkkkkkkk/cpr against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAyushkkkkkkk%2Fcpr" "/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/Ayushkkkkkkk/cpr on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/Ayushkkkkkkk/cpr
[INFO] finished tweaking git repo https://github.com/Ayushkkkkkkk/cpr
[INFO] tweaked toml for git repo https://github.com/Ayushkkkkkkk/cpr written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ayushkkkkkkk/cpr 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b131db2a8f2df92a7e32fcf3c395b358dfb2e31ff291db0cf592bd292fe2ba37
[INFO] running `Command { std: "docker" "start" "-a" "b131db2a8f2df92a7e32fcf3c395b358dfb2e31ff291db0cf592bd292fe2ba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b131db2a8f2df92a7e32fcf3c395b358dfb2e31ff291db0cf592bd292fe2ba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b131db2a8f2df92a7e32fcf3c395b358dfb2e31ff291db0cf592bd292fe2ba37", kill_on_drop: false }`
[INFO] [stdout] b131db2a8f2df92a7e32fcf3c395b358dfb2e31ff291db0cf592bd292fe2ba37
[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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11b9738f01281736d3f8f2652e3b4fedb722ff03cf7941fa779890d1f351fc85
[INFO] running `Command { std: "docker" "start" "-a" "11b9738f01281736d3f8f2652e3b4fedb722ff03cf7941fa779890d1f351fc85", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling strum v0.18.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking itoa v1.0.4
[INFO] [stderr]    Compiling cc v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling cairo-rs v0.9.1
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling pango v0.9.1
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[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" "11b9738f01281736d3f8f2652e3b4fedb722ff03cf7941fa779890d1f351fc85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11b9738f01281736d3f8f2652e3b4fedb722ff03cf7941fa779890d1f351fc85", kill_on_drop: false }`
[INFO] [stdout] 11b9738f01281736d3f8f2652e3b4fedb722ff03cf7941fa779890d1f351fc85
