[INFO] fetching crate tokio-xmpp 3.3.0...
[INFO] checking tokio-xmpp-3.3.0 against try#377afada703be70d3fdff9164a481570a3cba7fe for pr-113240
[INFO] extracting crate tokio-xmpp 3.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate tokio-xmpp 3.3.0 on toolchain 377afada703be70d3fdff9164a481570a3cba7fe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-xmpp 3.3.0
[INFO] finished tweaking crates.io crate tokio-xmpp 3.3.0
[INFO] tweaked toml for crates.io crate tokio-xmpp 3.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate tokio-xmpp 3.3.0 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" "+377afada703be70d3fdff9164a481570a3cba7fe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+377afada703be70d3fdff9164a481570a3cba7fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a35c526b316ba3d546ed22a61c064517b350513136b16c9974e7a770a6d5cb85
[INFO] running `Command { std: "docker" "start" "-a" "a35c526b316ba3d546ed22a61c064517b350513136b16c9974e7a770a6d5cb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a35c526b316ba3d546ed22a61c064517b350513136b16c9974e7a770a6d5cb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a35c526b316ba3d546ed22a61c064517b350513136b16c9974e7a770a6d5cb85", kill_on_drop: false }`
[INFO] [stdout] a35c526b316ba3d546ed22a61c064517b350513136b16c9974e7a770a6d5cb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+377afada703be70d3fdff9164a481570a3cba7fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afdfdd7c8d72102e463124007634b6589f206a6b3b0983b2aa34b397750937d2
[INFO] running `Command { std: "docker" "start" "-a" "afdfdd7c8d72102e463124007634b6589f206a6b3b0983b2aa34b397750937d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.58
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tokio v1.28.1
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling openssl-sys v0.9.87
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]     Checking rxml_validation v0.9.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stderr]     Checking keccak v0.1.4
[INFO] [stderr]     Checking data-encoding v2.3.3
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]    Compiling tokio-xmpp v3.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.58/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" "afdfdd7c8d72102e463124007634b6589f206a6b3b0983b2aa34b397750937d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afdfdd7c8d72102e463124007634b6589f206a6b3b0983b2aa34b397750937d2", kill_on_drop: false }`
[INFO] [stdout] afdfdd7c8d72102e463124007634b6589f206a6b3b0983b2aa34b397750937d2