[INFO] cloning repository https://github.com/letorresdev/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/letorresdev/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d2b9a1bc9124b91e5e3a2db662cb39daae32b0
[INFO] checking letorresdev/rust-examples/64d2b9a1bc9124b91e5e3a2db662cb39daae32b0 against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fletorresdev%2Frust-examples" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/letorresdev/rust-examples on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/letorresdev/rust-examples
[INFO] finished tweaking git repo https://github.com/letorresdev/rust-examples
[INFO] tweaked toml for git repo https://github.com/letorresdev/rust-examples written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/letorresdev/rust-examples 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded openssl-sys v0.9.85
[INFO] [stderr]   Downloaded aws-types v0.55.1
[INFO] [stderr]   Downloaded xmlparser v0.13.5
[INFO] [stderr]   Downloaded aws-endpoint v0.55.1
[INFO] [stderr]   Downloaded aws-sdk-sso v0.26.0
[INFO] [stderr]   Downloaded aws-sigv4 v0.55.1
[INFO] [stderr]   Downloaded aws-credential-types v0.55.1
[INFO] [stderr]   Downloaded openssl v0.10.50
[INFO] [stderr]   Downloaded aws-config v0.55.1
[INFO] [stderr]   Downloaded aws-sdk-sts v0.26.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.55.1
[INFO] [stderr]   Downloaded h2 v0.3.17
[INFO] [stderr]   Downloaded aws-smithy-query v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-async v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-http-tower v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-client v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-types v0.55.1
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded aws-http v0.55.1
[INFO] [stderr]   Downloaded aws-sig-auth v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-http v0.55.1
[INFO] [stderr]   Downloaded aws-smithy-xml v0.55.1
[INFO] [stderr]   Downloaded aws-sdk-dynamodb v0.25.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40d5a12446b11d3e0103b4434f1d3429d13d9988975c99cc12167c211c66ff49
[INFO] running `Command { std: "docker" "start" "-a" "40d5a12446b11d3e0103b4434f1d3429d13d9988975c99cc12167c211c66ff49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40d5a12446b11d3e0103b4434f1d3429d13d9988975c99cc12167c211c66ff49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40d5a12446b11d3e0103b4434f1d3429d13d9988975c99cc12167c211c66ff49", kill_on_drop: false }`
[INFO] [stdout] 40d5a12446b11d3e0103b4434f1d3429d13d9988975c99cc12167c211c66ff49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28ef63fbe3a8378276a611394b4242567f145ac8f04622cbe68abde498393e83
[INFO] running `Command { std: "docker" "start" "-a" "28ef63fbe3a8378276a611394b4242567f145ac8f04622cbe68abde498393e83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 tower-service v0.3.2
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking outref v0.5.1
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking base64 v0.21.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking openssl-probe v0.1.5
[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" "28ef63fbe3a8378276a611394b4242567f145ac8f04622cbe68abde498393e83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28ef63fbe3a8378276a611394b4242567f145ac8f04622cbe68abde498393e83", kill_on_drop: false }`
[INFO] [stdout] 28ef63fbe3a8378276a611394b4242567f145ac8f04622cbe68abde498393e83