[INFO] cloning repository https://github.com/ddprrt/microservice-rust-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddprrt/microservice-rust-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddprrt%2Fmicroservice-rust-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddprrt%2Fmicroservice-rust-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a868fce73506eb6a797903cf957d75487032c4a
[INFO] checking ddprrt/microservice-rust-workshop/4a868fce73506eb6a797903cf957d75487032c4a against master#55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d for pr-146300
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddprrt%2Fmicroservice-rust-workshop" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ddprrt/microservice-rust-workshop
[INFO] finished tweaking git repo https://github.com/ddprrt/microservice-rust-workshop
[INFO] tweaked toml for git repo https://github.com/ddprrt/microservice-rust-workshop written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ddprrt/microservice-rust-workshop on toolchain 55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ddprrt/microservice-rust-workshop 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" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matchit v0.6.0
[INFO] [stderr]   Downloaded gag v1.0.0
[INFO] [stderr]   Downloaded axum-core v0.3.0-rc.2
[INFO] [stderr]   Downloaded filedescriptor v0.8.2
[INFO] [stderr]   Downloaded axum v0.6.0-rc.2
[INFO] [stderr]   Downloaded async-compression v0.3.15
[INFO] [stderr]   Downloaded hyper v0.14.22
[INFO] [stderr]   Downloaded tower-http v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a88f55d789146eb5104fb428c304f67d465dc8316b5141a94e93add97c87038e
[INFO] running `Command { std: "docker" "start" "-a" "a88f55d789146eb5104fb428c304f67d465dc8316b5141a94e93add97c87038e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a88f55d789146eb5104fb428c304f67d465dc8316b5141a94e93add97c87038e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a88f55d789146eb5104fb428c304f67d465dc8316b5141a94e93add97c87038e", kill_on_drop: false }`
[INFO] [stdout] a88f55d789146eb5104fb428c304f67d465dc8316b5141a94e93add97c87038e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+55b9b4d1e1bb5b46c04237a2fb2f8a85f39ef97d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c73dd0d4e1dd2389ca39ebf8b994f587ab769b15a4848e63793480d28d7294c8
[INFO] running `Command { std: "docker" "start" "-a" "c73dd0d4e1dd2389ca39ebf8b994f587ab769b15a4848e63793480d28d7294c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]     Checking futures-io v0.3.25
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]     Checking brotli-decompressor v2.3.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling async-trait v0.1.58
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking http-range-header v0.3.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.47/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]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sync_wrapper v0.1.1
[INFO] [stderr]     Checking matchit v0.6.0
[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" "c73dd0d4e1dd2389ca39ebf8b994f587ab769b15a4848e63793480d28d7294c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73dd0d4e1dd2389ca39ebf8b994f587ab769b15a4848e63793480d28d7294c8", kill_on_drop: false }`
[INFO] [stdout] c73dd0d4e1dd2389ca39ebf8b994f587ab769b15a4848e63793480d28d7294c8