[INFO] cloning repository https://github.com/0xSchellen/async_trait_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xSchellen/async_trait_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchellen%2Fasync_trait_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchellen%2Fasync_trait_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e82e7c508cd446ac4caf0eab4df531e3edb0a95
[INFO] building 0xSchellen/async_trait_example against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xSchellen%2Fasync_trait_example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0xSchellen/async_trait_example on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0xSchellen/async_trait_example
[INFO] finished tweaking git repo https://github.com/0xSchellen/async_trait_example
[INFO] tweaked toml for git repo https://github.com/0xSchellen/async_trait_example written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0xSchellen/async_trait_example 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded tokio-macros v2.0.0
[INFO] [stderr]   Downloaded security-framework-sys v2.8.0
[INFO] [stderr]   Downloaded reqwest v0.11.16
[INFO] [stderr]   Downloaded ipnet v2.7.2
[INFO] [stderr]   Downloaded base64 v0.21.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.84
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded serde v1.0.159
[INFO] [stderr]   Downloaded h2 v0.3.16
[INFO] [stderr]   Downloaded serde_json v1.0.95
[INFO] [stderr]   Downloaded schannel v0.1.21
[INFO] [stderr]   Downloaded hyper v0.14.25
[INFO] [stderr]   Downloaded serde_derive v1.0.159
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded openssl v0.10.49
[INFO] [stderr]   Downloaded rustix v0.37.11
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded web-sys v0.3.61
[INFO] [stderr]   Downloaded tokio v1.27.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91fbb0c6d8c6684d95a5d31c49b2dbdd4c81d72e0f11ede0d5cef177a54cff2a
[INFO] running `Command { std: "docker" "start" "-a" "91fbb0c6d8c6684d95a5d31c49b2dbdd4c81d72e0f11ede0d5cef177a54cff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91fbb0c6d8c6684d95a5d31c49b2dbdd4c81d72e0f11ede0d5cef177a54cff2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fbb0c6d8c6684d95a5d31c49b2dbdd4c81d72e0f11ede0d5cef177a54cff2a", kill_on_drop: false }`
[INFO] [stdout] 91fbb0c6d8c6684d95a5d31c49b2dbdd4c81d72e0f11ede0d5cef177a54cff2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9be10ecb42d67a0505801226c27e78d45a2dcc202e07a400a60e29e21edd1fd
[INFO] running `Command { std: "docker" "start" "-a" "e9be10ecb42d67a0505801226c27e78d45a2dcc202e07a400a60e29e21edd1fd", kill_on_drop: false }`
[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 libc v0.2.141
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling tokio v1.27.0
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling openssl v0.10.49
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.95
[INFO] [stderr]    Compiling want v0.3.0
[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]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling tracing v0.1.37
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[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" "e9be10ecb42d67a0505801226c27e78d45a2dcc202e07a400a60e29e21edd1fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9be10ecb42d67a0505801226c27e78d45a2dcc202e07a400a60e29e21edd1fd", kill_on_drop: false }`
[INFO] [stdout] e9be10ecb42d67a0505801226c27e78d45a2dcc202e07a400a60e29e21edd1fd
