[INFO] cloning repository https://github.com/z4nder/rust-todo-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/z4nder/rust-todo-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-todo-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-todo-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3ee17b41c51995c9c2b4ce6792357e9d5bbc5cb
[INFO] checking z4nder/rust-todo-api against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-todo-api" "/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/z4nder/rust-todo-api on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/z4nder/rust-todo-api
[INFO] finished tweaking git repo https://github.com/z4nder/rust-todo-api
[INFO] tweaked toml for git repo https://github.com/z4nder/rust-todo-api written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/z4nder/rust-todo-api 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking z4nder/rust-todo-api against try#5cafabc9f16561d7796554d5d241c3068e2bd97f for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fz4nder%2Frust-todo-api" "/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/z4nder/rust-todo-api on toolchain 5cafabc9f16561d7796554d5d241c3068e2bd97f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/z4nder/rust-todo-api
[INFO] finished tweaking git repo https://github.com/z4nder/rust-todo-api
[INFO] tweaked toml for git repo https://github.com/z4nder/rust-todo-api written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/z4nder/rust-todo-api 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" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91d0383905e80d712e7e012557b1fa4c14c4c8fbff0b092267101a8acf5dca2e
[INFO] running `Command { std: "docker" "start" "-a" "91d0383905e80d712e7e012557b1fa4c14c4c8fbff0b092267101a8acf5dca2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91d0383905e80d712e7e012557b1fa4c14c4c8fbff0b092267101a8acf5dca2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d0383905e80d712e7e012557b1fa4c14c4c8fbff0b092267101a8acf5dca2e", kill_on_drop: false }`
[INFO] [stdout] 91d0383905e80d712e7e012557b1fa4c14c4c8fbff0b092267101a8acf5dca2e
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+5cafabc9f16561d7796554d5d241c3068e2bd97f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9469500894d17528cb607dd5149b376613ff6901b8562efefe693d9d3bb52215
[INFO] running `Command { std: "docker" "start" "-a" "9469500894d17528cb607dd5149b376613ff6901b8562efefe693d9d3bb52215", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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 num-iter v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustls v0.20.7
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling num-bigint-dig v0.8.2
[INFO] [stderr]    Compiling base64ct v1.5.3
[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" "9469500894d17528cb607dd5149b376613ff6901b8562efefe693d9d3bb52215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9469500894d17528cb607dd5149b376613ff6901b8562efefe693d9d3bb52215", kill_on_drop: false }`
[INFO] [stdout] 9469500894d17528cb607dd5149b376613ff6901b8562efefe693d9d3bb52215