[INFO] cloning repository https://github.com/cypherchabon/backend-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cypherchabon/backend-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f835e83e061241ce0b5bf24abef79f36394de2b0
[INFO] checking cypherchabon/backend-demo against master#3cdcdaf31b45f8045164aae9604573d23091970b for pr-122267
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo" "/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/cypherchabon/backend-demo on toolchain 3cdcdaf31b45f8045164aae9604573d23091970b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3cdcdaf31b45f8045164aae9604573d23091970b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cypherchabon/backend-demo
[INFO] finished tweaking git repo https://github.com/cypherchabon/backend-demo
[INFO] tweaked toml for git repo https://github.com/cypherchabon/backend-demo written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/cypherchabon/backend-demo 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" "+3cdcdaf31b45f8045164aae9604573d23091970b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking cypherchabon/backend-demo against try#05804f728f276cf7ecedbf71c814df440d37f293 for pr-122267
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcypherchabon%2Fbackend-demo" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cypherchabon/backend-demo on toolchain 05804f728f276cf7ecedbf71c814df440d37f293
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cypherchabon/backend-demo
[INFO] finished tweaking git repo https://github.com/cypherchabon/backend-demo
[INFO] tweaked toml for git repo https://github.com/cypherchabon/backend-demo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cypherchabon/backend-demo 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" "+05804f728f276cf7ecedbf71c814df440d37f293" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_derive v2.5.4
[INFO] [stderr]   Downloaded pest_generator v2.5.4
[INFO] [stderr]   Downloaded pest_meta v2.5.4
[INFO] [stderr]   Downloaded pest v2.5.4
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7adc0548155edda349cdd29a35a4211521c27b1b005c600b4cd1bca8fdc01765
[INFO] running `Command { std: "docker" "start" "-a" "7adc0548155edda349cdd29a35a4211521c27b1b005c600b4cd1bca8fdc01765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7adc0548155edda349cdd29a35a4211521c27b1b005c600b4cd1bca8fdc01765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7adc0548155edda349cdd29a35a4211521c27b1b005c600b4cd1bca8fdc01765", kill_on_drop: false }`
[INFO] [stdout] 7adc0548155edda349cdd29a35a4211521c27b1b005c600b4cd1bca8fdc01765
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+05804f728f276cf7ecedbf71c814df440d37f293" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8047dc79bc143be3b6cffc4e7b5a460a581c32e86a34c0d035d268f6f929869
[INFO] running `Command { std: "docker" "start" "-a" "f8047dc79bc143be3b6cffc4e7b5a460a581c32e86a34c0d035d268f6f929869", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/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]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stdout] error: aborting due to 1 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" "f8047dc79bc143be3b6cffc4e7b5a460a581c32e86a34c0d035d268f6f929869", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8047dc79bc143be3b6cffc4e7b5a460a581c32e86a34c0d035d268f6f929869", kill_on_drop: false }`
[INFO] [stdout] f8047dc79bc143be3b6cffc4e7b5a460a581c32e86a34c0d035d268f6f929869