[INFO] cloning repository https://github.com/rjmac/simplify
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rjmac/simplify" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjmac%2Fsimplify", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjmac%2Fsimplify'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f2e2e48477a6fc152c27542b75c4d7002e1357a
[INFO] checking rjmac/simplify against master#27d8a577138c0d319a572cd1a464c2b755e577de for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjmac%2Fsimplify" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rjmac/simplify on toolchain 27d8a577138c0d319a572cd1a464c2b755e577de
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+27d8a577138c0d319a572cd1a464c2b755e577de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjmac/simplify
[INFO] finished tweaking git repo https://github.com/rjmac/simplify
[INFO] tweaked toml for git repo https://github.com/rjmac/simplify written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rjmac/simplify 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" "+27d8a577138c0d319a572cd1a464c2b755e577de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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 rjmac/simplify against try#8bdbfd41bed26c4938a9f14bd20556eac1de8437 for pr-118882
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frjmac%2Fsimplify" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rjmac/simplify on toolchain 8bdbfd41bed26c4938a9f14bd20556eac1de8437
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rjmac/simplify
[INFO] finished tweaking git repo https://github.com/rjmac/simplify
[INFO] tweaked toml for git repo https://github.com/rjmac/simplify written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rjmac/simplify 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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "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 atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded float_next_after v1.0.0
[INFO] [stderr]   Downloaded float_next_after v0.1.5
[INFO] [stderr]   Downloaded critical-section v1.1.1
[INFO] [stderr]   Downloaded spin v0.9.6
[INFO] [stderr]   Downloaded robust v0.2.3
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded heapless v0.7.16
[INFO] [stderr]   Downloaded accurate v0.3.1
[INFO] [stderr]   Downloaded semver v1.0.17
[INFO] [stderr]   Downloaded geo v0.24.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.52
[INFO] [stderr]   Downloaded geo v0.23.1
[INFO] [stderr]   Downloaded geographiclib-rs v0.2.3
[INFO] [stderr]   Downloaded rstar v0.9.3
[INFO] [stderr]   Downloaded geo-types v0.7.9
[INFO] [stderr]   Downloaded rstar v0.10.0
[INFO] [stderr]   Downloaded hash32 v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acdb6e6a80b27d89545a6f95dd9ca721ff70a04857d0e7c72b3eaded6986411a
[INFO] running `Command { std: "docker" "start" "-a" "acdb6e6a80b27d89545a6f95dd9ca721ff70a04857d0e7c72b3eaded6986411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acdb6e6a80b27d89545a6f95dd9ca721ff70a04857d0e7c72b3eaded6986411a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acdb6e6a80b27d89545a6f95dd9ca721ff70a04857d0e7c72b3eaded6986411a", kill_on_drop: false }`
[INFO] [stdout] acdb6e6a80b27d89545a6f95dd9ca721ff70a04857d0e7c72b3eaded6986411a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+8bdbfd41bed26c4938a9f14bd20556eac1de8437" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6baf8bb52f68fe3fe4ce7af00b899cd9940d6c2dc1c524bcd5f987587f217c30
[INFO] running `Command { std: "docker" "start" "-a" "6baf8bb52f68fe3fe4ce7af00b899cd9940d6c2dc1c524bcd5f987587f217c30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling semver v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v1.0.52
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking spin v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.156
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling serde v1.0.156
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking robust v0.2.3
[INFO] [stderr]     Checking float_next_after v1.0.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.52/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] [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" "6baf8bb52f68fe3fe4ce7af00b899cd9940d6c2dc1c524bcd5f987587f217c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6baf8bb52f68fe3fe4ce7af00b899cd9940d6c2dc1c524bcd5f987587f217c30", kill_on_drop: false }`
[INFO] [stdout] 6baf8bb52f68fe3fe4ce7af00b899cd9940d6c2dc1c524bcd5f987587f217c30