[INFO] cloning repository https://github.com/sleiner/nih-param-order-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleiner/nih-param-order-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleiner%2Fnih-param-order-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleiner%2Fnih-param-order-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0426829729a0e2961ba9a5f3ab3134be65095bd
[INFO] checking sleiner/nih-param-order-example against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleiner%2Fnih-param-order-example" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking git repo https://github.com/sleiner/nih-param-order-example
[INFO] finished tweaking git repo https://github.com/sleiner/nih-param-order-example
[INFO] tweaked toml for git repo https://github.com/sleiner/nih-param-order-example written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sleiner/nih-param-order-example on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sleiner/nih-param-order-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" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "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 win_dbg_logger v0.1.0
[INFO] [stderr]   Downloaded clap-sys v0.3.0
[INFO] [stderr]   Downloaded simplelog v0.12.0
[INFO] [stderr]   Downloaded cc v1.0.74
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2f2ca463b725e767c8bf4fc78897d1b4608af92c69419c6619c1c13a856d10f
[INFO] running `Command { std: "docker" "start" "-a" "c2f2ca463b725e767c8bf4fc78897d1b4608af92c69419c6619c1c13a856d10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2f2ca463b725e767c8bf4fc78897d1b4608af92c69419c6619c1c13a856d10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2f2ca463b725e767c8bf4fc78897d1b4608af92c69419c6619c1c13a856d10f", kill_on_drop: false }`
[INFO] [stdout] c2f2ca463b725e767c8bf4fc78897d1b4608af92c69419c6619c1c13a856d10f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4391730bf8ce7d020739013ec7dce5210d05396b5d3f7840a990380ccfba84dd
[INFO] running `Command { std: "docker" "start" "-a" "4391730bf8ce7d020739013ec7dce5210d05396b5d3f7840a990380ccfba84dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.74
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling crossbeam-queue v0.3.6
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling time-macros v0.2.6
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking cty v0.2.2
[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] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking reflink v0.1.3 (https://github.com/nicokoch/reflink.git?rev=e8d93b465f5d9ad340cd052b64bbc77b8ee107e2#e8d93b46)
[INFO] [stderr]     Checking raw-window-handle v0.4.3
[INFO] [stderr]     Checking clap-sys v0.3.0
[INFO] [stderr]     Checking midi-consts v0.1.0
[INFO] [stderr]     Checking widestring v1.0.2
[INFO] [stderr]     Checking atomic_refcell v0.1.8
[INFO] [stderr]     Checking atomic_float v0.1.0
[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" "4391730bf8ce7d020739013ec7dce5210d05396b5d3f7840a990380ccfba84dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4391730bf8ce7d020739013ec7dce5210d05396b5d3f7840a990380ccfba84dd", kill_on_drop: false }`
[INFO] [stdout] 4391730bf8ce7d020739013ec7dce5210d05396b5d3f7840a990380ccfba84dd