[INFO] cloning repository https://github.com/johnernaut/pentair-screenlogic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/johnernaut/pentair-screenlogic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnernaut%2Fpentair-screenlogic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnernaut%2Fpentair-screenlogic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb99c1474e06c545bd00903ac9ee64ddb11f6590
[INFO] checking johnernaut/pentair-screenlogic against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjohnernaut%2Fpentair-screenlogic" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/johnernaut/pentair-screenlogic
[INFO] finished tweaking git repo https://github.com/johnernaut/pentair-screenlogic
[INFO] tweaked toml for git repo https://github.com/johnernaut/pentair-screenlogic written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/johnernaut/pentair-screenlogic on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/johnernaut/pentair-screenlogic 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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce2ee521a4257afb6c7ae6afc1b7c284a1322fe3be1f2ac17df1f962471a1a27
[INFO] running `Command { std: "docker" "start" "-a" "ce2ee521a4257afb6c7ae6afc1b7c284a1322fe3be1f2ac17df1f962471a1a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce2ee521a4257afb6c7ae6afc1b7c284a1322fe3be1f2ac17df1f962471a1a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce2ee521a4257afb6c7ae6afc1b7c284a1322fe3be1f2ac17df1f962471a1a27", kill_on_drop: false }`
[INFO] [stdout] ce2ee521a4257afb6c7ae6afc1b7c284a1322fe3be1f2ac17df1f962471a1a27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e243c9bd2ca7fec2c7325c57ae1fd1a98ae148318bf3fb5f2e423a817c7a76
[INFO] running `Command { std: "docker" "start" "-a" "75e243c9bd2ca7fec2c7325c57ae1fd1a98ae148318bf3fb5f2e423a817c7a76", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.149
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.149
[INFO] [stderr]    Compiling tokio v1.22.0
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]     Checking futures-sink v0.3.25
[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] 
[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" "75e243c9bd2ca7fec2c7325c57ae1fd1a98ae148318bf3fb5f2e423a817c7a76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e243c9bd2ca7fec2c7325c57ae1fd1a98ae148318bf3fb5f2e423a817c7a76", kill_on_drop: false }`
[INFO] [stdout] 75e243c9bd2ca7fec2c7325c57ae1fd1a98ae148318bf3fb5f2e423a817c7a76