[INFO] fetching crate rtcps 1.0.2...
[INFO] checking rtcps-1.0.2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate rtcps 1.0.2 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rtcps 1.0.2
[INFO] finished tweaking crates.io crate rtcps 1.0.2
[INFO] tweaked toml for crates.io crate rtcps 1.0.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rtcps 1.0.2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rtcps 1.0.2 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54f025b9d059eeb76deb552655cc6ad30b1cdf3e9b55e4628bcaea4c6cda80d6
[INFO] running `Command { std: "docker" "start" "-a" "54f025b9d059eeb76deb552655cc6ad30b1cdf3e9b55e4628bcaea4c6cda80d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54f025b9d059eeb76deb552655cc6ad30b1cdf3e9b55e4628bcaea4c6cda80d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54f025b9d059eeb76deb552655cc6ad30b1cdf3e9b55e4628bcaea4c6cda80d6", kill_on_drop: false }`
[INFO] [stdout] 54f025b9d059eeb76deb552655cc6ad30b1cdf3e9b55e4628bcaea4c6cda80d6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c159fcfb6fa5bd3e2c417a80f9faf21c19beede4adb63044a5ee32674dd9e16
[INFO] running `Command { std: "docker" "start" "-a" "7c159fcfb6fa5bd3e2c417a80f9faf21c19beede4adb63044a5ee32674dd9e16", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.51/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 async-task v4.3.0
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]     Checking atomic-waker v1.1.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]    Compiling async-process v1.6.0
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-syntax v0.6.28
[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" "7c159fcfb6fa5bd3e2c417a80f9faf21c19beede4adb63044a5ee32674dd9e16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c159fcfb6fa5bd3e2c417a80f9faf21c19beede4adb63044a5ee32674dd9e16", kill_on_drop: false }`
[INFO] [stdout] 7c159fcfb6fa5bd3e2c417a80f9faf21c19beede4adb63044a5ee32674dd9e16
