[INFO] cloning repository https://github.com/ChristopherJMiller/chatterbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristopherJMiller/chatterbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fchatterbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fchatterbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93360594ce1098bb47c7c03a8c72edebe8b17678
[INFO] checking ChristopherJMiller/chatterbox against master#a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb for pr-151109
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristopherJMiller%2Fchatterbox" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ChristopherJMiller/chatterbox
[INFO] finished tweaking git repo https://github.com/ChristopherJMiller/chatterbox
[INFO] tweaked toml for git repo https://github.com/ChristopherJMiller/chatterbox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ChristopherJMiller/chatterbox on toolchain a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ChristopherJMiller/chatterbox 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" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded markup v0.13.1
[INFO] [stderr]   Downloaded markup-proc-macro v0.13.1
[INFO] [stderr]   Downloaded bb8 v0.8.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.10
[INFO] [stderr]   Downloaded postgres-protocol v0.6.5
[INFO] [stderr]   Downloaded diesel_derives v2.0.2
[INFO] [stderr]   Downloaded socket2 v0.5.2
[INFO] [stderr]   Downloaded png v0.17.5
[INFO] [stderr]   Downloaded tokio-postgres v0.7.8
[INFO] [stderr]   Downloaded openssl-sys v0.9.87
[INFO] [stderr]   Downloaded diesel-async v0.2.2
[INFO] [stderr]   Downloaded pin-project v1.0.10
[INFO] [stderr]   Downloaded reqwest v0.11.17
[INFO] [stderr]   Downloaded flume v0.10.12
[INFO] [stderr]   Downloaded deflate v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded image v0.24.4
[INFO] [stderr]   Downloaded openssl v0.10.52
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.1
[INFO] [stderr]   Downloaded half v2.1.0
[INFO] [stderr]   Downloaded diesel v2.0.4
[INFO] [stderr]   Downloaded gif v0.11.3
[INFO] [stderr]   Downloaded weezl v0.1.6
[INFO] [stderr]   Downloaded postgres-types v0.2.5
[INFO] [stderr]   Downloaded jpeg-decoder v0.2.6
[INFO] [stderr]   Downloaded linux-raw-sys v0.3.7
[INFO] [stderr]   Downloaded tiff v0.7.2
[INFO] [stderr]   Downloaded webp v0.2.2
[INFO] [stderr]   Downloaded libwebp-sys v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a67f6a1c377463b420772f01ff53f77815e1302b4c289fe1859ce228e540a969
[INFO] running `Command { std: "docker" "start" "-a" "a67f6a1c377463b420772f01ff53f77815e1302b4c289fe1859ce228e540a969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a67f6a1c377463b420772f01ff53f77815e1302b4c289fe1859ce228e540a969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a67f6a1c377463b420772f01ff53f77815e1302b4c289fe1859ce228e540a969", kill_on_drop: false }`
[INFO] [stdout] a67f6a1c377463b420772f01ff53f77815e1302b4c289fe1859ce228e540a969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a6acf0f07f0ed1c12e26dc0db3b9bf1d0504a0bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 719c31ebc60b50d86d51d2b531baefa68a86f92bd52d8c64773682d227d77716
[INFO] running `Command { std: "docker" "start" "-a" "719c31ebc60b50d86d51d2b531baefa68a86f92bd52d8c64773682d227d77716", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking once_cell v1.15.0
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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]    Compiling cc v1.0.73
[INFO] [stderr]     Checking parking_lot_core v0.9.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking digest v0.10.6
[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" "719c31ebc60b50d86d51d2b531baefa68a86f92bd52d8c64773682d227d77716", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719c31ebc60b50d86d51d2b531baefa68a86f92bd52d8c64773682d227d77716", kill_on_drop: false }`
[INFO] [stdout] 719c31ebc60b50d86d51d2b531baefa68a86f92bd52d8c64773682d227d77716
