[INFO] cloning repository https://github.com/nopersonalspace/SlackMS
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nopersonalspace/SlackMS" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopersonalspace%2FSlackMS", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopersonalspace%2FSlackMS'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 93a1cd64c79821532be6f34e167b895e32228d8b
[INFO] checking nopersonalspace/SlackMS against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnopersonalspace%2FSlackMS" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nopersonalspace/SlackMS
[INFO] finished tweaking git repo https://github.com/nopersonalspace/SlackMS
[INFO] tweaked toml for git repo https://github.com/nopersonalspace/SlackMS written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nopersonalspace/SlackMS on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nopersonalspace/SlackMS 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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slack-hook2 v0.10.1
[INFO] [stderr]   Downloaded futures-core v0.3.26
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.34
[INFO] [stderr]   Downloaded futures-task v0.3.26
[INFO] [stderr]   Downloaded time-macros v0.2.7
[INFO] [stderr]   Downloaded pest_meta v2.5.5
[INFO] [stderr]   Downloaded ipnet v2.7.1
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded rocket_codegen v0.5.0-rc.2
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded figment v0.10.8
[INFO] [stderr]   Downloaded cxx v1.0.91
[INFO] [stderr]   Downloaded futures-channel v0.3.26
[INFO] [stderr]   Downloaded tokio-util v0.7.7
[INFO] [stderr]   Downloaded pear v0.2.3
[INFO] [stderr]   Downloaded generator v0.7.2
[INFO] [stderr]   Downloaded cxxbridge-macro v1.0.91
[INFO] [stderr]   Downloaded futures-util v0.3.26
[INFO] [stderr]   Downloaded hyper v0.14.24
[INFO] [stderr]   Downloaded reqwest v0.11.14
[INFO] [stderr]   Downloaded atomic v0.5.1
[INFO] [stderr]   Downloaded futures-sink v0.3.26
[INFO] [stderr]   Downloaded devise_codegen v0.3.1
[INFO] [stderr]   Downloaded uncased v0.9.7
[INFO] [stderr]   Downloaded devise_core v0.3.1
[INFO] [stderr]   Downloaded cxxbridge-flags v1.0.91
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded devise v0.3.1
[INFO] [stderr]   Downloaded magic-crypt v3.1.12
[INFO] [stderr]   Downloaded universal-hash v0.5.0
[INFO] [stderr]   Downloaded ref-cast v1.0.14
[INFO] [stderr]   Downloaded pest_generator v2.5.5
[INFO] [stderr]   Downloaded pest v2.5.5
[INFO] [stderr]   Downloaded crc-any v2.4.3
[INFO] [stderr]   Downloaded aes-gcm v0.10.1
[INFO] [stderr]   Downloaded rocket_http v0.5.0-rc.2
[INFO] [stderr]   Downloaded cxx-build v1.0.91
[INFO] [stderr]   Downloaded time v0.3.19
[INFO] [stderr]   Downloaded des v0.7.0
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded polyval v0.6.0
[INFO] [stderr]   Downloaded pest_derive v2.5.5
[INFO] [stderr]   Downloaded tiger v0.1.0
[INFO] [stderr]   Downloaded aead v0.5.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.39.0
[INFO] [stderr]   Downloaded pear_codegen v0.2.3
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.14
[INFO] [stderr]   Downloaded rocket v0.5.0-rc.2
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.39.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.39.0
[INFO] [stderr]   Downloaded windows v0.39.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd3c67118187745cf91fe4451ebb0c07a7da0e51aa091acbfc19cd288d438f2
[INFO] running `Command { std: "docker" "start" "-a" "4dd3c67118187745cf91fe4451ebb0c07a7da0e51aa091acbfc19cd288d438f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd3c67118187745cf91fe4451ebb0c07a7da0e51aa091acbfc19cd288d438f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd3c67118187745cf91fe4451ebb0c07a7da0e51aa091acbfc19cd288d438f2", kill_on_drop: false }`
[INFO] [stdout] 4dd3c67118187745cf91fe4451ebb0c07a7da0e51aa091acbfc19cd288d438f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c82f29338d81327d0403ef6c9ad35636d948ceb2aab599dcbd3abb8c4664961a
[INFO] running `Command { std: "docker" "start" "-a" "c82f29338d81327d0403ef6c9ad35636d948ceb2aab599dcbd3abb8c4664961a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-channel v0.3.26
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]    Compiling futures-util v0.3.26
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]     Checking futures-io v0.3.26
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling time-macros v0.2.7
[INFO] [stderr]     Checking percent-encoding v2.2.0
[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]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling openssl v0.10.45
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c82f29338d81327d0403ef6c9ad35636d948ceb2aab599dcbd3abb8c4664961a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82f29338d81327d0403ef6c9ad35636d948ceb2aab599dcbd3abb8c4664961a", kill_on_drop: false }`
[INFO] [stdout] c82f29338d81327d0403ef6c9ad35636d948ceb2aab599dcbd3abb8c4664961a