[INFO] fetching crate civibus 0.2.0...
[INFO] checking civibus-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate civibus 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate civibus 0.2.0
[INFO] finished tweaking crates.io crate civibus 0.2.0
[INFO] tweaked toml for crates.io crate civibus 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate civibus 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate civibus 0.2.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded watchexec v1.17.1
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded filetime v0.2.19
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[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.9.0
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[INFO] [stderr]   Downloaded darling_core v0.12.4
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88244a37af282d690e91ee8adc1d234c366a5eeebf050221ef4209d706203a4b
[INFO] running `Command { std: "docker" "start" "-a" "88244a37af282d690e91ee8adc1d234c366a5eeebf050221ef4209d706203a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88244a37af282d690e91ee8adc1d234c366a5eeebf050221ef4209d706203a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88244a37af282d690e91ee8adc1d234c366a5eeebf050221ef4209d706203a4b", kill_on_drop: false }`
[INFO] [stdout] 88244a37af282d690e91ee8adc1d234c366a5eeebf050221ef4209d706203a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb115c249f273ed5fb4935cb7b418b671120ca9db9a6ad22658f157f34b9a7f2
[INFO] running `Command { std: "docker" "start" "-a" "fb115c249f273ed5fb4935cb7b418b671120ca9db9a6ad22658f157f34b9a7f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.49/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] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]    Compiling tokio v1.24.0
[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" "fb115c249f273ed5fb4935cb7b418b671120ca9db9a6ad22658f157f34b9a7f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb115c249f273ed5fb4935cb7b418b671120ca9db9a6ad22658f157f34b9a7f2", kill_on_drop: false }`
[INFO] [stdout] fb115c249f273ed5fb4935cb7b418b671120ca9db9a6ad22658f157f34b9a7f2