[INFO] cloning repository https://github.com/CompeyDev/boxer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CompeyDev/boxer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompeyDev%2Fboxer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompeyDev%2Fboxer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a93feaecdbe89b16c6711e51f61c5c9e114aa1eb
[INFO] checking CompeyDev/boxer against master#c797096598b80ba4a40397ad7e91584fcd3df5f1 for pr-146377
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCompeyDev%2Fboxer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CompeyDev/boxer
[INFO] finished tweaking git repo https://github.com/CompeyDev/boxer
[INFO] tweaked toml for git repo https://github.com/CompeyDev/boxer written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CompeyDev/boxer on toolchain c797096598b80ba4a40397ad7e91584fcd3df5f1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CompeyDev/boxer 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" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml v0.7.4
[INFO] [stderr]   Downloaded openssl-sys v0.9.88
[INFO] [stderr]   Downloaded serde_spanned v0.6.2
[INFO] [stderr]   Downloaded openssl v0.10.54
[INFO] [stderr]   Downloaded git2 v0.17.2
[INFO] [stderr]   Downloaded libgit2-sys v0.15.2+1.6.4
[INFO] [stderr]   Downloaded libz-sys v1.1.9
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8799602e72338abdde65b317710520676b30a88915c3eb0d044bb894d030339e
[INFO] running `Command { std: "docker" "start" "-a" "8799602e72338abdde65b317710520676b30a88915c3eb0d044bb894d030339e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8799602e72338abdde65b317710520676b30a88915c3eb0d044bb894d030339e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8799602e72338abdde65b317710520676b30a88915c3eb0d044bb894d030339e", kill_on_drop: false }`
[INFO] [stdout] 8799602e72338abdde65b317710520676b30a88915c3eb0d044bb894d030339e
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c797096598b80ba4a40397ad7e91584fcd3df5f1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8e724a1998f0f431caf6121f4989ce4f8d97b8a0757776a4ee21e582b06e97f
[INFO] running `Command { std: "docker" "start" "-a" "f8e724a1998f0f431caf6121f4989ce4f8d97b8a0757776a4ee21e582b06e97f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling tokio v1.28.2
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling openssl v0.10.54
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking winnow v0.4.6
[INFO] [stderr]     Checking ipnet v2.7.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.59/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]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[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" "f8e724a1998f0f431caf6121f4989ce4f8d97b8a0757776a4ee21e582b06e97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e724a1998f0f431caf6121f4989ce4f8d97b8a0757776a4ee21e582b06e97f", kill_on_drop: false }`
[INFO] [stdout] f8e724a1998f0f431caf6121f4989ce4f8d97b8a0757776a4ee21e582b06e97f
