[INFO] fetching crate connectbox 0.1.1...
[INFO] checking connectbox-0.1.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate connectbox 0.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate connectbox 0.1.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate connectbox 0.1.1
[INFO] finished tweaking crates.io crate connectbox 0.1.1
[INFO] tweaked toml for crates.io crate connectbox 0.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate connectbox 0.1.1 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded psl-types v2.0.11
[INFO] [stderr]   Downloaded cookie_store v0.16.1
[INFO] [stderr]   Downloaded publicsuffix v2.2.3
[INFO] [stderr]   Downloaded reqwest v0.11.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ef88d9deeb0ff044a14df9a1135e57ed23a847d0165c755271fc73c279b7ec2
[INFO] running `Command { std: "docker" "start" "-a" "4ef88d9deeb0ff044a14df9a1135e57ed23a847d0165c755271fc73c279b7ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ef88d9deeb0ff044a14df9a1135e57ed23a847d0165c755271fc73c279b7ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ef88d9deeb0ff044a14df9a1135e57ed23a847d0165c755271fc73c279b7ec2", kill_on_drop: false }`
[INFO] [stdout] 4ef88d9deeb0ff044a14df9a1135e57ed23a847d0165c755271fc73c279b7ec2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f1cff9a15e69eeb190bb3b96713d47ce60b8daf982a2585e5d046675074d5f7
[INFO] running `Command { std: "docker" "start" "-a" "8f1cff9a15e69eeb190bb3b96713d47ce60b8daf982a2585e5d046675074d5f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling tokio v1.28.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking percent-encoding v2.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling time-core v0.1.0
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]    Compiling time-macros v0.2.8
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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] 
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]     Checking gimli v0.27.2
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f1cff9a15e69eeb190bb3b96713d47ce60b8daf982a2585e5d046675074d5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f1cff9a15e69eeb190bb3b96713d47ce60b8daf982a2585e5d046675074d5f7", kill_on_drop: false }`
[INFO] [stdout] 8f1cff9a15e69eeb190bb3b96713d47ce60b8daf982a2585e5d046675074d5f7
