[INFO] fetching crate ddcset 0.0.5...
[INFO] checking ddcset-0.0.5 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate ddcset 0.0.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ddcset 0.0.5 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ddcset 0.0.5
[INFO] finished tweaking crates.io crate ddcset 0.0.5
[INFO] tweaked toml for crates.io crate ddcset 0.0.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ddcset 0.0.5 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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 resize-slice v0.1.3
[INFO] [stderr]   Downloaded uninitialized v0.0.2
[INFO] [stderr]   Downloaded ddc-i2c v0.2.2
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded edid v0.3.0
[INFO] [stderr]   Downloaded nvapi-sys v0.1.3
[INFO] [stderr]   Downloaded mccs-db v0.1.3
[INFO] [stderr]   Downloaded mccs-caps v0.1.3
[INFO] [stderr]   Downloaded mccs v0.1.3
[INFO] [stderr]   Downloaded i2c-linux v0.1.2
[INFO] [stderr]   Downloaded nom v3.2.1
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded mach v0.2.3
[INFO] [stderr]   Downloaded io-kit-sys v0.1.0
[INFO] [stderr]   Downloaded ddc-macos v0.2.0
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded i2c v0.1.0
[INFO] [stderr]   Downloaded ddc-hi v0.4.1
[INFO] [stderr]   Downloaded nvapi v0.1.4
[INFO] [stderr]   Downloaded ddc-winapi v0.2.1
[INFO] [stderr]   Downloaded i2c-linux-sys v0.2.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25e566b51d4fd89672188f5ce8ecf07661fa43e4e3aa553f4038b295fd0367ac
[INFO] running `Command { std: "docker" "start" "-a" "25e566b51d4fd89672188f5ce8ecf07661fa43e4e3aa553f4038b295fd0367ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25e566b51d4fd89672188f5ce8ecf07661fa43e4e3aa553f4038b295fd0367ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e566b51d4fd89672188f5ce8ecf07661fa43e4e3aa553f4038b295fd0367ac", kill_on_drop: false }`
[INFO] [stdout] 25e566b51d4fd89672188f5ce8ecf07661fa43e4e3aa553f4038b295fd0367ac
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39c8a60372cf74b7ba40f9e75176342040a2a206996b5aa8cd6ecd556e746b0f
[INFO] running `Command { std: "docker" "start" "-a" "39c8a60372cf74b7ba40f9e75176342040a2a206996b5aa8cd6ecd556e746b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling ddc-hi v0.4.1
[INFO] [stderr]     Checking mccs v0.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[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]     Checking regex-syntax v0.6.28
[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" "39c8a60372cf74b7ba40f9e75176342040a2a206996b5aa8cd6ecd556e746b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c8a60372cf74b7ba40f9e75176342040a2a206996b5aa8cd6ecd556e746b0f", kill_on_drop: false }`
[INFO] [stdout] 39c8a60372cf74b7ba40f9e75176342040a2a206996b5aa8cd6ecd556e746b0f
