[INFO] fetching crate devstart 0.7.0...
[INFO] checking devstart-0.7.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate devstart 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate devstart 0.7.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devstart 0.7.0
[INFO] finished tweaking crates.io crate devstart 0.7.0
[INFO] tweaked toml for crates.io crate devstart 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate devstart 0.7.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor-query v0.1.0
[INFO] [stderr]   Downloaded os_pipe v1.1.3
[INFO] [stderr]   Downloaded snapbox-macros v0.3.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.3
[INFO] [stderr]   Downloaded duct_sh v0.13.6
[INFO] [stderr]   Downloaded winsplit v0.1.0
[INFO] [stderr]   Downloaded concolor v0.0.12
[INFO] [stderr]   Downloaded trycmd v0.14.13
[INFO] [stderr]   Downloaded shared_child v1.0.0
[INFO] [stderr]   Downloaded open v4.1.0
[INFO] [stderr]   Downloaded snapbox v0.4.8
[INFO] [stderr]   Downloaded duct v0.13.6
[INFO] [stderr]   Downloaded requestty-ui v0.5.0
[INFO] [stderr]   Downloaded pretty_assertions v1.3.0
[INFO] [stderr]   Downloaded unicode-linebreak v0.1.4
[INFO] [stderr]   Downloaded requestty v0.5.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.8
[INFO] [stderr]   Downloaded insta v1.29.0
[INFO] [stderr]   Downloaded winnow v0.3.5
[INFO] [stderr]   Downloaded serde_yaml v0.9.21
[INFO] [stderr]   Downloaded snafu-derive v0.7.4
[INFO] [stderr]   Downloaded snafu v0.7.4
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f720bfa96ab2a08b0199d9b1c93633f2a9b05f2692c5861d006ebd0d3e5e28f0
[INFO] running `Command { std: "docker" "start" "-a" "f720bfa96ab2a08b0199d9b1c93633f2a9b05f2692c5861d006ebd0d3e5e28f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f720bfa96ab2a08b0199d9b1c93633f2a9b05f2692c5861d006ebd0d3e5e28f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f720bfa96ab2a08b0199d9b1c93633f2a9b05f2692c5861d006ebd0d3e5e28f0", kill_on_drop: false }`
[INFO] [stdout] f720bfa96ab2a08b0199d9b1c93633f2a9b05f2692c5861d006ebd0d3e5e28f0
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25a5f96a455b23b6dd6af4960cbebe1b0c0f9345ba037a98fbde6f9f859f3766
[INFO] running `Command { std: "docker" "start" "-a" "25a5f96a455b23b6dd6af4960cbebe1b0c0f9345ba037a98fbde6f9f859f3766", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling syn v1.0.108
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rustix v0.36.9
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]     Checking is-docker v0.2.0
[INFO] [stderr]     Checking bytecount v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling argh_shared v0.1.10
[INFO] [stderr]     Checking papergrid v0.7.1
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[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 is-wsl v0.4.0
[INFO] [stderr]    Compiling wayland-sys v0.29.5
[INFO] [stderr]    Compiling smithay-client-toolkit v0.16.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.7
[INFO] [stderr]     Checking similar v2.2.1
[INFO] [stderr]     Checking concolor-query v0.1.0
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking unsafe-libyaml v0.2.8
[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" "25a5f96a455b23b6dd6af4960cbebe1b0c0f9345ba037a98fbde6f9f859f3766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a5f96a455b23b6dd6af4960cbebe1b0c0f9345ba037a98fbde6f9f859f3766", kill_on_drop: false }`
[INFO] [stdout] 25a5f96a455b23b6dd6af4960cbebe1b0c0f9345ba037a98fbde6f9f859f3766
