[INFO] cloning repository https://github.com/wcweb/rust-on-nails
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wcweb/rust-on-nails" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcweb%2Frust-on-nails", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcweb%2Frust-on-nails'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2119bf0e753fb5b09e4cc9864a8149c0606d3e2
[INFO] checking wcweb/rust-on-nails against try#c4ca24658d934444a28db36abebef17a8651701a for pr-144156
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwcweb%2Frust-on-nails" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wcweb/rust-on-nails
[INFO] finished tweaking git repo https://github.com/wcweb/rust-on-nails
[INFO] tweaked toml for git repo https://github.com/wcweb/rust-on-nails written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wcweb/rust-on-nails on toolchain c4ca24658d934444a28db36abebef17a8651701a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wcweb/rust-on-nails 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" "+c4ca24658d934444a28db36abebef17a8651701a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding openssl-src v111.28.2+1.1.1w
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cornucopia_client_core v0.4.0
[INFO] [stderr]   Downloaded postgres-protocol v0.6.4
[INFO] [stderr]   Downloaded cornucopia_async v0.4.0
[INFO] [stderr]   Downloaded email_address v0.2.4
[INFO] [stderr]   Downloaded tonic-reflection v0.9.2
[INFO] [stderr]   Downloaded email-encoding v0.2.0
[INFO] [stderr]   Downloaded ructe v0.16.1
[INFO] [stderr]   Downloaded thirtyfour v0.28.3
[INFO] [stderr]   Downloaded security-framework v2.9.0
[INFO] [stderr]   Downloaded tokio-postgres v0.7.7
[INFO] [stderr]   Downloaded tonic-web v0.9.2
[INFO] [stderr]   Downloaded lettre v0.10.4
[INFO] [stderr]   Downloaded rustix v0.37.3
[INFO] [stderr]   Downloaded dioxus-ssr v0.2.1
[INFO] [stderr]   Downloaded quoted_printable v0.4.8
[INFO] [stderr]   Downloaded stringmatch v0.3.3
[INFO] [stderr]   Downloaded deadpool-postgres v0.10.5
[INFO] [stderr]   Downloaded postgres-types v0.2.4
[INFO] [stderr]   Downloaded rsass v0.27.0
[INFO] [stderr]   Downloaded openssl-src v111.28.2+1.1.1w
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0af9cf46214ab13fd5694f602b24f190d260fdda8d34a9b1db24a09074c8e6b1
[INFO] running `Command { std: "docker" "start" "-a" "0af9cf46214ab13fd5694f602b24f190d260fdda8d34a9b1db24a09074c8e6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0af9cf46214ab13fd5694f602b24f190d260fdda8d34a9b1db24a09074c8e6b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0af9cf46214ab13fd5694f602b24f190d260fdda8d34a9b1db24a09074c8e6b1", kill_on_drop: false }`
[INFO] [stdout] 0af9cf46214ab13fd5694f602b24f190d260fdda8d34a9b1db24a09074c8e6b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+c4ca24658d934444a28db36abebef17a8651701a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19e6b99013b6724794c08c16b2f24479c5be34ff1322e729acb4d65f51bb9c48
[INFO] running `Command { std: "docker" "start" "-a" "19e6b99013b6724794c08c16b2f24479c5be34ff1322e729acb4d65f51bb9c48", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling quote v1.0.27
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.26
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 futures-sink v0.3.26
[INFO] [stderr]    Compiling slab v0.4.8
[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" "19e6b99013b6724794c08c16b2f24479c5be34ff1322e729acb4d65f51bb9c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e6b99013b6724794c08c16b2f24479c5be34ff1322e729acb4d65f51bb9c48", kill_on_drop: false }`
[INFO] [stdout] 19e6b99013b6724794c08c16b2f24479c5be34ff1322e729acb4d65f51bb9c48