[INFO] cloning repository https://github.com/kthenwhythen/frags
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kthenwhythen/frags" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkthenwhythen%2Ffrags", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkthenwhythen%2Ffrags'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 285f0817a5b3ca8b3a953205845df7eb807ff08c
[INFO] checking kthenwhythen/frags/285f0817a5b3ca8b3a953205845df7eb807ff08c against master#fe7294f8793d001bc3f9d197e7cdef6cdb46c15a for pr-153912
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkthenwhythen%2Ffrags" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kthenwhythen/frags
[INFO] finished tweaking git repo https://github.com/kthenwhythen/frags
[INFO] tweaked toml for git repo https://github.com/kthenwhythen/frags written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kthenwhythen/frags on toolchain fe7294f8793d001bc3f9d197e7cdef6cdb46c15a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kthenwhythen/frags 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" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "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]   |
[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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.16
[INFO] [stderr]   Downloaded rust-embed-impl v6.3.1
[INFO] [stderr]   Downloaded rust-embed-utils v7.3.0
[INFO] [stderr]   Downloaded utoipa-gen v2.4.2
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded tokio-openssl v0.6.3
[INFO] [stderr]   Downloaded diesel_derives v2.0.1
[INFO] [stderr]   Downloaded actix-tls v3.0.3
[INFO] [stderr]   Downloaded actix-rt v2.7.0
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded unicode-bidi v0.3.8
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded shellexpand v2.1.2
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.5
[INFO] [stderr]   Downloaded zip v0.6.3
[INFO] [stderr]   Downloaded utoipa v2.4.2
[INFO] [stderr]   Downloaded tokio-util v0.7.4
[INFO] [stderr]   Downloaded time v0.3.17
[INFO] [stderr]   Downloaded tokio v1.24.1
[INFO] [stderr]   Downloaded diesel v2.0.3
[INFO] [stderr]   Downloaded rust-embed v6.4.2
[INFO] [stderr]   Downloaded encoding_rs v0.8.31
[INFO] [stderr]   Downloaded zstd-sys v2.0.5+zstd.1.5.2
[INFO] [stderr]   Downloaded libsqlite3-sys v0.25.2
[INFO] [stderr]   Downloaded utoipa-swagger-ui v2.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50f7188357f45ebc66f4ce9fff4980a2193ba083ff66ab2f97f91907a43f248c
[INFO] running `Command { std: "docker" "start" "-a" "50f7188357f45ebc66f4ce9fff4980a2193ba083ff66ab2f97f91907a43f248c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50f7188357f45ebc66f4ce9fff4980a2193ba083ff66ab2f97f91907a43f248c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f7188357f45ebc66f4ce9fff4980a2193ba083ff66ab2f97f91907a43f248c", kill_on_drop: false }`
[INFO] [stdout] 50f7188357f45ebc66f4ce9fff4980a2193ba083ff66ab2f97f91907a43f248c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fe7294f8793d001bc3f9d197e7cdef6cdb46c15a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37f671602289d63776d175821b76a97df59038ca4864aa54d63db928f82ed1f5
[INFO] running `Command { std: "docker" "start" "-a" "37f671602289d63776d175821b76a97df59038ca4864aa54d63db928f82ed1f5", 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]   |
[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 libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.24.1
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[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" "37f671602289d63776d175821b76a97df59038ca4864aa54d63db928f82ed1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37f671602289d63776d175821b76a97df59038ca4864aa54d63db928f82ed1f5", kill_on_drop: false }`
[INFO] [stdout] 37f671602289d63776d175821b76a97df59038ca4864aa54d63db928f82ed1f5