[INFO] cloning repository https://github.com/lamoboos223/matrix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lamoboos223/matrix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamoboos223%2Fmatrix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamoboos223%2Fmatrix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6e7716af4c7b16e34e564378fc478e688d0cb70
[INFO] testing lamoboos223/matrix against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flamoboos223%2Fmatrix" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  88% (3089/3492)
Updating files:  89% (3108/3492)
Updating files:  90% (3143/3492)
Updating files:  91% (3178/3492)
Updating files:  92% (3213/3492)
Updating files:  93% (3248/3492)
Updating files:  94% (3283/3492)
Updating files:  95% (3318/3492)
Updating files:  96% (3353/3492)
Updating files:  97% (3388/3492)
Updating files:  98% (3423/3492)
Updating files:  99% (3458/3492)
Updating files: 100% (3492/3492)
Updating files: 100% (3492/3492), done.
[INFO] started tweaking git repo https://github.com/lamoboos223/matrix
[INFO] finished tweaking git repo https://github.com/lamoboos223/matrix
[INFO] tweaked toml for git repo https://github.com/lamoboos223/matrix written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lamoboos223/matrix on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lamoboos223/matrix 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21c3ccaf39c33889af9c0dd5a97415fda8e18e31d0a8a5570747f5b7a6bbab3a
[INFO] running `Command { std: "docker" "start" "-a" "21c3ccaf39c33889af9c0dd5a97415fda8e18e31d0a8a5570747f5b7a6bbab3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21c3ccaf39c33889af9c0dd5a97415fda8e18e31d0a8a5570747f5b7a6bbab3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21c3ccaf39c33889af9c0dd5a97415fda8e18e31d0a8a5570747f5b7a6bbab3a", kill_on_drop: false }`
[INFO] [stdout] 21c3ccaf39c33889af9c0dd5a97415fda8e18e31d0a8a5570747f5b7a6bbab3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d55bc248bd57ae155e16744a0100768c25ae5a3b3a2f5877ec4d64b3f4f013
[INFO] running `Command { std: "docker" "start" "-a" "d6d55bc248bd57ae155e16744a0100768c25ae5a3b3a2f5877ec4d64b3f4f013", 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 target-lexicon v0.12.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling syn v1.0.104
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling indoc v1.0.7
[INFO] [stderr]    Compiling unindent v0.1.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling serde_json v1.0.94
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling arc-swap v1.5.1
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.46/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]    Compiling aho-corasick v0.7.19
[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" "d6d55bc248bd57ae155e16744a0100768c25ae5a3b3a2f5877ec4d64b3f4f013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d55bc248bd57ae155e16744a0100768c25ae5a3b3a2f5877ec4d64b3f4f013", kill_on_drop: false }`
[INFO] [stdout] d6d55bc248bd57ae155e16744a0100768c25ae5a3b3a2f5877ec4d64b3f4f013