[INFO] cloning repository https://github.com/constantingoeldel/alphabeta-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/constantingoeldel/alphabeta-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconstantingoeldel%2Falphabeta-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconstantingoeldel%2Falphabeta-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c13290a57ebc3c931f02b140fa9fbc1a4cfb7d7
[INFO] checking constantingoeldel/alphabeta-rs against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconstantingoeldel%2Falphabeta-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/constantingoeldel/alphabeta-rs on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/constantingoeldel/alphabeta-rs
[INFO] finished tweaking git repo https://github.com/constantingoeldel/alphabeta-rs
[INFO] tweaked toml for git repo https://github.com/constantingoeldel/alphabeta-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/constantingoeldel/alphabeta-rs 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2320951f7f7bc29f4527ef91637da618abd6cf16c9665c16f7dccb7dae02a642
[INFO] running `Command { std: "docker" "start" "-a" "2320951f7f7bc29f4527ef91637da618abd6cf16c9665c16f7dccb7dae02a642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2320951f7f7bc29f4527ef91637da618abd6cf16c9665c16f7dccb7dae02a642", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2320951f7f7bc29f4527ef91637da618abd6cf16c9665c16f7dccb7dae02a642", kill_on_drop: false }`
[INFO] [stdout] 2320951f7f7bc29f4527ef91637da618abd6cf16c9665c16f7dccb7dae02a642
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ad425d865a41ce11462860f995c6c20c53420f31a7eb6b78a9dfef92ba98448
[INFO] running `Command { std: "docker" "start" "-a" "6ad425d865a41ce11462860f995c6c20c53420f31a7eb6b78a9dfef92ba98448", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.54
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling serde_derive v1.0.159
[INFO] [stderr]    Compiling serde v1.0.159
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ucd-trie v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]     Checking simd-adler32 v0.3.5
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling openssl v0.10.52
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.54/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 percent-encoding v2.2.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[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" "6ad425d865a41ce11462860f995c6c20c53420f31a7eb6b78a9dfef92ba98448", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad425d865a41ce11462860f995c6c20c53420f31a7eb6b78a9dfef92ba98448", kill_on_drop: false }`
[INFO] [stdout] 6ad425d865a41ce11462860f995c6c20c53420f31a7eb6b78a9dfef92ba98448