[INFO] cloning repository https://github.com/ElhamAryanpur/mlua_async_potential_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElhamAryanpur/mlua_async_potential_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElhamAryanpur%2Fmlua_async_potential_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElhamAryanpur%2Fmlua_async_potential_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b015203fbf77a47ccef81e0700df89a00da7d928
[INFO] testing ElhamAryanpur/mlua_async_potential_bug against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElhamAryanpur%2Fmlua_async_potential_bug" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ElhamAryanpur/mlua_async_potential_bug
[INFO] finished tweaking git repo https://github.com/ElhamAryanpur/mlua_async_potential_bug
[INFO] tweaked toml for git repo https://github.com/ElhamAryanpur/mlua_async_potential_bug written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ElhamAryanpur/mlua_async_potential_bug on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ElhamAryanpur/mlua_async_potential_bug 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 362f29fa3b67250a0578c08242dc7a2def4b1ae46ecfee50c73d79e575ae1f07
[INFO] running `Command { std: "docker" "start" "-a" "362f29fa3b67250a0578c08242dc7a2def4b1ae46ecfee50c73d79e575ae1f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "362f29fa3b67250a0578c08242dc7a2def4b1ae46ecfee50c73d79e575ae1f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362f29fa3b67250a0578c08242dc7a2def4b1ae46ecfee50c73d79e575ae1f07", kill_on_drop: false }`
[INFO] [stdout] 362f29fa3b67250a0578c08242dc7a2def4b1ae46ecfee50c73d79e575ae1f07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550ea90e242cf912ac5a622290ac791b68b81085f840c6cfa2b63c004a591e65
[INFO] running `Command { std: "docker" "start" "-a" "550ea90e242cf912ac5a622290ac791b68b81085f840c6cfa2b63c004a591e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling cc v1.1.3
[INFO] [stderr]    Compiling serde v1.0.204
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling openssl v0.10.66
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]    Compiling bytes v1.7.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling cpufeatures v0.2.13
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling sqlformat v0.2.4
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling unicode-properties v0.1.2
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling uuid v1.10.0
[INFO] [stderr]    Compiling whoami v1.5.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.71/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=6e8f56258eeef804 -C extra-filename=-79338ccbaf85d39a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea54d792119c380c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "550ea90e242cf912ac5a622290ac791b68b81085f840c6cfa2b63c004a591e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550ea90e242cf912ac5a622290ac791b68b81085f840c6cfa2b63c004a591e65", kill_on_drop: false }`
[INFO] [stdout] 550ea90e242cf912ac5a622290ac791b68b81085f840c6cfa2b63c004a591e65