[INFO] fetching crate ffi-convert 0.6.2...
[INFO] testing ffi-convert-0.6.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ffi-convert 0.6.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate ffi-convert 0.6.2
[INFO] finished tweaking crates.io crate ffi-convert 0.6.2
[INFO] tweaked toml for crates.io crate ffi-convert 0.6.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffi-convert 0.6.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ffi-convert 0.6.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f809780b278b5d6bcf212010f50dd0afecd621cb9b96f46478bb2e66c91310e
[INFO] running `Command { std: "docker" "start" "-a" "4f809780b278b5d6bcf212010f50dd0afecd621cb9b96f46478bb2e66c91310e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f809780b278b5d6bcf212010f50dd0afecd621cb9b96f46478bb2e66c91310e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f809780b278b5d6bcf212010f50dd0afecd621cb9b96f46478bb2e66c91310e", kill_on_drop: false }`
[INFO] [stdout] 4f809780b278b5d6bcf212010f50dd0afecd621cb9b96f46478bb2e66c91310e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a7067997769de6f4be42845e52e608cf487c3b845cc4915df5b4df566216192
[INFO] running `Command { std: "docker" "start" "-a" "2a7067997769de6f4be42845e52e608cf487c3b845cc4915df5b4df566216192", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr] error: could not compile `thiserror-impl` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/b83b707f97d809763b7861afa7638871f3339a33/bin/rustc --crate-name thiserror_impl --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/thiserror-impl-2.0.12/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=b3fa405ee67f3270 -C extra-filename=-8287f0b44c43ac21 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-21e3e1a6b62590dc.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-d9cd4251aac42a18.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-069648061f78568b.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2a7067997769de6f4be42845e52e608cf487c3b845cc4915df5b4df566216192", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7067997769de6f4be42845e52e608cf487c3b845cc4915df5b4df566216192", kill_on_drop: false }`
[INFO] [stdout] 2a7067997769de6f4be42845e52e608cf487c3b845cc4915df5b4df566216192