[INFO] fetching crate partial-borrow 1.0.1...
[INFO] testing partial-borrow-1.0.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate partial-borrow 1.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate partial-borrow 1.0.1
[INFO] finished tweaking crates.io crate partial-borrow 1.0.1
[INFO] tweaked toml for crates.io crate partial-borrow 1.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate partial-borrow 1.0.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate partial-borrow 1.0.1 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded darling_macro v0.14.1
[INFO] [stderr]   Downloaded easy-ext v1.0.0
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded trybuild v1.0.64
[INFO] [stderr]   Downloaded darling_core v0.14.1
[INFO] [stderr]   Downloaded darling v0.14.1
[INFO] [stderr]   Downloaded partial-borrow-macros v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8b5833935d8181af46ab000ef63e741073075dce6736811e613697e88f44c4
[INFO] running `Command { std: "docker" "start" "-a" "4b8b5833935d8181af46ab000ef63e741073075dce6736811e613697e88f44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8b5833935d8181af46ab000ef63e741073075dce6736811e613697e88f44c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8b5833935d8181af46ab000ef63e741073075dce6736811e613697e88f44c4", kill_on_drop: false }`
[INFO] [stdout] 4b8b5833935d8181af46ab000ef63e741073075dce6736811e613697e88f44c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98770057fc41cc8d4bcac4e9ff143ebb4cbef5e37ebc02fceb58bf4a02bff260
[INFO] running `Command { std: "docker" "start" "-a" "98770057fc41cc8d4bcac4e9ff143ebb4cbef5e37ebc02fceb58bf4a02bff260", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling darling_core v0.14.1
[INFO] [stderr] error: could not compile `proc-macro-error` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/bin/rustc --crate-name proc_macro_error --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro-error-1.0.4/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="default"' --cfg 'feature="syn"' --cfg 'feature="syn-error"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "syn", "syn-error"))' -C metadata=c6208b021c9a9b26 -C extra-filename=-bc495fcd92d03259 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro_error_attr=/opt/rustwide/target/debug/deps/libproc_macro_error_attr-e12709a93ecd50a6.so --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-b959fa476734bb1d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f0abe70e37f2b835.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-87c1211aae94a9d9.rmeta --cap-lints allow --cap-lints=forbid --cfg skip_ui_tests` (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" "98770057fc41cc8d4bcac4e9ff143ebb4cbef5e37ebc02fceb58bf4a02bff260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98770057fc41cc8d4bcac4e9ff143ebb4cbef5e37ebc02fceb58bf4a02bff260", kill_on_drop: false }`
[INFO] [stdout] 98770057fc41cc8d4bcac4e9ff143ebb4cbef5e37ebc02fceb58bf4a02bff260