[INFO] fetching crate bnf_rules_macro 0.1.7...
[INFO] checking bnf_rules_macro-0.1.7 against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] extracting crate bnf_rules_macro 0.1.7 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bnf_rules_macro 0.1.7
[INFO] finished tweaking crates.io crate bnf_rules_macro 0.1.7
[INFO] tweaked toml for crates.io crate bnf_rules_macro 0.1.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bnf_rules_macro 0.1.7 on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bnf_rules_macro 0.1.7 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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 958b72ef43d41fa33246d084b6ff6576fa56ae36340d69b64d3b5fe8179777d2
[INFO] running `Command { std: "docker" "start" "-a" "958b72ef43d41fa33246d084b6ff6576fa56ae36340d69b64d3b5fe8179777d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "958b72ef43d41fa33246d084b6ff6576fa56ae36340d69b64d3b5fe8179777d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "958b72ef43d41fa33246d084b6ff6576fa56ae36340d69b64d3b5fe8179777d2", kill_on_drop: false }`
[INFO] [stdout] 958b72ef43d41fa33246d084b6ff6576fa56ae36340d69b64d3b5fe8179777d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c47ec75135baeadf7b604aba681d4c1a6b4f5e9104b2b3699a40ea2526a32cb
[INFO] running `Command { std: "docker" "start" "-a" "5c47ec75135baeadf7b604aba681d4c1a6b4f5e9104b2b3699a40ea2526a32cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking litrs v0.4.1
[INFO] [stderr] error: could not compile `litrs` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1/bin/rustc --crate-name litrs --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/litrs-0.4.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no --cfg 'feature="default"' --cfg 'feature="proc-macro2"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("check_suffix", "default", "proc-macro2", "unicode-xid"))' -C metadata=b8a9e2f384893df6 -C extra-filename=-15184c0d9fb50d7d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-fe0d2124bc2c7397.rmeta --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" "5c47ec75135baeadf7b604aba681d4c1a6b4f5e9104b2b3699a40ea2526a32cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c47ec75135baeadf7b604aba681d4c1a6b4f5e9104b2b3699a40ea2526a32cb", kill_on_drop: false }`
[INFO] [stdout] 5c47ec75135baeadf7b604aba681d4c1a6b4f5e9104b2b3699a40ea2526a32cb