[INFO] fetching crate graphannis-core 4.0.0...
[INFO] checking graphannis-core-4.0.0 against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] extracting crate graphannis-core 4.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate graphannis-core 4.0.0
[INFO] finished tweaking crates.io crate graphannis-core 4.0.0
[INFO] tweaked toml for crates.io crate graphannis-core 4.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphannis-core 4.0.0 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 graphannis-core 4.0.0 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] [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-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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3cee5a2461095a82a9b7f50971d0627efcc93a02898e8a882bb98f7cade6204
[INFO] running `Command { std: "docker" "start" "-a" "d3cee5a2461095a82a9b7f50971d0627efcc93a02898e8a882bb98f7cade6204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3cee5a2461095a82a9b7f50971d0627efcc93a02898e8a882bb98f7cade6204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3cee5a2461095a82a9b7f50971d0627efcc93a02898e8a882bb98f7cade6204", kill_on_drop: false }`
[INFO] [stdout] d3cee5a2461095a82a9b7f50971d0627efcc93a02898e8a882bb98f7cade6204
[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" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e03f7aac663777b181a201a4352dcdade7741773fc532f9658f2f183f08483c
[INFO] running `Command { std: "docker" "start" "-a" "1e03f7aac663777b181a201a4352dcdade7741773fc532f9658f2f183f08483c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling shadow_counted v0.4.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling snap v1.1.1
[INFO] [stderr]     Checking impls v1.0.3
[INFO] [stderr]     Checking crc v3.3.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking binary-layout v2.1.0
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking integer-encoding v3.0.4
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking memmap2 v0.9.7
[INFO] [stderr]     Checking facet-core v0.28.0
[INFO] [stderr]     Checking quick-xml v0.28.2
[INFO] [stderr]     Checking normpath v1.3.0
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking deunicode v1.6.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/build/serde-96544562d75495e0/build_script_build-96544562d75495e0.d
[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" "1e03f7aac663777b181a201a4352dcdade7741773fc532f9658f2f183f08483c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e03f7aac663777b181a201a4352dcdade7741773fc532f9658f2f183f08483c", kill_on_drop: false }`
[INFO] [stdout] 1e03f7aac663777b181a201a4352dcdade7741773fc532f9658f2f183f08483c