[INFO] cloning repository https://github.com/K-atc/libfuzzer-mutation-graph-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/K-atc/libfuzzer-mutation-graph-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c688028c9b7f72b5f5d03b0c6a7d7cb504798890
[INFO] checking K-atc/libfuzzer-mutation-graph-tool against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FK-atc%2Flibfuzzer-mutation-graph-tool" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool
[INFO] finished tweaking git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool
[INFO] tweaked toml for git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/K-atc/libfuzzer-mutation-graph-tool 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/K-atc/binary-diff-rs.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytepack_derive v0.2.0
[INFO] [stderr]   Downloaded bcmp v0.4.1
[INFO] [stderr]   Downloaded bytepack v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d041d1963029b5389a8fbeef05f1a8517741ba1da1e7e741b60711ce241e1cb
[INFO] running `Command { std: "docker" "start" "-a" "9d041d1963029b5389a8fbeef05f1a8517741ba1da1e7e741b60711ce241e1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d041d1963029b5389a8fbeef05f1a8517741ba1da1e7e741b60711ce241e1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d041d1963029b5389a8fbeef05f1a8517741ba1da1e7e741b60711ce241e1cb", kill_on_drop: false }`
[INFO] [stdout] 9d041d1963029b5389a8fbeef05f1a8517741ba1da1e7e741b60711ce241e1cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45072b71e51da6b35c712f22c86582244d2e1224f937ab69219fab0b2c6c4c17
[INFO] running `Command { std: "docker" "start" "-a" "45072b71e51da6b35c712f22c86582244d2e1224f937ab69219fab0b2c6c4c17", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking base16ct v0.1.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling bytepack_derive v0.2.0
[INFO] [stderr]     Checking bytepack v0.4.1
[INFO] [stderr]     Checking bcmp v0.4.1
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking binary-diff v0.1.0 (https://github.com/K-atc/binary-diff-rs.git#934b4598)
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking seed-tree-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.20s
[INFO] running `Command { std: "docker" "inspect" "45072b71e51da6b35c712f22c86582244d2e1224f937ab69219fab0b2c6c4c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45072b71e51da6b35c712f22c86582244d2e1224f937ab69219fab0b2c6c4c17", kill_on_drop: false }`
[INFO] [stdout] 45072b71e51da6b35c712f22c86582244d2e1224f937ab69219fab0b2c6c4c17