[INFO] cloning repository https://github.com/darosan2003/rfuzzer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darosan2003/rfuzzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarosan2003%2Frfuzzer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarosan2003%2Frfuzzer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a55b23343af87caedab70c2857d448175402b6a1 [INFO] checking darosan2003/rfuzzer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarosan2003%2Frfuzzer" "/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/darosan2003/rfuzzer 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/darosan2003/rfuzzer [INFO] finished tweaking git repo https://github.com/darosan2003/rfuzzer [INFO] tweaked toml for git repo https://github.com/darosan2003/rfuzzer written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/darosan2003/rfuzzer 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] 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] 9d54732b8f78023d67530b6685b15077089801068b6d6caba0ee02dfcc468a14 [INFO] running `Command { std: "docker" "start" "-a" "9d54732b8f78023d67530b6685b15077089801068b6d6caba0ee02dfcc468a14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d54732b8f78023d67530b6685b15077089801068b6d6caba0ee02dfcc468a14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d54732b8f78023d67530b6685b15077089801068b6d6caba0ee02dfcc468a14", kill_on_drop: false }` [INFO] [stdout] 9d54732b8f78023d67530b6685b15077089801068b6d6caba0ee02dfcc468a14 [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] c26dcf8efa21f3f7e8c0192989b38036f208e788a22231b931243597d01523bf [INFO] running `Command { std: "docker" "start" "-a" "c26dcf8efa21f3f7e8c0192989b38036f208e788a22231b931243597d01523bf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking openssl-sys v0.9.75 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Checking openssl v0.10.41 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking native-tls v0.2.10 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking rfuzzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.04s [INFO] running `Command { std: "docker" "inspect" "c26dcf8efa21f3f7e8c0192989b38036f208e788a22231b931243597d01523bf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c26dcf8efa21f3f7e8c0192989b38036f208e788a22231b931243597d01523bf", kill_on_drop: false }` [INFO] [stdout] c26dcf8efa21f3f7e8c0192989b38036f208e788a22231b931243597d01523bf [INFO] checking darosan2003/rfuzzer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarosan2003%2Frfuzzer" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/darosan2003/rfuzzer on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/darosan2003/rfuzzer [INFO] finished tweaking git repo https://github.com/darosan2003/rfuzzer [INFO] tweaked toml for git repo https://github.com/darosan2003/rfuzzer written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/darosan2003/rfuzzer 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 535f3020e7e44c4820811f8e219bcc05e331b29e7f138985823e8782bd3724c4 [INFO] running `Command { std: "docker" "start" "-a" "535f3020e7e44c4820811f8e219bcc05e331b29e7f138985823e8782bd3724c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "535f3020e7e44c4820811f8e219bcc05e331b29e7f138985823e8782bd3724c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "535f3020e7e44c4820811f8e219bcc05e331b29e7f138985823e8782bd3724c4", kill_on_drop: false }` [INFO] [stdout] 535f3020e7e44c4820811f8e219bcc05e331b29e7f138985823e8782bd3724c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dda94e39b0febe2e252117f07cac7513fa2e026d0dfb5b07e1769a95a49457fb [INFO] running `Command { std: "docker" "start" "-a" "dda94e39b0febe2e252117f07cac7513fa2e026d0dfb5b07e1769a95a49457fb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking slab v0.4.6 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling serde_derive v1.0.139 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling serde v1.0.139 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.5.3 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling backtrace v0.3.66 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Checking gimli v0.26.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking hashbrown v0.12.2 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking object v0.29.0 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling serde_json v1.0.82 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.4 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking openssl-sys v0.9.75 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking string v0.2.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking itoa v1.0.2 [INFO] [stderr] Checking ryu v1.0.10 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking publicsuffix v1.5.6 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking flate2 v1.0.24 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking addr2line v0.17.0 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling openssl-macros v0.1.0 [INFO] [stderr] Checking openssl v0.10.41 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking native-tls v0.2.10 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.24 [INFO] [stderr] Checking rfuzzer v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.70s [INFO] running `Command { std: "docker" "inspect" "dda94e39b0febe2e252117f07cac7513fa2e026d0dfb5b07e1769a95a49457fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dda94e39b0febe2e252117f07cac7513fa2e026d0dfb5b07e1769a95a49457fb", kill_on_drop: false }` [INFO] [stdout] dda94e39b0febe2e252117f07cac7513fa2e026d0dfb5b07e1769a95a49457fb