[INFO] cloning repository https://github.com/nickfarrow/frostr [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickfarrow/frostr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickfarrow%2Ffrostr", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickfarrow%2Ffrostr'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] aac1b88794e0161706a4ec4109b7956e90687c05 [INFO] checking nickfarrow/frostr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickfarrow%2Ffrostr" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickfarrow/frostr 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/nickfarrow/frostr [INFO] finished tweaking git repo https://github.com/nickfarrow/frostr [INFO] tweaked toml for git repo https://github.com/nickfarrow/frostr written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nickfarrow/frostr 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded schnorr_fun v0.9.2 [INFO] [stderr] Downloaded subtle-ng v2.5.0 [INFO] [stderr] Downloaded secp256kfun v0.9.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 6cbbed226b4cf4745b8bc861ca1f1d3d3adea77eb7677596cfba4c7a5a3b1b00 [INFO] running `Command { std: "docker" "start" "-a" "6cbbed226b4cf4745b8bc861ca1f1d3d3adea77eb7677596cfba4c7a5a3b1b00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6cbbed226b4cf4745b8bc861ca1f1d3d3adea77eb7677596cfba4c7a5a3b1b00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6cbbed226b4cf4745b8bc861ca1f1d3d3adea77eb7677596cfba4c7a5a3b1b00", kill_on_drop: false }` [INFO] [stdout] 6cbbed226b4cf4745b8bc861ca1f1d3d3adea77eb7677596cfba4c7a5a3b1b00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 425f554e261351b01f8679f92a45add909e1fa2af0fb97c582390396a647f05a [INFO] running `Command { std: "docker" "start" "-a" "425f554e261351b01f8679f92a45add909e1fa2af0fb97c582390396a647f05a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking subtle-ng v2.5.0 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling openssl-sys v0.9.99 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Compiling openssl v0.10.63 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.26.5 [INFO] [stderr] Checking secp256kfun v0.9.1 [INFO] [stderr] Checking websocket v0.26.5 [INFO] [stderr] Checking schnorr_fun v0.9.2 [INFO] [stderr] Checking frostr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.73s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "425f554e261351b01f8679f92a45add909e1fa2af0fb97c582390396a647f05a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "425f554e261351b01f8679f92a45add909e1fa2af0fb97c582390396a647f05a", kill_on_drop: false }` [INFO] [stdout] 425f554e261351b01f8679f92a45add909e1fa2af0fb97c582390396a647f05a [INFO] checking nickfarrow/frostr against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickfarrow%2Ffrostr" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickfarrow/frostr 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/nickfarrow/frostr [INFO] finished tweaking git repo https://github.com/nickfarrow/frostr [INFO] tweaked toml for git repo https://github.com/nickfarrow/frostr written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nickfarrow/frostr 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 360897c134cbb1a849fc71026a8201b16a10dfd89dc437e5baacd5753f6b337c [INFO] running `Command { std: "docker" "start" "-a" "360897c134cbb1a849fc71026a8201b16a10dfd89dc437e5baacd5753f6b337c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "360897c134cbb1a849fc71026a8201b16a10dfd89dc437e5baacd5753f6b337c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "360897c134cbb1a849fc71026a8201b16a10dfd89dc437e5baacd5753f6b337c", kill_on_drop: false }` [INFO] [stdout] 360897c134cbb1a849fc71026a8201b16a10dfd89dc437e5baacd5753f6b337c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] dd42d6e75159d4d25d076b911713c3b9b7a55d4b886b9909c68a07b661a6766a [INFO] running `Command { std: "docker" "start" "-a" "dd42d6e75159d4d25d076b911713c3b9b7a55d4b886b9909c68a07b661a6766a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking matches v0.1.10 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Compiling serde_json v1.0.111 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking subtle-ng v2.5.0 [INFO] [stderr] Checking sha2 v0.10.8 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking hyper v0.10.16 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Compiling openssl-sys v0.9.99 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Compiling openssl v0.10.63 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking secp256kfun v0.9.1 [INFO] [stderr] Checking schnorr_fun v0.9.2 [INFO] [stderr] Checking tokio-tls v0.2.1 [INFO] [stderr] Checking websocket-base v0.26.5 [INFO] [stderr] Checking websocket v0.26.5 [INFO] [stderr] Checking frostr v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.50s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "dd42d6e75159d4d25d076b911713c3b9b7a55d4b886b9909c68a07b661a6766a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd42d6e75159d4d25d076b911713c3b9b7a55d4b886b9909c68a07b661a6766a", kill_on_drop: false }` [INFO] [stdout] dd42d6e75159d4d25d076b911713c3b9b7a55d4b886b9909c68a07b661a6766a