[INFO] cloning repository https://github.com/ianakotey/grade_gen [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ianakotey/grade_gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de49c2bc8724de91f97a4b1f4bd00e610e15345f [INFO] checking ianakotey/grade_gen against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fianakotey%2Fgrade_gen" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ianakotey/grade_gen 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/ianakotey/grade_gen [INFO] finished tweaking git repo https://github.com/ianakotey/grade_gen [INFO] tweaked toml for git repo https://github.com/ianakotey/grade_gen written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 71 packages [INFO] [stderr] Adding backtrace v0.2.3 (latest: v0.3.71) [INFO] [stderr] Adding byteorder v0.5.3 (latest: v1.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding dirs v4.0.0 (latest: v5.0.1) [INFO] [stderr] Adding dirs-sys v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding error-chain v0.5.0 (latest: v0.12.4) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding log v0.3.9 (latest: v0.4.21) [INFO] [stderr] Adding podio v0.1.7 (latest: v0.2.0) [INFO] [stderr] Adding quick-xml v0.4.2 (latest: v0.31.0) [INFO] [stderr] Adding snafu v0.7.5 (latest: v0.8.2) [INFO] [stderr] Adding snafu-derive v0.7.5 (latest: v0.8.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding time v0.1.45 (latest: v0.3.34) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding winapi v0.2.8 (latest: v0.3.9) [INFO] [stderr] Adding zip v0.2.8 (latest: v0.6.6) [INFO] [stderr] Adding zip v0.5.13 (latest: v0.6.6) [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] Downloading crates ... [INFO] [stderr] Downloaded backtrace v0.2.3 [INFO] [stderr] Downloaded quick-xml v0.4.2 [INFO] [stderr] Downloaded error-chain v0.5.0 [INFO] [stderr] Downloaded msdos_time v0.1.6 [INFO] [stderr] Downloaded zip v0.2.8 [INFO] [stderr] Downloaded office v0.8.1 [INFO] [stderr] Downloaded simple_excel_writer v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fa9853af688d56338ff99a183e396d573d0d3a9a786eaf5379ca5617f4e54464 [INFO] running `Command { std: "docker" "start" "-a" "fa9853af688d56338ff99a183e396d573d0d3a9a786eaf5379ca5617f4e54464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa9853af688d56338ff99a183e396d573d0d3a9a786eaf5379ca5617f4e54464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa9853af688d56338ff99a183e396d573d0d3a9a786eaf5379ca5617f4e54464", kill_on_drop: false }` [INFO] [stdout] fa9853af688d56338ff99a183e396d573d0d3a9a786eaf5379ca5617f4e54464 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d23e0326c53a9328da9f8918278e7f0059abeefc4c972a61c2cdc6fa6468ea5b [INFO] running `Command { std: "docker" "start" "-a" "d23e0326c53a9328da9f8918278e7f0059abeefc4c972a61c2cdc6fa6468ea5b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling backtrace v0.2.3 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling dbghelp-sys v0.2.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking msdos_time v0.1.6 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking podio v0.1.7 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking zip v0.2.8 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking quick-xml v0.4.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking byteorder v0.5.3 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking ryu v1.0.17 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking error-chain v0.5.0 [INFO] [stderr] Checking office v0.8.1 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Compiling snafu-derive v0.7.5 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking simple_excel_writer v0.2.0 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking snafu v0.7.5 [INFO] [stderr] Checking canvas2camu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant `FileEmptyError` is never constructed [INFO] [stdout] --> src/enrollment.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum EnrollmentError { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 20 | FileEmptyError, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EnrollmentError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FileEmptyError` is never constructed [INFO] [stdout] --> src/enrollment.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub enum EnrollmentError { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 20 | FileEmptyError, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `EnrollmentError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.29s [INFO] running `Command { std: "docker" "inspect" "d23e0326c53a9328da9f8918278e7f0059abeefc4c972a61c2cdc6fa6468ea5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d23e0326c53a9328da9f8918278e7f0059abeefc4c972a61c2cdc6fa6468ea5b", kill_on_drop: false }` [INFO] [stdout] d23e0326c53a9328da9f8918278e7f0059abeefc4c972a61c2cdc6fa6468ea5b