[INFO] cloning repository https://github.com/igordejanovic/readcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/igordejanovic/readcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figordejanovic%2Freadcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figordejanovic%2Freadcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce2aabc30ae87cbd43d31050cb7ca94ad9c33f87 [INFO] checking igordejanovic/readcode against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figordejanovic%2Freadcode" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/igordejanovic/readcode 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/igordejanovic/readcode [INFO] finished tweaking git repo https://github.com/igordejanovic/readcode [INFO] tweaked toml for git repo https://github.com/igordejanovic/readcode written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/igordejanovic/readcode 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 pom v3.3.0 [INFO] [stderr] Downloaded genpdf v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3bae7f17f3e39eab78de4322c28edae28eb859ff41df5419c1c0f19fee454557 [INFO] running `Command { std: "docker" "start" "-a" "3bae7f17f3e39eab78de4322c28edae28eb859ff41df5419c1c0f19fee454557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bae7f17f3e39eab78de4322c28edae28eb859ff41df5419c1c0f19fee454557", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bae7f17f3e39eab78de4322c28edae28eb859ff41df5419c1c0f19fee454557", kill_on_drop: false }` [INFO] [stdout] 3bae7f17f3e39eab78de4322c28edae28eb859ff41df5419c1c0f19fee454557 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 164139a3a2c9c4705e7810e35d1c2a7b71cb4f51682dbfc7367497526410cf27 [INFO] running `Command { std: "docker" "start" "-a" "164139a3a2c9c4705e7810e35d1c2a7b71cb4f51682dbfc7367497526410cf27", kill_on_drop: false }` [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling pkg-config v0.3.28 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Compiling onig_sys v69.8.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking bstr v1.9.0 [INFO] [stderr] Checking pom v3.3.0 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking lopdf v0.26.0 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking printpdf v0.3.4 [INFO] [stderr] Checking genpdf v0.2.0 [INFO] [stderr] Checking onig v6.4.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking plist v1.6.0 [INFO] [stderr] Checking serde_json v1.0.111 [INFO] [stderr] Checking syntect v5.1.0 [INFO] [stderr] Checking readcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.13s [INFO] running `Command { std: "docker" "inspect" "164139a3a2c9c4705e7810e35d1c2a7b71cb4f51682dbfc7367497526410cf27", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "164139a3a2c9c4705e7810e35d1c2a7b71cb4f51682dbfc7367497526410cf27", kill_on_drop: false }` [INFO] [stdout] 164139a3a2c9c4705e7810e35d1c2a7b71cb4f51682dbfc7367497526410cf27 [INFO] checking igordejanovic/readcode against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Figordejanovic%2Freadcode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/igordejanovic/readcode on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/igordejanovic/readcode [INFO] finished tweaking git repo https://github.com/igordejanovic/readcode [INFO] tweaked toml for git repo https://github.com/igordejanovic/readcode written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/igordejanovic/readcode 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bdddd3764c715b57a5677e91e856575bedf9cef69ac4ec9dcbd7f1b6273bdc5 [INFO] running `Command { std: "docker" "start" "-a" "3bdddd3764c715b57a5677e91e856575bedf9cef69ac4ec9dcbd7f1b6273bdc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bdddd3764c715b57a5677e91e856575bedf9cef69ac4ec9dcbd7f1b6273bdc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bdddd3764c715b57a5677e91e856575bedf9cef69ac4ec9dcbd7f1b6273bdc5", kill_on_drop: false }` [INFO] [stdout] 3bdddd3764c715b57a5677e91e856575bedf9cef69ac4ec9dcbd7f1b6273bdc5 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c15b65439e61c5400a06f29a7f9e54aba6d94a944cf7ebcab01e2ff97bdf24b1 [INFO] running `Command { std: "docker" "start" "-a" "c15b65439e61c5400a06f29a7f9e54aba6d94a944cf7ebcab01e2ff97bdf24b1", kill_on_drop: false }` [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.20+deprecated [INFO] [stderr] Compiling serde v1.0.195 [INFO] [stderr] Compiling const_fn v0.4.9 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Checking aho-corasick v1.1.2 [INFO] [stderr] Compiling standback v0.2.17 [INFO] [stderr] Compiling time v0.2.27 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Compiling pkg-config v0.3.28 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking flate2 v1.0.28 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking iana-time-zone v0.1.59 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking time v0.3.31 [INFO] [stderr] Checking line-wrap v0.1.1 [INFO] [stderr] Checking quick-xml v0.31.0 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling derive_more v0.99.17 [INFO] [stderr] Compiling onig_sys v69.8.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling clap_derive v3.2.25 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking chrono v0.4.31 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Compiling time-macros-impl v0.1.2 [INFO] [stderr] Compiling serde_derive v1.0.195 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking bstr v1.9.0 [INFO] [stderr] Checking pom v3.3.0 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking lopdf v0.26.0 [INFO] [stderr] Checking onig v6.4.0 [INFO] [stderr] Checking printpdf v0.3.4 [INFO] [stderr] Checking genpdf v0.2.0 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking serde_json v1.0.111 [INFO] [stderr] Checking plist v1.6.0 [INFO] [stderr] Checking syntect v5.1.0 [INFO] [stderr] Checking readcode v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.76s [INFO] running `Command { std: "docker" "inspect" "c15b65439e61c5400a06f29a7f9e54aba6d94a944cf7ebcab01e2ff97bdf24b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c15b65439e61c5400a06f29a7f9e54aba6d94a944cf7ebcab01e2ff97bdf24b1", kill_on_drop: false }` [INFO] [stdout] c15b65439e61c5400a06f29a7f9e54aba6d94a944cf7ebcab01e2ff97bdf24b1