[INFO] cloning repository https://github.com/AlcalinoGitHub/c_build [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AlcalinoGitHub/c_build" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcalinoGitHub%2Fc_build", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcalinoGitHub%2Fc_build'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9dfddccf3db31b2a7f99a7d1895a1b967cadcade [INFO] checking AlcalinoGitHub/c_build against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcalinoGitHub%2Fc_build" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AlcalinoGitHub/c_build on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlcalinoGitHub/c_build [INFO] finished tweaking git repo https://github.com/AlcalinoGitHub/c_build [INFO] tweaked toml for git repo https://github.com/AlcalinoGitHub/c_build written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/AlcalinoGitHub/c_build 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc109c80cf591261f6bde8ebbdaa168f0b9e580faa8a5562a137096d7e1cd18a [INFO] running `Command { std: "docker" "start" "-a" "bc109c80cf591261f6bde8ebbdaa168f0b9e580faa8a5562a137096d7e1cd18a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc109c80cf591261f6bde8ebbdaa168f0b9e580faa8a5562a137096d7e1cd18a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc109c80cf591261f6bde8ebbdaa168f0b9e580faa8a5562a137096d7e1cd18a", kill_on_drop: false }` [INFO] [stdout] bc109c80cf591261f6bde8ebbdaa168f0b9e580faa8a5562a137096d7e1cd18a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 787eb71a57033c2381bb429f1893ea4e0d25c300d23448047eb03299d1c0fdd6 [INFO] running `Command { std: "docker" "start" "-a" "787eb71a57033c2381bb429f1893ea4e0d25c300d23448047eb03299d1c0fdd6", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking c_build v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/libraries.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> src/libraries.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.94s [INFO] running `Command { std: "docker" "inspect" "787eb71a57033c2381bb429f1893ea4e0d25c300d23448047eb03299d1c0fdd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "787eb71a57033c2381bb429f1893ea4e0d25c300d23448047eb03299d1c0fdd6", kill_on_drop: false }` [INFO] [stdout] 787eb71a57033c2381bb429f1893ea4e0d25c300d23448047eb03299d1c0fdd6 [INFO] checking AlcalinoGitHub/c_build against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlcalinoGitHub%2Fc_build" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/AlcalinoGitHub/c_build on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/AlcalinoGitHub/c_build [INFO] finished tweaking git repo https://github.com/AlcalinoGitHub/c_build [INFO] tweaked toml for git repo https://github.com/AlcalinoGitHub/c_build written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/AlcalinoGitHub/c_build 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2498b83fe2f7e68f50de1f63970e9161704bf20b7de8a99ce4009e9e58be36b [INFO] running `Command { std: "docker" "start" "-a" "e2498b83fe2f7e68f50de1f63970e9161704bf20b7de8a99ce4009e9e58be36b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2498b83fe2f7e68f50de1f63970e9161704bf20b7de8a99ce4009e9e58be36b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2498b83fe2f7e68f50de1f63970e9161704bf20b7de8a99ce4009e9e58be36b", kill_on_drop: false }` [INFO] [stdout] e2498b83fe2f7e68f50de1f63970e9161704bf20b7de8a99ce4009e9e58be36b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85dcddc8954311be19ecb898665d7b7216ce8349f086b8ebe392512a8dd5dffd [INFO] running `Command { std: "docker" "start" "-a" "85dcddc8954311be19ecb898665d7b7216ce8349f086b8ebe392512a8dd5dffd", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling serde v1.0.183 [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling serde_derive v1.0.183 [INFO] [stderr] Compiling serde_json v1.0.105 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.183/src/lib_precompiled.rs:68:9 [INFO] [stdout] | [INFO] [stdout] 68 | panic!(); [INFO] [stdout] | ^^^^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_derive` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "85dcddc8954311be19ecb898665d7b7216ce8349f086b8ebe392512a8dd5dffd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85dcddc8954311be19ecb898665d7b7216ce8349f086b8ebe392512a8dd5dffd", kill_on_drop: false }` [INFO] [stdout] 85dcddc8954311be19ecb898665d7b7216ce8349f086b8ebe392512a8dd5dffd