[INFO] cloning repository https://github.com/vmalloc/_segfault_reproduce [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmalloc/_segfault_reproduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f7db56a6b1e6b62f30596985beb93e388f3ec9c [INFO] checking vmalloc/_segfault_reproduce against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce" "/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/vmalloc/_segfault_reproduce 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/vmalloc/_segfault_reproduce [INFO] finished tweaking git repo https://github.com/vmalloc/_segfault_reproduce [INFO] tweaked toml for git repo https://github.com/vmalloc/_segfault_reproduce written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vmalloc/_segfault_reproduce 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded diesel_migrations v1.4.0 [INFO] [stderr] Downloaded migrations_internals v1.4.1 [INFO] [stderr] Downloaded migrations_macros v1.4.2 [INFO] [stderr] Downloaded termios v0.3.1 [INFO] [stderr] Downloaded console v0.9.2 [INFO] [stderr] Downloaded better-panic v0.2.0 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 91e5d108c7997dcf1d94f4a795a147d2a5a2097b1dd940e2b801575b147bb5ff [INFO] running `Command { std: "docker" "start" "-a" "91e5d108c7997dcf1d94f4a795a147d2a5a2097b1dd940e2b801575b147bb5ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "91e5d108c7997dcf1d94f4a795a147d2a5a2097b1dd940e2b801575b147bb5ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91e5d108c7997dcf1d94f4a795a147d2a5a2097b1dd940e2b801575b147bb5ff", kill_on_drop: false }` [INFO] [stdout] 91e5d108c7997dcf1d94f4a795a147d2a5a2097b1dd940e2b801575b147bb5ff [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e425a8591045aa762789aa46789afd37f92b71d0d67b95e8c1c17f7fd8e050e [INFO] running `Command { std: "docker" "start" "-a" "3e425a8591045aa762789aa46789afd37f92b71d0d67b95e8c1c17f7fd8e050e", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling r2d2 v0.8.8 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Checking regex v1.3.6 [INFO] [stderr] Checking console v0.9.2 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Checking better-panic v0.2.0 [INFO] [stderr] Compiling diesel_derives v1.4.1 [INFO] [stderr] Compiling diesel v1.4.4 [INFO] [stderr] Checking migrations_internals v1.4.1 [INFO] [stderr] Compiling migrations_macros v1.4.2 [INFO] [stderr] Checking diesel_migrations v1.4.0 [INFO] [stderr] Checking side-lib v0.2.0 (/opt/rustwide/workdir/side-lib) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> side-lib/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> side-lib/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> side-lib/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> side-lib/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking main v0.5.0 (/opt/rustwide/workdir/main) [INFO] [stdout] warning: unused import: `side_lib` [INFO] [stdout] --> main/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use side_lib; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `side_lib` [INFO] [stdout] --> main/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use side_lib; [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 11.93s [INFO] running `Command { std: "docker" "inspect" "3e425a8591045aa762789aa46789afd37f92b71d0d67b95e8c1c17f7fd8e050e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e425a8591045aa762789aa46789afd37f92b71d0d67b95e8c1c17f7fd8e050e", kill_on_drop: false }` [INFO] [stdout] 3e425a8591045aa762789aa46789afd37f92b71d0d67b95e8c1c17f7fd8e050e [INFO] checking vmalloc/_segfault_reproduce against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce" "/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/vmalloc/_segfault_reproduce 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/vmalloc/_segfault_reproduce [INFO] finished tweaking git repo https://github.com/vmalloc/_segfault_reproduce [INFO] tweaked toml for git repo https://github.com/vmalloc/_segfault_reproduce written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vmalloc/_segfault_reproduce 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-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9f7abe621e0fbb093c1a1eee3adb65953363a83fed00e4ab876bf348989de88e [INFO] running `Command { std: "docker" "start" "-a" "9f7abe621e0fbb093c1a1eee3adb65953363a83fed00e4ab876bf348989de88e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f7abe621e0fbb093c1a1eee3adb65953363a83fed00e4ab876bf348989de88e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f7abe621e0fbb093c1a1eee3adb65953363a83fed00e4ab876bf348989de88e", kill_on_drop: false }` [INFO] [stdout] 9f7abe621e0fbb093c1a1eee3adb65953363a83fed00e4ab876bf348989de88e [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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12f1479d5532fc1d133965337f688c15acc796793947c9c633a192ebe7d4d6d2 [INFO] running `Command { std: "docker" "start" "-a" "12f1479d5532fc1d133965337f688c15acc796793947c9c633a192ebe7d4d6d2", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling pq-sys v0.4.6 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling scheduled-thread-pool v0.2.4 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling r2d2 v0.8.8 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling chrono v0.4.11 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.11/src/format/parse.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 423 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 423 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking clicolors-control v1.0.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.11/src/format/parse.rs:423:21 [INFO] [stdout] | [INFO] [stdout] 423 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 423 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking rustc-demangle v0.1.16 [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 `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 `chrono` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "12f1479d5532fc1d133965337f688c15acc796793947c9c633a192ebe7d4d6d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f1479d5532fc1d133965337f688c15acc796793947c9c633a192ebe7d4d6d2", kill_on_drop: false }` [INFO] [stdout] 12f1479d5532fc1d133965337f688c15acc796793947c9c633a192ebe7d4d6d2