[INFO] cloning repository https://github.com/nielsdos/snowman [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nielsdos/snowman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f88479c9bd34b67750ef72de760f330ab42a3f4f [INFO] checking nielsdos/snowman against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nielsdos/snowman 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/nielsdos/snowman [INFO] finished tweaking git repo https://github.com/nielsdos/snowman [INFO] tweaked toml for git repo https://github.com/nielsdos/snowman written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nielsdos/snowman 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cbfe50c6955e7b68346ed5fa35418d8fb9bcc8fd90063b17c93f78316edc23c8 [INFO] running `Command { std: "docker" "start" "-a" "cbfe50c6955e7b68346ed5fa35418d8fb9bcc8fd90063b17c93f78316edc23c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbfe50c6955e7b68346ed5fa35418d8fb9bcc8fd90063b17c93f78316edc23c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbfe50c6955e7b68346ed5fa35418d8fb9bcc8fd90063b17c93f78316edc23c8", kill_on_drop: false }` [INFO] [stdout] cbfe50c6955e7b68346ed5fa35418d8fb9bcc8fd90063b17c93f78316edc23c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 51ad55e3de2c0799c7ef1342d04f71f45e870e817291670a6c7b0dabb391c302 [INFO] running `Command { std: "docker" "start" "-a" "51ad55e3de2c0799c7ef1342d04f71f45e870e817291670a6c7b0dabb391c302", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling version-compare v0.1.0 [INFO] [stderr] Compiling sdl2 v0.35.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Compiling num-derive v0.3.3 [INFO] [stderr] Compiling syscall v0.1.0 (/opt/rustwide/workdir/lib/syscall) [INFO] [stderr] Checking snowman_emulator v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `accessor` [INFO] [stdout] --> src/emulated_kernel.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | accessor: EmulatorAccessor, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `accessor` [INFO] [stdout] --> src/emulated_kernel.rs:226:9 [INFO] [stdout] | [INFO] [stdout] 226 | accessor: EmulatorAccessor, [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_accessor` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `deallocate` is never used [INFO] [stdout] --> src/bitvector_allocator.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl BitVectorAllocator { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn deallocate(&mut self, bit: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmp_r8_imm8` is never used [INFO] [stdout] --> src/emulator.rs:743:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a> Emulator<'a> { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 743 | fn cmp_r8_imm8(&mut self, reg: u8) -> Result<(), EmulatorError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `overwrite_u8` is never used [INFO] [stdout] --> src/executable.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> Executable<'a> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn overwrite_u8(&mut self, offset: usize, data: u8) -> Result<(), ExecutableFormatError> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> src/object_environment.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Pen { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 33 | // TODO: style [INFO] [stdout] 34 | pub width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/byte_string.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | self.data.deref() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Deref`, so calling `deref` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `deallocate` is never used [INFO] [stdout] --> src/bitvector_allocator.rs:29:12 [INFO] [stdout] | [INFO] [stdout] 7 | impl BitVectorAllocator { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 29 | pub fn deallocate(&mut self, bit: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `cmp_r8_imm8` is never used [INFO] [stdout] --> src/emulator.rs:743:8 [INFO] [stdout] | [INFO] [stdout] 31 | impl<'a> Emulator<'a> { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 743 | fn cmp_r8_imm8(&mut self, reg: u8) -> Result<(), EmulatorError> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `overwrite_u8` is never used [INFO] [stdout] --> src/executable.rs:75:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl<'a> Executable<'a> { [INFO] [stdout] | ----------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 75 | pub fn overwrite_u8(&mut self, offset: usize, data: u8) -> Result<(), ExecutableFormatError> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `width` is never read [INFO] [stdout] --> src/object_environment.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 32 | pub struct Pen { [INFO] [stdout] | --- field in this struct [INFO] [stdout] 33 | // TODO: style [INFO] [stdout] 34 | pub width: u16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing [INFO] [stdout] --> src/byte_string.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | self.data.deref() [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Deref`, so calling `deref` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.08s [INFO] running `Command { std: "docker" "inspect" "51ad55e3de2c0799c7ef1342d04f71f45e870e817291670a6c7b0dabb391c302", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51ad55e3de2c0799c7ef1342d04f71f45e870e817291670a6c7b0dabb391c302", kill_on_drop: false }` [INFO] [stdout] 51ad55e3de2c0799c7ef1342d04f71f45e870e817291670a6c7b0dabb391c302 [INFO] checking nielsdos/snowman against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnielsdos%2Fsnowman" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nielsdos/snowman 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/nielsdos/snowman [INFO] finished tweaking git repo https://github.com/nielsdos/snowman [INFO] tweaked toml for git repo https://github.com/nielsdos/snowman written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nielsdos/snowman 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2365ce8927a089c6bda064c83e79303501fdefc9b3204191c25df0af822d1783 [INFO] running `Command { std: "docker" "start" "-a" "2365ce8927a089c6bda064c83e79303501fdefc9b3204191c25df0af822d1783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2365ce8927a089c6bda064c83e79303501fdefc9b3204191c25df0af822d1783", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2365ce8927a089c6bda064c83e79303501fdefc9b3204191c25df0af822d1783", kill_on_drop: false }` [INFO] [stdout] 2365ce8927a089c6bda064c83e79303501fdefc9b3204191c25df0af822d1783 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dd5efd29358bfc6673ef9ea79592845a0daaaf1ff0570bb117ba90a618dba221 [INFO] running `Command { std: "docker" "start" "-a" "dd5efd29358bfc6673ef9ea79592845a0daaaf1ff0570bb117ba90a618dba221", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling version-compare v0.1.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling sdl2 v0.35.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling sdl2-sys v0.35.2 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sdl2-0.35.2/src/sdl2/render.rs:233:13 [INFO] [stdout] | [INFO] [stdout] 233 | 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[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | 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] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [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 `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 `sdl2` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "dd5efd29358bfc6673ef9ea79592845a0daaaf1ff0570bb117ba90a618dba221", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd5efd29358bfc6673ef9ea79592845a0daaaf1ff0570bb117ba90a618dba221", kill_on_drop: false }` [INFO] [stdout] dd5efd29358bfc6673ef9ea79592845a0daaaf1ff0570bb117ba90a618dba221