[INFO] updating cached repository https://github.com/MatevzFa/class2json [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d117af2ea0837f499261d72093dfc4bdcfdd4bfd [INFO] checking MatevzFa/class2json against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMatevzFa%2Fclass2json" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MatevzFa/class2json on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/MatevzFa/class2json [INFO] finished tweaking git repo https://github.com/MatevzFa/class2json [INFO] tweaked toml for git repo https://github.com/MatevzFa/class2json written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/MatevzFa/class2json already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 74f3bacf8b6302daeef9a1838b31e6262efd8c67cae61cd494752bd9322e5f37 [INFO] running `"docker" "start" "-a" "74f3bacf8b6302daeef9a1838b31e6262efd8c67cae61cd494752bd9322e5f37"` [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking atty v0.2.10 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling syn v0.15.27 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking erased-serde v0.3.9 [INFO] [stderr] Checking class2json v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn read_u8(f: &mut Read) -> u8 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn read_u16(f: &mut Read) -> u16 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:18:25 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn read_u32(f: &mut Read) -> u32 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:25:28 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn read_vec_u8(f: &mut Read, length: usize) -> Vec { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:32:29 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn read_vec_u16(f: &mut Read, length: usize) -> Vec { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/class_file/constant_pool.rs:15:24 [INFO] [stderr] | [INFO] [stderr] 15 | pub array: Vec>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/bytecode/mod.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / macro_rules! instruction { [INFO] [stderr] 2 | | ($instr:expr, [$(eval $a:expr),*]) => {{ [INFO] [stderr] 3 | | let mut vector: Vec = Vec::new(); [INFO] [stderr] 4 | | $(vector.push($x as u8);)* [INFO] [stderr] 5 | | (instr, vector.sum(), vector) [INFO] [stderr] 6 | | }}; [INFO] [stderr] 7 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:40:27 [INFO] [stderr] | [INFO] [stderr] 40 | fn read_classfile(f: &mut Read) -> ClassFile { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:65:31 [INFO] [stderr] | [INFO] [stderr] 65 | fn read_constant_pool(f: &mut Read, constant_pool_count: u16) -> ConstantPool { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:66:36 [INFO] [stderr] | [INFO] [stderr] 66 | let mut constant_pool: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:73:26 [INFO] [stderr] | [INFO] [stderr] 73 | let cp_info: Box = match tag { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:183:24 [INFO] [stderr] | [INFO] [stderr] 183 | fn read_fields(f: &mut Read, fields_count: u16) -> Fields { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:204:25 [INFO] [stderr] | [INFO] [stderr] 204 | fn read_methods(f: &mut Read, methods_count: u16) -> Methods { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:225:28 [INFO] [stderr] | [INFO] [stderr] 225 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:4:24 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn read_u8(f: &mut Read) -> u8 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:11:25 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn read_u16(f: &mut Read) -> u16 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:18:25 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn read_u32(f: &mut Read) -> u32 { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:25:28 [INFO] [stderr] | [INFO] [stderr] 25 | pub fn read_vec_u8(f: &mut Read, length: usize) -> Vec { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/read_util.rs:32:29 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn read_vec_u16(f: &mut Read, length: usize) -> Vec { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/class_file/constant_pool.rs:15:24 [INFO] [stderr] | [INFO] [stderr] 15 | pub array: Vec>, [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/bytecode/mod.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / macro_rules! instruction { [INFO] [stderr] 2 | | ($instr:expr, [$(eval $a:expr),*]) => {{ [INFO] [stderr] 3 | | let mut vector: Vec = Vec::new(); [INFO] [stderr] 4 | | $(vector.push($x as u8);)* [INFO] [stderr] 5 | | (instr, vector.sum(), vector) [INFO] [stderr] 6 | | }}; [INFO] [stderr] 7 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_macros)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:40:27 [INFO] [stderr] | [INFO] [stderr] 40 | fn read_classfile(f: &mut Read) -> ClassFile { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:65:31 [INFO] [stderr] | [INFO] [stderr] 65 | fn read_constant_pool(f: &mut Read, constant_pool_count: u16) -> ConstantPool { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:66:36 [INFO] [stderr] | [INFO] [stderr] 66 | let mut constant_pool: Vec> = Vec::new(); [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:73:26 [INFO] [stderr] | [INFO] [stderr] 73 | let cp_info: Box = match tag { [INFO] [stderr] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:183:24 [INFO] [stderr] | [INFO] [stderr] 183 | fn read_fields(f: &mut Read, fields_count: u16) -> Fields { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:204:25 [INFO] [stderr] | [INFO] [stderr] 204 | fn read_methods(f: &mut Read, methods_count: u16) -> Methods { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:225:28 [INFO] [stderr] | [INFO] [stderr] 225 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] error[E0277]: no implementation for `u8 | std::option::Option<&u8>` [INFO] [stderr] --> src/serialization.rs:32:61 [INFO] [stderr] | [INFO] [stderr] 32 | 2 => bytecode_iter.next().unwrap() << 8 | bytecode_iter.next(), [INFO] [stderr] | ^ no implementation for `u8 | std::option::Option<&u8>` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::BitOr>` is not implemented for `u8` [INFO] [stderr] [INFO] [stderr] error[E0369]: no implementation for `std::option::Option<&u8> << {integer}` [INFO] [stderr] --> src/serialization.rs:33:85 [INFO] [stderr] | [INFO] [stderr] 33 | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | -------------------- ^^ -- {integer} [INFO] [stderr] | | [INFO] [stderr] | std::option::Option<&u8> [INFO] [stderr] [INFO] [stderr] error[E0369]: no implementation for `std::option::Option<&u8> << {integer}` [INFO] [stderr] --> src/serialization.rs:33:114 [INFO] [stderr] | [INFO] [stderr] 33 | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | -------------------- ^^ - {integer} [INFO] [stderr] | | [INFO] [stderr] | std::option::Option<&u8> [INFO] [stderr] [INFO] [stderr] error[E0277]: no implementation for `u8 | std::option::Option<&u8>` [INFO] [stderr] --> src/serialization.rs:32:61 [INFO] [stderr] | [INFO] [stderr] 32 | 2 => bytecode_iter.next().unwrap() << 8 | bytecode_iter.next(), [INFO] [stderr] | ^ no implementation for `u8 | std::option::Option<&u8>` [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::ops::BitOr>` is not implemented for `u8` [INFO] [stderr] [INFO] [stderr] error[E0369]: no implementation for `std::option::Option<&u8> << {integer}` [INFO] [stderr] --> src/serialization.rs:33:85 [INFO] [stderr] | [INFO] [stderr] 33 | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | -------------------- ^^ -- {integer} [INFO] [stderr] | | [INFO] [stderr] | std::option::Option<&u8> [INFO] [stderr] [INFO] [stderr] error[E0369]: no implementation for `std::option::Option<&u8> << {integer}` [INFO] [stderr] --> src/serialization.rs:33:114 [INFO] [stderr] | [INFO] [stderr] 33 | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | -------------------- ^^ - {integer} [INFO] [stderr] | | [INFO] [stderr] | std::option::Option<&u8> [INFO] [stderr] [INFO] [stderr] error[E0308]: `match` arms have incompatible types [INFO] [stderr] --> src/serialization.rs:33:26 [INFO] [stderr] | [INFO] [stderr] 30 | let arg = match arg_len { [INFO] [stderr] | ___________________________- [INFO] [stderr] 31 | | 1 => bytecode_iter.next().unwrap(), [INFO] [stderr] | | ----------------------------- this is found to be of type `&u8` [INFO] [stderr] 32 | | 2 => bytecode_iter.next().unwrap() << 8 | bytecode_iter.next(), [INFO] [stderr] | | --------------------------------------------------------- this is found to be of type `&u8` [INFO] [stderr] 33 | | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&u8`, found `u8` [INFO] [stderr] 34 | | }; [INFO] [stderr] | |_________________- `match` arms have incompatible types [INFO] [stderr] [INFO] [stderr] error[E0308]: `match` arms have incompatible types [INFO] [stderr] --> src/serialization.rs:33:26 [INFO] [stderr] | [INFO] [stderr] 30 | let arg = match arg_len { [INFO] [stderr] | ___________________________- [INFO] [stderr] 31 | | 1 => bytecode_iter.next().unwrap(), [INFO] [stderr] | | ----------------------------- this is found to be of type `&u8` [INFO] [stderr] 32 | | 2 => bytecode_iter.next().unwrap() << 8 | bytecode_iter.next(), [INFO] [stderr] | | --------------------------------------------------------- this is found to be of type `&u8` [INFO] [stderr] 33 | | 4 => bytecode_iter.next().unwrap() << 24 | bytecode_iter.next() << 16 | bytecode_iter.next() << 8 | bytecode_iter.next().unwrap(), [INFO] [stderr] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&u8`, found `u8` [INFO] [stderr] 34 | | }; [INFO] [stderr] | |_________________- `match` arms have incompatible types [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors; 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0369. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: aborting due to 4 previous errors; 14 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0369. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `class2json`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `class2json`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "74f3bacf8b6302daeef9a1838b31e6262efd8c67cae61cd494752bd9322e5f37"` [INFO] running `"docker" "rm" "-f" "74f3bacf8b6302daeef9a1838b31e6262efd8c67cae61cd494752bd9322e5f37"` [INFO] [stdout] 74f3bacf8b6302daeef9a1838b31e6262efd8c67cae61cd494752bd9322e5f37