[INFO] fetching crate class2json 0.1.0... [INFO] checking class2json-0.1.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231 [INFO] extracting crate class2json 0.1.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate class2json 0.1.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate class2json 0.1.0 [INFO] finished tweaking crates.io crate class2json 0.1.0 [INFO] tweaked toml for crates.io crate class2json 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb871edfc3bcaeb98c5af9a252373a46dc4553d736570cb35e4ad36b4a310960 [INFO] running `Command { std: "docker" "start" "-a" "cb871edfc3bcaeb98c5af9a252373a46dc4553d736570cb35e4ad36b4a310960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb871edfc3bcaeb98c5af9a252373a46dc4553d736570cb35e4ad36b4a310960", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb871edfc3bcaeb98c5af9a252373a46dc4553d736570cb35e4ad36b4a310960", kill_on_drop: false }` [INFO] [stdout] cb871edfc3bcaeb98c5af9a252373a46dc4553d736570cb35e4ad36b4a310960 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6fb60b82cc87149798100cba2d1304247e1a0c857da833dcf553e3c9345300d9 [INFO] running `Command { std: "docker" "start" "-a" "6fb60b82cc87149798100cba2d1304247e1a0c857da833dcf553e3c9345300d9", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Checking erased-serde v0.3.15 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking class2json v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn read_u8(f: &mut Read) -> u8 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn read_u16(f: &mut Read) -> u16 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn read_u32(f: &mut Read) -> u32 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:25:28 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn read_vec_u8(f: &mut Read, length: usize) -> Vec { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:32:29 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn read_vec_u16(f: &mut Read, length: usize) -> Vec { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/class_file/constant_pool.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | pub array: Vec>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_classfile(f: &mut Read) -> ClassFile { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn read_constant_pool(f: &mut Read, constant_pool_count: u16) -> ConstantPool { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:36 [INFO] [stdout] | [INFO] [stdout] 65 | let mut constant_pool: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:72:26 [INFO] [stdout] | [INFO] [stdout] 72 | let cp_info: Box = match tag { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:182:24 [INFO] [stdout] | [INFO] [stdout] 182 | fn read_fields(f: &mut Read, fields_count: u16) -> Fields { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:203:25 [INFO] [stdout] | [INFO] [stdout] 203 | fn read_methods(f: &mut Read, methods_count: u16) -> Methods { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:224:28 [INFO] [stdout] | [INFO] [stdout] 224 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:4:24 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn read_u8(f: &mut Read) -> u8 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:11:25 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn read_u16(f: &mut Read) -> u16 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:18:25 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn read_u32(f: &mut Read) -> u32 { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:25:28 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn read_vec_u8(f: &mut Read, length: usize) -> Vec { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/read_util.rs:32:29 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn read_vec_u16(f: &mut Read, length: usize) -> Vec { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/class_file/constant_pool.rs:15:24 [INFO] [stdout] | [INFO] [stdout] 15 | pub array: Vec>, [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:39:27 [INFO] [stdout] | [INFO] [stdout] 39 | fn read_classfile(f: &mut Read) -> ClassFile { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn read_constant_pool(f: &mut Read, constant_pool_count: u16) -> ConstantPool { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:65:36 [INFO] [stdout] | [INFO] [stdout] 65 | let mut constant_pool: Vec> = Vec::new(); [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:72:26 [INFO] [stdout] | [INFO] [stdout] 72 | let cp_info: Box = match tag { [INFO] [stdout] | ^^^^^^ help: use `dyn`: `dyn CpInfo` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:182:24 [INFO] [stdout] | [INFO] [stdout] 182 | fn read_fields(f: &mut Read, fields_count: u16) -> Fields { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:203:25 [INFO] [stdout] | [INFO] [stdout] 203 | fn read_methods(f: &mut Read, methods_count: u16) -> Methods { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:224:28 [INFO] [stdout] | [INFO] [stdout] 224 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.50s [INFO] running `Command { std: "docker" "inspect" "6fb60b82cc87149798100cba2d1304247e1a0c857da833dcf553e3c9345300d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fb60b82cc87149798100cba2d1304247e1a0c857da833dcf553e3c9345300d9", kill_on_drop: false }` [INFO] [stdout] 6fb60b82cc87149798100cba2d1304247e1a0c857da833dcf553e3c9345300d9