[INFO] crate class2json 0.1.0 is already in cache
[INFO] extracting crate class2json 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/class2json/0.1.0
[INFO] extracting crate class2json 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/class2json/0.1.0
[INFO] validating manifest of class2json-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of class2json-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing class2json-0.1.0
[INFO] finished frobbing class2json-0.1.0
[INFO] frobbed toml for class2json-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/class2json/0.1.0/Cargo.toml
[INFO] started frobbing class2json-0.1.0
[INFO] finished frobbing class2json-0.1.0
[INFO] frobbed toml for class2json-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/class2json/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing class2json-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/class2json/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 24aca028e1c68d763f3ffce720fe8cb56960608ac92314cf93e42868551844ef
[INFO] running `"docker" "start" "-a" "24aca028e1c68d763f3ffce720fe8cb56960608ac92314cf93e42868551844ef"`
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling class2json v0.1.0 (/opt/crater/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<u8> {
[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<u16> {
[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<Box<CpInfo>>,
[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:39:27
[INFO] [stderr]    |
[INFO] [stderr] 39 | 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:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 | 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:65:36
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut constant_pool: Vec<Box<CpInfo>> = 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:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let cp_info: Box<CpInfo> = 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:182:24
[INFO] [stderr]     |
[INFO] [stderr] 182 | 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:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 | 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:224:28
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes {
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.14s
[INFO] running `"docker" "inspect" "24aca028e1c68d763f3ffce720fe8cb56960608ac92314cf93e42868551844ef"`
[INFO] running `"docker" "rm" "-f" "24aca028e1c68d763f3ffce720fe8cb56960608ac92314cf93e42868551844ef"`
[INFO] [stdout] 24aca028e1c68d763f3ffce720fe8cb56960608ac92314cf93e42868551844ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/class2json/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0e1a81ef24e66bc7768a8663cb75a19ec11008cf2ec7ac2525bc999ba5f7c6e0
[INFO] running `"docker" "start" "-a" "0e1a81ef24e66bc7768a8663cb75a19ec11008cf2ec7ac2525bc999ba5f7c6e0"`
[INFO] [stderr]    Compiling class2json v0.1.0 (/opt/crater/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<u8> {
[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<u16> {
[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<Box<CpInfo>>,
[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:39:27
[INFO] [stderr]    |
[INFO] [stderr] 39 | 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:64:31
[INFO] [stderr]    |
[INFO] [stderr] 64 | 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:65:36
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut constant_pool: Vec<Box<CpInfo>> = 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:72:26
[INFO] [stderr]    |
[INFO] [stderr] 72 |         let cp_info: Box<CpInfo> = 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:182:24
[INFO] [stderr]     |
[INFO] [stderr] 182 | 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:203:25
[INFO] [stderr]     |
[INFO] [stderr] 203 | 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:224:28
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn read_attributes(f: &mut Read, attributes_count: u16) -> Attributes {
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "0e1a81ef24e66bc7768a8663cb75a19ec11008cf2ec7ac2525bc999ba5f7c6e0"`
[INFO] running `"docker" "rm" "-f" "0e1a81ef24e66bc7768a8663cb75a19ec11008cf2ec7ac2525bc999ba5f7c6e0"`
[INFO] [stdout] 0e1a81ef24e66bc7768a8663cb75a19ec11008cf2ec7ac2525bc999ba5f7c6e0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/class2json/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9cfb89103824951b47fcddc499001735a03f3e50058d8dd61678b274699ffc41
[INFO] running `"docker" "start" "-a" "9cfb89103824951b47fcddc499001735a03f3e50058d8dd61678b274699ffc41"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/class2json-f443255d28ea9f8c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9cfb89103824951b47fcddc499001735a03f3e50058d8dd61678b274699ffc41"`
[INFO] running `"docker" "rm" "-f" "9cfb89103824951b47fcddc499001735a03f3e50058d8dd61678b274699ffc41"`
[INFO] [stdout] 9cfb89103824951b47fcddc499001735a03f3e50058d8dd61678b274699ffc41