[INFO] updating cached repository Widen/enctool
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Widen/enctool
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Widen/enctool" "work/ex/beta-1.38-1/sources/1.37.0/gh/Widen/enctool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Widen/enctool'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Widen/enctool" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1af758fee4f969ff873235bf7561f9e36c7b94bd
[INFO] sha for GitHub repo Widen/enctool: 1af758fee4f969ff873235bf7561f9e36c7b94bd
[INFO] validating manifest of Widen/enctool 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 Widen/enctool 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 Widen/enctool
[INFO] finished frobbing Widen/enctool
[INFO] frobbed toml for Widen/enctool written to work/ex/beta-1.38-1/sources/1.37.0/gh/Widen/enctool/Cargo.toml
[INFO] started frobbing Widen/enctool
[INFO] finished frobbing Widen/enctool
[INFO] frobbed toml for Widen/enctool written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool/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 Widen/enctool against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] de962e68c4aaa1875133246d397fefbe43e8125aa0e0943097a0a62e9f2c598b
[INFO] running `"docker" "start" "-a" "de962e68c4aaa1875133246d397fefbe43e8125aa0e0943097a0a62e9f2c598b"`
[INFO] [stderr]    Compiling chardet v0.2.4
[INFO] [stderr]    Compiling enctool v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[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/convert.rs:6:41
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                         ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:64
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/guess.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn guess(reader: &mut Read) -> Option<String> {
[INFO] [stderr]   |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/validate.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stderr]   |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/validate.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stderr]   |                                               ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut input: Box<Read> = match matches.opt_str("input") {
[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:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut output: Box<Write> = match matches.opt_str("output") {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn check_utf8mb4(reader: &mut Read) {
[INFO] [stderr]     |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "de962e68c4aaa1875133246d397fefbe43e8125aa0e0943097a0a62e9f2c598b"`
[INFO] running `"docker" "rm" "-f" "de962e68c4aaa1875133246d397fefbe43e8125aa0e0943097a0a62e9f2c598b"`
[INFO] [stdout] de962e68c4aaa1875133246d397fefbe43e8125aa0e0943097a0a62e9f2c598b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ce3952def694a033e71614ad22d80f24e614287dd332e96f07ff6de2f03c414d
[INFO] running `"docker" "start" "-a" "ce3952def694a033e71614ad22d80f24e614287dd332e96f07ff6de2f03c414d"`
[INFO] [stderr]    Compiling enctool v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:29
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[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/convert.rs:6:41
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                         ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:64
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/convert.rs:6:78
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn convert(reader: &mut Read, src: &Encoding, writer: &mut Write, dest: &Encoding) {
[INFO] [stderr]   |                                                                              ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/guess.rs:6:27
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn guess(reader: &mut Read) -> Option<String> {
[INFO] [stderr]   |                           ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/validate.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stderr]   |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/validate.rs:6:47
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn validate(reader: &mut Read, encoding: &Encoding) {
[INFO] [stderr]   |                                               ^^^^^^^^ help: use `dyn`: `dyn Encoding`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:24
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let mut input: Box<Read> = match matches.opt_str("input") {
[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:98:29
[INFO] [stderr]    |
[INFO] [stderr] 98 |         let mut output: Box<Write> = match matches.opt_str("output") {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 | fn check_utf8mb4(reader: &mut Read) {
[INFO] [stderr]     |                               ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "ce3952def694a033e71614ad22d80f24e614287dd332e96f07ff6de2f03c414d"`
[INFO] running `"docker" "rm" "-f" "ce3952def694a033e71614ad22d80f24e614287dd332e96f07ff6de2f03c414d"`
[INFO] [stdout] ce3952def694a033e71614ad22d80f24e614287dd332e96f07ff6de2f03c414d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Widen/enctool:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] f20943e76412eccbd5c221b61f5b22715d51a0d8f6c6b7ecd411c43e41047220
[INFO] running `"docker" "start" "-a" "f20943e76412eccbd5c221b61f5b22715d51a0d8f6c6b7ecd411c43e41047220"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/enctool-86b54a288f92260f
[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" "f20943e76412eccbd5c221b61f5b22715d51a0d8f6c6b7ecd411c43e41047220"`
[INFO] running `"docker" "rm" "-f" "f20943e76412eccbd5c221b61f5b22715d51a0d8f6c6b7ecd411c43e41047220"`
[INFO] [stdout] f20943e76412eccbd5c221b61f5b22715d51a0d8f6c6b7ecd411c43e41047220