[INFO] crate beautician 0.1.1 is already in cache
[INFO] testing beautician-0.1.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate beautician 0.1.1 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate beautician 0.1.1 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate beautician 0.1.1
[INFO] finished tweaking crates.io crate beautician 0.1.1
[INFO] tweaked toml for crates.io crate beautician 0.1.1 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 647208c58189db9d625d99db4e5819774eacf583121e926866a5cc8e506b1a86
[INFO] running `"docker" "start" "-a" "647208c58189db9d625d99db4e5819774eacf583121e926866a5cc8e506b1a86"`
[INFO] [stderr]    Compiling beautician v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn spaces(wr: &mut io::Write, n: u32) -> io::Result<()> {
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn escape_bytes(wr: &mut io::Write, bytes: &[u8]) -> io::Result<()> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn escape_str(wr: &mut io::Write, value: &str) -> io::Result<()> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn stream(&mut self, src: &mut io::Read, dest: &mut io::Write) -> Result<(), json::BuilderError> {
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:61
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn stream(&mut self, src: &mut io::Read, dest: &mut io::Write) -> Result<(), json::BuilderError> {
[INFO] [stderr]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:75
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn build_value<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, curr_indent: u32)
[INFO] [stderr]    |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:75
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn build_array<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, old_indent: u32)
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:76
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn build_object<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, old_indent: u32)
[INFO] [stderr]     |                                                                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:241:27
[INFO] [stderr]     |
[INFO] [stderr] 241 | pub fn prettify(src: &mut io::Read, dest: &mut io::Write)
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:241:48
[INFO] [stderr]     |
[INFO] [stderr] 241 | pub fn prettify(src: &mut io::Read, dest: &mut io::Write)
[INFO] [stderr]     |                                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self,Read,Write};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `"docker" "inspect" "647208c58189db9d625d99db4e5819774eacf583121e926866a5cc8e506b1a86"`
[INFO] running `"docker" "rm" "-f" "647208c58189db9d625d99db4e5819774eacf583121e926866a5cc8e506b1a86"`
[INFO] [stdout] 647208c58189db9d625d99db4e5819774eacf583121e926866a5cc8e506b1a86
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 75b60044e38914b4416091b07f40ea052756c9a4626c7df69f0455aea916b2fd
[INFO] running `"docker" "start" "-a" "75b60044e38914b4416091b07f40ea052756c9a4626c7df69f0455aea916b2fd"`
[INFO] [stderr]    Compiling beautician v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn spaces(wr: &mut io::Write, n: u32) -> io::Result<()> {
[INFO] [stderr]    |                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:27:30
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn escape_bytes(wr: &mut io::Write, bytes: &[u8]) -> io::Result<()> {
[INFO] [stderr]    |                              ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn escape_str(wr: &mut io::Write, value: &str) -> io::Result<()> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn stream(&mut self, src: &mut io::Read, dest: &mut io::Write) -> Result<(), json::BuilderError> {
[INFO] [stderr]    |                                        ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:61
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn stream(&mut self, src: &mut io::Read, dest: &mut io::Write) -> Result<(), json::BuilderError> {
[INFO] [stderr]    |                                                             ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:91:75
[INFO] [stderr]    |
[INFO] [stderr] 91 |     fn build_value<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, curr_indent: u32)
[INFO] [stderr]    |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:125:75
[INFO] [stderr]     |
[INFO] [stderr] 125 |     fn build_array<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, old_indent: u32)
[INFO] [stderr]     |                                                                           ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:167:76
[INFO] [stderr]     |
[INFO] [stderr] 167 |     fn build_object<T>(&mut self, parser: &mut json::Parser<T>, dest: &mut io::Write, old_indent: u32)
[INFO] [stderr]     |                                                                            ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:241:27
[INFO] [stderr]     |
[INFO] [stderr] 241 | pub fn prettify(src: &mut io::Read, dest: &mut io::Write)
[INFO] [stderr]     |                           ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:241:48
[INFO] [stderr]     |
[INFO] [stderr] 241 | pub fn prettify(src: &mut io::Read, dest: &mut io::Write)
[INFO] [stderr]     |                                                ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/lib.rs:3:25
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::{self,Read,Write};
[INFO] [stderr]   |                         ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "75b60044e38914b4416091b07f40ea052756c9a4626c7df69f0455aea916b2fd"`
[INFO] running `"docker" "rm" "-f" "75b60044e38914b4416091b07f40ea052756c9a4626c7df69f0455aea916b2fd"`
[INFO] [stdout] 75b60044e38914b4416091b07f40ea052756c9a4626c7df69f0455aea916b2fd
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] bbd6d947da71fa8c183c85f2cb362010e64ea870a78de9c48edfda715e424d71
[INFO] running `"docker" "start" "-a" "bbd6d947da71fa8c183c85f2cb362010e64ea870a78de9c48edfda715e424d71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beautician-e51c7e8b46ebe5df
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests beautician
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - prettify (line 228) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bbd6d947da71fa8c183c85f2cb362010e64ea870a78de9c48edfda715e424d71"`
[INFO] running `"docker" "rm" "-f" "bbd6d947da71fa8c183c85f2cb362010e64ea870a78de9c48edfda715e424d71"`
[INFO] [stdout] bbd6d947da71fa8c183c85f2cb362010e64ea870a78de9c48edfda715e424d71