[INFO] crate delta_patch 0.1.0 is already in cache
[INFO] testing delta_patch-0.1.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate delta_patch 0.1.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate delta_patch 0.1.0 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 delta_patch 0.1.0
[INFO] finished tweaking crates.io crate delta_patch 0.1.0
[INFO] tweaked toml for crates.io crate delta_patch 0.1.0 written to work/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 67c472fbdd26ab3ae7d1a2b5f9b9fecf621e72c3e74e83e49e181e3ce0a44f23
[INFO] running `"docker" "start" "-a" "67c472fbdd26ab3ae7d1a2b5f9b9fecf621e72c3e74e83e49e181e3ce0a44f23"`
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling blake2 v0.7.1
[INFO] [stderr]    Compiling delta_patch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn write_u32be(f: &mut Write, a: u32) -> Result<()> {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn 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/mksum.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn fill_buffer(inf: &mut Read, buf: &mut [u8]) -> Result<usize> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:99:39
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn generate_signature(basis: &mut Read, options: &SignatureOptions, sig: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:99:83
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn generate_signature(basis: &mut Read, options: &SignatureOptions, sig: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "67c472fbdd26ab3ae7d1a2b5f9b9fecf621e72c3e74e83e49e181e3ce0a44f23"`
[INFO] running `"docker" "rm" "-f" "67c472fbdd26ab3ae7d1a2b5f9b9fecf621e72c3e74e83e49e181e3ce0a44f23"`
[INFO] [stdout] 67c472fbdd26ab3ae7d1a2b5f9b9fecf621e72c3e74e83e49e181e3ce0a44f23
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 57b9e9b021816ac573a00aaa5e9ac416826ed0b0d86f799b4e151386b2158254
[INFO] running `"docker" "start" "-a" "57b9e9b021816ac573a00aaa5e9ac416826ed0b0d86f799b4e151386b2158254"`
[INFO] [stderr]    Compiling delta_patch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:62:24
[INFO] [stderr]    |
[INFO] [stderr] 62 | fn write_u32be(f: &mut Write, a: u32) -> Result<()> {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn 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/mksum.rs:84:26
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn fill_buffer(inf: &mut Read, buf: &mut [u8]) -> Result<usize> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:99:39
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn generate_signature(basis: &mut Read, options: &SignatureOptions, sig: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mksum.rs:99:83
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub fn generate_signature(basis: &mut Read, options: &SignatureOptions, sig: &mut Write) -> Result<()> {
[INFO] [stderr]    |                                                                                   ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `"docker" "inspect" "57b9e9b021816ac573a00aaa5e9ac416826ed0b0d86f799b4e151386b2158254"`
[INFO] running `"docker" "rm" "-f" "57b9e9b021816ac573a00aaa5e9ac416826ed0b0d86f799b4e151386b2158254"`
[INFO] [stdout] 57b9e9b021816ac573a00aaa5e9ac416826ed0b0d86f799b4e151386b2158254
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 86009e0d5bb76a1247df1e51f08b5bf60e4ae2836ea35cafd2464b3eaa257b8e
[INFO] running `"docker" "start" "-a" "86009e0d5bb76a1247df1e51f08b5bf60e4ae2836ea35cafd2464b3eaa257b8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/delta_patch-003997be83566581
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test rollsum::test::default_value ... ok
[INFO] [stdout] test rollsum::test::rollsum ... ok
[INFO] [stdout] test rollsum::test::update ... ok
[INFO] [stdout] test mksum::test::empty_signature_header ... ok
[INFO] [stdout] test mksum::test::small_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests delta_patch
[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" "86009e0d5bb76a1247df1e51f08b5bf60e4ae2836ea35cafd2464b3eaa257b8e"`
[INFO] running `"docker" "rm" "-f" "86009e0d5bb76a1247df1e51f08b5bf60e4ae2836ea35cafd2464b3eaa257b8e"`
[INFO] [stdout] 86009e0d5bb76a1247df1e51f08b5bf60e4ae2836ea35cafd2464b3eaa257b8e