[INFO] crate netstring 0.4.1 is already in cache
[INFO] testing netstring-0.4.1 against 1.38.0 for beta-1.39-1
[INFO] extracting crate netstring 0.4.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate netstring 0.4.1 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 netstring 0.4.1
[INFO] finished tweaking crates.io crate netstring 0.4.1
[INFO] tweaked toml for crates.io crate netstring 0.4.1 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] c0f2bbf4ab5769f53c05c29d0bc9c710a266c79520d082680d995e76910f416f
[INFO] running `"docker" "start" "-a" "c0f2bbf4ab5769f53c05c29d0bc9c710a266c79520d082680d995e76910f416f"`
[INFO] [stderr]    Compiling netstring v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/channel.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/channel.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 match err.cause() {
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "c0f2bbf4ab5769f53c05c29d0bc9c710a266c79520d082680d995e76910f416f"`
[INFO] running `"docker" "rm" "-f" "c0f2bbf4ab5769f53c05c29d0bc9c710a266c79520d082680d995e76910f416f"`
[INFO] [stdout] c0f2bbf4ab5769f53c05c29d0bc9c710a266c79520d082680d995e76910f416f
[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] 7f4abafdf214c0b8e8545fdd2949d19920e705b3904aa7a11715d324803bad5f
[INFO] running `"docker" "start" "-a" "7f4abafdf214c0b8e8545fdd2949d19920e705b3904aa7a11715d324803bad5f"`
[INFO] [stderr]    Compiling netstring v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/channel.rs:190:32
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/channel.rs:174:27
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 match err.cause() {
[INFO] [stderr]     |                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "7f4abafdf214c0b8e8545fdd2949d19920e705b3904aa7a11715d324803bad5f"`
[INFO] running `"docker" "rm" "-f" "7f4abafdf214c0b8e8545fdd2949d19920e705b3904aa7a11715d324803bad5f"`
[INFO] [stdout] 7f4abafdf214c0b8e8545fdd2949d19920e705b3904aa7a11715d324803bad5f
[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] 8c41ffc1cd62d70368988a38cdb84faef5bb8193147cf11519a3c6c6d8646d71
[INFO] running `"docker" "start" "-a" "8c41ffc1cd62d70368988a38cdb84faef5bb8193147cf11519a3c6c6d8646d71"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/netstring-6780fa5967883edb
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::basic_read ... ok
[INFO] [stdout] test tests::basic_write ... ok
[INFO] [stdout] test channel::tests::reader ... ok
[INFO] [stdout] test channel::tests::send ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test channel::tests::send_last ... ok
[INFO] [stdout] test tests::longer ... ok
[INFO] [stdout] test tests::invalid_delimiter ... ok
[INFO] [stdout] test tests::shorter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests netstring
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/channel.rs - channel::Channel::send_last (line 146) ... 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" "8c41ffc1cd62d70368988a38cdb84faef5bb8193147cf11519a3c6c6d8646d71"`
[INFO] running `"docker" "rm" "-f" "8c41ffc1cd62d70368988a38cdb84faef5bb8193147cf11519a3c6c6d8646d71"`
[INFO] [stdout] 8c41ffc1cd62d70368988a38cdb84faef5bb8193147cf11519a3c6c6d8646d71