[INFO] crate netstring 0.4.1 is already in cache
[INFO] extracting crate netstring 0.4.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/netstring/0.4.1
[INFO] extracting crate netstring 0.4.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/netstring/0.4.1
[INFO] validating manifest of netstring-0.4.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of netstring-0.4.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing netstring-0.4.1
[INFO] finished frobbing netstring-0.4.1
[INFO] frobbed toml for netstring-0.4.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/netstring/0.4.1/Cargo.toml
[INFO] started frobbing netstring-0.4.1
[INFO] finished frobbing netstring-0.4.1
[INFO] frobbed toml for netstring-0.4.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/netstring/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing netstring-0.4.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/netstring/0.4.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 9b8c20a020815896ee4fd7e1f804d7447e1fb3027fab16ef8e545ef7415b4083
[INFO] running `"docker" "start" "-a" "9b8c20a020815896ee4fd7e1f804d7447e1fb3027fab16ef8e545ef7415b4083"`
[INFO] [stderr]    Compiling netstring v0.4.1 (/opt/crater/workdir)
[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 1.21s
[INFO] running `"docker" "inspect" "9b8c20a020815896ee4fd7e1f804d7447e1fb3027fab16ef8e545ef7415b4083"`
[INFO] running `"docker" "rm" "-f" "9b8c20a020815896ee4fd7e1f804d7447e1fb3027fab16ef8e545ef7415b4083"`
[INFO] [stdout] 9b8c20a020815896ee4fd7e1f804d7447e1fb3027fab16ef8e545ef7415b4083
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/netstring/0.4.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 78d5fe38bd4802a1e89af288cd78b633c1f03f76df05f5f9a99dc54638857505
[INFO] running `"docker" "start" "-a" "78d5fe38bd4802a1e89af288cd78b633c1f03f76df05f5f9a99dc54638857505"`
[INFO] [stderr]    Compiling netstring v0.4.1 (/opt/crater/workdir)
[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 2.31s
[INFO] running `"docker" "inspect" "78d5fe38bd4802a1e89af288cd78b633c1f03f76df05f5f9a99dc54638857505"`
[INFO] running `"docker" "rm" "-f" "78d5fe38bd4802a1e89af288cd78b633c1f03f76df05f5f9a99dc54638857505"`
[INFO] [stdout] 78d5fe38bd4802a1e89af288cd78b633c1f03f76df05f5f9a99dc54638857505
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-3/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/netstring/0.4.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] 907c0a42eff99a1cc8df524e3b7b792c49cff8540466d04119fe244da34f0e7e
[INFO] running `"docker" "start" "-a" "907c0a42eff99a1cc8df524e3b7b792c49cff8540466d04119fe244da34f0e7e"`
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/netstring-531dbe6c3bbec4a5
[INFO] [stdout] test channel::tests::send ... ok
[INFO] [stdout] test tests::multiple ... ok
[INFO] [stdout] test tests::basic_write ... ok
[INFO] [stdout] test tests::basic_read ... ok
[INFO] [stdout] test channel::tests::reader ... ok
[INFO] [stdout] test channel::tests::send_last ... ok
[INFO] [stdout] test tests::longer ... ok
[INFO] [stdout] test tests::invalid_delimiter ... ok
[INFO] [stderr]    Doc-tests netstring
[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] [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" "907c0a42eff99a1cc8df524e3b7b792c49cff8540466d04119fe244da34f0e7e"`
[INFO] running `"docker" "rm" "-f" "907c0a42eff99a1cc8df524e3b7b792c49cff8540466d04119fe244da34f0e7e"`
[INFO] [stdout] 907c0a42eff99a1cc8df524e3b7b792c49cff8540466d04119fe244da34f0e7e