[INFO] cloning repository https://github.com/sleepymurph/dmv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sleepymurph/dmv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepymurph%2Fdmv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepymurph%2Fdmv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9892fb208ca8850a3c0e74a353dc8d93430226f3
[INFO] testing sleepymurph/dmv against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsleepymurph%2Fdmv" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sleepymurph/dmv on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sleepymurph/dmv
[INFO] finished tweaking git repo https://github.com/sleepymurph/dmv
[INFO] tweaked toml for git repo https://github.com/sleepymurph/dmv written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sleepymurph/dmv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-demangle v0.1.3
[INFO] [stderr]   Downloaded backtrace v0.3.0
[INFO] [stderr]   Downloaded gcc v0.3.43
[INFO] [stderr]   Downloaded backtrace-sys v0.1.10
[INFO] [stderr]   Downloaded filebuffer v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27057766b4fc0d6e28384517d5efd8dec249e38f5b986da2f9520cf22d4925e5
[INFO] running `Command { std: "docker" "start" "-a" "27057766b4fc0d6e28384517d5efd8dec249e38f5b986da2f9520cf22d4925e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27057766b4fc0d6e28384517d5efd8dec249e38f5b986da2f9520cf22d4925e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27057766b4fc0d6e28384517d5efd8dec249e38f5b986da2f9520cf22d4925e5", kill_on_drop: false }`
[INFO] [stdout] 27057766b4fc0d6e28384517d5efd8dec249e38f5b986da2f9520cf22d4925e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a50a1184b59950e17008062849ccdba5c8f9c4994dca8bdd86690165a10141a
[INFO] running `Command { std: "docker" "start" "-a" "1a50a1184b59950e17008062849ccdba5c8f9c4994dca8bdd86690165a10141a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling dmv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling human_readable v0.1.0 (/opt/rustwide/workdir/human_readable)
[INFO] [stderr]    Compiling wrapper_struct v0.1.0 (/opt/rustwide/workdir/wrapper_struct)
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling filebuffer v0.1.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling disk_backed v0.1.0 (/opt/rustwide/workdir/disk_backed)
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1a50a1184b59950e17008062849ccdba5c8f9c4994dca8bdd86690165a10141a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a50a1184b59950e17008062849ccdba5c8f9c4994dca8bdd86690165a10141a", kill_on_drop: false }`
[INFO] [stdout] 1a50a1184b59950e17008062849ccdba5c8f9c4994dca8bdd86690165a10141a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c3ae07a5810dd2fab34d7484610800a4c686bfb38571b493d26f4f1a5ad63d7
[INFO] running `Command { std: "docker" "start" "-a" "3c3ae07a5810dd2fab34d7484610800a4c686bfb38571b493d26f4f1a5ad63d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempdir v0.3.5
[INFO] [stderr]    Compiling testutil v0.1.0 (/opt/rustwide/workdir/testutil)
[INFO] [stderr]    Compiling dmv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/dag/tree.rs:29:56
[INFO] [stdout]     |
[INFO] [stdout] 29  |           map!{ $crate::dag::Tree::new(), $( $k=>$v, )* };
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 138 |           let object = tree_object!{
[INFO] [stdout]     |  ______________________-
[INFO] [stdout] 139 | |             "foo" => rng.gen::<ObjectKey>(),
[INFO] [stdout] 140 | |             "bar" => rng.gen::<ObjectKey>(),
[INFO] [stdout] 141 | |             "baz" => rng.gen::<ObjectKey>(),
[INFO] [stdout] 142 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `tree_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> src/dag/tree.rs:29:56
[INFO] [stdout]     |
[INFO] [stdout] 29  |           map!{ $crate::dag::Tree::new(), $( $k=>$v, )* };
[INFO] [stdout]     |                                                          ^
[INFO] [stdout] ...
[INFO] [stdout] 164 |           let tree = tree_object!{
[INFO] [stdout]     |  ____________________-
[INFO] [stdout] 165 | |             "foo" => object_key(0),
[INFO] [stdout] 166 | |             "bar" => object_key(2),
[INFO] [stdout] 167 | |             "baz" => object_key(1),
[INFO] [stdout] 168 | |         };
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `tree_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> src/dag/object_key.rs:251:40
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for &(desc, bad) in bad_inputs.into_iter() {
[INFO] [stdout]     |                                        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 251 |         for &(desc, bad) in bad_inputs.iter() {
[INFO] [stdout]     |                                        ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 251 -         for &(desc, bad) in bad_inputs.into_iter() {
[INFO] [stdout] 251 +         for &(desc, bad) in bad_inputs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/rolling_hash.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 | /                 format!("Expected input to be broken into chunks. Got {} \
[INFO] [stdout] 377 | |                          chunks",
[INFO] [stdout] 378 | |                         chunks.len()));
[INFO] [stdout]     | |_____________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 376 ~                 "Expected input to be broken into chunks. Got {} \
[INFO] [stdout] 377 |                          chunks",
[INFO] [stdout] 378 ~                         chunks.len());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: dmv v0.1.0 (/opt/rustwide/workdir), rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "3c3ae07a5810dd2fab34d7484610800a4c686bfb38571b493d26f4f1a5ad63d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c3ae07a5810dd2fab34d7484610800a4c686bfb38571b493d26f4f1a5ad63d7", kill_on_drop: false }`
[INFO] [stdout] 3c3ae07a5810dd2fab34d7484610800a4c686bfb38571b493d26f4f1a5ad63d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b399c36dde2790c7cf66eec8644297394df1237f9a35ba335b294b35c4b7ccfc
[INFO] running `Command { std: "docker" "start" "-a" "b399c36dde2790c7cf66eec8644297394df1237f9a35ba335b294b35c4b7ccfc", kill_on_drop: false }`
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/dag/tree.rs:29:56
[INFO] [stderr]     |
[INFO] [stderr] 29  |           map!{ $crate::dag::Tree::new(), $( $k=>$v, )* };
[INFO] [stderr]     |                                                          ^
[INFO] [stderr] ...
[INFO] [stderr] 138 |           let object = tree_object!{
[INFO] [stderr]     |  ______________________-
[INFO] [stderr] 139 | |             "foo" => rng.gen::<ObjectKey>(),
[INFO] [stderr] 140 | |             "bar" => rng.gen::<ObjectKey>(),
[INFO] [stderr] 141 | |             "baz" => rng.gen::<ObjectKey>(),
[INFO] [stderr] 142 | |         };
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `tree_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]    --> src/dag/tree.rs:29:56
[INFO] [stderr]     |
[INFO] [stderr] 29  |           map!{ $crate::dag::Tree::new(), $( $k=>$v, )* };
[INFO] [stderr]     |                                                          ^
[INFO] [stderr] ...
[INFO] [stderr] 164 |           let tree = tree_object!{
[INFO] [stderr]     |  ____________________-
[INFO] [stderr] 165 | |             "foo" => object_key(0),
[INFO] [stderr] 166 | |             "bar" => object_key(2),
[INFO] [stderr] 167 | |             "baz" => object_key(1),
[INFO] [stderr] 168 | |         };
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]     = note: this warning originates in the macro `tree_object` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stderr]    --> src/dag/object_key.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 251 |         for &(desc, bad) in bad_inputs.into_iter() {
[INFO] [stderr]     |                                        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this changes meaning in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]     |
[INFO] [stderr] 251 |         for &(desc, bad) in bad_inputs.iter() {
[INFO] [stderr]     |                                        ~~~~
[INFO] [stderr] help: or remove `.into_iter()` to iterate by value
[INFO] [stderr]     |
[INFO] [stderr] 251 -         for &(desc, bad) in bad_inputs.into_iter() {
[INFO] [stderr] 251 +         for &(desc, bad) in bad_inputs {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/rolling_hash.rs:376:17
[INFO] [stderr]     |
[INFO] [stderr] 376 | /                 format!("Expected input to be broken into chunks. Got {} \
[INFO] [stderr] 377 | |                          chunks",
[INFO] [stderr] 378 | |                         chunks.len()));
[INFO] [stderr]     | |_____________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of `assert!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the `assert!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 376 ~                 "Expected input to be broken into chunks. Got {} \
[INFO] [stderr] 377 |                          chunks",
[INFO] [stderr] 378 ~                         chunks.len());
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `dmv` (lib test) generated 4 warnings (run `cargo fix --lib -p dmv --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: dmv v0.1.0 (/opt/rustwide/workdir), rustc-serialize v0.3.22
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dmv-e02b8f9600091be9)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test dag::hash::test::test_hash_write ... ok
[INFO] [stdout] test dag::blob::test::test_write_blob ... ok
[INFO] [stdout] test dag::commit::test::test_write_tree ... ok
[INFO] [stdout] test dag::tree::test::test_tree_sort_by_name ... ok
[INFO] [stdout] test dag::tree::test::test_write_tree ... ok
[INFO] [stdout] test encodable::test::test_path_buf_os_string ... ok
[INFO] [stdout] test maputil::test::test_mux ... ok
[INFO] [stdout] test fsutil::test::test_up_from_iterator ... ok
[INFO] [stdout] test ignore::test::test_default_ignore_hidden_dir ... ok
[INFO] [stdout] test ignore::test::test_ignore ... ok
[INFO] [stdout] test rolling_hash::test::chunk_size_experiment ... ignored
[INFO] [stdout] test cache::test::test_serialize_filecache ... ok
[INFO] [stderr] [0J  Storing:    0 bytes/   3 bytes   0.0% 0.0s
[INFO] [stdout] test dag::object_key::test::test_key_hex_conversions ... ok
[INFO] [stdout] test dag::object_key::test::test_serialize_objectkey ... ok
[INFO] [stdout] test object_store::test::test_update_and_read_ref ... ok
[INFO] [stdout] test object_store::test::test_store_and_retrieve ... ok
[INFO] [stderr] [1F[0J  Storing:    0 bytes/   0 bytes
[INFO] [stdout] test rolling_hash::test::test_rolling_hash_values ... ok
[INFO] [stdout] test variance::tests::test_variance_calc_accuracy ... ok
[INFO] [stdout] test work_dir::test::test_serialize_work_dir_state ... ok
[INFO] [stderr] [1F[0J  Storing:    0 bytes/  57.0 kiB   0.0% 0.0s
[INFO] [stdout] test rolling_hash::test::test_object_iterator_empty ... ok
[INFO] [stdout] test rolling_hash::test::test_object_iterator_one_chunk ... ok
[INFO] [stdout] test rolling_hash::test::test_object_iterator_two_chunks ... ok
[INFO] [stdout] test encodable::test::test_serialize_bad_uft8 - should panic ... ok
[INFO] [stdout] test dag::chunked_blob::test::test_write_chunkedblob ... ok
[INFO] [stdout] test dag::chunked_blob::test::test_chunk_and_reconstruct ... ok
[INFO] [stdout] test rolling_hash::test::test_object_iterator_many_chunks ... ok
[INFO] [stdout] test rolling_hash::test::test_chunk_reader ... ok
[INFO] [stderr] [1Ferror: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/dmv-e02b8f9600091be9` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "b399c36dde2790c7cf66eec8644297394df1237f9a35ba335b294b35c4b7ccfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b399c36dde2790c7cf66eec8644297394df1237f9a35ba335b294b35c4b7ccfc", kill_on_drop: false }`
[INFO] [stdout] b399c36dde2790c7cf66eec8644297394df1237f9a35ba335b294b35c4b7ccfc
