[INFO] cloning repository https://github.com/BalzGuenat/rustcache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BalzGuenat/rustcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBalzGuenat%2Frustcache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBalzGuenat%2Frustcache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d0cc93047afe3dfad303109dbfe5bfed52e391b
[INFO] checking BalzGuenat/rustcache against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBalzGuenat%2Frustcache" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BalzGuenat/rustcache on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BalzGuenat/rustcache
[INFO] finished tweaking git repo https://github.com/BalzGuenat/rustcache
[INFO] tweaked toml for git repo https://github.com/BalzGuenat/rustcache written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/BalzGuenat/rustcache already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9f32124ee3d5d2725853e95a0c9b05ab35ef06e2a8990b37c8fb7b44ce677eb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e9f32124ee3d5d2725853e95a0c9b05ab35ef06e2a8990b37c8fb7b44ce677eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9f32124ee3d5d2725853e95a0c9b05ab35ef06e2a8990b37c8fb7b44ce677eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9f32124ee3d5d2725853e95a0c9b05ab35ef06e2a8990b37c8fb7b44ce677eb", kill_on_drop: false }`
[INFO] [stdout] e9f32124ee3d5d2725853e95a0c9b05ab35ef06e2a8990b37c8fb7b44ce677eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8830dbf982ae44db7a71e056506f5d68885f9156bcc570af399e9419e1d4ebf
[INFO] running `Command { std: "docker" "start" "-a" "f8830dbf982ae44db7a71e056506f5d68885f9156bcc570af399e9419e1d4ebf", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking rustcache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `while`, `for`, `loop` or `{` after a label
[INFO] [stdout]   --> src/msg/mod.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |         &ContiguousViewIt<'a> {
[INFO] [stdout]    |                             ^ expected `while`, `for`, `loop` or `{` after a label
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `>`
[INFO] [stdout]   --> src/msg/mod.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |         &ContiguousViewIt<'a> {
[INFO] [stdout]    |                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `while`, `for`, `loop` or `{` after a label
[INFO] [stdout]   --> src/msg/mod.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |         &ContiguousViewIt<'a> {
[INFO] [stdout]    |                             ^ expected `while`, `for`, `loop` or `{` after a label
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected expression, found `>`
[INFO] [stdout]   --> src/msg/mod.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |         &ContiguousViewIt<'a> {
[INFO] [stdout]    |                             ^ expected expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0560]: struct `msg::ContiguousViewOwningIt<'_>` has no field named `end_idx`
[INFO] [stdout]   --> src/msg/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             end_idx: self.len(),
[INFO] [stdout]    |             ^^^^^^^ `msg::ContiguousViewOwningIt<'_>` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `view`, `next_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `end_idx` on type `&mut msg::ContiguousViewOwningIt<'a>`
[INFO] [stdout]    --> src/msg/mod.rs:122:45
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let next = if self.next_idx >= self.end_idx {
[INFO] [stdout]     |                                             ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `view`, `next_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0560, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0560`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcache`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0560]: struct `msg::ContiguousViewOwningIt<'_>` has no field named `end_idx`
[INFO] [stdout]   --> src/msg/mod.rs:86:13
[INFO] [stdout]    |
[INFO] [stdout] 86 |             end_idx: self.len(),
[INFO] [stdout]    |             ^^^^^^^ `msg::ContiguousViewOwningIt<'_>` does not have this field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `view`, `next_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `end_idx` on type `&mut msg::ContiguousViewOwningIt<'a>`
[INFO] [stdout]    --> src/msg/mod.rs:122:45
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let next = if self.next_idx >= self.end_idx {
[INFO] [stdout]     |                                             ^^^^^^^ unknown field
[INFO] [stdout]     |
[INFO] [stdout]     = note: available fields are: `view`, `next_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     assert_eq!("abc".as_bytes(), &v[0..3]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     assert_eq!("abc".as_bytes(), &v[0..3]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     assert_eq!("xyz".as_bytes(), &v[3..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     assert_eq!("xyz".as_bytes(), &v[3..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     assert_eq!("ab".as_bytes(), &v[0..2]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:76:5
[INFO] [stdout]    |
[INFO] [stdout] 76 |     assert_eq!("ab".as_bytes(), &v[0..2]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     assert_eq!("yz".as_bytes(), &v[4..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     assert_eq!("yz".as_bytes(), &v[4..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     assert_eq!("cx".as_bytes(), &v[2..4]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     assert_eq!("cx".as_bytes(), &v[2..4]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |     println!("{:X?}", &v[2..4]);
[INFO] [stdout]    |                       ^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `[u8]` with `msg::ContiguousViewIt<'_>`
[INFO] [stdout]   --> src/msg/test.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!("abcxyz".as_bytes(), &v[0..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `[u8] == msg::ContiguousViewIt<'_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::cmp::PartialEq<msg::ContiguousViewIt<'_>>` is not implemented for `[u8]`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::cmp::PartialEq<&msg::ContiguousViewIt<'_>>` for `&[u8]`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `msg::ContiguousViewIt<'_>` doesn't implement `std::fmt::Debug`
[INFO] [stdout]   --> src/msg/test.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     assert_eq!("abcxyz".as_bytes(), &v[0..6]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `msg::ContiguousViewIt<'_>` cannot be formatted using `{:?}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::fmt::Debug` is not implemented for `msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: add `#[derive(Debug)]` or manually implement `std::fmt::Debug`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required because of the requirements on the impl of `std::fmt::Debug` for `&&msg::ContiguousViewIt<'_>`
[INFO] [stdout]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 17 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0560, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f8830dbf982ae44db7a71e056506f5d68885f9156bcc570af399e9419e1d4ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8830dbf982ae44db7a71e056506f5d68885f9156bcc570af399e9419e1d4ebf", kill_on_drop: false }`
[INFO] [stdout] f8830dbf982ae44db7a71e056506f5d68885f9156bcc570af399e9419e1d4ebf
