[INFO] cloning repository https://github.com/emk/snappy_framed-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emk/snappy_framed-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsnappy_framed-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsnappy_framed-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be6a886b52ecb23aff7d3b048f1445cba26ce9c2
[INFO] checking emk/snappy_framed-rs against try#81ab7f2139295590561adbe6d5b0aaa2feff765f for pr-146470-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femk%2Fsnappy_framed-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/emk/snappy_framed-rs
[INFO] finished tweaking git repo https://github.com/emk/snappy_framed-rs
[INFO] tweaked toml for git repo https://github.com/emk/snappy_framed-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/emk/snappy_framed-rs on toolchain 81ab7f2139295590561adbe6d5b0aaa2feff765f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/emk/snappy_framed-rs 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" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.3.1
[INFO] [stderr]   Downloaded lazy_static v0.1.10
[INFO] [stderr]   Downloaded libc v0.1.8
[INFO] [stderr]   Downloaded rand v0.3.8
[INFO] [stderr]   Downloaded crc v0.3.1
[INFO] [stderr]   Downloaded dribble v0.1.0
[INFO] [stderr]   Downloaded snappy v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b537f32f0cedc763ca9235c4f6f429f3443730ca41345bf1318e2ca0b043cfbb
[INFO] running `Command { std: "docker" "start" "-a" "b537f32f0cedc763ca9235c4f6f429f3443730ca41345bf1318e2ca0b043cfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b537f32f0cedc763ca9235c4f6f429f3443730ca41345bf1318e2ca0b043cfbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b537f32f0cedc763ca9235c4f6f429f3443730ca41345bf1318e2ca0b043cfbb", kill_on_drop: false }`
[INFO] [stdout] b537f32f0cedc763ca9235c4f6f429f3443730ca41345bf1318e2ca0b043cfbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+81ab7f2139295590561adbe6d5b0aaa2feff765f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 493f9aa003294011e46504fe491a4cfc56d52af10a45a92af19d8e51015f6d2a
[INFO] running `Command { std: "docker" "start" "-a" "493f9aa003294011e46504fe491a4cfc56d52af10a45a92af19d8e51015f6d2a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking lazy_static v0.1.10
[INFO] [stderr]     Checking crc v0.3.1
[INFO] [stderr]     Checking rand v0.3.8
[INFO] [stderr]     Checking log v0.3.1
[INFO] [stderr]     Checking snappy v0.2.0
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:83:50
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn construct_range(low: Self, high: Self) -> Range<Self>;
[INFO] [stdout]    |                                                  ^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `distributions::range::Range`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ required by the implicit `Sized` requirement on this type parameter in `Range`
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `X` if it were used through indirection like `&X` or `Box<X>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ this could be changed to `X: ?Sized`...
[INFO] [stdout] 51 |     low: X,
[INFO] [stdout]    |          - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 52 |     range: X,
[INFO] [stdout]    |            - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 53 |     accept_zone: X
[INFO] [stdout]    |                  - ...if indirection were used here: `Box<X>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 83 |     fn construct_range(low: Self, high: Self) -> Range<Self> where Self: Sized;
[INFO] [stdout]    |                                                              +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `Self` cannot be known at compilation time
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:87:33
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn sample_range<R: Rng>(r: &Range<Self>, rng: &mut R) -> Self;
[INFO] [stdout]    |                                 ^^^^^^^^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout] note: required by an implicit `Sized` bound in `distributions::range::Range`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ required by the implicit `Sized` requirement on this type parameter in `Range`
[INFO] [stdout] help: you could relax the implicit `Sized` bound on `X` if it were used through indirection like `&X` or `Box<X>`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.3.8/src/distributions/range.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct Range<X> {
[INFO] [stdout]    |                  ^ this could be changed to `X: ?Sized`...
[INFO] [stdout] 51 |     low: X,
[INFO] [stdout]    |          - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 52 |     range: X,
[INFO] [stdout]    |            - ...if indirection were used here: `Box<X>`
[INFO] [stdout] 53 |     accept_zone: X
[INFO] [stdout]    |                  - ...if indirection were used here: `Box<X>`
[INFO] [stdout] help: consider further restricting `Self`
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn sample_range<R: Rng>(r: &Range<Self>, rng: &mut R) -> Self where Self: Sized;
[INFO] [stdout]    |                                                                   +++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking snappy_framed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_level`
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 warn!("Snappy chunk of {} bytes required growing buffer", bytes);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `log` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `log` may come from an old version of the `log` crate, try updating your dependency with `cargo update -p log`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `log` which comes from the expansion of the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_level`
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 warn!("Snappy chunk of {} bytes required growing buffer", bytes);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `log` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `log` may come from an old version of the `log` crate, try updating your dependency with `cargo update -p log`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `log` which comes from the expansion of the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_level`
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 warn!("Snappy chunk of {} bytes required growing buffer", bytes);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `log` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `log` may come from an old version of the `log` crate, try updating your dependency with `cargo update -p log`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `log` which comes from the expansion of the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_level`
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 warn!("Snappy chunk of {} bytes required growing buffer", bytes);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `log` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `log` may come from an old version of the `log` crate, try updating your dependency with `cargo update -p log`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `log` which comes from the expansion of the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `log_level`
[INFO] [stdout]   --> src/read.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 warn!("Snappy chunk of {} bytes required growing buffer", bytes);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `log` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = help: the macro `log` may come from an old version of the `log` crate, try updating your dependency with `cargo update -p log`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: this warning originates in the macro `log` which comes from the expansion of the macro `warn` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/read.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |                     try!(source.read(space))
[INFO] [stdout]    |                     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:107:19
[INFO] [stdout]     |
[INFO] [stdout] 107 |             match try!(self.ensure_buffered(HEADER_SIZE, source)) {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:117:20
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let data = try!(self.ensure_buffered(chunk_len, source))
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:165:23
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 match try!(self.input.next_chunk(&mut self.source)) {
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:174:43
[INFO] [stdout]     |
[INFO] [stdout] 174 | ...                   let crc = try!(chunk.crc());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:179:37
[INFO] [stdout]     |
[INFO] [stdout] 179 | ...                   try!(check_crc(crc, &data));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:189:43
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   let crc = try!(chunk.crc());
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/read.rs:192:37
[INFO] [stdout]     |
[INFO] [stdout] 192 | ...                   try!(check_crc(crc, &data));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/read.rs:199:33
[INFO] [stdout]     |
[INFO] [stdout] 199 | ...                   0x02...0x7F => {}
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/read.rs:201:33
[INFO] [stdout]     |
[INFO] [stdout] 201 | ...                   0x80...0xFD => {}
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         try!(encoder.write_header());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         try!(self.dest.write_all(&STREAM_IDENTIFIER));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |             try!(self.dest.write_all(&header_and_crc));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/write.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             try!(self.dest.write_all(&compressed));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/read.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 206 | ...                   _ => unreachable!()
[INFO] [stdout]     |                       ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/read.rs:206:29
[INFO] [stdout]     |
[INFO] [stdout] 171 | ...                   0x00 => {
[INFO] [stdout]     |                       ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 186 | ...                   0x01 => {
[INFO] [stdout]     |                       ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 199 | ...                   0x02...0x7F => {}
[INFO] [stdout]     |                       ----------- matches some of the same values
[INFO] [stdout] 200 | ...                   // Reserved skippable chunks.
[INFO] [stdout] 201 | ...                   0x80...0xFD => {}
[INFO] [stdout]     |                       ----------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 206 | ...                   _ => unreachable!()
[INFO] [stdout]     |                       ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/read.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn next_chunk<R: Read>(&mut self, source: &mut R) ->
[INFO] [stdout]     |                            ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] 104 |         io::Result<Option<Chunk>>
[INFO] [stdout]     |                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 104 |         io::Result<Option<Chunk<'_>>>
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rand` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "493f9aa003294011e46504fe491a4cfc56d52af10a45a92af19d8e51015f6d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "493f9aa003294011e46504fe491a4cfc56d52af10a45a92af19d8e51015f6d2a", kill_on_drop: false }`
[INFO] [stdout] 493f9aa003294011e46504fe491a4cfc56d52af10a45a92af19d8e51015f6d2a
