[INFO] fetching crate memmod 2.0.0...
[INFO] testing memmod-2.0.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate memmod 2.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate memmod 2.0.0
[INFO] finished tweaking crates.io crate memmod 2.0.0
[INFO] tweaked toml for crates.io crate memmod 2.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memmod 2.0.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.30.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca15de41f98787f9a491bf55ba84555c0592797a1d3bdade85a78d79faa1dfb
[INFO] running `Command { std: "docker" "start" "-a" "7ca15de41f98787f9a491bf55ba84555c0592797a1d3bdade85a78d79faa1dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca15de41f98787f9a491bf55ba84555c0592797a1d3bdade85a78d79faa1dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca15de41f98787f9a491bf55ba84555c0592797a1d3bdade85a78d79faa1dfb", kill_on_drop: false }`
[INFO] [stdout] 7ca15de41f98787f9a491bf55ba84555c0592797a1d3bdade85a78d79faa1dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ea1039b67443bc71390a9c0621cf8c65bc0665d4ed6406dc5a9260bc818bd97
[INFO] running `Command { std: "docker" "start" "-a" "4ea1039b67443bc71390a9c0621cf8c65bc0665d4ed6406dc5a9260bc818bd97", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling memmod v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:291:19
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here                   ^^^^^^^^^^^^^ 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] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:297:19
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:26
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:309:26
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "4ea1039b67443bc71390a9c0621cf8c65bc0665d4ed6406dc5a9260bc818bd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea1039b67443bc71390a9c0621cf8c65bc0665d4ed6406dc5a9260bc818bd97", kill_on_drop: false }`
[INFO] [stdout] 4ea1039b67443bc71390a9c0621cf8c65bc0665d4ed6406dc5a9260bc818bd97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25e9418f46126766d978fa25d5eae927f1dca71bec264b506f73b44fd83a201
[INFO] running `Command { std: "docker" "start" "-a" "b25e9418f46126766d978fa25d5eae927f1dca71bec264b506f73b44fd83a201", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:291:19
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here                   ^^^^^^^^^^^^^ 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] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:297:19
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:26
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:309:26
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling memmod v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:291:19
[INFO] [stdout]     |
[INFO] [stdout] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here                   ^^^^^^^^^^^^^ 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] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:297:19
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                   ^^^^^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:303:26
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stdout]     |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:309:26
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter> {
[INFO] [stdout]     |                          ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ 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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stdout]     |                                                                               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "b25e9418f46126766d978fa25d5eae927f1dca71bec264b506f73b44fd83a201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25e9418f46126766d978fa25d5eae927f1dca71bec264b506f73b44fd83a201", kill_on_drop: false }`
[INFO] [stdout] b25e9418f46126766d978fa25d5eae927f1dca71bec264b506f73b44fd83a201
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 49fe9b9fe826b2db55ac57d5002892aca3fa1e8511f7d908cded54a51f4f7911
[INFO] running `Command { std: "docker" "start" "-a" "49fe9b9fe826b2db55ac57d5002892aca3fa1e8511f7d908cded54a51f4f7911", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:291:19
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stderr]     |                   ^^^^^^^^^ the lifetime is elided here                   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 291 |     pub fn reader(&mut self, address: usize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stderr]     |                                                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:297:19
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter> {
[INFO] [stderr]     |                   ^^^^^^^^^ the lifetime is elided here    ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 297 |     pub fn writer(&mut self, address: usize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stderr]     |                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:303:26
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader> {
[INFO] [stderr]     |                          ^^^^^^^^^ the lifetime is elided here                  ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 303 |     pub fn reader_offset(&mut self, offset: isize, length: usize) -> io::Result<ProcessReader<'_>> {
[INFO] [stderr]     |                                                                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:309:26
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter> {
[INFO] [stderr]     |                          ^^^^^^^^^ the lifetime is elided here   ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn writer_offset(&mut self, offset: isize) -> io::Result<ProcessWriter<'_>> {
[INFO] [stderr]     |                                                                               ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `memmod` (lib) generated 4 warnings (run `cargo fix --lib -p memmod` to apply 4 suggestions)
[INFO] [stderr] warning: `memmod` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memmod-6621b931e234f0ce)
[INFO] [stderr]    Doc-tests memmod
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "49fe9b9fe826b2db55ac57d5002892aca3fa1e8511f7d908cded54a51f4f7911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fe9b9fe826b2db55ac57d5002892aca3fa1e8511f7d908cded54a51f4f7911", kill_on_drop: false }`
[INFO] [stdout] 49fe9b9fe826b2db55ac57d5002892aca3fa1e8511f7d908cded54a51f4f7911