[INFO] fetching crate filecheck 0.5.0...
[INFO] testing filecheck-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate filecheck 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate filecheck 0.5.0
[INFO] finished tweaking crates.io crate filecheck 0.5.0
[INFO] tweaked toml for crates.io crate filecheck 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filecheck 0.5.0 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 11 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a0fdfe27acf425ca19ac5b13dcc682db266c6c89be59127ab10e1095858cad9f
[INFO] running `Command { std: "docker" "start" "-a" "a0fdfe27acf425ca19ac5b13dcc682db266c6c89be59127ab10e1095858cad9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0fdfe27acf425ca19ac5b13dcc682db266c6c89be59127ab10e1095858cad9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0fdfe27acf425ca19ac5b13dcc682db266c6c89be59127ab10e1095858cad9f", kill_on_drop: false }`
[INFO] [stdout] a0fdfe27acf425ca19ac5b13dcc682db266c6c89be59127ab10e1095858cad9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a09f2ceb6801ea5bdafe5094bb5e46106987aab6729e5eacf266d6c4ad93fd88
[INFO] running `Command { std: "docker" "start" "-a" "a09f2ceb6801ea5bdafe5094bb5e46106987aab6729e5eacf266d6c4ad93fd88", kill_on_drop: false }`
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling filecheck v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/checker.rs:382:15
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn lookup(&self, varname: &str) -> Option<Value> {
[INFO] [stdout]     |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided 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] 382 |     fn lookup(&self, varname: &str) -> Option<Value<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/explain.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer {
[INFO] [stdout]    |                       --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer<'a> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn lookup(&self, varname: &str) -> Option<Value>;
[INFO] [stdout]    |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 31 |     fn lookup(&self, varname: &str) -> Option<Value<'_>>;
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn lookup(&self, _: &str) -> Option<Value> {
[INFO] [stdout]    |               ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 35 |     fn lookup(&self, _: &str) -> Option<Value<'_>> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.97s
[INFO] running `Command { std: "docker" "inspect" "a09f2ceb6801ea5bdafe5094bb5e46106987aab6729e5eacf266d6c4ad93fd88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09f2ceb6801ea5bdafe5094bb5e46106987aab6729e5eacf266d6c4ad93fd88", kill_on_drop: false }`
[INFO] [stdout] a09f2ceb6801ea5bdafe5094bb5e46106987aab6729e5eacf266d6c4ad93fd88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 90329bf432efe5f492195ee00d7e03031cd91322206d145bee3a98ca09f78cd1
[INFO] running `Command { std: "docker" "start" "-a" "90329bf432efe5f492195ee00d7e03031cd91322206d145bee3a98ca09f78cd1", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/checker.rs:382:15
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn lookup(&self, varname: &str) -> Option<Value> {
[INFO] [stdout]     |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided 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] 382 |     fn lookup(&self, varname: &str) -> Option<Value<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling filecheck v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/explain.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer {
[INFO] [stdout]    |                       --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer<'a> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn lookup(&self, varname: &str) -> Option<Value>;
[INFO] [stdout]    |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 31 |     fn lookup(&self, varname: &str) -> Option<Value<'_>>;
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn lookup(&self, _: &str) -> Option<Value> {
[INFO] [stdout]    |               ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 35 |     fn lookup(&self, _: &str) -> Option<Value<'_>> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/checker.rs:382:15
[INFO] [stdout]     |
[INFO] [stdout] 382 |     fn lookup(&self, varname: &str) -> Option<Value> {
[INFO] [stdout]     |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |               |
[INFO] [stdout]     |               the lifetime is elided 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] 382 |     fn lookup(&self, varname: &str) -> Option<Value<'_>> {
[INFO] [stdout]     |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/explain.rs:61:34
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer {
[INFO] [stdout]    |                       --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn new(text: &'a str) -> Explainer<'a> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn lookup(&self, varname: &str) -> Option<Value>;
[INFO] [stdout]    |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 31 |     fn lookup(&self, varname: &str) -> Option<Value<'_>>;
[INFO] [stdout]    |                                                    ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/variable.rs:35:15
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn lookup(&self, _: &str) -> Option<Value> {
[INFO] [stdout]    |               ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |               |
[INFO] [stdout]    |               the lifetime is elided 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] 35 |     fn lookup(&self, _: &str) -> Option<Value<'_>> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "90329bf432efe5f492195ee00d7e03031cd91322206d145bee3a98ca09f78cd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90329bf432efe5f492195ee00d7e03031cd91322206d145bee3a98ca09f78cd1", kill_on_drop: false }`
[INFO] [stdout] 90329bf432efe5f492195ee00d7e03031cd91322206d145bee3a98ca09f78cd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 44d1362f67eaab41f4deb6479b19731fa96707d6aa542e12cd132af25c642994
[INFO] running `Command { std: "docker" "start" "-a" "44d1362f67eaab41f4deb6479b19731fa96707d6aa542e12cd132af25c642994", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/checker.rs:382:15
[INFO] [stderr]     |
[INFO] [stderr] 382 |     fn lookup(&self, varname: &str) -> Option<Value> {
[INFO] [stderr]     |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |               |
[INFO] [stderr]     |               the lifetime is elided 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] 382 |     fn lookup(&self, varname: &str) -> Option<Value<'_>> {
[INFO] [stderr]     |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/explain.rs:61:34
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn new(text: &'a str) -> Explainer {
[INFO] [stderr]    |                       --         ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn new(text: &'a str) -> Explainer<'a> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/variable.rs:31:15
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn lookup(&self, varname: &str) -> Option<Value>;
[INFO] [stderr]    |               ^^^^^                           ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |               |
[INFO] [stderr]    |               the lifetime is elided 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] 31 |     fn lookup(&self, varname: &str) -> Option<Value<'_>>;
[INFO] [stderr]    |                                                    ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/variable.rs:35:15
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn lookup(&self, _: &str) -> Option<Value> {
[INFO] [stderr]    |               ^^^^^                     ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |               |
[INFO] [stderr]    |               the lifetime is elided 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] 35 |     fn lookup(&self, _: &str) -> Option<Value<'_>> {
[INFO] [stderr]    |                                              ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `filecheck` (lib) generated 4 warnings (run `cargo fix --lib -p filecheck` to apply 4 suggestions)
[INFO] [stderr] warning: `filecheck` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filecheck-091cef8770640989)
[INFO] [stdout] test pattern::tests::part ... ok
[INFO] [stdout] test pattern::tests::partdefs ... ok
[INFO] [stdout] test pattern::tests::regex ... ok
[INFO] [stdout] test pattern::tests::pattern ... ok
[INFO] [stdout] test variable::tests::varname ... ok
[INFO] [stdout] test checker::tests::directive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-28dfc9b3bbb2f92a)
[INFO] [stdout] test empty ... ok
[INFO] [stdout] test no_directives ... ok
[INFO] [stdout] test leading_nextln ... ok
[INFO] [stdout] test syntax_error ... ok
[INFO] [stdout] test sameln ... ok
[INFO] [stdout] test no_matches ... ok
[INFO] [stdout] test not ... ok
[INFO] [stdout] test nextln ... ok
[INFO] [stdout] test leading_sameln ... ok
[INFO] [stdout] test leading_unordered ... ok
[INFO] [stdout] test trailing_unordered ... ok
[INFO] [stdout] test notnot ... ok
[INFO] [stdout] test simple ... ok
[INFO] [stderr]    Doc-tests filecheck
[INFO] [stdout] test unordered ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "44d1362f67eaab41f4deb6479b19731fa96707d6aa542e12cd132af25c642994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d1362f67eaab41f4deb6479b19731fa96707d6aa542e12cd132af25c642994", kill_on_drop: false }`
[INFO] [stdout] 44d1362f67eaab41f4deb6479b19731fa96707d6aa542e12cd132af25c642994
