[INFO] fetching crate proptest-derive 0.6.0... [INFO] testing proptest-derive-0.6.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate proptest-derive 0.6.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate proptest-derive 0.6.0 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate proptest-derive 0.6.0 [INFO] tweaked toml for crates.io crate proptest-derive 0.6.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate proptest-derive 0.6.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate proptest-derive 0.6.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4b329d3866853d76d679a0b6bcc6c7655ebb96eca43ddbdc79415423d8a21485 [INFO] running `Command { std: "docker" "start" "-a" "4b329d3866853d76d679a0b6bcc6c7655ebb96eca43ddbdc79415423d8a21485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4b329d3866853d76d679a0b6bcc6c7655ebb96eca43ddbdc79415423d8a21485", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b329d3866853d76d679a0b6bcc6c7655ebb96eca43ddbdc79415423d8a21485", kill_on_drop: false }` [INFO] [stdout] 4b329d3866853d76d679a0b6bcc6c7655ebb96eca43ddbdc79415423d8a21485 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c64172c470d3640b5c41f3306958b05b1c012514b2d46e63077b7a6186e3e541 [INFO] running `Command { std: "docker" "start" "-a" "c64172c470d3640b5c41f3306958b05b1c012514b2d46e63077b7a6186e3e541", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling proptest-derive v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast.rs:828:22 [INFO] [stdout] | [INFO] [stdout] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar { [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] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.16s [INFO] running `Command { std: "docker" "inspect" "c64172c470d3640b5c41f3306958b05b1c012514b2d46e63077b7a6186e3e541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c64172c470d3640b5c41f3306958b05b1c012514b2d46e63077b7a6186e3e541", kill_on_drop: false }` [INFO] [stdout] c64172c470d3640b5c41f3306958b05b1c012514b2d46e63077b7a6186e3e541 [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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6803f660ab34568d707682843c5cadbe4ed70c462f53e5b319ef502a50c06bc6 [INFO] running `Command { std: "docker" "start" "-a" "6803f660ab34568d707682843c5cadbe4ed70c462f53e5b319ef502a50c06bc6", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling rustix v0.38.28 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling serde v1.0.216 [INFO] [stderr] Compiling linux-raw-sys v0.4.12 [INFO] [stderr] Compiling serde_json v1.0.133 [INFO] [stderr] Compiling itoa v1.0.10 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling ryu v1.0.16 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling proc-macro2 v1.0.92 [INFO] [stderr] Compiling num-traits v0.2.17 [INFO] [stderr] Compiling fastrand v2.0.1 [INFO] [stderr] Compiling either v1.9.0 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling plotters-backend v0.3.5 [INFO] [stderr] Compiling anstyle v1.0.4 [INFO] [stderr] Compiling clap_lex v0.6.0 [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling tracing-core v0.1.33 [INFO] [stderr] Compiling ciborium-io v0.2.1 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling ciborium-ll v0.2.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling plotters-svg v0.3.5 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling compiletest_rs v0.11.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling rayon v1.8.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling tracing v0.1.41 [INFO] [stderr] Compiling clap_builder v4.4.12 [INFO] [stderr] Compiling rand v0.9.1 [INFO] [stderr] Compiling rand_xorshift v0.4.0 [INFO] [stderr] Compiling syn v2.0.101 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling tester v0.9.1 [INFO] [stderr] Compiling filetime v0.2.23 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling diff v0.1.13 [INFO] [stderr] Compiling clap v4.4.13 [INFO] [stderr] Compiling plotters v0.3.5 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling tempfile v3.9.0 [INFO] [stderr] Compiling is-terminal v0.4.10 [INFO] [stderr] Compiling rusty-fork v0.3.0 [INFO] [stderr] Compiling proptest v1.7.0 [INFO] [stderr] Compiling regex v1.10.2 [INFO] [stderr] Compiling serde_derive v1.0.216 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling proptest-derive v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast.rs:828:22 [INFO] [stdout] | [INFO] [stdout] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar { [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] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling ciborium v0.2.1 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling rustfix v0.8.7 [INFO] [stderr] Compiling criterion v0.5.1 [INFO] [stdout] warning: fields `v` and `t` are never read [INFO] [stdout] --> tests/use_tracker.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Foo { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 20 | v: V, [INFO] [stdout] | ^ [INFO] [stdout] 21 | t: T, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/misc.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | F0(usize, u8), [INFO] [stdout] | -- ^^^^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Foo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 29 - F0(usize, u8), [INFO] [stdout] 29 + F0((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:37:7 [INFO] [stdout] | [INFO] [stdout] 37 | C(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `A` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 37 - C(usize), [INFO] [stdout] 37 + C(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:43:7 [INFO] [stdout] | [INFO] [stdout] 43 | B(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Bobby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 43 - B(usize), [INFO] [stdout] 43 + B(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:45:7 [INFO] [stdout] | [INFO] [stdout] 45 | C(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Bobby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 45 - C(usize), [INFO] [stdout] 45 + C(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:47:7 [INFO] [stdout] | [INFO] [stdout] 47 | D(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Bobby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 47 - D(usize), [INFO] [stdout] 47 + D(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | E(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Bobby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 49 - E(usize), [INFO] [stdout] 49 + E(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:51:7 [INFO] [stdout] | [INFO] [stdout] 51 | F(usize), [INFO] [stdout] | - ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Bobby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 51 - F(usize), [INFO] [stdout] 51 + F(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:56:30 [INFO] [stdout] | [INFO] [stdout] 56 | B(#[proptest(no_params)] usize), [INFO] [stdout] | - field in this variant ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Quux` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 56 - B(#[proptest(no_params)] usize), [INFO] [stdout] 56 + B(#[proptest(no_params)] ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/misc.rs:57:7 [INFO] [stdout] | [INFO] [stdout] 57 | C(usize, String), [INFO] [stdout] | - ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Quux` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 57 - C(usize, String), [INFO] [stdout] 57 + C((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> tests/misc.rs:59:7 [INFO] [stdout] | [INFO] [stdout] 59 | D(usize, String), [INFO] [stdout] | - ^^^^^ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Quux` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 59 - D(usize, String), [INFO] [stdout] 59 + D((), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> tests/misc.rs:61:7 [INFO] [stdout] | [INFO] [stdout] 61 | E(u32), [INFO] [stdout] | - ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Quux` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 61 - E(u32), [INFO] [stdout] 61 + E(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> tests/skip.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest-derive` (test "skip") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> tests/enum.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `proptest-derive` (test "enum") due to 1 previous error [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ast.rs:828:22 [INFO] [stdout] | [INFO] [stdout] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar { [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] 828 | fn fresh_var(prefix: &str, count: usize) -> FreshVar<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6803f660ab34568d707682843c5cadbe4ed70c462f53e5b319ef502a50c06bc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6803f660ab34568d707682843c5cadbe4ed70c462f53e5b319ef502a50c06bc6", kill_on_drop: false }` [INFO] [stdout] 6803f660ab34568d707682843c5cadbe4ed70c462f53e5b319ef502a50c06bc6