[INFO] cloning repository https://github.com/SixArm/usv-to-json-rust-crate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SixArm/usv-to-json-rust-crate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixArm%2Fusv-to-json-rust-crate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixArm%2Fusv-to-json-rust-crate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c369fd378f636e16c5d680fb34afc7693927006
[INFO] checking SixArm/usv-to-json-rust-crate against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixArm%2Fusv-to-json-rust-crate" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SixArm/usv-to-json-rust-crate on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SixArm/usv-to-json-rust-crate
[INFO] finished tweaking git repo https://github.com/SixArm/usv-to-json-rust-crate
[INFO] tweaked toml for git repo https://github.com/SixArm/usv-to-json-rust-crate written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SixArm/usv-to-json-rust-crate 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded usv v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ac3465b48627f8ad3532b00000361377f94a572c3de8c50d875d2ac6353964
[INFO] running `Command { std: "docker" "start" "-a" "e2ac3465b48627f8ad3532b00000361377f94a572c3de8c50d875d2ac6353964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ac3465b48627f8ad3532b00000361377f94a572c3de8c50d875d2ac6353964", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ac3465b48627f8ad3532b00000361377f94a572c3de8c50d875d2ac6353964", kill_on_drop: false }`
[INFO] [stdout] e2ac3465b48627f8ad3532b00000361377f94a572c3de8c50d875d2ac6353964
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4849fb10bb007058b644f0985fba9c4528a153b6370e061e2cd2aae548724894
[INFO] running `Command { std: "docker" "start" "-a" "4849fb10bb007058b644f0985fba9c4528a153b6370e061e2cd2aae548724894", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking half v2.4.0
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking usv v0.18.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_filter v0.1.0
[INFO] [stderr]     Checking env_logger v0.11.3
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking usv-to-json v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/main.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/app/args.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_level` is never read
[INFO] [stdout]   --> src/app/args.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub(crate) log_level: Option<::log::Level>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]    --> src/main.rs:123:1
[INFO] [stdout]     |
[INFO] [stdout] 123 | #[macro_use]
[INFO] [stdout]     | ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/app/args.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `log_level` is never read
[INFO] [stdout]   --> src/app/args.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub(crate) log_level: Option<::log::Level>,
[INFO] [stdout]    |                ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.93s
[INFO] running `Command { std: "docker" "inspect" "4849fb10bb007058b644f0985fba9c4528a153b6370e061e2cd2aae548724894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4849fb10bb007058b644f0985fba9c4528a153b6370e061e2cd2aae548724894", kill_on_drop: false }`
[INFO] [stdout] 4849fb10bb007058b644f0985fba9c4528a153b6370e061e2cd2aae548724894