[INFO] cloning repository https://github.com/domenicomastrangelo/json-schema-faker-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/domenicomastrangelo/json-schema-faker-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicomastrangelo%2Fjson-schema-faker-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicomastrangelo%2Fjson-schema-faker-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47dd2b9fb99486d549694d8f74b24d67b87985d4
[INFO] checking domenicomastrangelo/json-schema-faker-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdomenicomastrangelo%2Fjson-schema-faker-rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/domenicomastrangelo/json-schema-faker-rs 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/domenicomastrangelo/json-schema-faker-rs
[INFO] finished tweaking git repo https://github.com/domenicomastrangelo/json-schema-faker-rs
[INFO] tweaked toml for git repo https://github.com/domenicomastrangelo/json-schema-faker-rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/domenicomastrangelo/json-schema-faker-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.9.30
[INFO] [stderr]   Downloaded uuid v1.7.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.10
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[INFO] [stderr]   Downloaded findshlibs v0.10.2
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[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded symbolic-demangle v12.8.0
[INFO] [stderr]   Downloaded rgb v0.8.37
[INFO] [stderr]   Downloaded inferno v0.11.19
[INFO] [stderr]   Downloaded cpp_demangle v0.4.3
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[INFO] [stderr]   Downloaded debugid v0.8.0
[INFO] [stderr]   Downloaded symbolic-common v12.8.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77964f6ba42f214d79f0142adc0e0a40e83ef609f4927d1cd595fb0781b94656
[INFO] running `Command { std: "docker" "start" "-a" "77964f6ba42f214d79f0142adc0e0a40e83ef609f4927d1cd595fb0781b94656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77964f6ba42f214d79f0142adc0e0a40e83ef609f4927d1cd595fb0781b94656", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77964f6ba42f214d79f0142adc0e0a40e83ef609f4927d1cd595fb0781b94656", kill_on_drop: false }`
[INFO] [stdout] 77964f6ba42f214d79f0142adc0e0a40e83ef609f4927d1cd595fb0781b94656
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cea55e0fc5cc01fb54037129c80fa6cf94924cf281ab238b3a8909f43d033808
[INFO] running `Command { std: "docker" "start" "-a" "cea55e0fc5cc01fb54037129c80fa6cf94924cf281ab238b3a8909f43d033808", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling cpp_demangle v0.4.3
[INFO] [stderr]     Checking uuid v1.7.0
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling symbolic-demangle v12.8.0
[INFO] [stderr]     Checking rgb v0.8.37
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking symbolic-common v12.8.0
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking str_stack v0.1.0
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[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking inferno v0.11.19
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking iana-time-zone v0.1.59
[INFO] [stderr]     Checking unsafe-libyaml v0.2.10
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking chrono v0.4.33
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking serde_yaml v0.9.30
[INFO] [stderr]     Checking json-schema-faker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/generators/boolean.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/generators/boolean.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/array.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/boolean.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/string_street.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/array.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/boolean.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]  --> src/generators/string_street.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn generate(rng: &mut impl rand::Rng) -> serde_json::Value {
[INFO] [stdout]   |                 ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.97s
[INFO] running `Command { std: "docker" "inspect" "cea55e0fc5cc01fb54037129c80fa6cf94924cf281ab238b3a8909f43d033808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea55e0fc5cc01fb54037129c80fa6cf94924cf281ab238b3a8909f43d033808", kill_on_drop: false }`
[INFO] [stdout] cea55e0fc5cc01fb54037129c80fa6cf94924cf281ab238b3a8909f43d033808