[INFO] cloning repository https://github.com/mitghi/jetro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mitghi/jetro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitghi%2Fjetro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitghi%2Fjetro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d6fc59df9ca02b68807cf60c850edeb6edb923c7
[INFO] checking mitghi/jetro against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmitghi%2Fjetro" "/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/mitghi/jetro 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/mitghi/jetro
[INFO] finished tweaking git repo https://github.com/mitghi/jetro
[INFO] tweaked toml for git repo https://github.com/mitghi/jetro written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mitghi/jetro 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 dynfmt v0.1.5
[INFO] [stderr]   Downloaded erased-serde v0.3.27
[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] ba9f432ea327c54ec71ba992fa965e74c54b8446a20464b892d32052d49cb2c8
[INFO] running `Command { std: "docker" "start" "-a" "ba9f432ea327c54ec71ba992fa965e74c54b8446a20464b892d32052d49cb2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba9f432ea327c54ec71ba992fa965e74c54b8446a20464b892d32052d49cb2c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba9f432ea327c54ec71ba992fa965e74c54b8446a20464b892d32052d49cb2c8", kill_on_drop: false }`
[INFO] [stdout] ba9f432ea327c54ec71ba992fa965e74c54b8446a20464b892d32052d49cb2c8
[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] e01cc458542e52d5233ab4613214e4f95fb09fd2addac2f2beb2adffce8ee2ba
[INFO] running `Command { std: "docker" "start" "-a" "e01cc458542e52d5233ab4613214e4f95fb09fd2addac2f2beb2adffce8ee2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling unicode-ident v1.0.10
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling erased-serde v0.3.27
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]    Compiling syn v2.0.25
[INFO] [stderr]     Checking regex-automata v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking regex v1.9.1
[INFO] [stderr]    Compiling pest v2.7.0
[INFO] [stderr]    Compiling pest_meta v2.7.0
[INFO] [stderr]    Compiling pest_generator v2.7.0
[INFO] [stderr]    Compiling pest_derive v2.7.0
[INFO] [stderr]     Checking dynfmt v0.1.5
[INFO] [stderr]     Checking jetro v0.2.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `rc::Rc`
[INFO] [stdout]  --> src/parser.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{rc::Rc, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]     --> src/context.rs:1198:9
[INFO] [stdout]      |
[INFO] [stdout] 1198 |     use serde_json::Value;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1199 |
[INFO] [stdout] 1200 |     use super::*;
[INFO] [stdout]      |         -------- the item `Value` is already imported here
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `serde_json` is imported redundantly
[INFO] [stdout]     --> src/context.rs:1201:9
[INFO] [stdout]      |
[INFO] [stdout] 1201 |     use serde_json;
[INFO] [stdout]      |         ^^^^^^^^^^ the item `serde_json` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FuncArg` is imported redundantly
[INFO] [stdout]    --> src/func.rs:521:9
[INFO] [stdout]     |
[INFO] [stdout] 521 |     use crate::context::FuncArg;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 522 |
[INFO] [stdout] 523 |     use super::*;
[INFO] [stdout]     |         -------- the item `FuncArg` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `format` is never used
[INFO] [stdout]  --> src/fmt.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) trait KeyFormater {
[INFO] [stdout]   |                  ----------- method in this trait
[INFO] [stdout] 8 |     fn format(&self, format: &str, value: &Value, keys: &Vec<String>) -> Option<String>;
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.35s
[INFO] running `Command { std: "docker" "inspect" "e01cc458542e52d5233ab4613214e4f95fb09fd2addac2f2beb2adffce8ee2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e01cc458542e52d5233ab4613214e4f95fb09fd2addac2f2beb2adffce8ee2ba", kill_on_drop: false }`
[INFO] [stdout] e01cc458542e52d5233ab4613214e4f95fb09fd2addac2f2beb2adffce8ee2ba