[INFO] fetching crate jetro 0.2.4...
[INFO] checking jetro-0.2.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate jetro 0.2.4 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate jetro 0.2.4 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 crates.io crate jetro 0.2.4
[INFO] finished tweaking crates.io crate jetro 0.2.4
[INFO] tweaked toml for crates.io crate jetro 0.2.4 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages
[INFO] [stderr]       Adding erased-serde v0.3.31 (latest: v0.4.4)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded dynfmt v0.1.5
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ab688d68cc60edba34da6298d107e4c37c7ce16d67becc15e4ad019d67958ef
[INFO] running `Command { std: "docker" "start" "-a" "8ab688d68cc60edba34da6298d107e4c37c7ce16d67becc15e4ad019d67958ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ab688d68cc60edba34da6298d107e4c37c7ce16d67becc15e4ad019d67958ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ab688d68cc60edba34da6298d107e4c37c7ce16d67becc15e4ad019d67958ef", kill_on_drop: false }`
[INFO] [stdout] 8ab688d68cc60edba34da6298d107e4c37c7ce16d67becc15e4ad019d67958ef
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f5a1d5451e960755e8dced97e210cd0e9a0145288c0f6552ec38153e99fa79a
[INFO] running `Command { std: "docker" "start" "-a" "3f5a1d5451e960755e8dced97e210cd0e9a0145288c0f6552ec38153e99fa79a", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking pest v2.7.9
[INFO] [stderr]     Checking dynfmt v0.1.5
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking jetro v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]     --> src/context.rs:1191:9
[INFO] [stdout]      |
[INFO] [stdout] 1191 |     use serde_json::Value;
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 1192 |
[INFO] [stdout] 1193 |     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:1194:9
[INFO] [stdout]      |
[INFO] [stdout] 1194 |     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: 1 warning 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 9.73s
[INFO] running `Command { std: "docker" "inspect" "3f5a1d5451e960755e8dced97e210cd0e9a0145288c0f6552ec38153e99fa79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5a1d5451e960755e8dced97e210cd0e9a0145288c0f6552ec38153e99fa79a", kill_on_drop: false }`
[INFO] [stdout] 3f5a1d5451e960755e8dced97e210cd0e9a0145288c0f6552ec38153e99fa79a