[INFO] fetching crate jsona-openapi 0.3.0...
[INFO] checking jsona-openapi-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jsona-openapi 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate jsona-openapi 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsona-openapi 0.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jsona-openapi 0.3.0
[INFO] tweaked toml for crates.io crate jsona-openapi 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate jsona-openapi 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded jsona-schema v0.3.0
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.34
[INFO] [stderr]   Downloaded once_cell v1.14.0
[INFO] [stderr]   Downloaded rowan v0.15.8
[INFO] [stderr]   Downloaded similar v2.2.0
[INFO] [stderr]   Downloaded jsona v0.6.0
[INFO] [stderr]   Downloaded thiserror v1.0.34
[INFO] [stderr]   Downloaded insta v1.19.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c77b72ec5663ce0c0e852827a60711093f2d33d8c98159bfcd60f54b8cb61108
[INFO] running `Command { std: "docker" "start" "-a" "c77b72ec5663ce0c0e852827a60711093f2d33d8c98159bfcd60f54b8cb61108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c77b72ec5663ce0c0e852827a60711093f2d33d8c98159bfcd60f54b8cb61108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c77b72ec5663ce0c0e852827a60711093f2d33d8c98159bfcd60f54b8cb61108", kill_on_drop: false }`
[INFO] [stdout] c77b72ec5663ce0c0e852827a60711093f2d33d8c98159bfcd60f54b8cb61108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f71250aba332efe944a04c3bb881ba7efb2ecef683ed507854a74b3434598f9
[INFO] running `Command { std: "docker" "start" "-a" "7f71250aba332efe944a04c3bb881ba7efb2ecef683ed507854a74b3434598f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking arc-swap v1.5.1
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking similar v2.2.0
[INFO] [stderr]     Checking console v0.15.1
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rowan v0.15.8
[INFO] [stderr]     Checking insta v1.19.1
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking fancy-regex v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling thiserror-impl v1.0.34
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]     Checking thiserror v1.0.34
[INFO] [stderr]     Checking logos v0.12.1
[INFO] [stderr]     Checking serde v1.0.144
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking jsona v0.6.0
[INFO] [stderr]     Checking jsona-schema v0.3.0
[INFO] [stderr]     Checking jsona-openapi v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{cell::RefCell, collections::HashSet, convert::TryFrom, fmt::Display, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{cell::RefCell, collections::HashSet, convert::TryFrom, fmt::Display, rc::Rc};
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.34s
[INFO] running `Command { std: "docker" "inspect" "7f71250aba332efe944a04c3bb881ba7efb2ecef683ed507854a74b3434598f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f71250aba332efe944a04c3bb881ba7efb2ecef683ed507854a74b3434598f9", kill_on_drop: false }`
[INFO] [stdout] 7f71250aba332efe944a04c3bb881ba7efb2ecef683ed507854a74b3434598f9