[INFO] cloning repository https://github.com/Gankra/abi-checker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gankra/abi-checker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGankra%2Fabi-checker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGankra%2Fabi-checker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aaa685a0ee09e438b294b48a33998d0ab95fb988
[INFO] checking Gankra/abi-checker against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGankra%2Fabi-checker" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Gankra/abi-checker 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 git repo https://github.com/Gankra/abi-checker
[INFO] finished tweaking git repo https://github.com/Gankra/abi-checker
[INFO] tweaked toml for git repo https://github.com/Gankra/abi-checker written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Gankra/abi-checker 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 git repository `https://github.com/Gankra/cc-rs`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simplelog v0.11.2
[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded built v0.5.1
[INFO] [stderr]   Downloaded once_cell v1.13.1
[INFO] [stderr]   Downloaded cargo-lock v7.0.1
[INFO] [stderr]   Downloaded clap v3.1.6
[INFO] [stderr]   Downloaded ron v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6709bc77116a51233dada8d8bb2f7dabf35a32ac1f7f95ca0037befa33ad0b78
[INFO] running `Command { std: "docker" "start" "-a" "6709bc77116a51233dada8d8bb2f7dabf35a32ac1f7f95ca0037befa33ad0b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6709bc77116a51233dada8d8bb2f7dabf35a32ac1f7f95ca0037befa33ad0b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6709bc77116a51233dada8d8bb2f7dabf35a32ac1f7f95ca0037befa33ad0b78", kill_on_drop: false }`
[INFO] [stdout] 6709bc77116a51233dada8d8bb2f7dabf35a32ac1f7f95ca0037befa33ad0b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bcef8f2bb50a05eee563870a58178afd52527678fecb0cb5a7aa917a8f77a926
[INFO] running `Command { std: "docker" "start" "-a" "bcef8f2bb50a05eee563870a58178afd52527678fecb0cb5a7aa917a8f77a926", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking cc v1.0.73 (https://github.com/Gankra/cc-rs#0f6c1fda)
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.11.2
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ron v0.7.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo-lock v7.0.1
[INFO] [stderr]    Compiling built v0.5.1
[INFO] [stderr]    Compiling abi-cafe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Config` is imported redundantly
[INFO] [stdout]  --> src/abis/c.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::super::*;
[INFO] [stdout]   |     --------------- the item `Config` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Config` is imported redundantly
[INFO] [stdout]  --> src/abis/c.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::super::*;
[INFO] [stdout]   |     --------------- the item `Config` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/abis.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub trait AbiImpl {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 54 |     fn name(&self) -> &'static str;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/abis.rs:54:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub trait AbiImpl {
[INFO] [stdout]    |           ------- method in this trait
[INFO] [stdout] 54 |     fn name(&self) -> &'static str;
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.75s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v7.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bcef8f2bb50a05eee563870a58178afd52527678fecb0cb5a7aa917a8f77a926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcef8f2bb50a05eee563870a58178afd52527678fecb0cb5a7aa917a8f77a926", kill_on_drop: false }`
[INFO] [stdout] bcef8f2bb50a05eee563870a58178afd52527678fecb0cb5a7aa917a8f77a926