[INFO] cloning repository https://github.com/arayaryoma/madoka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arayaryoma/madoka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farayaryoma%2Fmadoka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farayaryoma%2Fmadoka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 57550237e12e2cd8a489a3ef32b529a135118c8d
[INFO] checking arayaryoma/madoka against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farayaryoma%2Fmadoka" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arayaryoma/madoka 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/arayaryoma/madoka
[INFO] finished tweaking git repo https://github.com/arayaryoma/madoka
[INFO] tweaked toml for git repo https://github.com/arayaryoma/madoka written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/arayaryoma/madoka 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]     Updating git repository `https://github.com/hyperium/hyper-util.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http-body v1.0.0-rc.2
[INFO] [stderr]   Downloaded http-range v0.1.5
[INFO] [stderr]   Downloaded http-body-util v0.1.0-rc.3
[INFO] [stderr]   Downloaded hyper-staticfile v0.9.5
[INFO] [stderr]   Downloaded aho-corasick v1.1.0
[INFO] [stderr]   Downloaded hyper v1.0.0-rc.4
[INFO] [stderr]   Downloaded syn v2.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c2fd75a169d79ca5b1dadab4f5c7cb8c9c9f79ca6d7f48913614e308ddba0271
[INFO] running `Command { std: "docker" "start" "-a" "c2fd75a169d79ca5b1dadab4f5c7cb8c9c9f79ca6d7f48913614e308ddba0271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2fd75a169d79ca5b1dadab4f5c7cb8c9c9f79ca6d7f48913614e308ddba0271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2fd75a169d79ca5b1dadab4f5c7cb8c9c9f79ca6d7f48913614e308ddba0271", kill_on_drop: false }`
[INFO] [stdout] c2fd75a169d79ca5b1dadab4f5c7cb8c9c9f79ca6d7f48913614e308ddba0271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 676d724f62259e2e9b872f23c235c2f2bdc5e1fe56f96819e28dc379fd7f1b32
[INFO] running `Command { std: "docker" "start" "-a" "676d724f62259e2e9b872f23c235c2f2bdc5e1fe56f96819e28dc379fd7f1b32", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling syn v2.0.35
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking http-body v1.0.0-rc.2
[INFO] [stderr]     Checking aho-corasick v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking http-range v0.1.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking clap v4.4.3
[INFO] [stderr]     Checking http-body-util v0.1.0-rc.3
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-staticfile v0.9.5
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking hyper v1.0.0-rc.4
[INFO] [stderr]     Checking hyper-util v0.0.0 (https://github.com/hyperium/hyper-util.git#450cca83)
[INFO] [stderr]     Checking madoka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::{debug, error};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `debug`
[INFO] [stdout]   --> src/main.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use log::{debug, error};
[INFO] [stdout]    |           ^^^^^
[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 13.54s
[INFO] running `Command { std: "docker" "inspect" "676d724f62259e2e9b872f23c235c2f2bdc5e1fe56f96819e28dc379fd7f1b32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d724f62259e2e9b872f23c235c2f2bdc5e1fe56f96819e28dc379fd7f1b32", kill_on_drop: false }`
[INFO] [stdout] 676d724f62259e2e9b872f23c235c2f2bdc5e1fe56f96819e28dc379fd7f1b32