[INFO] cloning repository https://github.com/YYRise/rs-cheat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YYRise/rs-cheat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYYRise%2Frs-cheat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYYRise%2Frs-cheat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b40b9409cad2a26a9b4d6c6a3fd5a5278efdd2db
[INFO] checking YYRise/rs-cheat against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYYRise%2Frs-cheat" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YYRise/rs-cheat 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/YYRise/rs-cheat
[INFO] finished tweaking git repo https://github.com/YYRise/rs-cheat
[INFO] tweaked toml for git repo https://github.com/YYRise/rs-cheat written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YYRise/rs-cheat 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]  Downloading crates ...
[INFO] [stderr]   Downloaded dyn-clone v1.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 676e19846c5ba21f7eb607e211114ec4868da85da86a4a82282b0faed0b2b69f
[INFO] running `Command { std: "docker" "start" "-a" "676e19846c5ba21f7eb607e211114ec4868da85da86a4a82282b0faed0b2b69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676e19846c5ba21f7eb607e211114ec4868da85da86a4a82282b0faed0b2b69f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676e19846c5ba21f7eb607e211114ec4868da85da86a4a82282b0faed0b2b69f", kill_on_drop: false }`
[INFO] [stdout] 676e19846c5ba21f7eb607e211114ec4868da85da86a4a82282b0faed0b2b69f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ce7453ba121476cd4a2a59bffe6ae5537094be869083324fd7622af3fb6462f0
[INFO] running `Command { std: "docker" "start" "-a" "ce7453ba121476cd4a2a59bffe6ae5537094be869083324fd7622af3fb6462f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling schemars v0.8.15
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling schemars_derive v0.8.15
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking rs-cheat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resolve`
[INFO] [stdout]   --> src/internal/config.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(conf_path: &str, resolve: bool) -> Option<Config> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolve`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolve`
[INFO] [stdout]   --> src/internal/config.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(conf_path: &str, resolve: bool) -> Option<Config> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolve`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.65s
[INFO] running `Command { std: "docker" "inspect" "ce7453ba121476cd4a2a59bffe6ae5537094be869083324fd7622af3fb6462f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7453ba121476cd4a2a59bffe6ae5537094be869083324fd7622af3fb6462f0", kill_on_drop: false }`
[INFO] [stdout] ce7453ba121476cd4a2a59bffe6ae5537094be869083324fd7622af3fb6462f0
[INFO] checking YYRise/rs-cheat against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYYRise%2Frs-cheat" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YYRise/rs-cheat on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YYRise/rs-cheat
[INFO] finished tweaking git repo https://github.com/YYRise/rs-cheat
[INFO] tweaked toml for git repo https://github.com/YYRise/rs-cheat written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/YYRise/rs-cheat 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7842d7a4f2ab1193411346db8de42c7be71b95def69444c13f9cb9bd5c2037
[INFO] running `Command { std: "docker" "start" "-a" "ce7842d7a4f2ab1193411346db8de42c7be71b95def69444c13f9cb9bd5c2037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7842d7a4f2ab1193411346db8de42c7be71b95def69444c13f9cb9bd5c2037", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7842d7a4f2ab1193411346db8de42c7be71b95def69444c13f9cb9bd5c2037", kill_on_drop: false }`
[INFO] [stdout] ce7842d7a4f2ab1193411346db8de42c7be71b95def69444c13f9cb9bd5c2037
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad2be45c8240119407122b2a5c940e83e74cc950b528afc269462c05326cd64
[INFO] running `Command { std: "docker" "start" "-a" "bad2be45c8240119407122b2a5c940e83e74cc950b528afc269462c05326cd64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling schemars v0.8.15
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking dyn-clone v1.0.13
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]    Compiling serde_derive_internals v0.26.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]    Compiling schemars_derive v0.8.15
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking rs-cheat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `resolve`
[INFO] [stdout]   --> src/internal/config.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(conf_path: &str, resolve: bool) -> Option<Config> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolve`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `resolve`
[INFO] [stdout]   --> src/internal/config.rs:28:33
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn new(conf_path: &str, resolve: bool) -> Option<Config> {
[INFO] [stdout]    |                                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_resolve`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 17.45s
[INFO] running `Command { std: "docker" "inspect" "bad2be45c8240119407122b2a5c940e83e74cc950b528afc269462c05326cd64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad2be45c8240119407122b2a5c940e83e74cc950b528afc269462c05326cd64", kill_on_drop: false }`
[INFO] [stdout] bad2be45c8240119407122b2a5c940e83e74cc950b528afc269462c05326cd64