[INFO] cloning repository https://github.com/Arti-Code/iconer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arti-Code/iconer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArti-Code%2Ficoner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArti-Code%2Ficoner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc65c22d6ff828bb653d49fa0ef375bb5c9b694f
[INFO] checking Arti-Code/iconer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArti-Code%2Ficoner" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arti-Code/iconer 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/Arti-Code/iconer
[INFO] finished tweaking git repo https://github.com/Arti-Code/iconer
[INFO] tweaked toml for git repo https://github.com/Arti-Code/iconer written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Arti-Code/iconer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded winreg v0.51.0
[INFO] [stderr]   Downloaded embed-resource v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c076c42323e51f8f5e6e329244fdd2e8864e92e82b718ca5929a0ef9809236bd
[INFO] running `Command { std: "docker" "start" "-a" "c076c42323e51f8f5e6e329244fdd2e8864e92e82b718ca5929a0ef9809236bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c076c42323e51f8f5e6e329244fdd2e8864e92e82b718ca5929a0ef9809236bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c076c42323e51f8f5e6e329244fdd2e8864e92e82b718ca5929a0ef9809236bd", kill_on_drop: false }`
[INFO] [stdout] c076c42323e51f8f5e6e329244fdd2e8864e92e82b718ca5929a0ef9809236bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d224739b255403f6d53fc50ddec0e4ff70e98ce7219ff00c546e3d67f2d943c2
[INFO] running `Command { std: "docker" "start" "-a" "d224739b255403f6d53fc50ddec0e4ff70e98ce7219ff00c546e3d67f2d943c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking png v0.17.10
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking ico v0.3.0
[INFO] [stderr]    Compiling toml_datetime v0.6.5
[INFO] [stderr]    Compiling serde_spanned v0.6.4
[INFO] [stderr]    Compiling toml_edit v0.21.0
[INFO] [stderr]    Compiling toml v0.8.8
[INFO] [stderr]    Compiling embed-resource v2.4.0
[INFO] [stderr]    Compiling iconer v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ico` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ico;
[INFO] [stdout]   |     ^^^ the item `ico` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ico` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ico;
[INFO] [stdout]   |     ^^^ the item `ico` is already defined by prelude
[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 4.07s
[INFO] running `Command { std: "docker" "inspect" "d224739b255403f6d53fc50ddec0e4ff70e98ce7219ff00c546e3d67f2d943c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d224739b255403f6d53fc50ddec0e4ff70e98ce7219ff00c546e3d67f2d943c2", kill_on_drop: false }`
[INFO] [stdout] d224739b255403f6d53fc50ddec0e4ff70e98ce7219ff00c546e3d67f2d943c2
[INFO] checking Arti-Code/iconer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArti-Code%2Ficoner" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arti-Code/iconer on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arti-Code/iconer
[INFO] finished tweaking git repo https://github.com/Arti-Code/iconer
[INFO] tweaked toml for git repo https://github.com/Arti-Code/iconer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Arti-Code/iconer 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 46722a2621185d04bb33d5f33a075db41dea4d29d156bf9d2b1fa8186f0a2608
[INFO] running `Command { std: "docker" "start" "-a" "46722a2621185d04bb33d5f33a075db41dea4d29d156bf9d2b1fa8186f0a2608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46722a2621185d04bb33d5f33a075db41dea4d29d156bf9d2b1fa8186f0a2608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46722a2621185d04bb33d5f33a075db41dea4d29d156bf9d2b1fa8186f0a2608", kill_on_drop: false }`
[INFO] [stdout] 46722a2621185d04bb33d5f33a075db41dea4d29d156bf9d2b1fa8186f0a2608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ec8ee92621501f31b573c0f7c47713539a343c483b0efa6b1dc953895dcc741
[INFO] running `Command { std: "docker" "start" "-a" "7ec8ee92621501f31b573c0f7c47713539a343c483b0efa6b1dc953895dcc741", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling winnow v0.5.19
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking fdeflate v0.3.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/miniz_oxide-0.7.1/src/inflate/core.rs:1154:9
[INFO] [stdout]      |
[INFO] [stdout] 1154 | /         match state {
[INFO] [stdout] 1155 | |             Start => generate_state!(state, 'state_machine, {
[INFO] [stdout] 1156 | |                 l.bit_buf = 0;
[INFO] [stdout] 1157 | |                 l.num_bits = 0;
[INFO] [stdout] ...    |
[INFO] [stdout] 1699 | |             _ => break TINFLStatus::Failed,
[INFO] [stdout] 1700 | |         };
[INFO] [stdout]      | |_________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr] error: could not compile `miniz_oxide` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ec8ee92621501f31b573c0f7c47713539a343c483b0efa6b1dc953895dcc741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec8ee92621501f31b573c0f7c47713539a343c483b0efa6b1dc953895dcc741", kill_on_drop: false }`
[INFO] [stdout] 7ec8ee92621501f31b573c0f7c47713539a343c483b0efa6b1dc953895dcc741