[INFO] fetching crate transcoding_rs 0.1.1...
[INFO] checking transcoding_rs-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate transcoding_rs 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate transcoding_rs 0.1.1 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 transcoding_rs 0.1.1
[INFO] finished tweaking crates.io crate transcoding_rs 0.1.1
[INFO] tweaked toml for crates.io crate transcoding_rs 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[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 chardetng v0.1.17
[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] 8b1d7fafe0b189d240a8cb5e49398e511ad73c9af3912ce9bd17324c6fb915a6
[INFO] running `Command { std: "docker" "start" "-a" "8b1d7fafe0b189d240a8cb5e49398e511ad73c9af3912ce9bd17324c6fb915a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b1d7fafe0b189d240a8cb5e49398e511ad73c9af3912ce9bd17324c6fb915a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b1d7fafe0b189d240a8cb5e49398e511ad73c9af3912ce9bd17324c6fb915a6", kill_on_drop: false }`
[INFO] [stdout] 8b1d7fafe0b189d240a8cb5e49398e511ad73c9af3912ce9bd17324c6fb915a6
[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] 4676425ed4546722dacf6506d40ca8089f2d18364d2561fd4a8d0fc2c3310674
[INFO] running `Command { std: "docker" "start" "-a" "4676425ed4546722dacf6506d40ca8089f2d18364d2561fd4a8d0fc2c3310674", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking chardetng v0.1.17
[INFO] [stderr]     Checking transcoding_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "4676425ed4546722dacf6506d40ca8089f2d18364d2561fd4a8d0fc2c3310674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4676425ed4546722dacf6506d40ca8089f2d18364d2561fd4a8d0fc2c3310674", kill_on_drop: false }`
[INFO] [stdout] 4676425ed4546722dacf6506d40ca8089f2d18364d2561fd4a8d0fc2c3310674
[INFO] checking transcoding_rs-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate transcoding_rs 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate transcoding_rs 0.1.1 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 crates.io crate transcoding_rs 0.1.1
[INFO] finished tweaking crates.io crate transcoding_rs 0.1.1
[INFO] tweaked toml for crates.io crate transcoding_rs 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 002e925857dbbffff130a809503aa8d46b3a85e36252772560adeb833cfff1c3
[INFO] running `Command { std: "docker" "start" "-a" "002e925857dbbffff130a809503aa8d46b3a85e36252772560adeb833cfff1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "002e925857dbbffff130a809503aa8d46b3a85e36252772560adeb833cfff1c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "002e925857dbbffff130a809503aa8d46b3a85e36252772560adeb833cfff1c3", kill_on_drop: false }`
[INFO] [stdout] 002e925857dbbffff130a809503aa8d46b3a85e36252772560adeb833cfff1c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 093bfcbcc122482a930f2d3a2001323560fbd2a903c4b3d867e9d87798b0891c
[INFO] running `Command { std: "docker" "start" "-a" "093bfcbcc122482a930f2d3a2001323560fbd2a903c4b3d867e9d87798b0891c", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking chardetng v0.1.17
[INFO] [stderr]     Checking transcoding_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/i18n_reader.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     test_reader!(reader_sjis_utf8        , "sjis_ja.txt"         , "utf8_ja.txt"     , "utf8");
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `test_reader` (in Nightly builds, run with -Z macro-backtrace for more info)
[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] error: could not compile `transcoding_rs` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "093bfcbcc122482a930f2d3a2001323560fbd2a903c4b3d867e9d87798b0891c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093bfcbcc122482a930f2d3a2001323560fbd2a903c4b3d867e9d87798b0891c", kill_on_drop: false }`
[INFO] [stdout] 093bfcbcc122482a930f2d3a2001323560fbd2a903c4b3d867e9d87798b0891c