[INFO] fetching crate cloup 0.1.1...
[INFO] checking cloup-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cloup 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cloup 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 cloup 0.1.1
[INFO] finished tweaking crates.io crate cloup 0.1.1
[INFO] tweaked toml for crates.io crate cloup 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate cloup 0.1.1 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 textwrap v0.15.1
[INFO] [stderr]   Downloaded clap v3.2.22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b514a2959b78b27a5d2c478a555027cbd8813f75a8687df1d47b82620726023a
[INFO] running `Command { std: "docker" "start" "-a" "b514a2959b78b27a5d2c478a555027cbd8813f75a8687df1d47b82620726023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b514a2959b78b27a5d2c478a555027cbd8813f75a8687df1d47b82620726023a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b514a2959b78b27a5d2c478a555027cbd8813f75a8687df1d47b82620726023a", kill_on_drop: false }`
[INFO] [stdout] b514a2959b78b27a5d2c478a555027cbd8813f75a8687df1d47b82620726023a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01ac05e8004a4ae186126a9dcc9852283b92d4f870801da8dfed0202abd7dc0d
[INFO] running `Command { std: "docker" "start" "-a" "01ac05e8004a4ae186126a9dcc9852283b92d4f870801da8dfed0202abd7dc0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking cloup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.92s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: fs_extra v1.2.0
[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" "01ac05e8004a4ae186126a9dcc9852283b92d4f870801da8dfed0202abd7dc0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01ac05e8004a4ae186126a9dcc9852283b92d4f870801da8dfed0202abd7dc0d", kill_on_drop: false }`
[INFO] [stdout] 01ac05e8004a4ae186126a9dcc9852283b92d4f870801da8dfed0202abd7dc0d
[INFO] checking cloup-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate cloup 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cloup 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 cloup 0.1.1
[INFO] finished tweaking crates.io crate cloup 0.1.1
[INFO] tweaked toml for crates.io crate cloup 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate cloup 0.1.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a0cdf401c52b79dcdc4ba7fc2d9a1e0df2d659e148ab44193b14504a59e04bd3
[INFO] running `Command { std: "docker" "start" "-a" "a0cdf401c52b79dcdc4ba7fc2d9a1e0df2d659e148ab44193b14504a59e04bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0cdf401c52b79dcdc4ba7fc2d9a1e0df2d659e148ab44193b14504a59e04bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0cdf401c52b79dcdc4ba7fc2d9a1e0df2d659e148ab44193b14504a59e04bd3", kill_on_drop: false }`
[INFO] [stdout] a0cdf401c52b79dcdc4ba7fc2d9a1e0df2d659e148ab44193b14504a59e04bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f1a3ef933be84deef83059baf1feb69d3b76da96b52768ddc9fe3917d07fee17
[INFO] running `Command { std: "docker" "start" "-a" "f1a3ef933be84deef83059baf1feb69d3b76da96b52768ddc9fe3917d07fee17", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.3.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.15.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling clap_derive v3.2.18
[INFO] [stderr]     Checking clap v3.2.22
[INFO] [stderr]     Checking cloup v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Result<u64, _>`
[INFO] [stdout]    --> src/utils.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |           let _ = fs_extra::dir::copy(
[INFO] [stdout]     |  _____________^___-
[INFO] [stdout] 181 | |             &template_dir,
[INFO] [stdout] 182 | |             &current_dir,
[INFO] [stdout] 183 | |             &DirCopyOptions::from(DirCopyOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 195 | |             process::exit(1);
[INFO] [stdout] 196 | |         });
[INFO] [stdout]     | |__________- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `F` is specified
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let _: Result<u64, _> = fs_extra::dir::copy(
[INFO] [stdout]     |              ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/utils.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 .map_err(|e| {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 .map_err(|e| -> /* Type */ {
[INFO] [stdout]     |                              +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed for `Result<u64, _>`
[INFO] [stdout]    --> src/utils.rs:180:13
[INFO] [stdout]     |
[INFO] [stdout] 180 |           let _ = fs_extra::dir::copy(
[INFO] [stdout]     |  _____________^___-
[INFO] [stdout] 181 | |             &template_dir,
[INFO] [stdout] 182 | |             &current_dir,
[INFO] [stdout] 183 | |             &DirCopyOptions::from(DirCopyOptions {
[INFO] [stdout] ...   |
[INFO] [stdout] 195 | |             process::exit(1);
[INFO] [stdout] 196 | |         });
[INFO] [stdout]     | |__________- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving this pattern a type, where the type for type parameter `F` is specified
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let _: Result<u64, _> = fs_extra::dir::copy(
[INFO] [stdout]     |              ++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/utils.rs:262:26
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 .map_err(|e| {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 262 |                 .map_err(|e| -> /* Type */ {
[INFO] [stdout]     |                              +++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cloup` (bin "cloup") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cloup` (bin "cloup" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "f1a3ef933be84deef83059baf1feb69d3b76da96b52768ddc9fe3917d07fee17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1a3ef933be84deef83059baf1feb69d3b76da96b52768ddc9fe3917d07fee17", kill_on_drop: false }`
[INFO] [stdout] f1a3ef933be84deef83059baf1feb69d3b76da96b52768ddc9fe3917d07fee17