[INFO] cloning repository https://github.com/trevorwslee/rusty_dumb_tools [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trevorwslee/rusty_dumb_tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorwslee%2Frusty_dumb_tools", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorwslee%2Frusty_dumb_tools'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9c976c72ccfe989ef248dd9b6d5ab9c674d80482 [INFO] checking trevorwslee/rusty_dumb_tools against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorwslee%2Frusty_dumb_tools" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/trevorwslee/rusty_dumb_tools 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/trevorwslee/rusty_dumb_tools [INFO] finished tweaking git repo https://github.com/trevorwslee/rusty_dumb_tools [INFO] tweaked toml for git repo https://github.com/trevorwslee/rusty_dumb_tools written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/trevorwslee/rusty_dumb_tools 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c4ee15a42e10acc137468c3bf94696f4385852a2faef65873240fc12d45ace4a [INFO] running `Command { std: "docker" "start" "-a" "c4ee15a42e10acc137468c3bf94696f4385852a2faef65873240fc12d45ace4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4ee15a42e10acc137468c3bf94696f4385852a2faef65873240fc12d45ace4a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4ee15a42e10acc137468c3bf94696f4385852a2faef65873240fc12d45ace4a", kill_on_drop: false }` [INFO] [stdout] c4ee15a42e10acc137468c3bf94696f4385852a2faef65873240fc12d45ace4a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e34316720c0da880a96dc4f4ebb7e832e018a97ed6409bc266775f9557d539c1 [INFO] running `Command { std: "docker" "start" "-a" "e34316720c0da880a96dc4f4ebb7e832e018a97ed6409bc266775f9557d539c1", kill_on_drop: false }` [INFO] [stderr] Checking rusty_dumb_tools v0.1.8 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s [INFO] running `Command { std: "docker" "inspect" "e34316720c0da880a96dc4f4ebb7e832e018a97ed6409bc266775f9557d539c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e34316720c0da880a96dc4f4ebb7e832e018a97ed6409bc266775f9557d539c1", kill_on_drop: false }` [INFO] [stdout] e34316720c0da880a96dc4f4ebb7e832e018a97ed6409bc266775f9557d539c1 [INFO] checking trevorwslee/rusty_dumb_tools against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrevorwslee%2Frusty_dumb_tools" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/trevorwslee/rusty_dumb_tools 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/trevorwslee/rusty_dumb_tools [INFO] finished tweaking git repo https://github.com/trevorwslee/rusty_dumb_tools [INFO] tweaked toml for git repo https://github.com/trevorwslee/rusty_dumb_tools written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/trevorwslee/rusty_dumb_tools 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] df50366e33a09347e3266e3b4820a670957987f34d465dd8448f26895914bf20 [INFO] running `Command { std: "docker" "start" "-a" "df50366e33a09347e3266e3b4820a670957987f34d465dd8448f26895914bf20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df50366e33a09347e3266e3b4820a670957987f34d465dd8448f26895914bf20", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df50366e33a09347e3266e3b4820a670957987f34d465dd8448f26895914bf20", kill_on_drop: false }` [INFO] [stdout] df50366e33a09347e3266e3b4820a670957987f34d465dd8448f26895914bf20 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bf43de12cc9a738a24885ec581e9caccb8c018d357a2cc07ac307ae1153a7d5b [INFO] running `Command { std: "docker" "start" "-a" "bf43de12cc9a738a24885ec581e9caccb8c018d357a2cc07ac307ae1153a7d5b", kill_on_drop: false }` [INFO] [stderr] Checking rusty_dumb_tools v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed for `Result<_, Box>` [INFO] [stdout] --> src/demo/test_arg.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let result = std::panic::catch_unwind(|| { [INFO] [stdout] | _________^^^^^^___- [INFO] [stdout] 86 | | let param: i32 = parser.get("f64").unwrap(); [INFO] [stdout] 87 | | std::process::exit(-1); // should not reach here [INFO] [stdout] 88 | | }); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] help: consider giving `result` an explicit type, where the type for type parameter `R` is specified [INFO] [stdout] | [INFO] [stdout] 85 | let result: Result<_, Box> = std::panic::catch_unwind(|| { [INFO] [stdout] | ++++++++++++++++++++++++++++++++ [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 `rusty_dumb_tools` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "bf43de12cc9a738a24885ec581e9caccb8c018d357a2cc07ac307ae1153a7d5b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf43de12cc9a738a24885ec581e9caccb8c018d357a2cc07ac307ae1153a7d5b", kill_on_drop: false }` [INFO] [stdout] bf43de12cc9a738a24885ec581e9caccb8c018d357a2cc07ac307ae1153a7d5b