[INFO] fetching crate unshare_petbox 0.7.1... [INFO] checking unshare_petbox-0.7.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate unshare_petbox 0.7.1 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate unshare_petbox 0.7.1 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 unshare_petbox 0.7.1 [INFO] finished tweaking crates.io crate unshare_petbox 0.7.1 [INFO] tweaked toml for crates.io crate unshare_petbox 0.7.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate unshare_petbox 0.7.1 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 nix v0.20.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 24cfdbf0d3ea385c249ef89f14266bf8d22c557ffeb5b0f50b31346ed01f2470 [INFO] running `Command { std: "docker" "start" "-a" "24cfdbf0d3ea385c249ef89f14266bf8d22c557ffeb5b0f50b31346ed01f2470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24cfdbf0d3ea385c249ef89f14266bf8d22c557ffeb5b0f50b31346ed01f2470", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24cfdbf0d3ea385c249ef89f14266bf8d22c557ffeb5b0f50b31346ed01f2470", kill_on_drop: false }` [INFO] [stdout] 24cfdbf0d3ea385c249ef89f14266bf8d22c557ffeb5b0f50b31346ed01f2470 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 59d83a2c41f8d54c6be54fc9ceee20db5a04da9e85cf4d0a00dbd8aade9f9cd9 [INFO] running `Command { std: "docker" "start" "-a" "59d83a2c41f8d54c6be54fc9ceee20db5a04da9e85cf4d0a00dbd8aade9f9cd9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking nix v0.20.2 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unshare_petbox v0.7.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/std_api.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/pipe.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/child.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/child.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/run.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/stdio.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/stdio.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/std_api.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/config.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/pipe.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/child.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/child.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/run.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `nix` is imported redundantly [INFO] [stdout] --> src/stdio.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use nix; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:31:1 [INFO] [stdout] | [INFO] [stdout] 31 | extern crate nix; [INFO] [stdout] | ----------------- the item `nix` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/stdio.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use libc; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] ::: src/lib.rs:30:1 [INFO] [stdout] | [INFO] [stdout] 30 | extern crate libc; [INFO] [stdout] | ------------------ the item `libc` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.21s [INFO] running `Command { std: "docker" "inspect" "59d83a2c41f8d54c6be54fc9ceee20db5a04da9e85cf4d0a00dbd8aade9f9cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "59d83a2c41f8d54c6be54fc9ceee20db5a04da9e85cf4d0a00dbd8aade9f9cd9", kill_on_drop: false }` [INFO] [stdout] 59d83a2c41f8d54c6be54fc9ceee20db5a04da9e85cf4d0a00dbd8aade9f9cd9 [INFO] checking unshare_petbox-0.7.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate unshare_petbox 0.7.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate unshare_petbox 0.7.1 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 unshare_petbox 0.7.1 [INFO] finished tweaking crates.io crate unshare_petbox 0.7.1 [INFO] tweaked toml for crates.io crate unshare_petbox 0.7.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate unshare_petbox 0.7.1 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d6eac2677b39690726a83077a2576d841f0b705f8bfef917f53e2bf254ace080 [INFO] running `Command { std: "docker" "start" "-a" "d6eac2677b39690726a83077a2576d841f0b705f8bfef917f53e2bf254ace080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6eac2677b39690726a83077a2576d841f0b705f8bfef917f53e2bf254ace080", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6eac2677b39690726a83077a2576d841f0b705f8bfef917f53e2bf254ace080", kill_on_drop: false }` [INFO] [stdout] d6eac2677b39690726a83077a2576d841f0b705f8bfef917f53e2bf254ace080 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fa70cba1c7ed92089edb218bed9504d64c3e1c233d02b9d0fed1c17f5b2bb6d5 [INFO] running `Command { std: "docker" "start" "-a" "fa70cba1c7ed92089edb218bed9504d64c3e1c233d02b9d0fed1c17f5b2bb6d5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:206:18 [INFO] [stdout] | [INFO] [stdout] 206 | _ => panic!(), [INFO] [stdout] | ^^^^^^^^ cannot satisfy `_ -> _` [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0284]: type annotations needed: cannot satisfy `_ -> _` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:340:29 [INFO] [stdout] | [INFO] [stdout] 340 | None => match self.parser.catchall_argument { [INFO] [stdout] | _____________________________^ [INFO] [stdout] 341 | | Some(ref option) => { [INFO] [stdout] 342 | | opt = option; [INFO] [stdout] 343 | | break; [INFO] [stdout] ... | [INFO] [stdout] 346 | | "Unexpected argument {}", arg)), [INFO] [stdout] 347 | | } [INFO] [stdout] | |_____________________^ cannot satisfy `_ -> _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/argparse-0.2.2/src/parser.rs:809:22 [INFO] [stdout] | [INFO] [stdout] 809 | .map_err(|c| exit(c)) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 809 | .map_err(|c| -> /* Type */ { exit(c) }) [INFO] [stdout] | +++++++++++++++ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0282, E0284. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `argparse` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "fa70cba1c7ed92089edb218bed9504d64c3e1c233d02b9d0fed1c17f5b2bb6d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa70cba1c7ed92089edb218bed9504d64c3e1c233d02b9d0fed1c17f5b2bb6d5", kill_on_drop: false }` [INFO] [stdout] fa70cba1c7ed92089edb218bed9504d64c3e1c233d02b9d0fed1c17f5b2bb6d5