[INFO] cloning repository https://github.com/ComprosoftCEO/StringerPuzzles [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ComprosoftCEO/StringerPuzzles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b2625111558ad75a1883221fe4d5bf9e673fb7b8 [INFO] checking ComprosoftCEO/StringerPuzzles against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ComprosoftCEO/StringerPuzzles on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles [INFO] finished tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles [INFO] tweaked toml for git repo https://github.com/ComprosoftCEO/StringerPuzzles written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/ComprosoftCEO/StringerPuzzles 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rand_seeder v0.2.3 [INFO] [stderr] Downloaded rlua v0.19.1 [INFO] [stderr] Downloaded syn v1.0.94 [INFO] [stderr] Downloaded rlua-lua54-sys v0.1.1 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 038b29b004ef1d7d87ee7b3f51f2dbadd2f77b205b38c6e0f7b85c22aa7705ca [INFO] running `Command { std: "docker" "start" "-a" "038b29b004ef1d7d87ee7b3f51f2dbadd2f77b205b38c6e0f7b85c22aa7705ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "038b29b004ef1d7d87ee7b3f51f2dbadd2f77b205b38c6e0f7b85c22aa7705ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "038b29b004ef1d7d87ee7b3f51f2dbadd2f77b205b38c6e0f7b85c22aa7705ca", kill_on_drop: false }` [INFO] [stdout] 038b29b004ef1d7d87ee7b3f51f2dbadd2f77b205b38c6e0f7b85c22aa7705ca [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d4512750e7a85de6355b67668ff043da5f6807a4b5c548aa9a2a7573b85e05b6 [INFO] running `Command { std: "docker" "start" "-a" "d4512750e7a85de6355b67668ff043da5f6807a4b5c548aa9a2a7573b85e05b6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling rlua v0.19.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling rlua-lua54-sys v0.1.1 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand_seeder v0.2.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stderr] Checking stringer-puzzles v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `SliceRandom` is imported redundantly [INFO] [stdout] --> src/level_pack.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `SliceRandom` is already imported here [INFO] [stdout] 2 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `SliceRandom` is imported redundantly [INFO] [stdout] --> src/level_pack.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `SliceRandom` is already imported here [INFO] [stdout] 2 | use rand::seq::SliceRandom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [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 22.83s [INFO] running `Command { std: "docker" "inspect" "d4512750e7a85de6355b67668ff043da5f6807a4b5c548aa9a2a7573b85e05b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4512750e7a85de6355b67668ff043da5f6807a4b5c548aa9a2a7573b85e05b6", kill_on_drop: false }` [INFO] [stdout] d4512750e7a85de6355b67668ff043da5f6807a4b5c548aa9a2a7573b85e05b6 [INFO] checking ComprosoftCEO/StringerPuzzles against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FComprosoftCEO%2FStringerPuzzles" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ComprosoftCEO/StringerPuzzles on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles [INFO] finished tweaking git repo https://github.com/ComprosoftCEO/StringerPuzzles [INFO] tweaked toml for git repo https://github.com/ComprosoftCEO/StringerPuzzles written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/ComprosoftCEO/StringerPuzzles 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b86f5b95bc21cdc65f1198e5203deda00d6d16aba7b2de108e348928af007e1f [INFO] running `Command { std: "docker" "start" "-a" "b86f5b95bc21cdc65f1198e5203deda00d6d16aba7b2de108e348928af007e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b86f5b95bc21cdc65f1198e5203deda00d6d16aba7b2de108e348928af007e1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b86f5b95bc21cdc65f1198e5203deda00d6d16aba7b2de108e348928af007e1f", kill_on_drop: false }` [INFO] [stdout] b86f5b95bc21cdc65f1198e5203deda00d6d16aba7b2de108e348928af007e1f [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60f3b08dce6446af6d4ce0f8f66bf6fb7fa8036dccfa812eaea69de662d6a24e [INFO] running `Command { std: "docker" "start" "-a" "60f3b08dce6446af6d4ce0f8f66bf6fb7fa8036dccfa812eaea69de662d6a24e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling proc-macro2 v1.0.38 [INFO] [stderr] Compiling unicode-xid v0.2.3 [INFO] [stderr] Compiling syn v1.0.94 [INFO] [stderr] Compiling pkg-config v0.3.25 [INFO] [stderr] Compiling cc v1.0.73 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling rlua v0.19.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking ryu v1.0.9 [INFO] [stderr] Checking itoa v1.0.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling rlua-lua54-sys v0.1.1 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand_seeder v0.2.3 [INFO] [stderr] Checking rand_pcg v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stdout] error[E0277]: the trait bound `!: FromLuaMulti<'_>` is not satisfied [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/context.rs:950:14 [INFO] [stdout] | [INFO] [stdout] 950 | self.call(())?; [INFO] [stdout] | ^^^^ the trait `UserData` is not implemented for `!`, which is required by `!: FromLuaMulti<'_>` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `FromLuaMulti<'lua>`: [INFO] [stdout] () [INFO] [stdout] (A,) [INFO] [stdout] (B, A) [INFO] [stdout] (B, C, A) [INFO] [stdout] (B, C, D, A) [INFO] [stdout] (B, C, D, E, A) [INFO] [stdout] (B, C, D, E, F, A) [INFO] [stdout] (B, C, D, E, F, G, A) [INFO] [stdout] and 11 others [INFO] [stdout] note: required for `!` to implement `FromLua<'_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/conversion.rs:132:43 [INFO] [stdout] | [INFO] [stdout] 132 | impl<'lua, T: 'static + UserData + Clone> FromLua<'lua> for T { [INFO] [stdout] | -------- ^^^^^^^^^^^^^ ^ [INFO] [stdout] | | [INFO] [stdout] | unsatisfied trait bound introduced here [INFO] [stdout] note: required for `!` to implement `FromLuaMulti<'_>` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/multi.rs:35:30 [INFO] [stdout] | [INFO] [stdout] 35 | impl<'lua, T: FromLua<'lua>> FromLuaMulti<'lua> for T { [INFO] [stdout] | ------------- ^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] | | [INFO] [stdout] | unsatisfied trait bound introduced here [INFO] [stdout] note: required by a bound in `Chunk::<'lua, 'a>::call` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rlua-0.19.1/src/context.rs:980:41 [INFO] [stdout] | [INFO] [stdout] 980 | pub fn call, R: FromLuaMulti<'lua>>(self, args: A) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ required by this bound in `Chunk::<'lua, 'a>::call` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rlua` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "60f3b08dce6446af6d4ce0f8f66bf6fb7fa8036dccfa812eaea69de662d6a24e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60f3b08dce6446af6d4ce0f8f66bf6fb7fa8036dccfa812eaea69de662d6a24e", kill_on_drop: false }` [INFO] [stdout] 60f3b08dce6446af6d4ce0f8f66bf6fb7fa8036dccfa812eaea69de662d6a24e