[INFO] cloning repository https://github.com/modernserf/gremlin_rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modernserf/gremlin_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodernserf%2Fgremlin_rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodernserf%2Fgremlin_rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 843b25b658fe6e7a92a4012cc41599b13a8f8247 [INFO] checking modernserf/gremlin_rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodernserf%2Fgremlin_rs" "/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/modernserf/gremlin_rs 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/modernserf/gremlin_rs [INFO] finished tweaking git repo https://github.com/modernserf/gremlin_rs [INFO] tweaked toml for git repo https://github.com/modernserf/gremlin_rs written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/modernserf/gremlin_rs 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] 7307ce26e42664184ac134d662d9051a7bac607a6712f8a3afcbedb4ae1fcc5a [INFO] running `Command { std: "docker" "start" "-a" "7307ce26e42664184ac134d662d9051a7bac607a6712f8a3afcbedb4ae1fcc5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7307ce26e42664184ac134d662d9051a7bac607a6712f8a3afcbedb4ae1fcc5a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7307ce26e42664184ac134d662d9051a7bac607a6712f8a3afcbedb4ae1fcc5a", kill_on_drop: false }` [INFO] [stdout] 7307ce26e42664184ac134d662d9051a7bac607a6712f8a3afcbedb4ae1fcc5a [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] 82596a7b0ef1d30484d3c012abb330537aaadd6906d52083a917de101ae0a21c [INFO] running `Command { std: "docker" "start" "-a" "82596a7b0ef1d30484d3c012abb330537aaadd6906d52083a917de101ae0a21c", kill_on_drop: false }` [INFO] [stderr] Checking gremlin_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/expr.rs:663:9 [INFO] [stdout] | [INFO] [stdout] 660 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 663 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IR` is imported redundantly [INFO] [stdout] --> src/memory2.rs:1333:47 [INFO] [stdout] | [INFO] [stdout] 1332 | use super::{Data::*, *}; [INFO] [stdout] | - the item `IR` is already imported here [INFO] [stdout] 1333 | use crate::runtime::{Register::SP, EA::*, IR, IR::*}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "82596a7b0ef1d30484d3c012abb330537aaadd6906d52083a917de101ae0a21c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82596a7b0ef1d30484d3c012abb330537aaadd6906d52083a917de101ae0a21c", kill_on_drop: false }` [INFO] [stdout] 82596a7b0ef1d30484d3c012abb330537aaadd6906d52083a917de101ae0a21c [INFO] checking modernserf/gremlin_rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodernserf%2Fgremlin_rs" "/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/modernserf/gremlin_rs 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/modernserf/gremlin_rs [INFO] finished tweaking git repo https://github.com/modernserf/gremlin_rs [INFO] tweaked toml for git repo https://github.com/modernserf/gremlin_rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/modernserf/gremlin_rs 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] 30ac3064003da0d76d34165d8630a4850d228145a36c8b66586709f4b59d3ddf [INFO] running `Command { std: "docker" "start" "-a" "30ac3064003da0d76d34165d8630a4850d228145a36c8b66586709f4b59d3ddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30ac3064003da0d76d34165d8630a4850d228145a36c8b66586709f4b59d3ddf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ac3064003da0d76d34165d8630a4850d228145a36c8b66586709f4b59d3ddf", kill_on_drop: false }` [INFO] [stdout] 30ac3064003da0d76d34165d8630a4850d228145a36c8b66586709f4b59d3ddf [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] 8a1af8f219a225f7a23f20e1821a5e5051d7ac1c52cc7b592e7f82c41b7543ab [INFO] running `Command { std: "docker" "start" "-a" "8a1af8f219a225f7a23f20e1821a5e5051d7ac1c52cc7b592e7f82c41b7543ab", kill_on_drop: false }` [INFO] [stderr] Checking gremlin_rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `HashMap` is imported redundantly [INFO] [stdout] --> src/expr.rs:663:9 [INFO] [stdout] | [INFO] [stdout] 660 | use super::*; [INFO] [stdout] | -------- the item `HashMap` is already imported here [INFO] [stdout] ... [INFO] [stdout] 663 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IR` is imported redundantly [INFO] [stdout] --> src/memory2.rs:1333:47 [INFO] [stdout] | [INFO] [stdout] 1332 | use super::{Data::*, *}; [INFO] [stdout] | - the item `IR` is already imported here [INFO] [stdout] 1333 | use crate::runtime::{Register::SP, EA::*, IR, IR::*}; [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/memory2.rs:705:9 [INFO] [stdout] | [INFO] [stdout] 705 | / match item { [INFO] [stdout] 706 | | Item::Local(ty, idx, ref_level) => { [INFO] [stdout] 707 | | return Ok(Item::Local(ty.add_ref(), idx, ref_level + 1)); [INFO] [stdout] 708 | | } [INFO] [stdout] 709 | | _ => return Err(InvalidRef), [INFO] [stdout] 710 | | }; [INFO] [stdout] | |_________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/memory2.rs:705:9 [INFO] [stdout] | [INFO] [stdout] 705 | / match item { [INFO] [stdout] 706 | | Item::Local(ty, idx, ref_level) => { [INFO] [stdout] 707 | | return Ok(Item::Local(ty.add_ref(), idx, ref_level + 1)); [INFO] [stdout] 708 | | } [INFO] [stdout] 709 | | _ => return Err(InvalidRef), [INFO] [stdout] 710 | | }; [INFO] [stdout] | |_________^ cannot infer type [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 `gremlin_rs` (bin "gremlin_rs") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `gremlin_rs` (bin "gremlin_rs" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8a1af8f219a225f7a23f20e1821a5e5051d7ac1c52cc7b592e7f82c41b7543ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a1af8f219a225f7a23f20e1821a5e5051d7ac1c52cc7b592e7f82c41b7543ab", kill_on_drop: false }` [INFO] [stdout] 8a1af8f219a225f7a23f20e1821a5e5051d7ac1c52cc7b592e7f82c41b7543ab