[INFO] fetching crate toolchain_find 0.4.0... [INFO] checking toolchain_find-0.4.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate toolchain_find 0.4.0 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate toolchain_find 0.4.0 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 toolchain_find 0.4.0 [INFO] finished tweaking crates.io crate toolchain_find 0.4.0 [INFO] tweaked toml for crates.io crate toolchain_find 0.4.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate toolchain_find 0.4.0 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 winapi-util v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4331bcf8457e9c885e7c17f33f1672f2224eafd887f891de1e2f183733648827 [INFO] running `Command { std: "docker" "start" "-a" "4331bcf8457e9c885e7c17f33f1672f2224eafd887f891de1e2f183733648827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4331bcf8457e9c885e7c17f33f1672f2224eafd887f891de1e2f183733648827", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4331bcf8457e9c885e7c17f33f1672f2224eafd887f891de1e2f183733648827", kill_on_drop: false }` [INFO] [stdout] 4331bcf8457e9c885e7c17f33f1672f2224eafd887f891de1e2f183733648827 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] d2cadef61314ab974590fbe1f8d3c7226e056d9fb86e14a55bb800d673964b8b [INFO] running `Command { std: "docker" "start" "-a" "d2cadef61314ab974590fbe1f8d3c7226e056d9fb86e14a55bb800d673964b8b", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.17 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking regex-syntax v0.7.2 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Checking home v0.5.3 [INFO] [stderr] Checking aho-corasick v1.0.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking regex v1.8.3 [INFO] [stderr] Checking toolchain_find v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `toolchain_find` is imported redundantly [INFO] [stdout] --> tests/integration.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use toolchain_find; [INFO] [stdout] | ^^^^^^^^^^^^^^ the item `toolchain_find` is already defined by prelude [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s [INFO] running `Command { std: "docker" "inspect" "d2cadef61314ab974590fbe1f8d3c7226e056d9fb86e14a55bb800d673964b8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2cadef61314ab974590fbe1f8d3c7226e056d9fb86e14a55bb800d673964b8b", kill_on_drop: false }` [INFO] [stdout] d2cadef61314ab974590fbe1f8d3c7226e056d9fb86e14a55bb800d673964b8b