[INFO] cloning repository https://github.com/tronje/dir-prompt-helper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tronje/dir-prompt-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronje%2Fdir-prompt-helper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronje%2Fdir-prompt-helper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b8f1c993f12b74e7a4f3982053eaa295afe24f66 [INFO] checking tronje/dir-prompt-helper against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftronje%2Fdir-prompt-helper" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tronje/dir-prompt-helper on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tronje/dir-prompt-helper [INFO] finished tweaking git repo https://github.com/tronje/dir-prompt-helper [INFO] tweaked toml for git repo https://github.com/tronje/dir-prompt-helper written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/tronje/dir-prompt-helper already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9d0dfcd7f38a3ddf49e70cea4c10cb5f8453335fa4e54b140d096a3cc0d95643 [INFO] running `Command { std: "docker" "start" "-a" "9d0dfcd7f38a3ddf49e70cea4c10cb5f8453335fa4e54b140d096a3cc0d95643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9d0dfcd7f38a3ddf49e70cea4c10cb5f8453335fa4e54b140d096a3cc0d95643", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d0dfcd7f38a3ddf49e70cea4c10cb5f8453335fa4e54b140d096a3cc0d95643", kill_on_drop: false }` [INFO] [stdout] 9d0dfcd7f38a3ddf49e70cea4c10cb5f8453335fa4e54b140d096a3cc0d95643 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7fae5773c807d4d0c9a37929adc05d936beb537ac53e54d5e80544722b73a829 [INFO] running `Command { std: "docker" "start" "-a" "7fae5773c807d4d0c9a37929adc05d936beb537ac53e54d5e80544722b73a829", kill_on_drop: false }` [INFO] [stderr] Checking dir-prompt-helper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | .into_iter().collect::() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 44 | .iter().collect::() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 43 | IntoIterator::into_iter(['/', dir.chars().nth(0).unwrap(), dir.chars().nth(1).unwrap()]).collect::() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:47:37 [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => ['/', c].into_iter().collect::(), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => ['/', c].iter().collect::(), [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => IntoIterator::into_iter(['/', c]).collect::(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:44:18 [INFO] [stdout] | [INFO] [stdout] 44 | .into_iter().collect::() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 44 | .iter().collect::() [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 43 | IntoIterator::into_iter(['/', dir.chars().nth(0).unwrap(), dir.chars().nth(1).unwrap()]).collect::() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021. [INFO] [stdout] --> src/main.rs:47:37 [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => ['/', c].into_iter().collect::(), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => ['/', c].iter().collect::(), [INFO] [stdout] | ^^^^ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 47 | Some(c) => IntoIterator::into_iter(['/', c]).collect::(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.33s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7fae5773c807d4d0c9a37929adc05d936beb537ac53e54d5e80544722b73a829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fae5773c807d4d0c9a37929adc05d936beb537ac53e54d5e80544722b73a829", kill_on_drop: false }` [INFO] [stdout] 7fae5773c807d4d0c9a37929adc05d936beb537ac53e54d5e80544722b73a829