[INFO] fetching crate find-file 2.0.0...
[INFO] checking find-file-2.0.0 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate find-file 2.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate find-file 2.0.0 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate find-file 2.0.0
[INFO] finished tweaking crates.io crate find-file 2.0.0
[INFO] tweaked toml for crates.io crate find-file 2.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e238175b5494f37692960bf889621701a6976fbf3730428289703413988d227e
[INFO] running `Command { std: "docker" "start" "-a" "e238175b5494f37692960bf889621701a6976fbf3730428289703413988d227e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e238175b5494f37692960bf889621701a6976fbf3730428289703413988d227e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e238175b5494f37692960bf889621701a6976fbf3730428289703413988d227e", kill_on_drop: false }`
[INFO] [stdout] e238175b5494f37692960bf889621701a6976fbf3730428289703413988d227e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4485243fdc29a152b9090f58938ea4e53f9f698f89be2a30a0cfaea15c3daa82
[INFO] running `Command { std: "docker" "start" "-a" "4485243fdc29a152b9090f58938ea4e53f9f698f89be2a30a0cfaea15c3daa82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking find-file v2.0.0 (/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/bin/find_file.rs:103:58
[INFO] [stdout]     |
[INFO] [stdout] 103 |         for dirname in [".", "upper", "middle", "lower"].into_iter() {
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 103 |         for dirname in [".", "upper", "middle", "lower"].iter() {
[INFO] [stdout]     |                                                          ~~~~
[INFO] [stdout] help: or remove `.into_iter()` to iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 103 -         for dirname in [".", "upper", "middle", "lower"].into_iter() {
[INFO] [stdout] 103 +         for dirname in [".", "upper", "middle", "lower"] {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/bin/select_file.rs:138:30
[INFO] [stdout]     |
[INFO] [stdout] 138 |             Err(e) => panic!(format!("Error! {}", e)),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 138 -             Err(e) => panic!(format!("Error! {}", e)),
[INFO] [stdout] 138 +             Err(e) => panic!("Error! {}", e),
[INFO] [stdout]     | 
[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 [unoptimized + debuginfo] target(s) in 25.24s
[INFO] running `Command { std: "docker" "inspect" "4485243fdc29a152b9090f58938ea4e53f9f698f89be2a30a0cfaea15c3daa82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4485243fdc29a152b9090f58938ea4e53f9f698f89be2a30a0cfaea15c3daa82", kill_on_drop: false }`
[INFO] [stdout] 4485243fdc29a152b9090f58938ea4e53f9f698f89be2a30a0cfaea15c3daa82