[INFO] cloning repository https://github.com/fulara/prep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fulara/prep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulara%2Fprep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulara%2Fprep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 278a97e535dfd84a5a8463ed57a2845c4a094007
[INFO] checking fulara/prep against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulara%2Fprep" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fulara/prep on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fulara/prep
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/fulara/prep
[INFO] tweaked toml for git repo https://github.com/fulara/prep written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fulara/prep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-0/source/tests/common.rs
[INFO] [stderr] * /workspace/builds/worker-0/source/tests/piping.rs
[INFO] [stderr] * /workspace/builds/worker-0/source/tests/test_simple_replace.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Updating git repository `https://github.com/fulara/regex`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v1.5.2
[INFO] [stderr]   Downloaded itertools v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fe5c6206ff111201c8b1cb6dd3f251f32180543cf5e6e2f7056706997e0aab8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4fe5c6206ff111201c8b1cb6dd3f251f32180543cf5e6e2f7056706997e0aab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fe5c6206ff111201c8b1cb6dd3f251f32180543cf5e6e2f7056706997e0aab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fe5c6206ff111201c8b1cb6dd3f251f32180543cf5e6e2f7056706997e0aab8", kill_on_drop: false }`
[INFO] [stdout] 4fe5c6206ff111201c8b1cb6dd3f251f32180543cf5e6e2f7056706997e0aab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a689e0a0174e8e46954fbf2cc91d272ac03fb02ee00806dd04f0a59fa5e8756a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a689e0a0174e8e46954fbf2cc91d272ac03fb02ee00806dd04f0a59fa5e8756a", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[test]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other test targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a test target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/tests/common.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/piping.rs
[INFO] [stderr] * /opt/rustwide/workdir/tests/test_simple_replace.rs
[INFO] [stderr] 
[INFO] [stderr] This is likely to break cargo build or cargo test as these files may not be
[INFO] [stderr] ready to be compiled as a test target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autotests = false` to your [package]
[INFO] [stderr] section. You may also move the files to a location where Cargo would not
[INFO] [stderr] automatically infer them to be a target, such as in subfolders.
[INFO] [stderr] 
[INFO] [stderr] For more information on this warning you can consult
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/5330
[INFO] [stderr]     Checking libc v0.2.26
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.4.1 (https://github.com/fulara/regex?branch=applied-fixes#1de252ce)
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking colored v1.5.2
[INFO] [stderr]     Checking itertools v0.6.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]     Checking getch v0.1.1
[INFO] [stderr]     Checking regex v0.2.2 (https://github.com/fulara/regex?branch=applied-fixes#1de252ce)
[INFO] [stderr]     Checking prep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interactor.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn ask_user_impl(about: &str, interactor: &mut Interactor) -> InteractionResult {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: use `dyn`: `dyn Interactor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs_walker.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     it: Box<::std::iter::Iterator<Item = ::std::path::PathBuf> + 'a>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::iter::Iterator<Item = ::std::path::PathBuf> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/interactor.rs:16:48
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn ask_user_impl(about: &str, interactor: &mut Interactor) -> InteractionResult {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: use `dyn`: `dyn Interactor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fs_walker.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     it: Box<::std::iter::Iterator<Item = ::std::path::PathBuf> + 'a>,
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ::std::iter::Iterator<Item = ::std::path::PathBuf> + 'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dir`
[INFO] [stdout]   --> tests/common.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     Dir(PathBuf),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `td`
[INFO] [stdout]   --> tests/common.rs:69:8
[INFO] [stdout]    |
[INFO] [stdout] 69 | pub fn td<P: AsRef<Path>>(p: P) -> FsEntity {
[INFO] [stdout]    |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.68s
[INFO] running `Command { std: "docker" "inspect" "a689e0a0174e8e46954fbf2cc91d272ac03fb02ee00806dd04f0a59fa5e8756a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a689e0a0174e8e46954fbf2cc91d272ac03fb02ee00806dd04f0a59fa5e8756a", kill_on_drop: false }`
[INFO] [stdout] a689e0a0174e8e46954fbf2cc91d272ac03fb02ee00806dd04f0a59fa5e8756a