[INFO] cloning repository https://github.com/mmstick/permutate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mmstick/permutate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fpermutate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fpermutate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a212470f14b540dd55bbc676a71e8e558aeb77a6
[INFO] checking mmstick/permutate against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmstick%2Fpermutate" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mmstick/permutate on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmstick/permutate
[INFO] finished tweaking git repo https://github.com/mmstick/permutate
[INFO] tweaked toml for git repo https://github.com/mmstick/permutate written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mmstick/permutate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /workspace/builds/worker-2/source/src/bin/buffer.rs
[INFO] [stderr] * /workspace/builds/worker-2/source/src/bin/arguments.rs
[INFO] [stderr] * /workspace/builds/worker-2/source/src/bin/man.rs
[INFO] [stderr] * /workspace/builds/worker-2/source/src/bin/mod.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 binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56b0fe5b3eb8be77267dcd5089b4efa6c2b6b2270e75adceeef0fa0a5743939
[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" "c56b0fe5b3eb8be77267dcd5089b4efa6c2b6b2270e75adceeef0fa0a5743939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56b0fe5b3eb8be77267dcd5089b4efa6c2b6b2270e75adceeef0fa0a5743939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56b0fe5b3eb8be77267dcd5089b4efa6c2b6b2270e75adceeef0fa0a5743939", kill_on_drop: false }`
[INFO] [stdout] c56b0fe5b3eb8be77267dcd5089b4efa6c2b6b2270e75adceeef0fa0a5743939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8a0411c2f77245eb2e17970541e6c45edd9932b5292a254d5ed6c63a6411cb0
[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" "b8a0411c2f77245eb2e17970541e6c45edd9932b5292a254d5ed6c63a6411cb0", kill_on_drop: false }`
[INFO] [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
[INFO] [stderr] disables Cargo from automatically inferring other binary targets.
[INFO] [stderr] This inference behavior will change in the Rust 2018 edition and the following
[INFO] [stderr] files will be included as a binary target:
[INFO] [stderr] 
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/buffer.rs
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/arguments.rs
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/man.rs
[INFO] [stderr] * /opt/rustwide/workdir/src/bin/mod.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 binary target today. You can future-proof yourself
[INFO] [stderr] and disable this warning by adding `autobins = 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking permutate v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   for argument in try!(file_parse(&current_argument)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:147:29
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for argument in try!(file_parse(&current_argument)) {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(fs::File::open(path)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]     Checking tinytemplate v1.0.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:124:45
[INFO] [stdout]     |
[INFO] [stdout] 124 | ...                   for argument in try!(file_parse(&current_argument)) {
[INFO] [stdout]     |                                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:147:29
[INFO] [stdout]     |
[INFO] [stdout] 147 |             for argument in try!(file_parse(&current_argument)) {
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/bin/arguments.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(fs::File::open(path)
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> benches/my_benchmark.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 |         .into_iter()
[INFO] [stdout]    |          ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.45s
[INFO] running `Command { std: "docker" "inspect" "b8a0411c2f77245eb2e17970541e6c45edd9932b5292a254d5ed6c63a6411cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a0411c2f77245eb2e17970541e6c45edd9932b5292a254d5ed6c63a6411cb0", kill_on_drop: false }`
[INFO] [stdout] b8a0411c2f77245eb2e17970541e6c45edd9932b5292a254d5ed6c63a6411cb0