[INFO] fetching crate lazyf 0.1.4...
[INFO] checking lazyf-0.1.4 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate lazyf 0.1.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lazyf 0.1.4 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lazyf 0.1.4
[INFO] finished tweaking crates.io crate lazyf 0.1.4
[INFO] tweaked toml for crates.io crate lazyf 0.1.4 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbe55b810d5b11bb791d2c76bdd3da217ae7be9fd6a595d347dc10bf567fc87
[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" "2cbe55b810d5b11bb791d2c76bdd3da217ae7be9fd6a595d347dc10bf567fc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbe55b810d5b11bb791d2c76bdd3da217ae7be9fd6a595d347dc10bf567fc87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbe55b810d5b11bb791d2c76bdd3da217ae7be9fd6a595d347dc10bf567fc87", kill_on_drop: false }`
[INFO] [stdout] 2cbe55b810d5b11bb791d2c76bdd3da217ae7be9fd6a595d347dc10bf567fc87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec04b32c09c1aea392f05355f9975e0cb032280137449799480e4e0da0641994
[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" "ec04b32c09c1aea392f05355f9975e0cb032280137449799480e4e0da0641994", kill_on_drop: false }`
[INFO] [stderr]     Checking lazyf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/flag.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn ss_get(s:&str, iter:&mut Iterator<Item=String>)->Option<String>{
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/cfg.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brace.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn replace(s:&str,f:&Fn(&str)->String)->String{
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str)->String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/flag.rs:11:33
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn ss_get(s:&str, iter:&mut Iterator<Item=String>)->Option<String>{
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=String>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/cfg.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/brace.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn replace(s:&str,f:&Fn(&str)->String)->String{
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str)->String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/lzlist.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let a = a.trim_left();
[INFO] [stdout]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stdout]   --> src/lzlist.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let a = a.trim_left();
[INFO] [stdout]    |                       ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 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]   --> src/tests.rs:17:38
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let r = flag::ss_get("-a",&mut v.into_iter().map(|&a|String::from(a)));
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ec04b32c09c1aea392f05355f9975e0cb032280137449799480e4e0da0641994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec04b32c09c1aea392f05355f9975e0cb032280137449799480e4e0da0641994", kill_on_drop: false }`
[INFO] [stdout] ec04b32c09c1aea392f05355f9975e0cb032280137449799480e4e0da0641994
