[INFO] crate utf 0.1.5 is already in cache
[INFO] testing utf-0.1.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate utf 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate utf 0.1.5 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 utf 0.1.5
[INFO] finished tweaking crates.io crate utf 0.1.5
[INFO] tweaked toml for crates.io crate utf 0.1.5 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9f262f07e6feda356e3a9dbf54d989e3c5ff07d003ddcc69948fedf381a9e36a
[INFO] running `Command { std: "docker" "start" "-a" "9f262f07e6feda356e3a9dbf54d989e3c5ff07d003ddcc69948fedf381a9e36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f262f07e6feda356e3a9dbf54d989e3c5ff07d003ddcc69948fedf381a9e36a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f262f07e6feda356e3a9dbf54d989e3c5ff07d003ddcc69948fedf381a9e36a", kill_on_drop: false }`
[INFO] [stdout] 9f262f07e6feda356e3a9dbf54d989e3c5ff07d003ddcc69948fedf381a9e36a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0919e0dfe82d46df81d200fbd94ca697fa8774d571a45ecf2feb23ee8cbb21cf
[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" "0919e0dfe82d46df81d200fbd94ca697fa8774d571a45ecf2feb23ee8cbb21cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: static variable `ls` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "0919e0dfe82d46df81d200fbd94ca697fa8774d571a45ecf2feb23ee8cbb21cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0919e0dfe82d46df81d200fbd94ca697fa8774d571a45ecf2feb23ee8cbb21cf", kill_on_drop: false }`
[INFO] [stdout] 0919e0dfe82d46df81d200fbd94ca697fa8774d571a45ecf2feb23ee8cbb21cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a52fdb84edb529f1c98683e3ff32876c21dd3d6174df3e60a7c4251a7fc440bd
[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" "a52fdb84edb529f1c98683e3ff32876c21dd3d6174df3e60a7c4251a7fc440bd", kill_on_drop: false }`
[INFO] [stdout] warning: static variable `ls` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling utf v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning 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/lib.rs:117:60
[INFO] [stdout]     |
[INFO] [stdout] 117 |                        ("�A", &[0xFFu8, 0x41u8] as &[u8])].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: static variable `ls` should have an upper case name
[INFO] [stdout]   --> src/lib.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stdout]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "a52fdb84edb529f1c98683e3ff32876c21dd3d6174df3e60a7c4251a7fc440bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52fdb84edb529f1c98683e3ff32876c21dd3d6174df3e60a7c4251a7fc440bd", kill_on_drop: false }`
[INFO] [stdout] a52fdb84edb529f1c98683e3ff32876c21dd3d6174df3e60a7c4251a7fc440bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ac64e92572b0a4fdc7e62978d8107e6f64cf2f943f172358e7e31dd730889792
[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" "ac64e92572b0a4fdc7e62978d8107e6f64cf2f943f172358e7e31dd730889792", kill_on_drop: false }`
[INFO] [stderr] 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] [stderr]    --> src/lib.rs:117:60
[INFO] [stderr]     |
[INFO] [stderr] 117 |                        ("�A", &[0xFFu8, 0x41u8] as &[u8])].into_iter() {
[INFO] [stderr]     |                                                            ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ls` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stderr]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `ls` should have an upper case name
[INFO] [stderr]   --> src/lib.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |         static ls: [Fin7; 33] = [F0, F6, F6, F6, F6, F6, F5, F5,
[INFO] [stderr]    |                ^^ help: convert the identifier to upper case: `LS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/utf-256cad40cb521eba
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests utf
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac64e92572b0a4fdc7e62978d8107e6f64cf2f943f172358e7e31dd730889792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac64e92572b0a4fdc7e62978d8107e6f64cf2f943f172358e7e31dd730889792", kill_on_drop: false }`
[INFO] [stdout] ac64e92572b0a4fdc7e62978d8107e6f64cf2f943f172358e7e31dd730889792