[INFO] fetching crate md5-img 0.1.3...
[INFO] testing md5-img-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate md5-img 0.1.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate md5-img 0.1.3 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md5-img 0.1.3
[INFO] finished tweaking crates.io crate md5-img 0.1.3
[INFO] tweaked toml for crates.io crate md5-img 0.1.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bmp v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8a971658135b7858b407041aa27321fead01a33b68c72eff4a076f72a1f464
[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" "3b8a971658135b7858b407041aa27321fead01a33b68c72eff4a076f72a1f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8a971658135b7858b407041aa27321fead01a33b68c72eff4a076f72a1f464", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8a971658135b7858b407041aa27321fead01a33b68c72eff4a076f72a1f464", kill_on_drop: false }`
[INFO] [stdout] 3b8a971658135b7858b407041aa27321fead01a33b68c72eff4a076f72a1f464
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 309e345919bab9fb65a7cf95b5195e36c5b67d65311b224c65ab434b88fb7d0c
[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" "309e345919bab9fb65a7cf95b5195e36c5b67d65311b224c65ab434b88fb7d0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling bmp v0.3.0
[INFO] [stderr]    Compiling md5-img v0.1.3 (/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/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in digest.0.into_iter().enumerate() {
[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 issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in digest.0.iter().enumerate() {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in IntoIterator::into_iter(digest.0).enumerate() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.04s
[INFO] running `Command { std: "docker" "inspect" "309e345919bab9fb65a7cf95b5195e36c5b67d65311b224c65ab434b88fb7d0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "309e345919bab9fb65a7cf95b5195e36c5b67d65311b224c65ab434b88fb7d0c", kill_on_drop: false }`
[INFO] [stdout] 309e345919bab9fb65a7cf95b5195e36c5b67d65311b224c65ab434b88fb7d0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0049bf39e3c0fc5d60041c0bd94c4df5cfbbac29f6d6afb8f13d419bcb094fae
[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" "0049bf39e3c0fc5d60041c0bd94c4df5cfbbac29f6d6afb8f13d419bcb094fae", kill_on_drop: false }`
[INFO] [stderr]    Compiling md5-img v0.1.3 (/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/main.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in digest.0.into_iter().enumerate() {
[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 issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in digest.0.iter().enumerate() {
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 11 |     for (i, &data) in IntoIterator::into_iter(digest.0).enumerate() {
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^        ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "0049bf39e3c0fc5d60041c0bd94c4df5cfbbac29f6d6afb8f13d419bcb094fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0049bf39e3c0fc5d60041c0bd94c4df5cfbbac29f6d6afb8f13d419bcb094fae", kill_on_drop: false }`
[INFO] [stdout] 0049bf39e3c0fc5d60041c0bd94c4df5cfbbac29f6d6afb8f13d419bcb094fae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", 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] 3a376c5c7f041f10ec538559f996afc1193968336c770a7934651f38193cec3a
[INFO] running `Command { std: "docker" "start" "-a" "3a376c5c7f041f10ec538559f996afc1193968336c770a7934651f38193cec3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] 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] [stderr]   --> src/main.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for (i, &data) in digest.0.into_iter().enumerate() {
[INFO] [stderr]    |                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]    = warning: this changes meaning in Rust 2021
[INFO] [stderr]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for (i, &data) in digest.0.iter().enumerate() {
[INFO] [stderr]    |                                ^^^^
[INFO] [stderr] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for (i, &data) in IntoIterator::into_iter(digest.0).enumerate() {
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^        ^
[INFO] [stderr] 
[INFO] [stderr] warning: `md5-img` (bin "md5-img" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/md5_img-5027f526a9686dd2)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3a376c5c7f041f10ec538559f996afc1193968336c770a7934651f38193cec3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a376c5c7f041f10ec538559f996afc1193968336c770a7934651f38193cec3a", kill_on_drop: false }`
[INFO] [stdout] 3a376c5c7f041f10ec538559f996afc1193968336c770a7934651f38193cec3a