[INFO] fetching crate sloop 1.0.0...
[INFO] testing sloop-1.0.0 against master#404c8471aba60c2d837fa728e7c729a0f52d5830 for pr-87041-1
[INFO] extracting crate sloop 1.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate sloop 1.0.0 on toolchain 404c8471aba60c2d837fa728e7c729a0f52d5830
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sloop 1.0.0
[INFO] finished tweaking crates.io crate sloop 1.0.0
[INFO] tweaked toml for crates.io crate sloop 1.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate sloop 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80eddf68ea99c9aa26e6d0b4ab8987d56532f02259064f282398a4d29c2e0547
[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" "80eddf68ea99c9aa26e6d0b4ab8987d56532f02259064f282398a4d29c2e0547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80eddf68ea99c9aa26e6d0b4ab8987d56532f02259064f282398a4d29c2e0547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80eddf68ea99c9aa26e6d0b4ab8987d56532f02259064f282398a4d29c2e0547", kill_on_drop: false }`
[INFO] [stdout] 80eddf68ea99c9aa26e6d0b4ab8987d56532f02259064f282398a4d29c2e0547
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "build" "--frozen" "--message-format=json", 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] daf3e63c197d6ce447c763ceaf75ffe4b451ffb8b3ef60fc7bceb4d53df808f1
[INFO] running `Command { std: "docker" "start" "-a" "daf3e63c197d6ce447c763ceaf75ffe4b451ffb8b3ef60fc7bceb4d53df808f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
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[INFO] [stderr]    Compiling openssl-sys v0.9.52
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[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.19
[INFO] [stderr]    Compiling string v0.2.1
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[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling tokio-process v0.2.4
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling structopt v0.3.3
[INFO] [stderr]    Compiling quick-xml v0.14.0
[INFO] [stderr]    Compiling rss v1.8.0
[INFO] [stderr]    Compiling chrono v0.4.9
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling rusoto_credential v0.41.1
[INFO] [stderr]    Compiling rusoto_s3 v0.41.0
[INFO] [stderr]    Compiling sloop v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 01s
[INFO] running `Command { std: "docker" "inspect" "daf3e63c197d6ce447c763ceaf75ffe4b451ffb8b3ef60fc7bceb4d53df808f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf3e63c197d6ce447c763ceaf75ffe4b451ffb8b3ef60fc7bceb4d53df808f1", kill_on_drop: false }`
[INFO] [stdout] daf3e63c197d6ce447c763ceaf75ffe4b451ffb8b3ef60fc7bceb4d53df808f1
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966042f6c5785fc1dec1e1ecee8c4aeef1840edd0a830137093f75c8bfef73b5
[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" "966042f6c5785fc1dec1e1ecee8c4aeef1840edd0a830137093f75c8bfef73b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlparser v0.10.0
[INFO] [stderr]    Compiling roxmltree v0.7.1
[INFO] [stderr]    Compiling sloop v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/feed.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                 format!(
[INFO] [stdout] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 | |                     $needle, $haystack
[INFO] [stdout] 160 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 177 |           assert_contains!(feed, "<title>Feed Title 1</title>");
[INFO] [stdout]     |           ----------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                 
[INFO] [stdout] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 |                     $needle, $haystack
[INFO] [stdout] 160 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/feed.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                 format!(
[INFO] [stdout] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 | |                     $needle, $haystack
[INFO] [stdout] 160 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 178 |           assert_contains!(feed, "xmlns:itunes");
[INFO] [stdout]     |           -------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                 
[INFO] [stdout] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 |                     $needle, $haystack
[INFO] [stdout] 160 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/feed.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                 format!(
[INFO] [stdout] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 | |                     $needle, $haystack
[INFO] [stdout] 160 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 179 |           assert_contains!(feed, "<itunes:block>Yes</itunes:block>");
[INFO] [stdout]     |           ---------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                 
[INFO] [stdout] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 |                     $needle, $haystack
[INFO] [stdout] 160 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/feed.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                 format!(
[INFO] [stdout] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 | |                     $needle, $haystack
[INFO] [stdout] 160 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 180 | /         assert_contains!(
[INFO] [stdout] 181 | |             feed,
[INFO] [stdout] 182 | |             "url=\"https://eg.test/file1.mp3\" length=\"6\" type=\"audio/mpeg\""
[INFO] [stdout] 183 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                 
[INFO] [stdout] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 |                     $needle, $haystack
[INFO] [stdout] 160 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/feed.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 | /                 format!(
[INFO] [stdout] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 | |                     $needle, $haystack
[INFO] [stdout] 160 | |                 )
[INFO] [stdout]     | |_________________^
[INFO] [stdout] ...
[INFO] [stdout] 184 |           assert_contains!(feed, "<title>file1</title>");
[INFO] [stdout]     |           ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 157 ~                 
[INFO] [stdout] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stdout] 159 |                     $needle, $haystack
[INFO] [stdout] 160 ~                 
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.43s
[INFO] running `Command { std: "docker" "inspect" "966042f6c5785fc1dec1e1ecee8c4aeef1840edd0a830137093f75c8bfef73b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966042f6c5785fc1dec1e1ecee8c4aeef1840edd0a830137093f75c8bfef73b5", kill_on_drop: false }`
[INFO] [stdout] 966042f6c5785fc1dec1e1ecee8c4aeef1840edd0a830137093f75c8bfef73b5
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+404c8471aba60c2d837fa728e7c729a0f52d5830" "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] 3870ffaa1b190c120b5c671cb4adf5790773d7cf5f36de6de395388d773d00da
[INFO] running `Command { std: "docker" "start" "-a" "3870ffaa1b190c120b5c671cb4adf5790773d7cf5f36de6de395388d773d00da", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/feed.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                 format!(
[INFO] [stderr] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 | |                     $needle, $haystack
[INFO] [stderr] 160 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 177 |           assert_contains!(feed, "<title>Feed Title 1</title>");
[INFO] [stderr]     |           ----------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                 
[INFO] [stderr] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 |                     $needle, $haystack
[INFO] [stderr] 160 ~                 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/feed.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                 format!(
[INFO] [stderr] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 | |                     $needle, $haystack
[INFO] [stderr] 160 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 178 |           assert_contains!(feed, "xmlns:itunes");
[INFO] [stderr]     |           -------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                 
[INFO] [stderr] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 |                     $needle, $haystack
[INFO] [stderr] 160 ~                 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/feed.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                 format!(
[INFO] [stderr] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 | |                     $needle, $haystack
[INFO] [stderr] 160 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 179 |           assert_contains!(feed, "<itunes:block>Yes</itunes:block>");
[INFO] [stderr]     |           ---------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                 
[INFO] [stderr] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 |                     $needle, $haystack
[INFO] [stderr] 160 ~                 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/feed.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                 format!(
[INFO] [stderr] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 | |                     $needle, $haystack
[INFO] [stderr] 160 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 180 | /         assert_contains!(
[INFO] [stderr] 181 | |             feed,
[INFO] [stderr] 182 | |             "url=\"https://eg.test/file1.mp3\" length=\"6\" type=\"audio/mpeg\""
[INFO] [stderr] 183 | |         );
[INFO] [stderr]     | |_________- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                 
[INFO] [stderr] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 |                     $needle, $haystack
[INFO] [stderr] 160 ~                 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/feed.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 | /                 format!(
[INFO] [stderr] 158 | |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 | |                     $needle, $haystack
[INFO] [stderr] 160 | |                 )
[INFO] [stderr]     | |_________________^
[INFO] [stderr] ...
[INFO] [stderr] 184 |           assert_contains!(feed, "<title>file1</title>");
[INFO] [stderr]     |           ---------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr]     = note: this warning originates in the macro `assert_contains` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 157 ~                 
[INFO] [stderr] 158 |                     "expected string to contain \"{}\", got:\n\n{}\n\n",
[INFO] [stderr] 159 |                     $needle, $haystack
[INFO] [stderr] 160 ~                 
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `sloop` (bin "sloop" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sloop-508a33836d65b543)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test feed::tests::handles_special_chars_in_filenames ... ok
[INFO] [stdout] test upload::tests::constructs_url_for_file ... ok
[INFO] [stdout] test feed::tests::outputs_correct_mime_type ... ok
[INFO] [stdout] test feed::tests::generates_xml_for_files ... ok
[INFO] [stdout] test upload::tests::base_url_returns_url_for_bucket ... ok
[INFO] [stdout] test feed::tests::pub_dates_go_in_reverse ... ok
[INFO] [stdout] test feed::tests::returns_error_if_file_does_not_exist ... ok
[INFO] [stdout] test upload::tests::throws_for_bucket_already_exists ... ok
[INFO] [stdout] test feed::tests::replaces_underscores_with_spaces_in_title ... ok
[INFO] [stdout] test upload::tests::sets_bucket_policy_to_public ... ok
[INFO] [stdout] test upload::tests::uploads_files_in_directory ... ok
[INFO] [stdout] test upload::tests::creates_an_s3_bucket ... ok
[INFO] [stdout] test upload::tests::handles_bucket_already_owned_by_user ... ok
[INFO] [stdout] test upload::tests::returns_error_if_setting_bucket_policy_fails ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3870ffaa1b190c120b5c671cb4adf5790773d7cf5f36de6de395388d773d00da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3870ffaa1b190c120b5c671cb4adf5790773d7cf5f36de6de395388d773d00da", kill_on_drop: false }`
[INFO] [stdout] 3870ffaa1b190c120b5c671cb4adf5790773d7cf5f36de6de395388d773d00da