[INFO] fetching crate enc 0.3.0...
[INFO] testing enc-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate enc 0.3.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate enc 0.3.0 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 enc 0.3.0
[INFO] finished tweaking crates.io crate enc 0.3.0
[INFO] tweaked toml for crates.io crate enc 0.3.0 written to /workspace/builds/worker-7/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e7387df10a5cba5c0f1374fe993bd0652c834b3f20c7bf756bc7d999d66b95de
[INFO] running `Command { std: "docker" "start" "-a" "e7387df10a5cba5c0f1374fe993bd0652c834b3f20c7bf756bc7d999d66b95de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7387df10a5cba5c0f1374fe993bd0652c834b3f20c7bf756bc7d999d66b95de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7387df10a5cba5c0f1374fe993bd0652c834b3f20c7bf756bc7d999d66b95de", kill_on_drop: false }`
[INFO] [stdout] e7387df10a5cba5c0f1374fe993bd0652c834b3f20c7bf756bc7d999d66b95de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9dfbde6654ff9b36c908f563acdd114dd8a8a9645272831db3bee7a3e07629b2
[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" "9dfbde6654ff9b36c908f563acdd114dd8a8a9645272831db3bee7a3e07629b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling enc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/decoding.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/lower.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/upper.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "9dfbde6654ff9b36c908f563acdd114dd8a8a9645272831db3bee7a3e07629b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dfbde6654ff9b36c908f563acdd114dd8a8a9645272831db3bee7a3e07629b2", kill_on_drop: false }`
[INFO] [stdout] 9dfbde6654ff9b36c908f563acdd114dd8a8a9645272831db3bee7a3e07629b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d626f874992bf4df128b552d6c58933db5029cddae8e3ca357bc38086a035dce
[INFO] running `Command { std: "docker" "start" "-a" "d626f874992bf4df128b552d6c58933db5029cddae8e3ca357bc38086a035dce", kill_on_drop: false }`
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/decoding.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling enc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/lower.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/upper.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/decoding.rs:81:16
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 81 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 81 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/lower.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/hex/encoding/upper.rs:43:16
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d626f874992bf4df128b552d6c58933db5029cddae8e3ca357bc38086a035dce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d626f874992bf4df128b552d6c58933db5029cddae8e3ca357bc38086a035dce", kill_on_drop: false }`
[INFO] [stdout] d626f874992bf4df128b552d6c58933db5029cddae8e3ca357bc38086a035dce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 1ac27e09e688140989ed7ed64696bae93375a593d2bc92c1e38e5a07fc3a80d4
[INFO] running `Command { std: "docker" "start" "-a" "1ac27e09e688140989ed7ed64696bae93375a593d2bc92c1e38e5a07fc3a80d4", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/hex/decoding.rs:81:16
[INFO] [stderr]    |
[INFO] [stderr] 81 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 81 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 81 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/hex/encoding/lower.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/hex/encoding/upper.rs:43:16
[INFO] [stderr]    |
[INFO] [stderr] 43 |         panic!(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this usage of panic!() 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] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 43 |         panic!("{}", INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |                ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 43 |         std::panic::panic_any(INSUFFICIENT_TARGET_SPACE);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `enc` (lib) generated 3 warnings
[INFO] [stderr] warning: `enc` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/enc-3a1af1204adb93b5)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test percent::encoding::encoded_length_usize_tests::test_encoded_length_usize ... ok
[INFO] [stdout] test hex::decoding::decode_tests::test_decode_panics - should panic ... ok
[INFO] [stdout] test hex::encoding::encoded_length_usize_tests::test_encoded_length_usize_panics - should panic ... ok
[INFO] [stdout] test percent::decoding::tests::test_decode_panics - should panic ... ok
[INFO] [stdout] test percent::encoding::tests::test_encode_lower_panics - should panic ... ok
[INFO] [stdout] test percent::encoding::encoded_length_usize_tests::test_encoded_length_usize_panics2 - should panic ... ok
[INFO] [stdout] test hex::encoding::lower::encode_lower_tests::test_encode_lower_panics - should panic ... ok
[INFO] [stdout] test percent::encoding::encoded_length_usize_tests::test_encoded_length_usize_panics1 - should panic ... ok
[INFO] [stdout] test hex::encoding::upper::encode_upper_tests::test_encode_upper_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests enc
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/percent/decoding.rs - percent::decoding::decoded_length (line 4) ... ok
[INFO] [stdout] test src/percent/encoding.rs - percent::encoding::needs_encoding (line 6) ... ok
[INFO] [stdout] test src/hex/encoding/mod.rs - hex::encoding::encoded_length (line 32) ... ok
[INFO] [stdout] test src/hex/decoding.rs - hex::decoding::decode_byte (line 7) ... ok
[INFO] [stdout] test src/hex/validating.rs - hex::validating::is_valid_char (line 5) ... ok
[INFO] [stdout] test src/percent/validating.rs - percent::validating::is_valid (line 4) ... ok
[INFO] [stdout] test src/percent/encoding.rs - percent::encoding::encode (line 95) ... ok
[INFO] [stdout] test src/percent/encoding.rs - percent::encoding::encoded_length (line 72) ... ok
[INFO] [stdout] test src/hex/encoding/upper.rs - hex::encoding::upper::encode_upper (line 27) ... ok
[INFO] [stdout] test src/hex/validating.rs - hex::validating::is_valid (line 31) ... ok
[INFO] [stdout] test src/hex/encoding/lower.rs - hex::encoding::lower::encode_byte_lower (line 6) ... ok
[INFO] [stdout] test src/hex/encoding/lower.rs - hex::encoding::lower::encode_lower (line 27) ... ok
[INFO] [stdout] test src/percent/decoding.rs - percent::decoding::decode (line 41) ... ok
[INFO] [stdout] test src/hex/encoding/upper.rs - hex::encoding::upper::encode_byte_upper (line 6) ... ok
[INFO] [stdout] test src/hex/decoding.rs - hex::decoding::decoded_length (line 33) ... ok
[INFO] [stdout] test src/hex/decoding.rs - hex::decoding::decode (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1ac27e09e688140989ed7ed64696bae93375a593d2bc92c1e38e5a07fc3a80d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac27e09e688140989ed7ed64696bae93375a593d2bc92c1e38e5a07fc3a80d4", kill_on_drop: false }`
[INFO] [stdout] 1ac27e09e688140989ed7ed64696bae93375a593d2bc92c1e38e5a07fc3a80d4