[INFO] cloning repository https://github.com/spk/karaorust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spk/karaorust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1923cf7d7e9aa81f664e11471ee7ae42c980f93
[INFO] testing spk/karaorust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspk%2Fkaraorust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spk/karaorust 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 git repo https://github.com/spk/karaorust
[INFO] finished tweaking git repo https://github.com/spk/karaorust
[INFO] tweaked toml for git repo https://github.com/spk/karaorust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/spk/karaorust already has a lockfile, it will not be regenerated
[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 combine v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b8e7ff40c01cd95cf0a5308d8cc7498abd7b9c4f2f2cf90838a84db0e72a87bd
[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" "b8e7ff40c01cd95cf0a5308d8cc7498abd7b9c4f2f2cf90838a84db0e72a87bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8e7ff40c01cd95cf0a5308d8cc7498abd7b9c4f2f2cf90838a84db0e72a87bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8e7ff40c01cd95cf0a5308d8cc7498abd7b9c4f2f2cf90838a84db0e72a87bd", kill_on_drop: false }`
[INFO] [stdout] b8e7ff40c01cd95cf0a5308d8cc7498abd7b9c4f2f2cf90838a84db0e72a87bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 778fb9ed87a22a5464c5b03099a6e2fbba6bf9f94885c8c0ca69e67c8090d934
[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" "778fb9ed87a22a5464c5b03099a6e2fbba6bf9f94885c8c0ca69e67c8090d934", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine v1.2.1
[INFO] [stderr]    Compiling karaorust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:62
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:55
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `Command { std: "docker" "inspect" "778fb9ed87a22a5464c5b03099a6e2fbba6bf9f94885c8c0ca69e67c8090d934", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778fb9ed87a22a5464c5b03099a6e2fbba6bf9f94885c8c0ca69e67c8090d934", kill_on_drop: false }`
[INFO] [stdout] 778fb9ed87a22a5464c5b03099a6e2fbba6bf9f94885c8c0ca69e67c8090d934
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 0b58e2f054bd0e1527e51643337511de80969147eeb7f83aeb8a731df58a7faf
[INFO] running `Command { std: "docker" "start" "-a" "0b58e2f054bd0e1527e51643337511de80969147eeb7f83aeb8a731df58a7faf", kill_on_drop: false }`
[INFO] [stderr]    Compiling karaorust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:62
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:55
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `karaorust::parse_karaoke_file`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use karaorust::parse_karaoke_file;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/parser/mod.rs:94:62
[INFO] [stdout]    |
[INFO] [stdout] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:103:62
[INFO] [stdout]     |
[INFO] [stdout] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stdout]     |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/parser/mod.rs:126:55
[INFO] [stdout]     |
[INFO] [stdout] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stdout]     |                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:35:50
[INFO] [stdout]    |
[INFO] [stdout] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/parser/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 text: text.trim_right().to_string(),
[INFO] [stdout]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "0b58e2f054bd0e1527e51643337511de80969147eeb7f83aeb8a731df58a7faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b58e2f054bd0e1527e51643337511de80969147eeb7f83aeb8a731df58a7faf", kill_on_drop: false }`
[INFO] [stdout] 0b58e2f054bd0e1527e51643337511de80969147eeb7f83aeb8a731df58a7faf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 317cb8b5fcecddd4744e622bb25b8f2a75b4a7c9af7c8b397bb354d3cd6f9382
[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" "317cb8b5fcecddd4744e622bb25b8f2a75b4a7c9af7c8b397bb354d3cd6f9382", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/parser/mod.rs:94:62
[INFO] [stderr]    |
[INFO] [stderr] 94 |             println!("Couldn't open {}: {}", display, Error::description(&err));
[INFO] [stderr]    |                                                              ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:103:62
[INFO] [stderr]     |
[INFO] [stderr] 103 |             println!("Couldn't read {}: {}", display, Error::description(&err));
[INFO] [stderr]     |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]    --> src/parser/mod.rs:126:55
[INFO] [stderr]     |
[INFO] [stderr] 126 |             println!("Couldn't read file: {}", Error::description(&err));
[INFO] [stderr]     |                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:35:50
[INFO] [stderr]    |
[INFO] [stderr] 35 |         .map(|(_, key, _, value, _)| (key, value.trim_right().to_string()))
[INFO] [stderr]    |                                                  ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stderr]   --> src/parser/mod.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 text: text.trim_right().to_string(),
[INFO] [stderr]    |                            ^^^^^^^^^^ help: replace the use of the deprecated associated function: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: `karaorust` (lib) generated 5 warnings
[INFO] [stderr] warning: `karaorust` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr] warning: unused import: `karaorust::parse_karaoke_file`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use karaorust::parse_karaoke_file;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `karaorust` (bin "karaorust" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/karaorust-f1e94f87dd3aec1b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_karaoke_simple ... ok
[INFO] [stdout] test tests::test_header_line ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/karaorust-37dd3fc94bf4b02a)
[INFO] [stdout] test tests::test_karaoke_complete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests karaorust
[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; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "317cb8b5fcecddd4744e622bb25b8f2a75b4a7c9af7c8b397bb354d3cd6f9382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317cb8b5fcecddd4744e622bb25b8f2a75b4a7c9af7c8b397bb354d3cd6f9382", kill_on_drop: false }`
[INFO] [stdout] 317cb8b5fcecddd4744e622bb25b8f2a75b4a7c9af7c8b397bb354d3cd6f9382