[INFO] fetching crate karaorust 0.0.1...
[INFO] testing karaorust-0.0.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate karaorust 0.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate karaorust 0.0.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate karaorust 0.0.1
[INFO] finished tweaking crates.io crate karaorust 0.0.1
[INFO] tweaked toml for crates.io crate karaorust 0.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 415034d29e0e2bba8fb75ae966cd4b940a9b0559274d53f0acc4cf22433de3b2
[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" "415034d29e0e2bba8fb75ae966cd4b940a9b0559274d53f0acc4cf22433de3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "415034d29e0e2bba8fb75ae966cd4b940a9b0559274d53f0acc4cf22433de3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "415034d29e0e2bba8fb75ae966cd4b940a9b0559274d53f0acc4cf22433de3b2", kill_on_drop: false }`
[INFO] [stdout] 415034d29e0e2bba8fb75ae966cd4b940a9b0559274d53f0acc4cf22433de3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] 4029842d50bffa15125538d1cc153c9d4e97b116180d8feb3a4d77a236474be0
[INFO] running `Command { std: "docker" "start" "-a" "4029842d50bffa15125538d1cc153c9d4e97b116180d8feb3a4d77a236474be0", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine v1.3.0
[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:90:62
[INFO] [stdout]    |
[INFO] [stdout] 90 |             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:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |             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:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |             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:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .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:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 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 3.63s
[INFO] running `Command { std: "docker" "inspect" "4029842d50bffa15125538d1cc153c9d4e97b116180d8feb3a4d77a236474be0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4029842d50bffa15125538d1cc153c9d4e97b116180d8feb3a4d77a236474be0", kill_on_drop: false }`
[INFO] [stdout] 4029842d50bffa15125538d1cc153c9d4e97b116180d8feb3a4d77a236474be0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f71d1b4f5be7eebc362e1d692a68208a7ad1b20d10c4c4c2e7f7a0a24f938a5
[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" "4f71d1b4f5be7eebc362e1d692a68208a7ad1b20d10c4c4c2e7f7a0a24f938a5", 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:90:62
[INFO] [stdout]    |
[INFO] [stdout] 90 |             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:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |             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:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |             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:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .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:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 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: `parse_karaoke_file`
[INFO] [stdout]  --> src/main.rs:6:18
[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:90:62
[INFO] [stdout]    |
[INFO] [stdout] 90 |             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:99:62
[INFO] [stdout]    |
[INFO] [stdout] 99 |             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:122:55
[INFO] [stdout]     |
[INFO] [stdout] 122 |             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:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 |         .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:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 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 2.80s
[INFO] running `Command { std: "docker" "inspect" "4f71d1b4f5be7eebc362e1d692a68208a7ad1b20d10c4c4c2e7f7a0a24f938a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f71d1b4f5be7eebc362e1d692a68208a7ad1b20d10c4c4c2e7f7a0a24f938a5", kill_on_drop: false }`
[INFO] [stdout] 4f71d1b4f5be7eebc362e1d692a68208a7ad1b20d10c4c4c2e7f7a0a24f938a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdd80aea599acfdf764cd5e90755a24fd18bd472b2f011208af5745897eda493
[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" "fdd80aea599acfdf764cd5e90755a24fd18bd472b2f011208af5745897eda493", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout] running 3 tests
[INFO] [stderr]   --> src/parser/mod.rs:90:62
[INFO] [stdout] test tests::test_header_line ... ok
[INFO] [stderr]    |
[INFO] [stderr] 90 |             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:99:62
[INFO] [stderr]    |
[INFO] [stderr] 99 |             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:122:55
[INFO] [stderr]     |
[INFO] [stderr] 122 |             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:34:50
[INFO] [stderr]    |
[INFO] [stderr] 34 |         .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:60:28
[INFO] [stderr]    |
[INFO] [stderr] 60 |                 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: `parse_karaoke_file`
[INFO] [stderr]  --> src/main.rs:6:18
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/karaorust-248896b78982900d)
[INFO] [stdout] test tests::test_karaoke_simple ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/karaorust-74478cf9c2da14ec)
[INFO] [stdout] test tests::test_karaoke_complete ... ok
[INFO] [stderr]    Doc-tests karaorust
[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] [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" "fdd80aea599acfdf764cd5e90755a24fd18bd472b2f011208af5745897eda493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd80aea599acfdf764cd5e90755a24fd18bd472b2f011208af5745897eda493", kill_on_drop: false }`
[INFO] [stdout] fdd80aea599acfdf764cd5e90755a24fd18bd472b2f011208af5745897eda493