[INFO] fetching crate barcode_command 0.1.1...
[INFO] testing barcode_command-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate barcode_command 0.1.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate barcode_command 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate barcode_command 0.1.1
[INFO] finished tweaking crates.io crate barcode_command 0.1.1
[INFO] tweaked toml for crates.io crate barcode_command 0.1.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate barcode_command 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1490036b442ab809b7ac47e318d9fca6379d5e7f8422cb2276d7de5be237954f
[INFO] running `Command { std: "docker" "start" "-a" "1490036b442ab809b7ac47e318d9fca6379d5e7f8422cb2276d7de5be237954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1490036b442ab809b7ac47e318d9fca6379d5e7f8422cb2276d7de5be237954f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1490036b442ab809b7ac47e318d9fca6379d5e7f8422cb2276d7de5be237954f", kill_on_drop: false }`
[INFO] [stdout] 1490036b442ab809b7ac47e318d9fca6379d5e7f8422cb2276d7de5be237954f
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8791b883c76399b2ad32a568a198fe932cc6adc66e1b7e3b3bf214ea1bee8068
[INFO] running `Command { std: "docker" "start" "-a" "8791b883c76399b2ad32a568a198fe932cc6adc66e1b7e3b3bf214ea1bee8068", kill_on_drop: false }`
[INFO] [stderr]    Compiling barcode_command v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/barcode/postnet.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     result = (10 - result);
[INFO] [stdout]    |                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     result = (10 - result);
[INFO] [stdout] 48 +                     result = 10 - result;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_result` is never read
[INFO] [stdout]   --> src/barcode/industrial2of5.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cd` is never read
[INFO] [stdout]   --> src/barcode/postnet.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut cd="".to_string();
[INFO] [stdout]    |                         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "8791b883c76399b2ad32a568a198fe932cc6adc66e1b7e3b3bf214ea1bee8068", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8791b883c76399b2ad32a568a198fe932cc6adc66e1b7e3b3bf214ea1bee8068", kill_on_drop: false }`
[INFO] [stdout] 8791b883c76399b2ad32a568a198fe932cc6adc66e1b7e3b3bf214ea1bee8068
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af2f39b9768ece3fc12f58c74b38b94715f63547d990c5c515a0dae59a642e92
[INFO] running `Command { std: "docker" "start" "-a" "af2f39b9768ece3fc12f58c74b38b94715f63547d990c5c515a0dae59a642e92", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/barcode/postnet.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     result = (10 - result);
[INFO] [stdout]    |                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     result = (10 - result);
[INFO] [stdout] 48 +                     result = 10 - result;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_result` is never read
[INFO] [stdout]   --> src/barcode/industrial2of5.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling barcode_command v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `cd` is never read
[INFO] [stdout]   --> src/barcode/postnet.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut cd="".to_string();
[INFO] [stdout]    |                         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/barcode/postnet.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     result = (10 - result);
[INFO] [stdout]    |                              ^           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -                     result = (10 - result);
[INFO] [stdout] 48 +                     result = 10 - result;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `str_result` is never read
[INFO] [stdout]   --> src/barcode/industrial2of5.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `cd` is never read
[INFO] [stdout]   --> src/barcode/postnet.rs:83:25
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 let mut cd="".to_string();
[INFO] [stdout]    |                         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "af2f39b9768ece3fc12f58c74b38b94715f63547d990c5c515a0dae59a642e92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af2f39b9768ece3fc12f58c74b38b94715f63547d990c5c515a0dae59a642e92", kill_on_drop: false }`
[INFO] [stdout] af2f39b9768ece3fc12f58c74b38b94715f63547d990c5c515a0dae59a642e92
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0648b74af6361cd4538d9eca2e26b849d0ce19bf3d9dcffa4873d2e306ac9b6
[INFO] running `Command { std: "docker" "start" "-a" "f0648b74af6361cd4538d9eca2e26b849d0ce19bf3d9dcffa4873d2e306ac9b6", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/barcode/postnet.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     result = (10 - result);
[INFO] [stderr]    |                              ^           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -                     result = (10 - result);
[INFO] [stderr] 48 +                     result = 10 - result;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `str_result` is never read
[INFO] [stderr]   --> src/barcode/industrial2of5.rs:25:25
[INFO] [stderr]    |
[INFO] [stderr] 25 |                 let mut str_result:String = "".to_string();
[INFO] [stderr]    |                         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `cd` is never read
[INFO] [stderr]   --> src/barcode/postnet.rs:83:25
[INFO] [stderr]    |
[INFO] [stderr] 83 |                 let mut cd="".to_string();
[INFO] [stderr]    |                         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `barcode_command` (lib) generated 3 warnings
[INFO] [stderr] warning: `barcode_command` (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/barcode_command-287bc1542ca3d6be)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/barcode_command-9ea49541e172142d)
[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] [stderr]    Doc-tests barcode_command
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/barcode/postnet.rs:48:30
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     result = (10 - result);
[INFO] [stderr]    |                              ^           ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -                     result = (10 - result);
[INFO] [stderr] 48 +                     result = 10 - result;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[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" "f0648b74af6361cd4538d9eca2e26b849d0ce19bf3d9dcffa4873d2e306ac9b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0648b74af6361cd4538d9eca2e26b849d0ce19bf3d9dcffa4873d2e306ac9b6", kill_on_drop: false }`
[INFO] [stdout] f0648b74af6361cd4538d9eca2e26b849d0ce19bf3d9dcffa4873d2e306ac9b6