[INFO] fetching crate libcli 0.3.9...
[INFO] testing libcli-0.3.9 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate libcli 0.3.9 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libcli 0.3.9
[INFO] finished tweaking crates.io crate libcli 0.3.9
[INFO] tweaked toml for crates.io crate libcli 0.3.9 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libcli 0.3.9 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libcli 0.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 345c4a7dec3b06cde3c92c2e654d52e4623a40f4fa63e0548dcfefe8b486dc9b
[INFO] running `Command { std: "docker" "start" "-a" "345c4a7dec3b06cde3c92c2e654d52e4623a40f4fa63e0548dcfefe8b486dc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "345c4a7dec3b06cde3c92c2e654d52e4623a40f4fa63e0548dcfefe8b486dc9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "345c4a7dec3b06cde3c92c2e654d52e4623a40f4fa63e0548dcfefe8b486dc9b", kill_on_drop: false }`
[INFO] [stdout] 345c4a7dec3b06cde3c92c2e654d52e4623a40f4fa63e0548dcfefe8b486dc9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d236b30a3de48d3c0db2fc66c4c5a83bc374485db4b95850a2dda8106bceee
[INFO] running `Command { std: "docker" "start" "-a" "a4d236b30a3de48d3c0db2fc66c4c5a83bc374485db4b95850a2dda8106bceee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcli v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "a4d236b30a3de48d3c0db2fc66c4c5a83bc374485db4b95850a2dda8106bceee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d236b30a3de48d3c0db2fc66c4c5a83bc374485db4b95850a2dda8106bceee", kill_on_drop: false }`
[INFO] [stdout] a4d236b30a3de48d3c0db2fc66c4c5a83bc374485db4b95850a2dda8106bceee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02c52433f0fba6cbb22935675c718ca1c7a119a3fdc3b6c5913d6b7076034da4
[INFO] running `Command { std: "docker" "start" "-a" "02c52433f0fba6cbb22935675c718ca1c7a119a3fdc3b6c5913d6b7076034da4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcli v0.3.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/argument_parsing.rs:60:87
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]    |                                                                                       +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/argument_parsing.rs:91:74
[INFO] [stdout]    |
[INFO] [stdout] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]    |                                                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/argument_parsing.rs:106:74
[INFO] [stdout]     |
[INFO] [stdout] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]     |                                                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/argument_parsing.rs:130:74
[INFO] [stdout]     |
[INFO] [stdout] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]     |                                                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/argument_parsing.rs:160:74
[INFO] [stdout]     |
[INFO] [stdout] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout]     |                                                                          +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "02c52433f0fba6cbb22935675c718ca1c7a119a3fdc3b6c5913d6b7076034da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c52433f0fba6cbb22935675c718ca1c7a119a3fdc3b6c5913d6b7076034da4", kill_on_drop: false }`
[INFO] [stdout] 02c52433f0fba6cbb22935675c718ca1c7a119a3fdc3b6c5913d6b7076034da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e65a840ce050b5def11625f4c15b5fb6269298285a0acb64bac3f807569c3093
[INFO] running `Command { std: "docker" "start" "-a" "e65a840ce050b5def11625f4c15b5fb6269298285a0acb64bac3f807569c3093", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/argument_parsing.rs:60:87
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]    |                                                                                       +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> tests/argument_parsing.rs:91:74
[INFO] [stderr]    |
[INFO] [stderr] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]    |
[INFO] [stderr] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]    |                                                                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/argument_parsing.rs:106:74
[INFO] [stderr]     |
[INFO] [stderr] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stdout] 
[INFO] [stderr]     |                                                                          +++++
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stdout] 
[INFO] [stderr]    --> tests/argument_parsing.rs:130:74
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout] running 5 tests
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]     |                                                                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/argument_parsing.rs:160:74
[INFO] [stderr]     |
[INFO] [stderr] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[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/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr] help: add a "{}" format string to `Display` the message
[INFO] [stderr]     |
[INFO] [stderr] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]     |                                                                          +++++
[INFO] [stderr] 
[INFO] [stderr] warning: `libcli` (test "argument_parsing") generated 5 warnings (run `cargo fix --test "argument_parsing" -p libcli` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libcli-dc3f8c9fd8a8f44f)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/libcli-84eed4bf221d95c2)
[INFO] [stderr]      Running tests/argument_parsing.rs (/opt/rustwide/target/debug/deps/argument_parsing-662fbb109d09cdd2)
[INFO] [stdout] test tests::parse_0 ... ok
[INFO] [stdout] test tests::parse_dup_switch ... ok
[INFO] [stderr]    Doc-tests libcli
[INFO] [stdout] test tests::parse_dup - should panic ... ok
[INFO] [stdout] test tests::parse_too_few - should panic ... ok
[INFO] [stdout] test tests::parse_too_many - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/args.rs - args::OptionSpec (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e65a840ce050b5def11625f4c15b5fb6269298285a0acb64bac3f807569c3093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65a840ce050b5def11625f4c15b5fb6269298285a0acb64bac3f807569c3093", kill_on_drop: false }`
[INFO] [stdout] e65a840ce050b5def11625f4c15b5fb6269298285a0acb64bac3f807569c3093