[INFO] fetching crate libcli 0.3.9...
[INFO] testing libcli-0.3.9 against 1.54.0 for beta-1.55-1
[INFO] extracting crate libcli 0.3.9 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate libcli 0.3.9 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-77/source/Cargo.toml
[INFO] crate crates.io crate libcli 0.3.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc017cf0efc2eee10686a64339fc9ad46a7dfce8fbbdd0e3981cfff6f2bac428
[INFO] running `Command { std: "docker" "start" "-a" "fc017cf0efc2eee10686a64339fc9ad46a7dfce8fbbdd0e3981cfff6f2bac428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc017cf0efc2eee10686a64339fc9ad46a7dfce8fbbdd0e3981cfff6f2bac428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc017cf0efc2eee10686a64339fc9ad46a7dfce8fbbdd0e3981cfff6f2bac428", kill_on_drop: false }`
[INFO] [stdout] fc017cf0efc2eee10686a64339fc9ad46a7dfce8fbbdd0e3981cfff6f2bac428
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e479daa852755ce460af2df51c9dc2d01fd73f6077f1d4f1507f2877c32b1ec4
[INFO] running `Command { std: "docker" "start" "-a" "e479daa852755ce460af2df51c9dc2d01fd73f6077f1d4f1507f2877c32b1ec4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcli v0.3.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "e479daa852755ce460af2df51c9dc2d01fd73f6077f1d4f1507f2877c32b1ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e479daa852755ce460af2df51c9dc2d01fd73f6077f1d4f1507f2877c32b1ec4", kill_on_drop: false }`
[INFO] [stdout] e479daa852755ce460af2df51c9dc2d01fd73f6077f1d4f1507f2877c32b1ec4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e662d716a8bae60ed6fcc462722019ca76f0372ed0b3db46b3c2d32d0145d4d
[INFO] running `Command { std: "docker" "start" "-a" "6e662d716a8bae60ed6fcc462722019ca76f0372ed0b3db46b3c2d32d0145d4d", 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: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(err));
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "6e662d716a8bae60ed6fcc462722019ca76f0372ed0b3db46b3c2d32d0145d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e662d716a8bae60ed6fcc462722019ca76f0372ed0b3db46b3c2d32d0145d4d", kill_on_drop: false }`
[INFO] [stdout] 6e662d716a8bae60ed6fcc462722019ca76f0372ed0b3db46b3c2d32d0145d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e84ed1a72031260ab0fb24dee45cc3e87275c8fb128110358c7d8e11801ed65
[INFO] running `Command { std: "docker" "start" "-a" "4e84ed1a72031260ab0fb24dee45cc3e87275c8fb128110358c7d8e11801ed65", 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: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 60 |         let config = args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 91 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!("{}", err));
[INFO] [stderr]     |                                                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 106 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(err));
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> tests/argument_parsing.rs:130:74
[INFO] [stderr]     |
[INFO] [stderr] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| panic!(err));
[INFO] [stderr]     |                                                                          ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 130 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(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 is no longer accepted in Rust 2021
[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] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 160 |         args::Config::new(&args[..], &specs).unwrap_or_else(|err| std::panic::panic_any(err));
[INFO] [stderr]     |                                                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcli-20f3acb5b5da4fb2)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libcli-707a9b7552745677)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/argument_parsing.rs (/opt/rustwide/target/debug/deps/argument_parsing-30e10b3feb72f202)
[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] [stdout] 
[INFO] [stdout] running 5 tests
[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 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e84ed1a72031260ab0fb24dee45cc3e87275c8fb128110358c7d8e11801ed65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e84ed1a72031260ab0fb24dee45cc3e87275c8fb128110358c7d8e11801ed65", kill_on_drop: false }`
[INFO] [stdout] 4e84ed1a72031260ab0fb24dee45cc3e87275c8fb128110358c7d8e11801ed65
