[INFO] fetching crate libcli 0.3.9...
[INFO] checking libcli-0.3.9 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate libcli 0.3.9 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libcli 0.3.9 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-6/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e4abeb7f1b3db9e8b72668ade6ef5d9086fcd092dbeac8ad93c2b93fcd5a4b9
[INFO] running `Command { std: "docker" "start" "-a" "9e4abeb7f1b3db9e8b72668ade6ef5d9086fcd092dbeac8ad93c2b93fcd5a4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e4abeb7f1b3db9e8b72668ade6ef5d9086fcd092dbeac8ad93c2b93fcd5a4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4abeb7f1b3db9e8b72668ade6ef5d9086fcd092dbeac8ad93c2b93fcd5a4b9", kill_on_drop: false }`
[INFO] [stdout] 9e4abeb7f1b3db9e8b72668ade6ef5d9086fcd092dbeac8ad93c2b93fcd5a4b9
[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=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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a71c295fcd0732a647f196489a0121f89ee5552712460db4f615245f5cf045d
[INFO] running `Command { std: "docker" "start" "-a" "7a71c295fcd0732a647f196489a0121f89ee5552712460db4f615245f5cf045d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking 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_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[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 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/nightly/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] 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 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/nightly/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] 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 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/nightly/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] 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 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/nightly/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] 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 dev [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "7a71c295fcd0732a647f196489a0121f89ee5552712460db4f615245f5cf045d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a71c295fcd0732a647f196489a0121f89ee5552712460db4f615245f5cf045d", kill_on_drop: false }`
[INFO] [stdout] 7a71c295fcd0732a647f196489a0121f89ee5552712460db4f615245f5cf045d