[INFO] cloning repository https://github.com/nyarly/quickfixable-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nyarly/quickfixable-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyarly%2Fquickfixable-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyarly%2Fquickfixable-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2002d7f1fc6efe59ebb01fed3ab0bc3694cc5cb
[INFO] checking nyarly/quickfixable-rs against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnyarly%2Fquickfixable-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nyarly/quickfixable-rs on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nyarly/quickfixable-rs
[INFO] finished tweaking git repo https://github.com/nyarly/quickfixable-rs
[INFO] tweaked toml for git repo https://github.com/nyarly/quickfixable-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nyarly/quickfixable-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.6
[INFO] [stderr]   Downloaded cc v1.0.14
[INFO] [stderr]   Downloaded nom v4.0.0-beta3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c1319fea5b2ca9709f3bc475011c1e8a9e94f08b7563e359d03b6b2b5ddab3d
[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" "7c1319fea5b2ca9709f3bc475011c1e8a9e94f08b7563e359d03b6b2b5ddab3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c1319fea5b2ca9709f3bc475011c1e8a9e94f08b7563e359d03b6b2b5ddab3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c1319fea5b2ca9709f3bc475011c1e8a9e94f08b7563e359d03b6b2b5ddab3d", kill_on_drop: false }`
[INFO] [stdout] 7c1319fea5b2ca9709f3bc475011c1e8a9e94f08b7563e359d03b6b2b5ddab3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9d2ba5b1d62d430eecaabbc829fa347b40f6e987c402c412027a1f5d6966377
[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" "d9d2ba5b1d62d430eecaabbc829fa347b40f6e987c402c412027a1f5d6966377", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.14
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking quickfixable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking nom v4.0.0-beta3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking backtrace v0.3.6
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking quickfix v0.1.0 (/opt/rustwide/workdir/quickfix)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]    --> quickfix/src/parse.rs:126:13
[INFO] [stdout]     |
[INFO] [stdout] 126 |         use std::string::String;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> quickfix/src/parse.rs:130:24
[INFO] [stdout]     |
[INFO] [stdout] 130 |                   panic!(format!(
[INFO] [stdout]     |  ________________________^
[INFO] [stdout] 131 | |                     "Error {:?}:'{}'",
[INFO] [stdout] 132 | |                     err,
[INFO] [stdout] 133 | |                     String::from_utf8_lossy(code)
[INFO] [stdout] 134 | |                 ));
[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]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 130 |                 panic!(
[INFO] [stdout] 131 |                     "Error {:?}:'{}'",
[INFO] [stdout] 132 |                     err,
[INFO] [stdout] 133 |                     String::from_utf8_lossy(code)
[INFO] [stdout] 134 |                 );
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> quickfix/src/parse.rs:136:48
[INFO] [stdout]     |
[INFO] [stdout] 136 |             Err(Incomplete(Size(n))) => panic!(format!("Incomplete: needs {} more bytes.", n)),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 136 |             Err(Incomplete(Size(n))) => panic!("Incomplete: needs {} more bytes.", n),
[INFO] [stdout]     |                                               --                                   --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> quickfix/src/parse.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |             _ => panic!(format!("{:?}", res)),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 137 |             _ => panic!("{:?}", res),
[INFO] [stdout]     |                        --         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.08s
[INFO] running `Command { std: "docker" "inspect" "d9d2ba5b1d62d430eecaabbc829fa347b40f6e987c402c412027a1f5d6966377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9d2ba5b1d62d430eecaabbc829fa347b40f6e987c402c412027a1f5d6966377", kill_on_drop: false }`
[INFO] [stdout] d9d2ba5b1d62d430eecaabbc829fa347b40f6e987c402c412027a1f5d6966377