[INFO] cloning repository https://github.com/F3kilo/hex_field_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/F3kilo/hex_field_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Fhex_field_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Fhex_field_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db670287c25822c81bc3a0d5674a6292c814229f
[INFO] checking F3kilo/hex_field_playground against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FF3kilo%2Fhex_field_playground" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/F3kilo/hex_field_playground 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/F3kilo/hex_field_playground
[INFO] finished tweaking git repo https://github.com/F3kilo/hex_field_playground
[INFO] tweaked toml for git repo https://github.com/F3kilo/hex_field_playground written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/F3kilo/hex_field_playground 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1d46eec156440b8977c42d0cfcb8f171518f3bec223fd4533489f72fbba6c2b3
[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" "1d46eec156440b8977c42d0cfcb8f171518f3bec223fd4533489f72fbba6c2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d46eec156440b8977c42d0cfcb8f171518f3bec223fd4533489f72fbba6c2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d46eec156440b8977c42d0cfcb8f171518f3bec223fd4533489f72fbba6c2b3", kill_on_drop: false }`
[INFO] [stdout] 1d46eec156440b8977c42d0cfcb8f171518f3bec223fd4533489f72fbba6c2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6bf4609fce5e4543b0487f712bc0780d76adca0a52dc4a3bf289f7eddb7888cd
[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" "6bf4609fce5e4543b0487f712bc0780d76adca0a52dc4a3bf289f7eddb7888cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.8.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking crossbeam v0.2.12
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking settings_path v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking slog-stdlog v3.0.5
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling tinyfiledialogs v3.3.9
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking trackable v0.2.23
[INFO] [stderr]     Checking sloggers v0.3.5
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking winit v0.22.0
[INFO] [stderr]     Checking hex_field_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/counter_model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/counter_model.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[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]   --> src/main.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         panic!(message);
[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] 46 |         panic!("{}", message);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 46 |         std::panic::panic_any(message);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         panic!(message);
[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] 46 |         panic!("{}", message);
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 46 |         std::panic::panic_any(message);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "6bf4609fce5e4543b0487f712bc0780d76adca0a52dc4a3bf289f7eddb7888cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf4609fce5e4543b0487f712bc0780d76adca0a52dc4a3bf289f7eddb7888cd", kill_on_drop: false }`
[INFO] [stdout] 6bf4609fce5e4543b0487f712bc0780d76adca0a52dc4a3bf289f7eddb7888cd