[INFO] fetching crate hex-rgb 0.1.1...
[INFO] checking hex-rgb-0.1.1 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate hex-rgb 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hex-rgb 0.1.1 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hex-rgb 0.1.1
[INFO] finished tweaking crates.io crate hex-rgb 0.1.1
[INFO] tweaked toml for crates.io crate hex-rgb 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hex-rgb 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.28.2
[INFO] [stderr]   Downloaded wayland-scanner v0.28.2
[INFO] [stderr]   Downloaded wayland-sys v0.28.2
[INFO] [stderr]   Downloaded wayland-cursor v0.28.2
[INFO] [stderr]   Downloaded libloading v0.6.5
[INFO] [stderr]   Downloaded x11-clipboard v0.5.1
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
[INFO] [stderr]   Downloaded xcursor v0.3.3
[INFO] [stderr]   Downloaded dlib v0.4.2
[INFO] [stderr]   Downloaded copypasta v0.7.1
[INFO] [stderr]   Downloaded smallvec v1.5.0
[INFO] [stderr]   Downloaded xcb v0.9.0
[INFO] [stderr]   Downloaded wayland-client v0.28.2
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.12.0
[INFO] [stderr]   Downloaded wayland-protocols v0.28.2
[INFO] [stderr]   Downloaded owo-colors v1.1.3
[INFO] [stderr]   Downloaded smithay-clipboard v0.6.1
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c47d13abbd699f80cde12307e4499dea8308ce8450f62a4ebbccc514539b8469
[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" "c47d13abbd699f80cde12307e4499dea8308ce8450f62a4ebbccc514539b8469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c47d13abbd699f80cde12307e4499dea8308ce8450f62a4ebbccc514539b8469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47d13abbd699f80cde12307e4499dea8308ce8450f62a4ebbccc514539b8469", kill_on_drop: false }`
[INFO] [stdout] c47d13abbd699f80cde12307e4499dea8308ce8450f62a4ebbccc514539b8469
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cab611b279ffc42a12409a4caad68bdef01f3ecf76054a52ecba3b50afb209d
[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" "5cab611b279ffc42a12409a4caad68bdef01f3ecf76054a52ecba3b50afb209d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking owo-colors v1.1.3
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]     Checking wayland-commons v0.28.2
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking wayland-cursor v0.28.2
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking x11-clipboard v0.5.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.0
[INFO] [stderr]     Checking smithay-clipboard v0.6.1
[INFO] [stderr]     Checking copypasta v0.7.1
[INFO] [stderr]     Checking hex-rgb v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:166:51
[INFO] [stdout]     |
[INFO] [stdout] 166 |         assert!(vec_compare(&expected, &decoded), true);
[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] 166 |         assert!(vec_compare(&expected, &decoded), "{}", true);
[INFO] [stdout]     |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.43s
[INFO] running `Command { std: "docker" "inspect" "5cab611b279ffc42a12409a4caad68bdef01f3ecf76054a52ecba3b50afb209d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cab611b279ffc42a12409a4caad68bdef01f3ecf76054a52ecba3b50afb209d", kill_on_drop: false }`
[INFO] [stdout] 5cab611b279ffc42a12409a4caad68bdef01f3ecf76054a52ecba3b50afb209d