[INFO] fetching crate texting 0.0.2...
[INFO] checking texting-0.0.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate texting 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate texting 0.0.2 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 texting 0.0.2
[INFO] finished tweaking crates.io crate texting 0.0.2
[INFO] tweaked toml for crates.io crate texting 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded veho v0.0.16
[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" "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] 9f92394cc1595eeb81910f53b77bb312913ea605d8bba4abc8319a17d829baa8
[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" "9f92394cc1595eeb81910f53b77bb312913ea605d8bba4abc8319a17d829baa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f92394cc1595eeb81910f53b77bb312913ea605d8bba4abc8319a17d829baa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f92394cc1595eeb81910f53b77bb312913ea605d8bba4abc8319a17d829baa8", kill_on_drop: false }`
[INFO] [stdout] 9f92394cc1595eeb81910f53b77bb312913ea605d8bba4abc8319a17d829baa8
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b4fa6d3a9fb57a79b92864957ecf721c64533a31dd53fc50b4c1651d31f3f0c
[INFO] running `Command { std: "docker" "start" "-a" "2b4fa6d3a9fb57a79b92864957ecf721c64533a31dd53fc50b4c1651d31f3f0c", kill_on_drop: false }`
[INFO] [stderr]     Checking veho v0.0.16
[INFO] [stderr]     Checking texting v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> tests/alpha/last_substring_test.rs:8:1
[INFO] [stdout]    |
[INFO] [stdout] 8  | / macro_rules! sub {
[INFO] [stdout] 9  | |     ($text:expr, $lo:expr) => {
[INFO] [stdout] 10 | |        return if $lo >= 0 {
[INFO] [stdout] 11 | |             &$text[($lo as usize)..]
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     };
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "2b4fa6d3a9fb57a79b92864957ecf721c64533a31dd53fc50b4c1651d31f3f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4fa6d3a9fb57a79b92864957ecf721c64533a31dd53fc50b4c1651d31f3f0c", kill_on_drop: false }`
[INFO] [stdout] 2b4fa6d3a9fb57a79b92864957ecf721c64533a31dd53fc50b4c1651d31f3f0c