[INFO] cloning repository https://github.com/scrooloose/yukondoit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scrooloose/yukondoit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrooloose%2Fyukondoit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrooloose%2Fyukondoit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c293fe548acbe9c7fd14b8f5478d855f502a29bd
[INFO] testing scrooloose/yukondoit against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscrooloose%2Fyukondoit" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scrooloose/yukondoit on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scrooloose/yukondoit
[INFO] finished tweaking git repo https://github.com/scrooloose/yukondoit
[INFO] tweaked toml for git repo https://github.com/scrooloose/yukondoit written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/scrooloose/yukondoit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6be8ae8c04217ed69114d0187069e2648cdbc507ca05b24c6b379c2f3073a8f8
[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" "6be8ae8c04217ed69114d0187069e2648cdbc507ca05b24c6b379c2f3073a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6be8ae8c04217ed69114d0187069e2648cdbc507ca05b24c6b379c2f3073a8f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be8ae8c04217ed69114d0187069e2648cdbc507ca05b24c6b379c2f3073a8f8", kill_on_drop: false }`
[INFO] [stdout] 6be8ae8c04217ed69114d0187069e2648cdbc507ca05b24c6b379c2f3073a8f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b47d8c959827d21d4a9ff0fd9fe4f44881dcb3aa679f6a990fd8afb420d07a33
[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" "b47d8c959827d21d4a9ff0fd9fe4f44881dcb3aa679f6a990fd8afb420d07a33", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling either v1.0.3
[INFO] [stderr]    Compiling unicode_names v0.1.7 (https://github.com/antifuchs/unicode_names?branch=fix-for-rust-1-10#65bde797)
[INFO] [stdout] error: unexpected token: `...`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/unicode_names-f870144857f19535/65bde79/src/lib.rs:550:32
[INFO] [stdout]     |
[INFO] [stdout] 550 |             for x in lo as u32 ... hi as u32 {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `..` for an exclusive range
[INFO] [stdout]     |
[INFO] [stdout] 550 |             for x in lo as u32 .. hi as u32 {
[INFO] [stdout]     |                                ^^
[INFO] [stdout] help: or `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout] 550 |             for x in lo as u32 ..= hi as u32 {
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling colored v1.4.1
[INFO] [stderr]    Compiling itertools v0.5.9
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode_names`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b47d8c959827d21d4a9ff0fd9fe4f44881dcb3aa679f6a990fd8afb420d07a33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b47d8c959827d21d4a9ff0fd9fe4f44881dcb3aa679f6a990fd8afb420d07a33", kill_on_drop: false }`
[INFO] [stdout] b47d8c959827d21d4a9ff0fd9fe4f44881dcb3aa679f6a990fd8afb420d07a33