[INFO] cloning repository https://github.com/ruckc/mcr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ruckc/mcr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmcr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmcr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc0734752846b14b3828d56403c693cc03db35da
[INFO] checking ruckc/mcr against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fruckc%2Fmcr" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ruckc/mcr on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ruckc/mcr
[INFO] finished tweaking git repo https://github.com/ruckc/mcr
[INFO] tweaked toml for git repo https://github.com/ruckc/mcr written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ruckc/mcr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eeb685a1c58c4db32844acefb158fff6e544f29db178684ed3973450d99cd18
[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" "9eeb685a1c58c4db32844acefb158fff6e544f29db178684ed3973450d99cd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eeb685a1c58c4db32844acefb158fff6e544f29db178684ed3973450d99cd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eeb685a1c58c4db32844acefb158fff6e544f29db178684ed3973450d99cd18", kill_on_drop: false }`
[INFO] [stdout] 9eeb685a1c58c4db32844acefb158fff6e544f29db178684ed3973450d99cd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f1376f3a789c21196429c83d59d363ce8a9cd9fd0d4bf64ca9a5d2485caef09
[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" "5f1376f3a789c21196429c83d59d363ce8a9cd9fd0d4bf64ca9a5d2485caef09", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hexdump v0.1.0
[INFO] [stderr]     Checking syslog v4.0.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking clokwerk v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking mcr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/config.rs:18:80
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .about("Sets up multicast routing for pure IGMP (Layer 2) management.")
[INFO] [stdout]    |                                                                                ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let config_ini = ini::Ini::load_from_file(configfile.expect("No configuration file specified")).unwrap()    ;
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `let`
[INFO] [stdout]   --> src/config.rs:18:80
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .about("Sets up multicast routing for pure IGMP (Layer 2) management.")
[INFO] [stdout]    |                                                                                ^ help: add `;` here
[INFO] [stdout] ...
[INFO] [stdout] 21 |     let config_ini = ini::Ini::load_from_file(configfile.expect("No configuration file specified")).unwrap()    ;
[INFO] [stdout]    |     --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcr`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5f1376f3a789c21196429c83d59d363ce8a9cd9fd0d4bf64ca9a5d2485caef09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1376f3a789c21196429c83d59d363ce8a9cd9fd0d4bf64ca9a5d2485caef09", kill_on_drop: false }`
[INFO] [stdout] 5f1376f3a789c21196429c83d59d363ce8a9cd9fd0d4bf64ca9a5d2485caef09