[INFO] cloning repository https://github.com/DomiDre/umlaute
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DomiDre/umlaute" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomiDre%2Fumlaute", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomiDre%2Fumlaute'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ba9d3ec3ce1e1b2da3426105eedf8ec30483229
[INFO] checking DomiDre/umlaute against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomiDre%2Fumlaute" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DomiDre/umlaute on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DomiDre/umlaute
[INFO] finished tweaking git repo https://github.com/DomiDre/umlaute
[INFO] tweaked toml for git repo https://github.com/DomiDre/umlaute written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/DomiDre/umlaute already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5afdf29e9320ce126fc9259dfa390cc252a103f031a88a664df0d7795655df3
[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" "f5afdf29e9320ce126fc9259dfa390cc252a103f031a88a664df0d7795655df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5afdf29e9320ce126fc9259dfa390cc252a103f031a88a664df0d7795655df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5afdf29e9320ce126fc9259dfa390cc252a103f031a88a664df0d7795655df3", kill_on_drop: false }`
[INFO] [stdout] f5afdf29e9320ce126fc9259dfa390cc252a103f031a88a664df0d7795655df3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2913da1adbfbc48eb3657e0c5d3b236b4d4dcd543eb2122129b9b9717d9599c9
[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" "2913da1adbfbc48eb3657e0c5d3b236b4d4dcd543eb2122129b9b9717d9599c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.57
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling bumpalo v3.1.1
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.57
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling yew v0.11.0
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling yew-macro v0.11.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.57
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.57
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.57
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking umlaute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "2913da1adbfbc48eb3657e0c5d3b236b4d4dcd543eb2122129b9b9717d9599c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2913da1adbfbc48eb3657e0c5d3b236b4d4dcd543eb2122129b9b9717d9599c9", kill_on_drop: false }`
[INFO] [stdout] 2913da1adbfbc48eb3657e0c5d3b236b4d4dcd543eb2122129b9b9717d9599c9