[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#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDomiDre%2Fumlaute" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DomiDre/umlaute on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-8/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" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0963de0f7f816e7f74ed09bf2186123e304b6ae9593ccd3a224ae160f5dcc07
[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" "d0963de0f7f816e7f74ed09bf2186123e304b6ae9593ccd3a224ae160f5dcc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0963de0f7f816e7f74ed09bf2186123e304b6ae9593ccd3a224ae160f5dcc07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0963de0f7f816e7f74ed09bf2186123e304b6ae9593ccd3a224ae160f5dcc07", kill_on_drop: false }`
[INFO] [stdout] d0963de0f7f816e7f74ed09bf2186123e304b6ae9593ccd3a224ae160f5dcc07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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] c00fb4279945928580cb3c63b452b0a3d3a5637f5413275911fe67bb926b5c7d
[INFO] running `Command { std: "docker" "start" "-a" "c00fb4279945928580cb3c63b452b0a3d3a5637f5413275911fe67bb926b5c7d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.57
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling bumpalo v3.1.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling wasm-bindgen v0.2.57
[INFO] [stderr]    Compiling yew v0.11.0
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling yew-macro v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.57
[INFO] [stderr]    Compiling synstructure v0.12.3
[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 wasm-bindgen-macro v0.2.57
[INFO] [stderr]     Checking failure v0.1.6
[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 1m 43s
[INFO] running `Command { std: "docker" "inspect" "c00fb4279945928580cb3c63b452b0a3d3a5637f5413275911fe67bb926b5c7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c00fb4279945928580cb3c63b452b0a3d3a5637f5413275911fe67bb926b5c7d", kill_on_drop: false }`
[INFO] [stdout] c00fb4279945928580cb3c63b452b0a3d3a5637f5413275911fe67bb926b5c7d