[INFO] cloning repository https://github.com/fkajzer/ell-sem-18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkajzer/ell-sem-18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkajzer%2Fell-sem-18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkajzer%2Fell-sem-18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da3bdb902ddfc7be3c238f18d6c2b9447b0358c5
[INFO] checking fkajzer/ell-sem-18 against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkajzer%2Fell-sem-18" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkajzer/ell-sem-18 on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fkajzer/ell-sem-18
[INFO] finished tweaking git repo https://github.com/fkajzer/ell-sem-18
[INFO] tweaked toml for git repo https://github.com/fkajzer/ell-sem-18 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fkajzer/ell-sem-18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebc1bb186e4d9c1108cd42ef7a949833cc340e99db600739f3df21df5dfda540
[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" "ebc1bb186e4d9c1108cd42ef7a949833cc340e99db600739f3df21df5dfda540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebc1bb186e4d9c1108cd42ef7a949833cc340e99db600739f3df21df5dfda540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc1bb186e4d9c1108cd42ef7a949833cc340e99db600739f3df21df5dfda540", kill_on_drop: false }`
[INFO] [stdout] ebc1bb186e4d9c1108cd42ef7a949833cc340e99db600739f3df21df5dfda540
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6de45c5e957eb7fc68f712c80a41133fe93be48eaba985ab62de5c9373cdef54
[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" "6de45c5e957eb7fc68f712c80a41133fe93be48eaba985ab62de5c9373cdef54", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.14
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking quick-xml v0.12.4
[INFO] [stderr]     Checking ell-sem-18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.63s
[INFO] running `Command { std: "docker" "inspect" "6de45c5e957eb7fc68f712c80a41133fe93be48eaba985ab62de5c9373cdef54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6de45c5e957eb7fc68f712c80a41133fe93be48eaba985ab62de5c9373cdef54", kill_on_drop: false }`
[INFO] [stdout] 6de45c5e957eb7fc68f712c80a41133fe93be48eaba985ab62de5c9373cdef54