[INFO] cloning repository https://github.com/timrterrible/scoria
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timrterrible/scoria" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimrterrible%2Fscoria", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimrterrible%2Fscoria'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee164de8adef021bcc68bf683f6d7f098423e769
[INFO] checking timrterrible/scoria against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimrterrible%2Fscoria" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timrterrible/scoria on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/timrterrible/scoria
[INFO] finished tweaking git repo https://github.com/timrterrible/scoria
[INFO] tweaked toml for git repo https://github.com/timrterrible/scoria written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/timrterrible/scoria already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f2616f00eaa36bb296f9dd24e960562bb75169b3e04ff48a07c00441cbe42af
[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" "5f2616f00eaa36bb296f9dd24e960562bb75169b3e04ff48a07c00441cbe42af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f2616f00eaa36bb296f9dd24e960562bb75169b3e04ff48a07c00441cbe42af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2616f00eaa36bb296f9dd24e960562bb75169b3e04ff48a07c00441cbe42af", kill_on_drop: false }`
[INFO] [stdout] 5f2616f00eaa36bb296f9dd24e960562bb75169b3e04ff48a07c00441cbe42af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "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] 6385bc64b62a1e804b36be9172998bd4660036aefb316452f097e5e11d8ebb3e
[INFO] running `Command { std: "docker" "start" "-a" "6385bc64b62a1e804b36be9172998bd4660036aefb316452f097e5e11d8ebb3e", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking markov v1.0.2
[INFO] [stderr]     Checking scoria v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.77s
[INFO] running `Command { std: "docker" "inspect" "6385bc64b62a1e804b36be9172998bd4660036aefb316452f097e5e11d8ebb3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6385bc64b62a1e804b36be9172998bd4660036aefb316452f097e5e11d8ebb3e", kill_on_drop: false }`
[INFO] [stdout] 6385bc64b62a1e804b36be9172998bd4660036aefb316452f097e5e11d8ebb3e